Merge branch 'master' into wip/gsettings

Conflicts:
	mail/e-mail-paned-view.c

64 files changed, 2125 insertions, 1872 deletions

diff --git a/configure.ac b/configure.ac
index 96c3242cdf..465e496028 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1680,6 +1680,7 @@ modules/mail/Makefile
 modules/composer-autosave/Makefile
 modules/connman/Makefile
 modules/mailto-handler/Makefile
+modules/mdn/Makefile
 modules/network-manager/Makefile
 modules/online-accounts/Makefile
 modules/offline-alert/Makefile
diff --git a/e-util/e-alert.c b/e-util/e-alert.c
index 88dbb7189d..d4a7a9ea13 100644
--- a/e-util/e-alert.c
+++ b/e-util/e-alert.c
@@ -909,18 +909,6 @@ e_alert_peek_actions (EAlert *alert)
 {
 	g_return_val_if_fail (E_IS_ALERT (alert), NULL);
 
-	/* Make sure we have at least one action.  Do this on-demand
-	 * in case the XML definition did not specify any actions but
-	 * other actions were added via e_alert_add_action(). */
-	if (g_queue_is_empty (&alert->priv->actions)) {
-		GtkAction *action;
-
-		action = gtk_action_new (
-			"alert-response-0", _("_Dismiss"), NULL, NULL);
-		e_alert_add_action (alert, action, GTK_RESPONSE_CLOSE);
-		g_object_unref (action);
-	}
-
 	return g_queue_peek_head_link (&alert->priv->actions);
 }
 
diff --git a/e-util/e-marshal.list b/e-util/e-marshal.list
index c42078b2df..884886c83f 100644
--- a/e-util/e-marshal.list
+++ b/e-util/e-marshal.list
@@ -54,6 +54,7 @@ NONE:POINTER,POINTER,INT
 NONE:STRING,DOUBLE
 NONE:STRING,INT
 NONE:STRING,INT,INT
+NONE:STRING,OBJECT
 NONE:STRING,POINTER,POINTER
 NONE:STRING,STRING
 NONE:UINT,STRING
diff --git a/mail/Makefile.am b/mail/Makefile.am
index 0a14a19ee9..0859c55c06 100644
--- a/mail/Makefile.am
+++ b/mail/Makefile.am
@@ -46,17 +46,13 @@ libevolution_mail_la_CPPFLAGS =				\
 
 mailinclude_HEADERS =					\
 	e-mail.h					\
-	e-mail-view.h					\
-	e-mail-folder-pane.h				\
-	e-mail-message-pane.h				\
-	e-mail-paned-view.h				\
-	e-mail-notebook-view.h				\
 	e-mail-attachment-bar.h				\
 	e-mail-backend.h				\
 	e-mail-browser.h				\
 	e-mail-display.h				\
 	e-mail-enums.h					\
 	e-mail-enumtypes.h				\
+	e-mail-folder-pane.h				\
 	e-mail-folder-utils.h				\
 	e-mail-junk-filter.h				\
 	e-mail-junk-options.h				\
@@ -66,15 +62,19 @@ mailinclude_HEADERS =					\
 	e-mail-label-manager.h				\
 	e-mail-label-tree-view.h			\
 	e-mail-local.h					\
+	e-mail-message-pane.h				\
 	e-mail-migrate.h				\
-	e-mail-reader.h					\
+	e-mail-notebook-view.h				\
+	e-mail-paned-view.h				\
 	e-mail-reader-utils.h				\
-	e-mail-session.h				\
+	e-mail-reader.h					\
 	e-mail-session-utils.h				\
+	e-mail-session.h				\
 	e-mail-sidebar.h				\
-	e-mail-store.h					\
 	e-mail-store-utils.h				\
+	e-mail-store.h					\
 	e-mail-tag-editor.h				\
+	e-mail-view.h					\
 	em-account-editor.h				\
 	em-composer-utils.h				\
 	em-config.h					\
@@ -85,15 +85,15 @@ mailinclude_HEADERS =					\
 	em-filter-rule.h				\
 	em-filter-source-element.h			\
 	em-folder-properties.h				\
-	em-folder-selector.h				\
 	em-folder-selection-button.h			\
-	em-folder-tree.h				\
+	em-folder-selector.h				\
 	em-folder-tree-model.h				\
+	em-folder-tree.h				\
 	em-folder-utils.h				\
 	em-format-hook.h				\
-	em-format-html.h				\
 	em-format-html-display.h			\
 	em-format-html-print.h				\
+	em-format-html.h				\
 	em-html-stream.h				\
 	em-search-context.h				\
 	em-subscription-editor.h			\
@@ -121,16 +121,12 @@ mailinclude_HEADERS +=					\
 endif
 
 libevolution_mail_la_SOURCES =				\
-	e-mail-view.c					\
-	e-mail-folder-pane.c				\
-	e-mail-message-pane.c				\
-	e-mail-paned-view.c				\
-	e-mail-notebook-view.c				\
 	e-mail-attachment-bar.c				\
 	e-mail-backend.c				\
 	e-mail-browser.c				\
 	e-mail-display.c				\
 	e-mail-enumtypes.c				\
+	e-mail-folder-pane.c				\
 	e-mail-folder-utils.c				\
 	e-mail-junk-filter.c				\
 	e-mail-junk-options.c				\
@@ -140,15 +136,19 @@ libevolution_mail_la_SOURCES =				\
 	e-mail-label-manager.c				\
 	e-mail-label-tree-view.c			\
 	e-mail-local.c					\
+	e-mail-message-pane.c				\
 	e-mail-migrate.c				\
-	e-mail-reader.c					\
+	e-mail-notebook-view.c				\
+	e-mail-paned-view.c				\
 	e-mail-reader-utils.c				\
-	e-mail-session.c				\
+	e-mail-reader.c					\
 	e-mail-session-utils.c				\
+	e-mail-session.c				\
 	e-mail-sidebar.c				\
-	e-mail-store.c					\
 	e-mail-store-utils.c				\
+	e-mail-store.c					\
 	e-mail-tag-editor.c				\
+	e-mail-view.c					\
 	em-account-editor.c				\
 	em-composer-utils.c				\
 	em-config.c					\
@@ -159,15 +159,15 @@ libevolution_mail_la_SOURCES =				\
 	em-filter-rule.c				\
 	em-filter-source-element.c			\
 	em-folder-properties.c				\
-	em-folder-selector.c				\
 	em-folder-selection-button.c			\
-	em-folder-tree.c				\
+	em-folder-selector.c				\
 	em-folder-tree-model.c				\
+	em-folder-tree.c				\
 	em-folder-utils.c				\
 	em-format-hook.c				\
-	em-format-html.c				\
 	em-format-html-display.c			\
 	em-format-html-print.c				\
+	em-format-html.c				\
 	em-html-stream.c				\
 	em-search-context.c				\
 	em-subscription-editor.c			\
diff --git a/mail/e-mail-attachment-bar.c b/mail/e-mail-attachment-bar.c
index c07d0e8707..a33f8c98b8 100644
--- a/mail/e-mail-attachment-bar.c
+++ b/mail/e-mail-attachment-bar.c
@@ -31,6 +31,10 @@
 #include "e-attachment-icon-view.h"
 #include "e-attachment-tree-view.h"
 
+#define E_MAIL_ATTACHMENT_BAR_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_MAIL_ATTACHMENT_BAR, EMailAttachmentBarPrivate))
+
 #define NUM_VIEWS 2
 
 struct _EMailAttachmentBarPrivate {
@@ -59,7 +63,17 @@ enum {
 	PROP_EXPANDED
 };
 
-static gpointer parent_class;
+/* Forward Declarations */
+static void	e_mail_attachment_bar_interface_init
+				(EAttachmentViewInterface *interface);
+
+G_DEFINE_TYPE_WITH_CODE (
+	EMailAttachmentBar,
+	e_mail_attachment_bar,
+	GTK_TYPE_VBOX,
+	G_IMPLEMENT_INTERFACE (
+		E_TYPE_ATTACHMENT_VIEW,
+		e_mail_attachment_bar_interface_init))
 
 static void
 mail_attachment_bar_update_status (EMailAttachmentBar *bar)
@@ -184,10 +198,11 @@ mail_attachment_bar_dispose (GObject *object)
 {
 	EMailAttachmentBarPrivate *priv;
 
-	priv = E_MAIL_ATTACHMENT_BAR (object)->priv;
+	priv = E_MAIL_ATTACHMENT_BAR_GET_PRIVATE (object);
 
 	if (priv->model != NULL) {
-		e_attachment_store_remove_all (E_ATTACHMENT_STORE (priv->model));
+		e_attachment_store_remove_all (
+			E_ATTACHMENT_STORE (priv->model));
 		g_object_unref (priv->model);
 		priv->model = NULL;
 	}
@@ -248,7 +263,7 @@ mail_attachment_bar_dispose (GObject *object)
 	}
 
 	/* Chain up to parent's dispose() method. */
-	G_OBJECT_CLASS (parent_class)->dispose (object);
+	G_OBJECT_CLASS (e_mail_attachment_bar_parent_class)->dispose (object);
 }
 
 static void
@@ -257,7 +272,7 @@ mail_attachment_bar_constructed (GObject *object)
 	EMailAttachmentBarPrivate *priv;
 	GSettings *settings;
 
-	priv = E_MAIL_ATTACHMENT_BAR (object)->priv;
+	priv = E_MAIL_ATTACHMENT_BAR_GET_PRIVATE (object);
 
 	/* Set up property-to-property bindings. */
 
@@ -315,16 +330,16 @@ mail_attachment_bar_constructed (GObject *object)
 	g_object_unref (settings);
 
 	/* Chain up to parent's constructed() method. */
-	G_OBJECT_CLASS (parent_class)->constructed (object);
+	G_OBJECT_CLASS (e_mail_attachment_bar_parent_class)->constructed (object);
 }
 
 static EAttachmentViewPrivate *
 mail_attachment_bar_get_private (EAttachmentView *view)
 {
-	EMailAttachmentBarPrivate *priv;
+	EMailAttachmentBar *bar;
 
-	priv = E_MAIL_ATTACHMENT_BAR (view)->priv;
-	view = E_ATTACHMENT_VIEW (priv->icon_view);
+	bar = E_MAIL_ATTACHMENT_BAR (view);
+	view = E_ATTACHMENT_VIEW (bar->priv->icon_view);
 
 	return e_attachment_view_get_private (view);
 }
@@ -332,10 +347,10 @@ mail_attachment_bar_get_private (EAttachmentView *view)
 static EAttachmentStore *
 mail_attachment_bar_get_store (EAttachmentView *view)
 {
-	EMailAttachmentBarPrivate *priv;
+	EMailAttachmentBar *bar;
 
-	priv = E_MAIL_ATTACHMENT_BAR (view)->priv;
-	view = E_ATTACHMENT_VIEW (priv->icon_view);
+	bar = E_MAIL_ATTACHMENT_BAR (view);
+	view = E_ATTACHMENT_VIEW (bar->priv->icon_view);
 
 	return e_attachment_view_get_store (view);
 }
@@ -345,10 +360,10 @@ mail_attachment_bar_get_path_at_pos (EAttachmentView *view,
                                      gint x,
                                      gint y)
 {
-	EMailAttachmentBarPrivate *priv;
+	EMailAttachmentBar *bar;
 
-	priv = E_MAIL_ATTACHMENT_BAR (view)->priv;
-	view = E_ATTACHMENT_VIEW (priv->icon_view);
+	bar = E_MAIL_ATTACHMENT_BAR (view);
+	view = E_ATTACHMENT_VIEW (bar->priv->icon_view);
 
 	return e_attachment_view_get_path_at_pos (view, x, y);
 }
@@ -356,10 +371,10 @@ mail_attachment_bar_get_path_at_pos (EAttachmentView *view,
 static GList *
 mail_attachment_bar_get_selected_paths (EAttachmentView *view)
 {
-	EMailAttachmentBarPrivate *priv;
+	EMailAttachmentBar *bar;
 
-	priv = E_MAIL_ATTACHMENT_BAR (view)->priv;
-	view = E_ATTACHMENT_VIEW (priv->icon_view);
+	bar = E_MAIL_ATTACHMENT_BAR (view);
+	view = E_ATTACHMENT_VIEW (bar->priv->icon_view);
 
 	return e_attachment_view_get_selected_paths (view);
 }
@@ -368,10 +383,10 @@ static gboolean
 mail_attachment_bar_path_is_selected (EAttachmentView *view,
                                       GtkTreePath *path)
 {
-	EMailAttachmentBarPrivate *priv;
+	EMailAttachmentBar *bar;
 
-	priv = E_MAIL_ATTACHMENT_BAR (view)->priv;
-	view = E_ATTACHMENT_VIEW (priv->icon_view);
+	bar = E_MAIL_ATTACHMENT_BAR (view);
+	view = E_ATTACHMENT_VIEW (bar->priv->icon_view);
 
 	return e_attachment_view_path_is_selected (view, path);
 }
@@ -380,10 +395,10 @@ static void
 mail_attachment_bar_select_path (EAttachmentView *view,
                                  GtkTreePath *path)
 {
-	EMailAttachmentBarPrivate *priv;
+	EMailAttachmentBar *bar;
 
-	priv = E_MAIL_ATTACHMENT_BAR (view)->priv;
-	view = E_ATTACHMENT_VIEW (priv->icon_view);
+	bar = E_MAIL_ATTACHMENT_BAR (view);
+	view = E_ATTACHMENT_VIEW (bar->priv->icon_view);
 
 	e_attachment_view_select_path (view, path);
 }
@@ -392,10 +407,10 @@ static void
 mail_attachment_bar_unselect_path (EAttachmentView *view,
                                    GtkTreePath *path)
 {
-	EMailAttachmentBarPrivate *priv;
+	EMailAttachmentBar *bar;
 
-	priv = E_MAIL_ATTACHMENT_BAR (view)->priv;
-	view = E_ATTACHMENT_VIEW (priv->icon_view);
+	bar = E_MAIL_ATTACHMENT_BAR (view);
+	view = E_ATTACHMENT_VIEW (bar->priv->icon_view);
 
 	e_attachment_view_unselect_path (view, path);
 }
@@ -403,10 +418,10 @@ mail_attachment_bar_unselect_path (EAttachmentView *view,
 static void
 mail_attachment_bar_select_all (EAttachmentView *view)
 {
-	EMailAttachmentBarPrivate *priv;
+	EMailAttachmentBar *bar;
 
-	priv = E_MAIL_ATTACHMENT_BAR (view)->priv;
-	view = E_ATTACHMENT_VIEW (priv->icon_view);
+	bar = E_MAIL_ATTACHMENT_BAR (view);
+	view = E_ATTACHMENT_VIEW (bar->priv->icon_view);
 
 	e_attachment_view_select_all (view);
 }
@@ -414,10 +429,10 @@ mail_attachment_bar_select_all (EAttachmentView *view)
 static void
 mail_attachment_bar_unselect_all (EAttachmentView *view)
 {
-	EMailAttachmentBarPrivate *priv;
+	EMailAttachmentBar *bar;
 
-	priv = E_MAIL_ATTACHMENT_BAR (view)->priv;
-	view = E_ATTACHMENT_VIEW (priv->icon_view);
+	bar = E_MAIL_ATTACHMENT_BAR (view);
+	view = E_ATTACHMENT_VIEW (bar->priv->icon_view);
 
 	e_attachment_view_unselect_all (view);
 }
@@ -425,20 +440,19 @@ mail_attachment_bar_unselect_all (EAttachmentView *view)
 static void
 mail_attachment_bar_update_actions (EAttachmentView *view)
 {
-	EMailAttachmentBarPrivate *priv;
+	EMailAttachmentBar *bar;
 
-	priv = E_MAIL_ATTACHMENT_BAR (view)->priv;
-	view = E_ATTACHMENT_VIEW (priv->icon_view);
+	bar = E_MAIL_ATTACHMENT_BAR (view);
+	view = E_ATTACHMENT_VIEW (bar->priv->icon_view);
 
 	e_attachment_view_update_actions (view);
 }
 
 static void
-mail_attachment_bar_class_init (EMailAttachmentBarClass *class)
+e_mail_attachment_bar_class_init (EMailAttachmentBarClass *class)
 {
 	GObjectClass *object_class;
 
-	parent_class = g_type_class_peek_parent (class);
 	g_type_class_add_private (class, sizeof (EMailAttachmentBarPrivate));
 
 	object_class = G_OBJECT_CLASS (class);
@@ -479,7 +493,7 @@ mail_attachment_bar_class_init (EMailAttachmentBarClass *class)
 }
 
 static void
-mail_attachment_bar_interface_init (EAttachmentViewInterface *interface)
+e_mail_attachment_bar_interface_init (EAttachmentViewInterface *interface)
 {
 	interface->get_private = mail_attachment_bar_get_private;
 	interface->get_store = mail_attachment_bar_get_store;
@@ -494,7 +508,7 @@ mail_attachment_bar_interface_init (EAttachmentViewInterface *interface)
 }
 
 static void
-mail_attachment_bar_init (EMailAttachmentBar *bar)
+e_mail_attachment_bar_init (EMailAttachmentBar *bar)
 {
 	EAttachmentView *view;
 	GtkSizeGroup *size_group;
@@ -502,8 +516,7 @@ mail_attachment_bar_init (EMailAttachmentBar *bar)
 	GtkWidget *widget;
 	GtkAction *action;
 
-	bar->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-		bar, E_TYPE_MAIL_ATTACHMENT_BAR, EMailAttachmentBarPrivate);
+	bar->priv = E_MAIL_ATTACHMENT_BAR_GET_PRIVATE (bar);
 	bar->priv->model = e_attachment_store_new ();
 
 	gtk_box_set_spacing (GTK_BOX (bar), 6);
@@ -639,41 +652,6 @@ mail_attachment_bar_init (EMailAttachmentBar *bar)
 	g_object_unref (size_group);
 }
 
-GType
-e_mail_attachment_bar_get_type (void)
-{
-	static GType type = 0;
-
-	if (G_UNLIKELY (type == 0)) {
-		static const GTypeInfo type_info = {
-			sizeof (EMailAttachmentBarClass),
-			(GBaseInitFunc) NULL,
-			(GBaseFinalizeFunc) NULL,
-			(GClassInitFunc) mail_attachment_bar_class_init,
-			(GClassFinalizeFunc) NULL,
-			NULL,  /* class_data */
-			sizeof (EMailAttachmentBar),
-			0,     /* n_preallocs */
-			(GInstanceInitFunc) mail_attachment_bar_init,
-			NULL   /* value_table */
-		};
-
-		static const GInterfaceInfo interface_info = {
-			(GInterfaceInitFunc) mail_attachment_bar_interface_init,
-			(GInterfaceFinalizeFunc) NULL,
-			NULL   /* interface_data */
-		};
-
-		type = g_type_register_static (
-			GTK_TYPE_VBOX, "EMailAttachmentBar", &type_info, 0);
-
-		g_type_add_interface_static (
-			type, E_TYPE_ATTACHMENT_VIEW, &interface_info);
-	}
-
-	return type;
-}
-
 GtkWidget *
 e_mail_attachment_bar_new (void)
 {
diff --git a/mail/e-mail-browser.c b/mail/e-mail-browser.c
index 1125510915..ec0e9251e0 100644
--- a/mail/e-mail-browser.c
+++ b/mail/e-mail-browser.c
@@ -30,12 +30,10 @@
 
 #include "e-util/e-util.h"
 #include "e-util/e-plugin-ui.h"
-#include "e-util/e-alert-dialog.h"
 #include "e-util/gconf-bridge.h"
 #include "shell/e-shell.h"
 #include "shell/e-shell-utils.h"
 #include "shell/e-shell-settings.h"
-#include "widgets/misc/e-alert-bar.h"
 #include "widgets/misc/e-popup-action.h"
 #include "widgets/misc/e-preview-pane.h"
 
@@ -45,6 +43,10 @@
 #include "mail/em-format-html-display.h"
 #include "mail/message-list.h"
 
+#define E_MAIL_BROWSER_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_MAIL_BROWSER, EMailBrowserPrivate))
+
 #define MAIL_BROWSER_GCONF_PREFIX "/apps/evolution/mail/mail_browser"
 
 #define ACTION_GROUP_STANDARD		"action-group-standard"
@@ -59,8 +61,7 @@ struct _EMailBrowserPrivate {
 	GtkWidget *main_menu;
 	GtkWidget *main_toolbar;
 	GtkWidget *message_list;
-	GtkWidget *alert_bar;
-	GtkWidget *search_bar;
+	GtkWidget *preview_pane;
 	GtkWidget *statusbar;
 
 	guint show_deleted : 1;
@@ -102,8 +103,6 @@ static const gchar *ui =
 "  </menubar>"
 "</ui>";
 
-static void	e_mail_browser_alert_sink_init
-					(EAlertSinkInterface *interface);
 static void	e_mail_browser_reader_init
 					(EMailReaderInterface *interface);
 
@@ -112,8 +111,6 @@ G_DEFINE_TYPE_WITH_CODE (
 	e_mail_browser,
 	GTK_TYPE_WINDOW,
 	G_IMPLEMENT_INTERFACE (
-		E_TYPE_ALERT_SINK, e_mail_browser_alert_sink_init)
-	G_IMPLEMENT_INTERFACE (
 		E_TYPE_MAIL_READER, e_mail_browser_reader_init)
 	G_IMPLEMENT_INTERFACE (
 		E_TYPE_EXTENSIBLE, NULL))
@@ -482,7 +479,7 @@ mail_browser_dispose (GObject *object)
 {
 	EMailBrowserPrivate *priv;
 
-	priv = E_MAIL_BROWSER (object)->priv;
+	priv = E_MAIL_BROWSER_GET_PRIVATE (object);
 
 	if (priv->backend != NULL) {
 		g_object_unref (priv->backend);
@@ -520,14 +517,9 @@ mail_browser_dispose (GObject *object)
 		priv->message_list = NULL;
 	}
 
-	if (priv->alert_bar != NULL) {
-		g_object_unref (priv->alert_bar);
-		priv->alert_bar = NULL;
-	}
-
-	if (priv->search_bar != NULL) {
-		g_object_unref (priv->search_bar);
-		priv->search_bar = NULL;
+	if (priv->preview_pane != NULL) {
+		g_object_unref (priv->preview_pane);
+		priv->preview_pane = NULL;
 	}
 
 	if (priv->statusbar != NULL) {
@@ -542,7 +534,7 @@ mail_browser_dispose (GObject *object)
 static void
 mail_browser_constructed (GObject *object)
 {
-	EMailBrowserPrivate *priv;
+	EMailBrowser *browser;
 	EMFormatHTML *formatter;
 	EMailReader *reader;
 	EMailBackend *backend;
@@ -565,7 +557,7 @@ mail_browser_constructed (GObject *object)
 	/* Chain up to parent's constructed() method. */
 	G_OBJECT_CLASS (parent_class)->constructed (object);
 
-	priv = E_MAIL_BROWSER (object)->priv;
+	browser = E_MAIL_BROWSER (object);
 
 	reader = E_MAIL_READER (object);
 	backend = e_mail_reader_get_backend (reader);
@@ -576,7 +568,7 @@ mail_browser_constructed (GObject *object)
 	ui_manager = e_ui_manager_new ();
 	e_shell_configure_ui_manager (shell, E_UI_MANAGER (ui_manager));
 
-	priv->ui_manager = ui_manager;
+	browser->priv->ui_manager = ui_manager;
 	domain = GETTEXT_PACKAGE;
 
 	gtk_application_add_window (
@@ -588,15 +580,15 @@ mail_browser_constructed (GObject *object)
 	/* The message list is a widget, but it is not shown in the browser.
 	 * Unfortunately, the widget is inseparable from its model, and the
 	 * model is all we need. */
-	priv->message_list = message_list_new (backend);
-	g_object_ref_sink (priv->message_list);
+	browser->priv->message_list = message_list_new (backend);
+	g_object_ref_sink (browser->priv->message_list);
 
 	g_signal_connect_swapped (
-		priv->message_list, "message-selected",
+		browser->priv->message_list, "message-selected",
 		G_CALLBACK (mail_browser_message_selected_cb), object);
 
 	g_signal_connect_swapped (
-		priv->message_list, "message-list-built",
+		browser->priv->message_list, "message-list-built",
 		G_CALLBACK (mail_browser_message_list_built_cb), object);
 
 	g_signal_connect_swapped (
@@ -661,7 +653,7 @@ mail_browser_constructed (GObject *object)
 	e_focus_tracker_set_paste_clipboard_action (focus_tracker, action);
 	action = e_mail_reader_get_action (reader, "select-all");
 	e_focus_tracker_set_select_all_action (focus_tracker, action);
-	priv->focus_tracker = focus_tracker;
+	browser->priv->focus_tracker = focus_tracker;
 
 	/* Construct window widgets. */
 
@@ -674,40 +666,36 @@ mail_browser_constructed (GObject *object)
 	/* Create the status bar before connecting proxy widgets. */
 	widget = gtk_statusbar_new ();
 	gtk_box_pack_end (GTK_BOX (container), widget, FALSE, FALSE, 0);
-	priv->statusbar = g_object_ref (widget);
+	browser->priv->statusbar = g_object_ref (widget);
 	gtk_widget_show (widget);
 
 	widget = gtk_ui_manager_get_widget (ui_manager, "/main-menu");
 	gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
-	priv->main_menu = g_object_ref (widget);
+	browser->priv->main_menu = g_object_ref (widget);
 	gtk_widget_show (widget);
 
 	widget = gtk_ui_manager_get_widget (ui_manager, "/main-toolbar");
 	gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
-	priv->main_toolbar = g_object_ref (widget);
+	browser->priv->main_toolbar = g_object_ref (widget);
 	gtk_widget_show (widget);
 
 	gtk_style_context_add_class (
 		gtk_widget_get_style_context (widget),
 		GTK_STYLE_CLASS_PRIMARY_TOOLBAR);
 
-	widget = e_alert_bar_new ();
-	gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
-	priv->alert_bar = g_object_ref (widget);
-	/* EAlertBar controls its own visibility. */
-
 	gtk_widget_show (GTK_WIDGET (web_view));
 
 	widget = e_preview_pane_new (web_view);
 	gtk_box_pack_start (GTK_BOX (container), widget, TRUE, TRUE, 0);
+	browser->priv->preview_pane = g_object_ref (widget);
 	gtk_widget_show (widget);
 
 	search_bar = e_preview_pane_get_search_bar (E_PREVIEW_PANE (widget));
-	priv->search_bar = g_object_ref (search_bar);
 
 	g_signal_connect_swapped (
 		search_bar, "changed",
-		G_CALLBACK (em_format_queue_redraw), priv->formatter);
+		G_CALLBACK (em_format_queue_redraw),
+		browser->priv->formatter);
 
 	/* Bind GObject properties to GSettings keys. */
 
@@ -740,34 +728,6 @@ mail_browser_key_press_event (GtkWidget *widget,
 		key_press_event (widget, event);
 }
 
-static void
-mail_browser_submit_alert (EAlertSink *alert_sink,
-                           EAlert *alert)
-{
-	EMailBrowserPrivate *priv;
-	EAlertBar *alert_bar;
-	GtkWidget *dialog;
-	GtkWindow *parent;
-
-	priv = E_MAIL_BROWSER (alert_sink)->priv;
-
-	switch (e_alert_get_message_type (alert)) {
-		case GTK_MESSAGE_INFO:
-		case GTK_MESSAGE_WARNING:
-		case GTK_MESSAGE_ERROR:
-			alert_bar = E_ALERT_BAR (priv->alert_bar);
-			e_alert_bar_add_alert (alert_bar, alert);
-			break;
-
-		default:
-			parent = GTK_WINDOW (alert_sink);
-			dialog = e_alert_dialog_new (parent, alert);
-			gtk_dialog_run (GTK_DIALOG (dialog));
-			gtk_widget_destroy (dialog);
-			break;
-	}
-}
-
 static GtkActionGroup *
 mail_browser_get_action_group (EMailReader *reader,
                                EMailReaderActionGroup group)
@@ -788,20 +748,14 @@ mail_browser_get_action_group (EMailReader *reader,
 	return g_object_get_data (G_OBJECT (reader), group_name);
 }
 
-static EAlertSink *
-mail_browser_get_alert_sink (EMailReader *reader)
-{
-	return E_ALERT_SINK (reader);
-}
-
 static EMailBackend *
 mail_browser_get_backend (EMailReader *reader)
 {
-	EMailBrowserPrivate *priv;
+	EMailBrowser *browser;
 
-	priv = E_MAIL_BROWSER (reader)->priv;
+	browser = E_MAIL_BROWSER (reader);
 
-	return priv->backend;
+	return browser->priv->backend;
 }
 
 static gboolean
@@ -817,21 +771,21 @@ mail_browser_get_hide_deleted (EMailReader *reader)
 static EMFormatHTML *
 mail_browser_get_formatter (EMailReader *reader)
 {
-	EMailBrowserPrivate *priv;
+	EMailBrowser *browser;
 
-	priv = E_MAIL_BROWSER (reader)->priv;
+	browser = E_MAIL_BROWSER (reader);
 
-	return EM_FORMAT_HTML (priv->formatter);
+	return EM_FORMAT_HTML (browser->priv->formatter);
 }
 
 static GtkWidget *
 mail_browser_get_message_list (EMailReader *reader)
 {
-	EMailBrowserPrivate *priv;
+	EMailBrowser *browser;
 
-	priv = E_MAIL_BROWSER (reader)->priv;
+	browser = E_MAIL_BROWSER (reader);
 
-	return priv->message_list;
+	return browser->priv->message_list;
 }
 
 static GtkMenu *
@@ -848,6 +802,16 @@ mail_browser_get_popup_menu (EMailReader *reader)
 	return GTK_MENU (widget);
 }
 
+static EPreviewPane *
+mail_browser_get_preview_pane (EMailReader *reader)
+{
+	EMailBrowser *browser;
+
+	browser = E_MAIL_BROWSER (reader);
+
+	return E_PREVIEW_PANE (browser->priv->preview_pane);
+}
+
 static GtkWindow *
 mail_browser_get_window (EMailReader *reader)
 {
@@ -883,16 +847,6 @@ mail_browser_set_message (EMailReader *reader,
 }
 
 static void
-mail_browser_show_search_bar (EMailReader *reader)
-{
-	EMailBrowserPrivate *priv;
-
-	priv = E_MAIL_BROWSER (reader)->priv;
-
-	gtk_widget_show (priv->search_bar);
-}
-
-static void
 e_mail_browser_class_init (EMailBrowserClass *class)
 {
 	GObjectClass *object_class;
@@ -961,24 +915,17 @@ e_mail_browser_class_init (EMailBrowserClass *class)
 }
 
 static void
-e_mail_browser_alert_sink_init (EAlertSinkInterface *interface)
-{
-	interface->submit_alert = mail_browser_submit_alert;
-}
-
-static void
 e_mail_browser_reader_init (EMailReaderInterface *interface)
 {
 	interface->get_action_group = mail_browser_get_action_group;
-	interface->get_alert_sink = mail_browser_get_alert_sink;
 	interface->get_backend = mail_browser_get_backend;
 	interface->get_formatter = mail_browser_get_formatter;
 	interface->get_hide_deleted = mail_browser_get_hide_deleted;
 	interface->get_message_list = mail_browser_get_message_list;
 	interface->get_popup_menu = mail_browser_get_popup_menu;
+	interface->get_preview_pane = mail_browser_get_preview_pane;
 	interface->get_window = mail_browser_get_window;
 	interface->set_message = mail_browser_set_message;
-	interface->show_search_bar = mail_browser_show_search_bar;
 }
 
 static void
@@ -987,9 +934,7 @@ e_mail_browser_init (EMailBrowser *browser)
 	GConfBridge *bridge;
 	const gchar *prefix;
 
-	browser->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-		browser, E_TYPE_MAIL_BROWSER, EMailBrowserPrivate);
-
+	browser->priv = E_MAIL_BROWSER_GET_PRIVATE (browser);
 	browser->priv->formatter = em_format_html_display_new ();
 
 	bridge = gconf_bridge_get ();
diff --git a/mail/e-mail-display.c b/mail/e-mail-display.c
index aa3c4bd3d2..7461e595f3 100644
--- a/mail/e-mail-display.c
+++ b/mail/e-mail-display.c
@@ -32,6 +32,10 @@
 #include "mail/em-composer-utils.h"
 #include "mail/em-utils.h"
 
+#define E_MAIL_DISPLAY_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_MAIL_DISPLAY, EMailDisplayPrivate))
+
 struct _EMailDisplayPrivate {
 	EMFormatHTML *formatter;
 };
@@ -41,8 +45,6 @@ enum {
 	PROP_FORMATTER
 };
 
-static gpointer parent_class;
-
 static const gchar *ui =
 "<ui>"
 "  <popup name='context'>"
@@ -99,6 +101,8 @@ static GtkActionEntry mailto_entries[] = {
 	  NULL }
 };
 
+G_DEFINE_TYPE (EMailDisplay, e_mail_display, E_TYPE_WEB_VIEW)
+
 static void
 mail_display_update_formatter_colors (EMailDisplay *display)
 {
@@ -179,7 +183,7 @@ mail_display_dispose (GObject *object)
 {
 	EMailDisplayPrivate *priv;
 
-	priv = E_MAIL_DISPLAY (object)->priv;
+	priv = E_MAIL_DISPLAY_GET_PRIVATE (object);
 
 	if (priv->formatter) {
 		g_object_unref (priv->formatter);
@@ -187,14 +191,14 @@ mail_display_dispose (GObject *object)
 	}
 
 	/* Chain up to parent's dispose() method. */
-	G_OBJECT_CLASS (parent_class)->dispose (object);
+	G_OBJECT_CLASS (e_mail_display_parent_class)->dispose (object);
 }
 
 static void
 mail_display_realize (GtkWidget *widget)
 {
 	/* Chain up to parent's realize() method. */
-	GTK_WIDGET_CLASS (parent_class)->realize (widget);
+	GTK_WIDGET_CLASS (e_mail_display_parent_class)->realize (widget);
 
 	mail_display_update_formatter_colors (E_MAIL_DISPLAY (widget));
 }
@@ -205,10 +209,11 @@ mail_display_style_set (GtkWidget *widget,
 {
 	EMailDisplayPrivate *priv;
 
-	priv = E_MAIL_DISPLAY (widget)->priv;
+	priv = E_MAIL_DISPLAY_GET_PRIVATE (widget);
 
 	/* Chain up to parent's style_set() method. */
-	GTK_WIDGET_CLASS (parent_class)->style_set (widget, previous_style);
+	GTK_WIDGET_CLASS (e_mail_display_parent_class)->
+		style_set (widget, previous_style);
 
 	mail_display_update_formatter_colors (E_MAIL_DISPLAY (widget));
 	em_format_queue_redraw (EM_FORMAT (priv->formatter));
@@ -220,14 +225,15 @@ mail_display_load_string (EWebView *web_view,
 {
 	EMailDisplayPrivate *priv;
 
-	priv = E_MAIL_DISPLAY (web_view)->priv;
+	priv = E_MAIL_DISPLAY_GET_PRIVATE (web_view);
 	g_return_if_fail (priv->formatter != NULL);
 
 	if (em_format_busy (EM_FORMAT (priv->formatter)))
 		return;
 
 	/* Chain up to parent's load_string() method. */
-	E_WEB_VIEW_CLASS (parent_class)->load_string (web_view, string);
+	E_WEB_VIEW_CLASS (e_mail_display_parent_class)->
+		load_string (web_view, string);
 }
 
 static void
@@ -253,7 +259,7 @@ mail_display_process_mailto (EWebView *web_view,
 		CamelFolder *folder = NULL;
 		EShell *shell;
 
-		priv = E_MAIL_DISPLAY (web_view)->priv;
+		priv = E_MAIL_DISPLAY_GET_PRIVATE (web_view);
 		g_return_val_if_fail (priv->formatter != NULL, FALSE);
 
 		format = EM_FORMAT (priv->formatter);
@@ -277,7 +283,7 @@ mail_display_link_clicked (GtkHTML *html,
 {
 	EMailDisplayPrivate *priv;
 
-	priv = E_MAIL_DISPLAY (html)->priv;
+	priv = E_MAIL_DISPLAY_GET_PRIVATE (html);
 	g_return_if_fail (priv->formatter != NULL);
 
 	if (g_str_has_prefix (uri, "##")) {
@@ -331,19 +337,19 @@ mail_display_link_clicked (GtkHTML *html,
 
 	else {
 		/* Chain up to parent's link_clicked() method. */
-		GTK_HTML_CLASS (parent_class)->link_clicked (html, uri);
+		GTK_HTML_CLASS (e_mail_display_parent_class)->
+			link_clicked (html, uri);
 	}
 }
 
 static void
-mail_display_class_init (EMailDisplayClass *class)
+e_mail_display_class_init (EMailDisplayClass *class)
 {
 	GObjectClass *object_class;
 	GtkWidgetClass *widget_class;
 	EWebViewClass *web_view_class;
 	GtkHTMLClass *html_class;
 
-	parent_class = g_type_class_peek_parent (class);
 	g_type_class_add_private (class, sizeof (EMailDisplayPrivate));
 
 	object_class = G_OBJECT_CLASS (class);
@@ -375,7 +381,7 @@ mail_display_class_init (EMailDisplayClass *class)
 }
 
 static void
-mail_display_init (EMailDisplay *display)
+e_mail_display_init (EMailDisplay *display)
 {
 	EWebView *web_view;
 	GtkUIManager *ui_manager;
@@ -384,8 +390,7 @@ mail_display_init (EMailDisplay *display)
 
 	web_view = E_WEB_VIEW (display);
 
-	display->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-		display, E_TYPE_MAIL_DISPLAY, EMailDisplayPrivate);
+	display->priv = E_MAIL_DISPLAY_GET_PRIVATE (display);
 
 	/* EWebView's action groups are added during its instance
 	 * initialization function (like what we're in now), so it
@@ -407,32 +412,6 @@ mail_display_init (EMailDisplay *display)
 		g_error ("%s", error->message);
 }
 
-GType
-e_mail_display_get_type (void)
-{
-	static GType type = 0;
-
-	if (G_UNLIKELY (type == 0)) {
-		static const GTypeInfo type_info = {
-			sizeof (EMailDisplayClass),
-			(GBaseInitFunc) NULL,
-			(GBaseFinalizeFunc) NULL,
-			(GClassInitFunc) mail_display_class_init,
-			(GClassFinalizeFunc) NULL,
-			NULL,  /* class_data */
-			sizeof (EMailDisplay),
-			0,     /* n_preallocs */
-			(GInstanceInitFunc) mail_display_init,
-			NULL   /* value_table */
-		};
-
-		type = g_type_register_static (
-			E_TYPE_WEB_VIEW, "EMailDisplay", &type_info, 0);
-	}
-
-	return type;
-}
-
 EMFormatHTML *
 e_mail_display_get_formatter (EMailDisplay *display)
 {
diff --git a/mail/e-mail-folder-pane.c b/mail/e-mail-folder-pane.c
index 4642bd71b1..277228071e 100644
--- a/mail/e-mail-folder-pane.c
+++ b/mail/e-mail-folder-pane.c
@@ -44,6 +44,10 @@
 #include "mail/mail-tools.h"
 #include "mail/message-list.h"
 
+#define E_MAIL_FOLDER_PANE_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_MAIL_FOLDER_PANE, EMailFolderPanePrivate))
+
 struct _EMailFolderPanePrivate {
 	gint placeholder;
 };
@@ -165,10 +169,9 @@ e_mail_folder_pane_class_init (EMailFolderPaneClass *class)
 }
 
 static void
-e_mail_folder_pane_init (EMailFolderPane *browser)
+e_mail_folder_pane_init (EMailFolderPane *folder_pane)
 {
-	browser->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-		browser, E_TYPE_MAIL_FOLDER_PANE, EMailFolderPanePrivate);
+	folder_pane->priv = E_MAIL_FOLDER_PANE_GET_PRIVATE (folder_pane);
 }
 
 EMailView *
diff --git a/mail/e-mail-label-action.c b/mail/e-mail-label-action.c
index 0eb1dc9a91..b7d38a99a9 100644
--- a/mail/e-mail-label-action.c
+++ b/mail/e-mail-label-action.c
@@ -25,11 +25,15 @@
 
 #include "e-mail-label-action.h"
 
+#define E_MAIL_LABEL_ACTION_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_MAIL_LABEL_ACTION, EMailLabelActionPrivate))
+
 struct _EMailLabelActionPrivate {
 	gint placeholder;
 };
 
-static gpointer parent_class;
+G_DEFINE_TYPE (EMailLabelAction, e_mail_label_action, GTK_TYPE_TOGGLE_ACTION)
 
 static void
 mail_label_action_menu_item_realize_cb (GtkWidget *menu_item)
@@ -92,11 +96,10 @@ mail_label_action_create_menu_item (GtkAction *action)
 }
 
 static void
-mail_label_action_class_init (EMailLabelActionClass *class)
+e_mail_label_action_class_init (EMailLabelActionClass *class)
 {
 	GtkActionClass *action_class;
 
-	parent_class = g_type_class_peek_parent (class);
 	g_type_class_add_private (class, sizeof (EMailLabelActionPrivate));
 
 	action_class = GTK_ACTION_CLASS (class);
@@ -104,37 +107,9 @@ mail_label_action_class_init (EMailLabelActionClass *class)
 }
 
 static void
-mail_label_action_init (EMailLabelAction *action)
-{
-	action->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-		action, E_TYPE_MAIL_LABEL_ACTION, EMailLabelActionPrivate);
-}
-
-GType
-e_mail_label_action_get_type (void)
+e_mail_label_action_init (EMailLabelAction *action)
 {
-	static GType type = 0;
-
-	if (G_UNLIKELY (type == 0)) {
-		static const GTypeInfo type_info = {
-			sizeof (EMailLabelActionClass),
-			(GBaseInitFunc) NULL,
-			(GBaseFinalizeFunc) NULL,
-			(GClassInitFunc) mail_label_action_class_init,
-			(GClassFinalizeFunc) NULL,
-			NULL,  /* class_data */
-			sizeof (EMailLabelAction),
-			0,     /* n_preallocs */
-			(GInstanceInitFunc) mail_label_action_init,
-			NULL   /* value_table */
-		};
-
-		type = g_type_register_static (
-			GTK_TYPE_TOGGLE_ACTION,
-			"EMailLabelAction", &type_info, 0);
-	}
-
-	return type;
+	action->priv = E_MAIL_LABEL_ACTION_GET_PRIVATE (action);
 }
 
 EMailLabelAction *
diff --git a/mail/e-mail-label-dialog.c b/mail/e-mail-label-dialog.c
index cb29cc6932..15222cc7b4 100644
--- a/mail/e-mail-label-dialog.c
+++ b/mail/e-mail-label-dialog.c
@@ -27,6 +27,10 @@
 
 #include <glib/gi18n.h>
 
+#define E_MAIL_LABEL_DIALOG_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_MAIL_LABEL_DIALOG, EMailLabelDialogPrivate))
+
 struct _EMailLabelDialogPrivate {
 	GtkWidget *entry;
 	GtkWidget *colorsel;
@@ -38,7 +42,7 @@ enum {
 	PROP_LABEL_NAME
 };
 
-static gpointer parent_class;
+G_DEFINE_TYPE (EMailLabelDialog, e_mail_label_dialog, GTK_TYPE_DIALOG)
 
 static void
 mail_label_dialog_entry_changed_cb (EMailLabelDialog *dialog)
@@ -106,7 +110,7 @@ mail_label_dialog_dispose (GObject *object)
 {
 	EMailLabelDialogPrivate *priv;
 
-	priv = E_MAIL_LABEL_DIALOG (object)->priv;
+	priv = E_MAIL_LABEL_DIALOG_GET_PRIVATE (object);
 
 	if (priv->entry != NULL) {
 		g_object_unref (priv->entry);
@@ -119,7 +123,7 @@ mail_label_dialog_dispose (GObject *object)
 	}
 
 	/* Chain up to parent's dispose() method. */
-	G_OBJECT_CLASS (parent_class)->dispose (object);
+	G_OBJECT_CLASS (e_mail_label_dialog_parent_class)->dispose (object);
 }
 
 static void
@@ -140,15 +144,14 @@ mail_label_dialog_constructed (GObject *object)
 	gtk_container_set_border_width (GTK_CONTAINER (content_area), 0);
 
 	/* Chain up to parent's constructed() method. */
-	G_OBJECT_CLASS (parent_class)->constructed (object);
+	G_OBJECT_CLASS (e_mail_label_dialog_parent_class)->constructed (object);
 }
 
 static void
-mail_label_dialog_class_init (EMailLabelDialogClass *class)
+e_mail_label_dialog_class_init (EMailLabelDialogClass *class)
 {
 	GObjectClass *object_class;
 
-	parent_class = g_type_class_peek_parent (class);
 	g_type_class_add_private (class, sizeof (EMailLabelDialogPrivate));
 
 	object_class = G_OBJECT_CLASS (class);
@@ -179,14 +182,13 @@ mail_label_dialog_class_init (EMailLabelDialogClass *class)
 }
 
 static void
-mail_label_dialog_init (EMailLabelDialog *dialog)
+e_mail_label_dialog_init (EMailLabelDialog *dialog)
 {
 	GtkWidget *content_area;
 	GtkWidget *container;
 	GtkWidget *widget;
 
-	dialog->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-		dialog, E_TYPE_MAIL_LABEL_DIALOG, EMailLabelDialogPrivate);
+	dialog->priv = E_MAIL_LABEL_DIALOG_GET_PRIVATE (dialog);
 
 	content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
 
@@ -234,32 +236,6 @@ mail_label_dialog_init (EMailLabelDialog *dialog)
 	gtk_widget_show (widget);
 }
 
-GType
-e_mail_label_dialog_get_type (void)
-{
-	static GType type = 0;
-
-	if (G_UNLIKELY (type == 0)) {
-		static const GTypeInfo type_info = {
-			sizeof (EMailLabelDialogClass),
-			(GBaseInitFunc) NULL,
-			(GBaseFinalizeFunc) NULL,
-			(GClassInitFunc) mail_label_dialog_class_init,
-			(GClassFinalizeFunc) NULL,
-			NULL,  /* class_data */
-			sizeof (EMailLabelDialog),
-			0,     /* n_preallocs */
-			(GInstanceInitFunc) mail_label_dialog_init,
-			NULL   /* value_table */
-		};
-
-		type = g_type_register_static (
-			GTK_TYPE_DIALOG, "EMailLabelDialog", &type_info, 0);
-	}
-
-	return type;
-}
-
 GtkWidget *
 e_mail_label_dialog_new (GtkWindow *parent)
 {
diff --git a/mail/e-mail-label-list-store.c b/mail/e-mail-label-list-store.c
index 673893ca87..7e8c6f221a 100644
--- a/mail/e-mail-label-list-store.c
+++ b/mail/e-mail-label-list-store.c
@@ -28,6 +28,10 @@
 #include <glib/gi18n.h>
 #include <camel/camel.h>
 
+#define E_MAIL_LABEL_LIST_STORE_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_MAIL_LABEL_LIST_STORE, EMailLabelListStorePrivate))
+
 struct _EMailLabelListStorePrivate {
 	GHashTable *tag_index;
 	GSettings *mail_settings;
@@ -45,7 +49,17 @@ static struct {
 	{ N_("_Later"),     "#75507B", "$Labellater" }		/* purple */
 };
 
-static gpointer parent_class;
+/* Forward Declarations */
+static void	e_mail_label_list_store_interface_init
+						(GtkTreeModelIface *interface);
+
+G_DEFINE_TYPE_WITH_CODE (
+	EMailLabelListStore,
+	e_mail_label_list_store,
+	GTK_TYPE_LIST_STORE,
+	G_IMPLEMENT_INTERFACE (
+		GTK_TYPE_TREE_MODEL,
+		e_mail_label_list_store_interface_init))
 
 static gchar *
 mail_label_list_store_tag_from_name (const gchar *label_name)
@@ -157,7 +171,7 @@ mail_label_list_store_finalize (GObject *object)
 {
 	EMailLabelListStorePrivate *priv;
 
-	priv = E_MAIL_LABEL_LIST_STORE (object)->priv;
+	priv = E_MAIL_LABEL_LIST_STORE_GET_PRIVATE (object);
 
 	g_hash_table_destroy (priv->tag_index);
 
@@ -167,7 +181,8 @@ mail_label_list_store_finalize (GObject *object)
 	}
 
 	/* Chain up to parent's finalize() method. */
-	G_OBJECT_CLASS (parent_class)->finalize (object);
+	G_OBJECT_CLASS (e_mail_label_list_store_parent_class)->
+		finalize (object);
 }
 
 
@@ -273,7 +288,8 @@ mail_label_list_store_constructed (GObject *object)
 	mail_label_list_store_ensure_defaults (store);
 
 	/* Chain up to parent's constructed() method. */
-	G_OBJECT_CLASS (parent_class)->constructed (object);
+	G_OBJECT_CLASS (e_mail_label_list_store_parent_class)->
+		constructed (object);
 }
 
 static void
@@ -303,11 +319,10 @@ mail_label_list_store_row_inserted (GtkTreeModel *model,
 }
 
 static void
-mail_label_list_store_class_init (EMailLabelListStoreClass *class)
+e_mail_label_list_store_class_init (EMailLabelListStoreClass *class)
 {
 	GObjectClass *object_class;
 
-	parent_class = g_type_class_peek_parent (class);
 	g_type_class_add_private (class, sizeof (EMailLabelListStorePrivate));
 
 	object_class = G_OBJECT_CLASS (class);
@@ -319,7 +334,13 @@ mail_label_list_store_class_init (EMailLabelListStoreClass *class)
 }
 
 static void
-mail_label_list_store_init (EMailLabelListStore *store)
+e_mail_label_list_store_interface_init (GtkTreeModelIface *interface)
+{
+	interface->row_inserted = mail_label_list_store_row_inserted;
+}
+
+static void
+e_mail_label_list_store_init (EMailLabelListStore *store)
 {
 	GHashTable *tag_index;
 	GType type = G_TYPE_STRING;
@@ -329,9 +350,7 @@ mail_label_list_store_init (EMailLabelListStore *store)
 		(GDestroyNotify) g_free,
 		(GDestroyNotify) gtk_tree_row_reference_free);
 
-	store->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-		store, E_TYPE_MAIL_LABEL_LIST_STORE,
-		EMailLabelListStorePrivate);
+	store->priv = E_MAIL_LABEL_LIST_STORE_GET_PRIVATE (store);
 	store->priv->tag_index = tag_index;
 
 	/* XXX While it may seem awkward to cram the label name and color
@@ -344,48 +363,6 @@ mail_label_list_store_init (EMailLabelListStore *store)
 	gtk_list_store_set_column_types (GTK_LIST_STORE (store), 1, &type);
 }
 
-static void
-mail_label_list_store_iface_init (GtkTreeModelIface *iface)
-{
-	iface->row_inserted = mail_label_list_store_row_inserted;
-}
-
-GType
-e_mail_label_list_store_get_type (void)
-{
-	static GType type = 0;
-
-	if (G_UNLIKELY (type == 0)) {
-		static const GTypeInfo type_info = {
-			sizeof (EMailLabelListStoreClass),
-			(GBaseInitFunc) NULL,
-			(GBaseFinalizeFunc) NULL,
-			(GClassInitFunc) mail_label_list_store_class_init,
-			(GClassFinalizeFunc) NULL,
-			NULL,  /* class_data */
-			sizeof (EMailLabelListStore),
-			0,     /* n_preallocs */
-			(GInstanceInitFunc) mail_label_list_store_init,
-			NULL   /* vaule_table */
-		};
-
-		static const GInterfaceInfo iface_info = {
-			(GInterfaceInitFunc) mail_label_list_store_iface_init,
-			(GInterfaceFinalizeFunc) NULL,
-			NULL   /* interface_data */
-		};
-
-		type = g_type_register_static (
-			GTK_TYPE_LIST_STORE, "EMailLabelListStore",
-			&type_info, 0);
-
-		g_type_add_interface_static (
-			type, GTK_TYPE_TREE_MODEL, &iface_info);
-	}
-
-	return type;
-}
-
 EMailLabelListStore *
 e_mail_label_list_store_new (void)
 {
diff --git a/mail/e-mail-label-manager.c b/mail/e-mail-label-manager.c
index e5fd6ebcc2..5b2990bd84 100644
--- a/mail/e-mail-label-manager.c
+++ b/mail/e-mail-label-manager.c
@@ -29,6 +29,10 @@
 #include "e-mail-label-dialog.h"
 #include "e-mail-label-tree-view.h"
 
+#define E_MAIL_LABEL_MANAGER_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_MAIL_LABEL_MANAGER, EMailLabelManagerPrivate))
+
 struct _EMailLabelManagerPrivate {
 	GtkWidget *tree_view;
 	GtkWidget *add_button;
@@ -48,9 +52,10 @@ enum {
 	LAST_SIGNAL
 };
 
-static gpointer parent_class;
 static guint signals[LAST_SIGNAL];
 
+G_DEFINE_TYPE (EMailLabelManager, e_mail_label_manager, GTK_TYPE_TABLE)
+
 static void
 mail_label_manager_selection_changed_cb (EMailLabelManager *manager,
                                          GtkTreeSelection *selection)
@@ -121,7 +126,7 @@ mail_label_manager_dispose (GObject *object)
 {
 	EMailLabelManagerPrivate *priv;
 
-	priv = E_MAIL_LABEL_MANAGER (object)->priv;
+	priv = E_MAIL_LABEL_MANAGER_GET_PRIVATE (object);
 
 	if (priv->tree_view != NULL) {
 		g_object_unref (priv->tree_view);
@@ -144,7 +149,7 @@ mail_label_manager_dispose (GObject *object)
 	}
 
 	/* Chain up to parent's dispose() method. */
-	G_OBJECT_CLASS (parent_class)->dispose (object);
+	G_OBJECT_CLASS (e_mail_label_manager_parent_class)->dispose (object);
 }
 
 static void
@@ -248,11 +253,10 @@ mail_label_manager_remove_label (EMailLabelManager *manager)
 }
 
 static void
-mail_label_manager_class_init (EMailLabelManagerClass *class)
+e_mail_label_manager_class_init (EMailLabelManagerClass *class)
 {
 	GObjectClass *object_class;
 
-	parent_class = g_type_class_peek_parent (class);
 	g_type_class_add_private (class, sizeof (EMailLabelManagerPrivate));
 
 	object_class = G_OBJECT_CLASS (class);
@@ -303,14 +307,13 @@ mail_label_manager_class_init (EMailLabelManagerClass *class)
 }
 
 static void
-mail_label_manager_init (EMailLabelManager *manager)
+e_mail_label_manager_init (EMailLabelManager *manager)
 {
 	GtkTreeSelection *selection;
 	GtkWidget *container;
 	GtkWidget *widget;
 
-	manager->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-		manager, E_TYPE_MAIL_LABEL_MANAGER, EMailLabelManagerPrivate);
+	manager->priv = E_MAIL_LABEL_MANAGER_GET_PRIVATE (manager);
 
 	gtk_table_resize (GTK_TABLE (manager), 2, 2);
 	gtk_table_set_col_spacings (GTK_TABLE (manager), 6);
@@ -394,32 +397,6 @@ mail_label_manager_init (EMailLabelManager *manager)
 		G_CALLBACK (e_mail_label_manager_remove_label), manager);
 }
 
-GType
-e_mail_label_manager_get_type (void)
-{
-	static GType type = 0;
-
-	if (G_UNLIKELY (type == 0)) {
-		static const GTypeInfo type_info = {
-			sizeof (EMailLabelManagerClass),
-			(GBaseInitFunc) NULL,
-			(GBaseFinalizeFunc) NULL,
-			(GClassInitFunc) mail_label_manager_class_init,
-			(GClassFinalizeFunc) NULL,
-			NULL,  /* class_data */
-			sizeof (EMailLabelManager),
-			0,     /* n_preallocs */
-			(GInstanceInitFunc) mail_label_manager_init,
-			NULL   /* value_table */
-		};
-
-		type = g_type_register_static (
-			GTK_TYPE_TABLE, "EMailLabelManager", &type_info, 0);
-	}
-
-	return type;
-}
-
 GtkWidget *
 e_mail_label_manager_new (void)
 {
diff --git a/mail/e-mail-label-tree-view.c b/mail/e-mail-label-tree-view.c
index e5a8e50832..62589b4028 100644
--- a/mail/e-mail-label-tree-view.c
+++ b/mail/e-mail-label-tree-view.c
@@ -28,11 +28,15 @@
 #include <glib/gi18n.h>
 #include "e-mail-label-list-store.h"
 
+#define E_MAIL_LABEL_TREE_VIEW_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_MAIL_LABEL_TREE_VIEW, EMailLabelTreeViewPrivate))
+
 struct _EMailLabelTreeViewPrivate {
 	gint placeholder;
 };
 
-static gpointer parent_class;
+G_DEFINE_TYPE (EMailLabelTreeView, e_mail_label_tree_view, GTK_TYPE_TREE_VIEW)
 
 static void
 mail_label_tree_view_render_pixbuf (GtkTreeViewColumn *column,
@@ -67,21 +71,18 @@ mail_label_tree_view_render_text (GtkTreeViewColumn *column,
 }
 
 static void
-mail_label_tree_view_class_init (EMailLabelTreeViewClass *class)
+e_mail_label_tree_view_class_init (EMailLabelTreeViewClass *class)
 {
-	parent_class = g_type_class_peek_parent (class);
 	g_type_class_add_private (class, sizeof (EMailLabelTreeViewPrivate));
 }
 
 static void
-mail_label_tree_view_init (EMailLabelTreeView *tree_view)
+e_mail_label_tree_view_init (EMailLabelTreeView *tree_view)
 {
 	GtkTreeViewColumn *column;
 	GtkCellRenderer *renderer;
 
-	tree_view->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-		tree_view, E_TYPE_MAIL_LABEL_TREE_VIEW,
-		EMailLabelTreeViewPrivate);
+	tree_view->priv = E_MAIL_LABEL_TREE_VIEW_GET_PRIVATE (tree_view);
 
 	column = gtk_tree_view_column_new ();
 	renderer = gtk_cell_renderer_pixbuf_new ();
@@ -104,33 +105,6 @@ mail_label_tree_view_init (EMailLabelTreeView *tree_view)
 		mail_label_tree_view_render_text, tree_view, NULL);
 }
 
-GType
-e_mail_label_tree_view_get_type (void)
-{
-	static GType type = 0;
-
-	if (G_UNLIKELY (type == 0)) {
-		static const GTypeInfo type_info = {
-			sizeof (EMailLabelTreeViewClass),
-			(GBaseInitFunc) NULL,
-			(GBaseFinalizeFunc) NULL,
-			(GClassInitFunc) mail_label_tree_view_class_init,
-			(GClassFinalizeFunc) NULL,
-			NULL,  /* class_data */
-			sizeof (EMailLabelTreeView),
-			0,     /* n_preallocs */
-			(GInstanceInitFunc) mail_label_tree_view_init,
-			NULL   /* value_table */
-		};
-
-		type = g_type_register_static (
-			GTK_TYPE_TREE_VIEW, "EMailLabelTreeView",
-			&type_info, 0);
-	}
-
-	return type;
-}
-
 GtkWidget *
 e_mail_label_tree_view_new (void)
 {
diff --git a/mail/e-mail-message-pane.c b/mail/e-mail-message-pane.c
index ed2e3a3337..bae8e85af9 100644
--- a/mail/e-mail-message-pane.c
+++ b/mail/e-mail-message-pane.c
@@ -30,6 +30,10 @@
 
 #include "mail/e-mail-reader.h"
 
+#define E_MAIL_MESSAGE_PANE_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_MAIL_MESSAGE_PANE, EMailMessagePanePrivate))
+
 struct _EMailMessagePanePrivate {
 	gint placeholder;
 };
@@ -76,10 +80,9 @@ e_mail_message_pane_class_init (EMailMessagePaneClass *class)
 }
 
 static void
-e_mail_message_pane_init (EMailMessagePane *browser)
+e_mail_message_pane_init (EMailMessagePane *message_pane)
 {
-	browser->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-		browser, E_TYPE_MAIL_MESSAGE_PANE, EMailMessagePanePrivate);
+	message_pane->priv = E_MAIL_MESSAGE_PANE_GET_PRIVATE (message_pane);
 }
 
 EMailView *
diff --git a/mail/e-mail-notebook-view.c b/mail/e-mail-notebook-view.c
index e737b88bfe..0232b92423 100644
--- a/mail/e-mail-notebook-view.c
+++ b/mail/e-mail-notebook-view.c
@@ -45,6 +45,10 @@
 #include "e-mail-tab-picker.h"
 #endif
 
+#define E_MAIL_NOTEBOOK_VIEW_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_MAIL_NOTEBOOK_VIEW, EMailNotebookViewPrivate))
+
 struct _EMailNotebookViewPrivate {
 	GtkNotebook *book;
 	EMailView *current_view;
@@ -75,7 +79,9 @@ static void e_mail_notebook_view_reader_init (EMailReaderInterface *interface);
 G_DEFINE_TYPE_WITH_CODE (
 	EMailNotebookView, e_mail_notebook_view, E_TYPE_MAIL_VIEW,
 	G_IMPLEMENT_INTERFACE (
-		E_TYPE_MAIL_READER, e_mail_notebook_view_reader_init))
+		E_TYPE_MAIL_READER, e_mail_notebook_view_reader_init)
+	G_IMPLEMENT_INTERFACE (
+		E_TYPE_EXTENSIBLE, NULL))
 
 #if HAVE_CLUTTER
 static void
@@ -122,7 +128,7 @@ mnv_page_changed (GtkNotebook *book,
 	EMailView *mview;
 	CamelFolder *folder;
 
-	priv = E_MAIL_NOTEBOOK_VIEW (view)->priv;
+	priv = E_MAIL_NOTEBOOK_VIEW_GET_PRIVATE (view);
 
 	shell_view = e_mail_view_get_shell_view (view);
 	shell_sidebar = e_shell_view_get_shell_sidebar (shell_view);
@@ -516,7 +522,7 @@ mail_notebook_view_constructed (GObject *object)
 	ClutterTimeline *timeline;
 #endif
 
-	priv = E_MAIL_NOTEBOOK_VIEW (object)->priv;
+	priv = E_MAIL_NOTEBOOK_VIEW_GET_PRIVATE (object);
 
 	container = GTK_WIDGET (object);
 
@@ -624,6 +630,8 @@ mail_notebook_view_constructed (GObject *object)
 		priv->book, "switch-page",
 		G_CALLBACK (mnv_page_changed), object);
 
+	e_extensible_load_extensions (E_EXTENSIBLE (object));
+
 	/* Chain up to parent's constructed() method. */
 	G_OBJECT_CLASS (e_mail_notebook_view_parent_class)->constructed (object);
 }
@@ -634,26 +642,28 @@ mail_notebook_view_set_property (GObject *object,
                                  const GValue *value,
                                  GParamSpec *pspec)
 {
-	EMailNotebookViewPrivate *priv;
+	EMailNotebookView *notebook_view;
+	EMailView *current_view;
 
-	priv = E_MAIL_NOTEBOOK_VIEW (object)->priv;
+	notebook_view = E_MAIL_NOTEBOOK_VIEW (object);
+	current_view = notebook_view->priv->current_view;
 
 	switch (property_id) {
 		case PROP_FORWARD_STYLE:
 			e_mail_reader_set_forward_style (
-				E_MAIL_READER (priv->current_view),
+				E_MAIL_READER (current_view),
 				g_value_get_enum (value));
 			return;
 
 		case PROP_GROUP_BY_THREADS:
 			e_mail_reader_set_group_by_threads (
-				E_MAIL_READER (priv->current_view),
+				E_MAIL_READER (current_view),
 				g_value_get_boolean (value));
 			return;
 
 		case PROP_REPLY_STYLE:
 			e_mail_reader_set_reply_style (
-				E_MAIL_READER (priv->current_view),
+				E_MAIL_READER (current_view),
 				g_value_get_enum (value));
 			return;
 	}
@@ -667,30 +677,32 @@ mail_notebook_view_get_property (GObject *object,
                                  GValue *value,
                                  GParamSpec *pspec)
 {
-	EMailNotebookViewPrivate *priv;
+	EMailNotebookView *notebook_view;
+	EMailView *current_view;
 
-	priv = E_MAIL_NOTEBOOK_VIEW (object)->priv;
+	notebook_view = E_MAIL_NOTEBOOK_VIEW (object);
+	current_view = notebook_view->priv->current_view;
 
 	switch (property_id) {
 		case PROP_FORWARD_STYLE:
 			g_value_set_enum (
 				value,
 				e_mail_reader_get_forward_style (
-				E_MAIL_READER (priv->current_view)));
+				E_MAIL_READER (current_view)));
 			return;
 
 		case PROP_GROUP_BY_THREADS:
 			g_value_set_boolean (
 				value,
 				e_mail_reader_get_group_by_threads (
-				E_MAIL_READER (priv->current_view)));
+				E_MAIL_READER (current_view)));
 			return;
 
 		case PROP_REPLY_STYLE:
 			g_value_set_enum (
 				value,
 				e_mail_reader_get_reply_style (
-				E_MAIL_READER (priv->current_view)));
+				E_MAIL_READER (current_view)));
 			return;
 	}
 
@@ -701,118 +713,136 @@ static void
 mail_notebook_view_set_search_strings (EMailView *view,
                                        GSList *search_strings)
 {
-	EMailNotebookViewPrivate *priv;
+	EMailNotebookView *notebook_view;
+	EMailView *current_view;
 
-	priv = E_MAIL_NOTEBOOK_VIEW (view)->priv;
+	notebook_view = E_MAIL_NOTEBOOK_VIEW (view);
+	current_view = notebook_view->priv->current_view;
 
-	e_mail_view_set_search_strings (priv->current_view, search_strings);
+	e_mail_view_set_search_strings (current_view, search_strings);
 }
 
 static GalViewInstance *
 mail_notebook_view_get_view_instance (EMailView *view)
 {
-	EMailNotebookViewPrivate *priv;
+	EMailNotebookView *notebook_view;
+	EMailView *current_view;
 
-	priv = E_MAIL_NOTEBOOK_VIEW (view)->priv;
+	notebook_view = E_MAIL_NOTEBOOK_VIEW (view);
+	current_view = notebook_view->priv->current_view;
 
-	if (priv->current_view == NULL)
+	if (current_view == NULL)
 		return NULL;
 
-	return e_mail_view_get_view_instance (priv->current_view);
+	return e_mail_view_get_view_instance (current_view);
 }
 
 static void
 mail_notebook_view_update_view_instance (EMailView *view)
 {
-	EMailNotebookViewPrivate *priv;
+	EMailNotebookView *notebook_view;
+	EMailView *current_view;
 
-	priv = E_MAIL_NOTEBOOK_VIEW (view)->priv;
+	notebook_view = E_MAIL_NOTEBOOK_VIEW (view);
+	current_view = notebook_view->priv->current_view;
 
-	if (priv->current_view == NULL)
+	if (current_view == NULL)
 		return;
 
-	e_mail_view_update_view_instance (priv->current_view);
+	e_mail_view_update_view_instance (current_view);
 }
 
 static void
 mail_notebook_view_set_orientation (EMailView *view,
                                     GtkOrientation orientation)
 {
-	EMailNotebookViewPrivate *priv;
+	EMailNotebookView *notebook_view;
+	EMailView *current_view;
 
-	priv = E_MAIL_NOTEBOOK_VIEW (view)->priv;
+	notebook_view = E_MAIL_NOTEBOOK_VIEW (view);
+	current_view = notebook_view->priv->current_view;
 
-	if (priv->current_view == NULL)
+	if (current_view == NULL)
 		return;
 
-	e_mail_view_set_orientation (priv->current_view, orientation);
+	e_mail_view_set_orientation (current_view, orientation);
 }
 
 static GtkOrientation
 mail_notebook_view_get_orientation (EMailView *view)
 {
-	EMailNotebookViewPrivate *priv;
+	EMailNotebookView *notebook_view;
+	EMailView *current_view;
 
-	priv = E_MAIL_NOTEBOOK_VIEW (view)->priv;
+	notebook_view = E_MAIL_NOTEBOOK_VIEW (view);
+	current_view = notebook_view->priv->current_view;
 
-	if (priv->current_view == NULL)
+	if (current_view == NULL)
 		return GTK_ORIENTATION_VERTICAL;
 
-	return e_mail_view_get_orientation (priv->current_view);
+	return e_mail_view_get_orientation (current_view);
 }
 
 static gboolean
 mail_notebook_view_get_show_deleted (EMailView *view)
 {
-	EMailNotebookViewPrivate *priv;
+	EMailNotebookView *notebook_view;
+	EMailView *current_view;
 
-	priv = E_MAIL_NOTEBOOK_VIEW (view)->priv;
+	notebook_view = E_MAIL_NOTEBOOK_VIEW (view);
+	current_view = notebook_view->priv->current_view;
 
-	if (priv->current_view == NULL)
+	if (current_view == NULL)
 		return FALSE;
 
-	return e_mail_view_get_show_deleted (priv->current_view);
+	return e_mail_view_get_show_deleted (current_view);
 }
 
 static void
 mail_notebook_view_set_show_deleted (EMailView *view,
                                      gboolean show_deleted)
 {
-	EMailNotebookViewPrivate *priv;
+	EMailNotebookView *notebook_view;
+	EMailView *current_view;
 
-	priv = E_MAIL_NOTEBOOK_VIEW (view)->priv;
+	notebook_view = E_MAIL_NOTEBOOK_VIEW (view);
+	current_view = notebook_view->priv->current_view;
 
-	if (priv->current_view == NULL)
+	if (current_view == NULL)
 		return;
 
-	e_mail_view_set_show_deleted (priv->current_view, show_deleted);
+	e_mail_view_set_show_deleted (current_view, show_deleted);
 }
 
 static gboolean
 mail_notebook_view_get_preview_visible (EMailView *view)
 {
-	EMailNotebookViewPrivate *priv;
+	EMailNotebookView *notebook_view;
+	EMailView *current_view;
 
-	priv = E_MAIL_NOTEBOOK_VIEW (view)->priv;
+	notebook_view = E_MAIL_NOTEBOOK_VIEW (view);
+	current_view = notebook_view->priv->current_view;
 
-	if (priv->current_view == NULL)
+	if (current_view == NULL)
 		return FALSE;
 
-	return e_mail_view_get_preview_visible (priv->current_view);
+	return e_mail_view_get_preview_visible (current_view);
 }
 
 static void
 mail_notebook_view_set_preview_visible (EMailView *view,
                                         gboolean preview_visible)
 {
-	EMailNotebookViewPrivate *priv;
+	EMailNotebookView *notebook_view;
+	EMailView *current_view;
 
-	priv = E_MAIL_NOTEBOOK_VIEW (view)->priv;
+	notebook_view = E_MAIL_NOTEBOOK_VIEW (view);
+	current_view = notebook_view->priv->current_view;
 
-	if (priv->current_view == NULL)
+	if (current_view == NULL)
 		return;
 
-	e_mail_view_set_preview_visible (priv->current_view, preview_visible);
+	e_mail_view_set_preview_visible (current_view, preview_visible);
 }
 
 static GtkActionGroup *
@@ -873,27 +903,33 @@ mail_notebook_view_get_backend (EMailReader *reader)
 static EMFormatHTML *
 mail_notebook_view_get_formatter (EMailReader *reader)
 {
-	EMailNotebookViewPrivate *priv;
+	EMailNotebookView *notebook_view;
+	EMailView *current_view;
 
-	priv = E_MAIL_NOTEBOOK_VIEW (reader)->priv;
+	notebook_view = E_MAIL_NOTEBOOK_VIEW (reader);
+	current_view = notebook_view->priv->current_view;
 
-	if (priv->current_view == NULL)
+	if (current_view == NULL)
 		return NULL;
 
-	return e_mail_reader_get_formatter (E_MAIL_READER (priv->current_view));
+	reader = E_MAIL_READER (current_view);
+
+	return e_mail_reader_get_formatter (reader);
 }
 
 static gboolean
 mail_notebook_view_get_hide_deleted (EMailReader *reader)
 {
-	EMailNotebookViewPrivate *priv;
+	EMailNotebookView *notebook_view;
+	EMailView *current_view;
 
-	priv = E_MAIL_NOTEBOOK_VIEW (reader)->priv;
+	notebook_view = E_MAIL_NOTEBOOK_VIEW (reader);
+	current_view = notebook_view->priv->current_view;
 
-	if (priv->current_view == NULL)
+	if (current_view == NULL)
 		return FALSE;
 
-	reader = E_MAIL_READER (priv->current_view);
+	reader = E_MAIL_READER (current_view);
 
 	return e_mail_reader_get_hide_deleted (reader);
 }
@@ -901,14 +937,16 @@ mail_notebook_view_get_hide_deleted (EMailReader *reader)
 static GtkWidget *
 mail_notebook_view_get_message_list (EMailReader *reader)
 {
-	EMailNotebookViewPrivate *priv;
+	EMailNotebookView *notebook_view;
+	EMailView *current_view;
 
-	priv = E_MAIL_NOTEBOOK_VIEW (reader)->priv;
+	notebook_view = E_MAIL_NOTEBOOK_VIEW (reader);
+	current_view = notebook_view->priv->current_view;
 
-	if (priv->current_view == NULL)
+	if (current_view == NULL)
 		return NULL;
 
-	reader = E_MAIL_READER (priv->current_view);
+	reader = E_MAIL_READER (current_view);
 
 	return e_mail_reader_get_message_list (reader);
 }
@@ -916,18 +954,37 @@ mail_notebook_view_get_message_list (EMailReader *reader)
 static GtkMenu *
 mail_notebook_view_get_popup_menu (EMailReader *reader)
 {
-	EMailNotebookViewPrivate *priv;
+	EMailNotebookView *notebook_view;
+	EMailView *current_view;
 
-	priv = E_MAIL_NOTEBOOK_VIEW (reader)->priv;
+	notebook_view = E_MAIL_NOTEBOOK_VIEW (reader);
+	current_view = notebook_view->priv->current_view;
 
-	if (priv->current_view == NULL)
+	if (current_view == NULL)
 		return NULL;
 
-	reader = E_MAIL_READER (priv->current_view);
+	reader = E_MAIL_READER (current_view);
 
 	return e_mail_reader_get_popup_menu (reader);
 }
 
+static EPreviewPane *
+mail_notebook_view_get_preview_pane (EMailReader *reader)
+{
+	EMailNotebookView *notebook_view;
+	EMailView *current_view;
+
+	notebook_view = E_MAIL_NOTEBOOK_VIEW (reader);
+	current_view = notebook_view->priv->current_view;
+
+	if (current_view == NULL)
+		return NULL;
+
+	reader = E_MAIL_READER (current_view);
+
+	return e_mail_reader_get_preview_pane (reader);
+}
+
 static GtkWindow *
 mail_notebook_view_get_window (EMailReader *reader)
 {
@@ -1162,7 +1219,7 @@ mail_notebook_view_set_folder (EMailReader *reader,
 	if (folder == NULL)
 		return;
 
-	priv = E_MAIL_NOTEBOOK_VIEW (reader)->priv;
+	priv = E_MAIL_NOTEBOOK_VIEW_GET_PRIVATE (reader);
 
 	folder_uri = e_mail_folder_uri_from_folder (folder);
 	new_view = g_hash_table_lookup (priv->views, folder_uri);
@@ -1311,43 +1368,36 @@ mail_notebook_view_set_folder (EMailReader *reader,
 	}
 }
 
-static void
-mail_notebook_view_show_search_bar (EMailReader *reader)
-{
-	EMailNotebookViewPrivate *priv;
-
-	priv = E_MAIL_NOTEBOOK_VIEW (reader)->priv;
-
-	if (priv->current_view == NULL)
-		return;
-
-	reader = E_MAIL_READER (priv->current_view);
-
-	e_mail_reader_show_search_bar (reader);
-}
-
 static gboolean
 mail_notebook_view_enable_show_folder (EMailReader *reader)
 {
-	EMailNotebookViewPrivate *priv = E_MAIL_NOTEBOOK_VIEW (reader)->priv;
+	EMailNotebookView *notebook_view;
+	EMailView *current_view;
 
-	if (!priv->current_view)
+	notebook_view = E_MAIL_NOTEBOOK_VIEW (reader);
+	current_view = notebook_view->priv->current_view;
+
+	if (current_view == NULL)
 		return FALSE;
 
-	return e_mail_reader_get_enable_show_folder (E_MAIL_READER (priv->current_view));
+	reader = E_MAIL_READER (current_view);
+
+	return e_mail_reader_get_enable_show_folder (reader);
 }
 
 static guint
 mail_notebook_view_open_selected_mail (EMailReader *reader)
 {
-	EMailNotebookViewPrivate *priv;
+	EMailNotebookView *notebook_view;
+	EMailView *current_view;
 
-	priv = E_MAIL_NOTEBOOK_VIEW (reader)->priv;
+	notebook_view = E_MAIL_NOTEBOOK_VIEW (reader);
+	current_view = notebook_view->priv->current_view;
 
-	if (priv->current_view == NULL)
+	if (current_view == NULL)
 		return 0;
 
-	reader = E_MAIL_READER (priv->current_view);
+	reader = E_MAIL_READER (current_view);
 
 	return e_mail_reader_open_selected_mail (reader);
 }
@@ -1405,9 +1455,9 @@ e_mail_notebook_view_reader_init (EMailReaderInterface *interface)
 	interface->get_hide_deleted = mail_notebook_view_get_hide_deleted;
 	interface->get_message_list = mail_notebook_view_get_message_list;
 	interface->get_popup_menu = mail_notebook_view_get_popup_menu;
+	interface->get_preview_pane = mail_notebook_view_get_preview_pane;
 	interface->get_window = mail_notebook_view_get_window;
 	interface->set_folder = mail_notebook_view_set_folder;
-	interface->show_search_bar = mail_notebook_view_show_search_bar;
 	interface->open_selected_mail = mail_notebook_view_open_selected_mail;
 	interface->enable_show_folder = mail_notebook_view_enable_show_folder;
 }
@@ -1415,9 +1465,7 @@ e_mail_notebook_view_reader_init (EMailReaderInterface *interface)
 static void
 e_mail_notebook_view_init (EMailNotebookView *view)
 {
-	view->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-		view, E_TYPE_MAIL_NOTEBOOK_VIEW, EMailNotebookViewPrivate);
-
+	view->priv = E_MAIL_NOTEBOOK_VIEW_GET_PRIVATE (view);
 	view->priv->inited = FALSE;
 	view->priv->views = g_hash_table_new (g_str_hash, g_str_equal);
 }
diff --git a/mail/e-mail-paned-view.c b/mail/e-mail-paned-view.c
index 63d0c2ea0a..1634044589 100644
--- a/mail/e-mail-paned-view.c
+++ b/mail/e-mail-paned-view.c
@@ -45,6 +45,10 @@
 #include "e-mail-folder-utils.h"
 #include "e-mail-reader-utils.h"
 
+#define E_MAIL_PANED_VIEW_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_MAIL_PANED_VIEW, EMailPanedViewPrivate))
+
 #define E_SHELL_WINDOW_ACTION_GROUP_MAIL(window) \
 	E_SHELL_WINDOW_ACTION_GROUP ((window), "mail")
 
@@ -52,8 +56,7 @@ struct _EMailPanedViewPrivate {
 	GtkWidget *paned;
 	GtkWidget *scrolled_window;
 	GtkWidget *message_list;
-	GtkWidget *search_bar;
-	GtkWidget *preview;
+	GtkWidget *preview_pane;
 
 	EMFormatHTMLDisplay *formatter;
 	GalViewInstance *view_instance;
@@ -85,7 +88,9 @@ static void e_mail_paned_view_reader_init (EMailReaderInterface *interface);
 G_DEFINE_TYPE_WITH_CODE (
 	EMailPanedView, e_mail_paned_view, E_TYPE_MAIL_VIEW,
 	G_IMPLEMENT_INTERFACE (
-		E_TYPE_MAIL_READER, e_mail_paned_view_reader_init))
+		E_TYPE_MAIL_READER, e_mail_paned_view_reader_init)
+	G_IMPLEMENT_INTERFACE (
+		E_TYPE_EXTENSIBLE, NULL))
 
 static void
 mail_paned_view_save_boolean (EMailView *view,
@@ -126,7 +131,7 @@ mail_paned_view_message_list_built_cb (EMailView *view,
 	EShellWindow *shell_window;
 	GKeyFile *key_file;
 
-	priv = E_MAIL_PANED_VIEW (view)->priv;
+	priv = E_MAIL_PANED_VIEW_GET_PRIVATE (view);
 
 	g_signal_handler_disconnect (
 		message_list, priv->message_list_built_id);
@@ -326,7 +331,7 @@ mail_paned_view_dispose (GObject *object)
 {
 	EMailPanedViewPrivate *priv;
 
-	priv = E_MAIL_PANED_VIEW (object)->priv;
+	priv = E_MAIL_PANED_VIEW_GET_PRIVATE (object);
 
 	if (priv->paned != NULL) {
 		g_object_unref (priv->paned);
@@ -343,9 +348,9 @@ mail_paned_view_dispose (GObject *object)
 		priv->message_list = NULL;
 	}
 
-	if (priv->search_bar != NULL) {
-		g_object_unref (priv->search_bar);
-		priv->search_bar = NULL;
+	if (priv->preview_pane != NULL) {
+		g_object_unref (priv->preview_pane);
+		priv->preview_pane = NULL;
 	}
 
 	if (priv->formatter != NULL) {
@@ -420,11 +425,11 @@ mail_paned_view_get_backend (EMailReader *reader)
 static EMFormatHTML *
 mail_paned_view_get_formatter (EMailReader *reader)
 {
-	EMailPanedViewPrivate *priv;
+	EMailPanedView *paned_view;
 
-	priv = E_MAIL_PANED_VIEW (reader)->priv;
+	paned_view = E_MAIL_PANED_VIEW (reader);
 
-	return EM_FORMAT_HTML (priv->formatter);
+	return EM_FORMAT_HTML (paned_view->priv->formatter);
 }
 
 static gboolean
@@ -436,11 +441,11 @@ mail_paned_view_get_hide_deleted (EMailReader *reader)
 static GtkWidget *
 mail_paned_view_get_message_list (EMailReader *reader)
 {
-	EMailPanedViewPrivate *priv;
+	EMailPanedView *paned_view;
 
-	priv = E_MAIL_PANED_VIEW (reader)->priv;
+	paned_view = E_MAIL_PANED_VIEW (reader);
 
-	return priv->message_list;
+	return paned_view->priv->message_list;
 }
 
 static GtkMenu *
@@ -462,6 +467,16 @@ mail_paned_view_get_popup_menu (EMailReader *reader)
 	return GTK_MENU (widget);
 }
 
+static EPreviewPane *
+mail_paned_view_get_preview_pane (EMailReader *reader)
+{
+	EMailPanedView *paned_view;
+
+	paned_view = E_MAIL_PANED_VIEW (reader);
+
+	return E_PREVIEW_PANE (paned_view->priv->preview_pane);
+}
+
 static GtkWindow *
 mail_paned_view_get_window (EMailReader *reader)
 {
@@ -495,7 +510,7 @@ mail_paned_view_set_folder (EMailReader *reader,
 	gboolean value;
 	GError *error = NULL;
 
-	priv = E_MAIL_PANED_VIEW (reader)->priv;
+	priv = E_MAIL_PANED_VIEW_GET_PRIVATE (reader);
 
 	view = E_MAIL_VIEW (reader);
 	shell_view = e_mail_view_get_shell_view (view);
@@ -569,31 +584,28 @@ exit:
 	message_list_thaw (MESSAGE_LIST (message_list));
 }
 
-static void
-mail_paned_view_show_search_bar (EMailReader *reader)
+static guint
+mail_paned_view_reader_open_selected_mail (EMailReader *reader)
 {
-	EMailPanedViewPrivate *priv;
+	EMailPanedView *paned_view;
+	EMailPanedViewClass *class;
 
-	priv = E_MAIL_PANED_VIEW (reader)->priv;
+	paned_view = E_MAIL_PANED_VIEW (reader);
 
-	gtk_widget_show (priv->search_bar);
-}
+	class = E_MAIL_PANED_VIEW_GET_CLASS (paned_view);
+	g_return_val_if_fail (class->open_selected_mail != NULL, 0);
 
-static guint
-mail_paned_view_reader_open_selected_mail (EMailReader *reader)
-{
-	return E_MAIL_PANED_VIEW_GET_CLASS (reader)->
-		open_selected_mail (E_MAIL_PANED_VIEW (reader));
+	return class->open_selected_mail (paned_view);
 }
 
 static gboolean
 mail_paned_view_enable_show_folder (EMailReader *reader)
 {
-	EMailPanedViewPrivate *priv;
+	EMailPanedView *paned_view;
 
-	priv = E_MAIL_PANED_VIEW (reader)->priv;
+	paned_view = E_MAIL_PANED_VIEW (reader);
 
-	return priv->enable_show_folder ? TRUE : FALSE;
+	return paned_view->priv->enable_show_folder;
 }
 
 static void
@@ -613,7 +625,7 @@ mail_paned_view_constructed (GObject *object)
 	GtkWidget *widget;
 	EWebView *web_view;
 
-	priv = E_MAIL_PANED_VIEW (object)->priv;
+	priv = E_MAIL_PANED_VIEW_GET_PRIVATE (object);
 	priv->formatter = em_format_html_display_new ();
 
 	view = E_MAIL_VIEW (object);
@@ -624,11 +636,13 @@ mail_paned_view_constructed (GObject *object)
 	shell_settings = e_shell_get_shell_settings (shell);
 
 	/* Make headers collapsable and store state of headers in config file */
-	em_format_html_set_headers_collapsable (EM_FORMAT_HTML (priv->formatter), TRUE);
-	g_object_bind_property (shell_settings, "paned-view-headers-state",
-				EM_FORMAT_HTML (priv->formatter), "headers-state",
-				G_BINDING_BIDIRECTIONAL |
-				G_BINDING_SYNC_CREATE);
+	em_format_html_set_headers_collapsable (
+		EM_FORMAT_HTML (priv->formatter), TRUE);
+	g_object_bind_property (
+		shell_settings, "paned-view-headers-state",
+		priv->formatter, "headers-state",
+		G_BINDING_BIDIRECTIONAL |
+		G_BINDING_SYNC_CREATE);
 
 	web_view = em_format_html_get_web_view (
 		EM_FORMAT_HTML (priv->formatter));
@@ -671,8 +685,8 @@ mail_paned_view_constructed (GObject *object)
 	gtk_widget_show (GTK_WIDGET (web_view));
 
 	widget = e_preview_pane_new (web_view);
-	priv->preview = widget;
 	gtk_paned_pack2 (GTK_PANED (container), widget, FALSE, FALSE);
+	priv->preview_pane = g_object_ref (widget);
 	gtk_widget_show (widget);
 
 	g_object_bind_property (
@@ -681,7 +695,6 @@ mail_paned_view_constructed (GObject *object)
 		G_BINDING_SYNC_CREATE);
 
 	search_bar = e_preview_pane_get_search_bar (E_PREVIEW_PANE (widget));
-	priv->search_bar = g_object_ref (search_bar);
 
 	g_signal_connect_swapped (
 		search_bar, "changed",
@@ -716,6 +729,8 @@ mail_paned_view_constructed (GObject *object)
 	 * set_preview_visible() method relies on it. */
 	e_mail_view_set_preview_visible (view, TRUE);
 
+	e_extensible_load_extensions (E_EXTENSIBLE (object));
+
 	/* Chain up to parent's constructed() method. */
 	G_OBJECT_CLASS (e_mail_paned_view_parent_class)->constructed (object);
 }
@@ -724,13 +739,14 @@ static void
 mail_paned_view_set_search_strings (EMailView *view,
                                     GSList *search_strings)
 {
-	EMailPanedViewPrivate *priv;
+	EMailReader *reader;
+	EPreviewPane *preview_pane;
 	ESearchBar *search_bar;
 	ESearchingTokenizer *tokenizer;
 
-	priv = E_MAIL_PANED_VIEW (view)->priv;
-
-	search_bar = E_SEARCH_BAR (priv->search_bar);
+	reader = E_MAIL_READER (view);
+	preview_pane = e_mail_reader_get_preview_pane (reader);
+	search_bar = e_preview_pane_get_search_bar (preview_pane);
 	tokenizer = e_search_bar_get_tokenizer (search_bar);
 
 	e_searching_tokenizer_set_secondary_case_sensitivity (tokenizer, FALSE);
@@ -748,11 +764,11 @@ mail_paned_view_set_search_strings (EMailView *view,
 static GalViewInstance *
 mail_paned_view_get_view_instance (EMailView *view)
 {
-	EMailPanedViewPrivate *priv;
+	EMailPanedView *paned_view;
 
-	priv = E_MAIL_PANED_VIEW (view)->priv;
+	paned_view = E_MAIL_PANED_VIEW (view);
 
-	return priv->view_instance;
+	return paned_view->priv->view_instance;
 }
 
 static void
@@ -774,7 +790,7 @@ mail_paned_view_update_view_instance (EMailView *view)
 	gboolean show_vertical_view;
 	gchar *view_id;
 
-	priv = E_MAIL_PANED_VIEW (view)->priv;
+	priv = E_MAIL_PANED_VIEW_GET_PRIVATE (view);
 
 	shell_view = e_mail_view_get_shell_view (view);
 	shell_view_class = E_SHELL_VIEW_GET_CLASS (shell_view);
@@ -999,9 +1015,9 @@ e_mail_paned_view_reader_init (EMailReaderInterface *interface)
 	interface->get_hide_deleted = mail_paned_view_get_hide_deleted;
 	interface->get_message_list = mail_paned_view_get_message_list;
 	interface->get_popup_menu = mail_paned_view_get_popup_menu;
+	interface->get_preview_pane = mail_paned_view_get_preview_pane;
 	interface->get_window = mail_paned_view_get_window;
 	interface->set_folder = mail_paned_view_set_folder;
-	interface->show_search_bar = mail_paned_view_show_search_bar;
 	interface->open_selected_mail = mail_paned_view_reader_open_selected_mail;
 	interface->enable_show_folder = mail_paned_view_enable_show_folder;
 }
@@ -1009,8 +1025,7 @@ e_mail_paned_view_reader_init (EMailReaderInterface *interface)
 static void
 e_mail_paned_view_init (EMailPanedView *view)
 {
-	view->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-		view, E_TYPE_MAIL_PANED_VIEW, EMailPanedViewPrivate);
+	view->priv = E_MAIL_PANED_VIEW_GET_PRIVATE (view);
 	view->priv->enable_show_folder = FALSE;
 
 	g_signal_connect (
@@ -1041,14 +1056,6 @@ e_mail_paned_view_hide_message_list_pane (EMailPanedView *view,
 		gtk_widget_hide (view->priv->scrolled_window);
 }
 
-GtkWidget *
-e_mail_paned_view_get_preview (EMailPanedView *view)
-{
-	g_return_val_if_fail (E_IS_MAIL_PANED_VIEW (view), NULL);
-
-	return view->priv->preview;
-}
-
 void
 e_mail_paned_view_set_enable_show_folder (EMailPanedView *view,
                                           gboolean set)
diff --git a/mail/e-mail-paned-view.h b/mail/e-mail-paned-view.h
index 5e6879ae94..3226b394f1 100644
--- a/mail/e-mail-paned-view.h
+++ b/mail/e-mail-paned-view.h
@@ -71,7 +71,6 @@ GtkWidget *	e_mail_paned_view_new		(EShellView *shell_view);
 void		e_mail_paned_view_hide_message_list_pane
 						(EMailPanedView *view,
 						 gboolean visible);
-GtkWidget *	e_mail_paned_view_get_preview	(EMailPanedView *view);
 void		e_mail_paned_view_set_enable_show_folder
 						(EMailPanedView *view,
 						 gboolean set);
diff --git a/mail/e-mail-reader-utils.c b/mail/e-mail-reader-utils.c
index 725a0c6d7c..a58eb1f441 100644
--- a/mail/e-mail-reader-utils.c
+++ b/mail/e-mail-reader-utils.c
@@ -282,38 +282,6 @@ e_mail_reader_delete_folder (EMailReader *reader,
 		gtk_widget_destroy (dialog);
 }
 
-void
-e_mail_reader_mark_as_read (EMailReader *reader,
-                            const gchar *uid)
-{
-	EMailBackend *backend;
-	EMFormatHTML *formatter;
-	CamelFolder *folder;
-	guint32 mask, set;
-	guint32 flags;
-
-	g_return_if_fail (E_IS_MAIL_READER (reader));
-	g_return_if_fail (uid != NULL);
-
-	folder = e_mail_reader_get_folder (reader);
-	backend = e_mail_reader_get_backend (reader);
-	formatter = e_mail_reader_get_formatter (reader);
-
-	flags = camel_folder_get_message_flags (folder, uid);
-
-	if (!(flags & CAMEL_MESSAGE_SEEN)) {
-		CamelMimeMessage *message;
-
-		message = EM_FORMAT (formatter)->message;
-		em_utils_handle_receipt (backend, folder, uid, message);
-	}
-
-	mask = CAMEL_MESSAGE_SEEN;
-	set  = CAMEL_MESSAGE_SEEN;
-
-	camel_folder_set_message_flags (folder, uid, mask, set);
-}
-
 guint
 e_mail_reader_mark_selected (EMailReader *reader,
                              guint32 mask,
diff --git a/mail/e-mail-reader-utils.h b/mail/e-mail-reader-utils.h
index b566da16a7..bb4671ba21 100644
--- a/mail/e-mail-reader-utils.h
+++ b/mail/e-mail-reader-utils.h
@@ -39,8 +39,6 @@ struct _EMailReaderHeader {
 gboolean	e_mail_reader_confirm_delete	(EMailReader *reader);
 void		e_mail_reader_delete_folder	(EMailReader *reader,
 						 CamelFolder *folder);
-void		e_mail_reader_mark_as_read	(EMailReader *reader,
-						 const gchar *uid);
 guint		e_mail_reader_mark_selected	(EMailReader *reader,
 						 guint32 mask,
 						 guint32 set);
diff --git a/mail/e-mail-reader.c b/mail/e-mail-reader.c
index 22b1e0e7c6..27af0d2b4b 100644
--- a/mail/e-mail-reader.c
+++ b/mail/e-mail-reader.c
@@ -101,6 +101,8 @@ struct _EMailReaderPrivate {
 enum {
 	CHANGED,
 	FOLDER_LOADED,
+	MESSAGE_LOADED,
+	MESSAGE_SEEN,
 	SHOW_SEARCH_BAR,
 	UPDATE_ACTIONS,
 	SHOW_FOLDER,
@@ -1101,13 +1103,13 @@ action_mail_redirect_cb (GtkAction *action,
 	EMailReaderClosure *closure;
 	GtkWidget *message_list;
 	CamelFolder *folder;
-	const gchar *uid;
+	const gchar *message_uid;
 
 	folder = e_mail_reader_get_folder (reader);
 	message_list = e_mail_reader_get_message_list (reader);
 
-	uid = MESSAGE_LIST (message_list)->cursor_uid;
-	g_return_if_fail (uid != NULL);
+	message_uid = MESSAGE_LIST (message_list)->cursor_uid;
+	g_return_if_fail (message_uid != NULL);
 
 	/* Open the message asynchronously. */
 
@@ -1119,7 +1121,7 @@ action_mail_redirect_cb (GtkAction *action,
 	closure->reader = g_object_ref (reader);
 
 	camel_folder_get_message (
-		folder, uid, G_PRIORITY_DEFAULT,
+		folder, message_uid, G_PRIORITY_DEFAULT,
 		cancellable, (GAsyncReadyCallback)
 		mail_reader_redirect_cb, closure);
 }
@@ -2464,21 +2466,35 @@ mail_reader_key_press_cb (EMailReader *reader,
 }
 
 static gboolean
-mail_reader_message_read_cb (EMailReaderClosure *closure)
+mail_reader_message_seen_cb (EMailReaderClosure *closure)
 {
 	EMailReader *reader;
 	GtkWidget *message_list;
-	const gchar *cursor_uid;
+	EMFormatHTML *formatter;
+	CamelMimeMessage *message;
+	const gchar *current_uid;
 	const gchar *message_uid;
+	gboolean uid_is_current = TRUE;
 
 	reader = closure->reader;
 	message_uid = closure->message_uid;
 
+	formatter = e_mail_reader_get_formatter (reader);
 	message_list = e_mail_reader_get_message_list (reader);
-	cursor_uid = MESSAGE_LIST (message_list)->cursor_uid;
 
-	if (g_strcmp0 (cursor_uid, message_uid) == 0)
-		e_mail_reader_mark_as_read (reader, message_uid);
+	current_uid = EM_FORMAT (formatter)->uid;
+	uid_is_current &= (g_strcmp0 (current_uid, message_uid) == 0);
+
+	current_uid = MESSAGE_LIST (message_list)->cursor_uid;
+	uid_is_current &= (g_strcmp0 (current_uid, message_uid) == 0);
+
+	message = EM_FORMAT (formatter)->message;
+	g_return_val_if_fail (CAMEL_IS_MIME_MESSAGE (message), FALSE);
+
+	if (uid_is_current)
+		g_signal_emit (
+			reader, signals[MESSAGE_SEEN], 0,
+			message_uid, message);
 
 	return FALSE;
 }
@@ -2502,7 +2518,7 @@ schedule_timeout_mark_seen (EMailReader *reader)
 	shell_settings = e_shell_get_shell_settings (shell);
 
 	message_uid = message_list->cursor_uid;
-	if (!message_uid)
+	if (message_uid == NULL)
 		return FALSE;
 
 	schedule_timeout =
@@ -2527,7 +2543,7 @@ schedule_timeout_mark_seen (EMailReader *reader)
 
 		MESSAGE_LIST (message_list)->seen_id = g_timeout_add_full (
 			G_PRIORITY_DEFAULT, timeout_interval,
-			(GSourceFunc) mail_reader_message_read_cb,
+			(GSourceFunc) mail_reader_message_seen_cb,
 			timeout_closure, (GDestroyNotify)
 			mail_reader_closure_free);
 	}
@@ -2543,14 +2559,7 @@ mail_reader_message_loaded_cb (CamelFolder *folder,
 	EMailReader *reader;
 	EMailReaderPrivate *priv;
 	CamelMimeMessage *message = NULL;
-	EMFormatHTML *formatter;
 	GtkWidget *message_list;
-	EMailBackend *backend;
-	EShellBackend *shell_backend;
-	EShell *shell;
-	EWebView *web_view;
-	EMEvent *event;
-	EMEventTargetMessage *target;
 	const gchar *message_uid;
 	GError *error = NULL;
 
@@ -2576,8 +2585,6 @@ mail_reader_message_loaded_cb (CamelFolder *folder,
 		goto exit;
 	}
 
-	backend = e_mail_reader_get_backend (reader);
-	formatter = e_mail_reader_get_formatter (reader);
 	message_list = e_mail_reader_get_message_list (reader);
 
 	if (!message_list) {
@@ -2586,49 +2593,8 @@ mail_reader_message_loaded_cb (CamelFolder *folder,
 		goto exit;
 	}
 
-	shell_backend = E_SHELL_BACKEND (backend);
-	shell = e_shell_backend_get_shell (shell_backend);
-
-	web_view = em_format_html_get_web_view (formatter);
-
-	/** @Event: message.reading
-	 * @Title: Viewing a message
-	 * @Target: EMEventTargetMessage
-	 *
-	 * message.reading is emitted whenever a user views a message.
-	 */
-	event = em_event_peek ();
-	target = em_event_target_new_message (
-		event, folder, message, message_uid, 0, NULL);
-	e_event_emit (
-		(EEvent *) event, "message.reading",
-		(EEventTarget *) target);
-
-	/* FIXME Need to pass a GCancellable. */
-	em_format_format (
-		EM_FORMAT (formatter), folder,
-		message_uid, message, NULL);
-
-	/* Reset the shell view icon. */
-	e_shell_event (shell, "mail-icon", (gpointer) "evolution-mail");
-
-	if (MESSAGE_LIST (message_list)->seen_id > 0) {
-		g_source_remove (MESSAGE_LIST (message_list)->seen_id);
-		MESSAGE_LIST (message_list)->seen_id = 0;
-	}
-
-	/* Determine whether to mark the message as read. */
-	if (message != NULL &&
-	    !priv->restoring_message_selection &&
-	    schedule_timeout_mark_seen (reader)) {
-		g_clear_error (&error);
-	} else if (error != NULL) {
-		e_alert_submit (
-			E_ALERT_SINK (web_view),
-			"mail:no-retrieve-message",
-			error->message, NULL);
-		g_error_free (error);
-	}
+	g_signal_emit (
+		reader, signals[MESSAGE_LOADED], 0, message_uid, message);
 
 exit:
 	priv->restoring_message_selection = FALSE;
@@ -2645,7 +2611,7 @@ mail_reader_message_selected_timeout_cb (EMailReader *reader)
 	EMailReaderPrivate *priv;
 	EMFormatHTML *formatter;
 	GtkWidget *message_list;
-	EWebView *web_view;
+	EPreviewPane *preview_pane;
 	CamelFolder *folder;
 	const gchar *cursor_uid;
 	const gchar *format_uid;
@@ -2656,30 +2622,32 @@ mail_reader_message_selected_timeout_cb (EMailReader *reader)
 
 	formatter = e_mail_reader_get_formatter (reader);
 	message_list = e_mail_reader_get_message_list (reader);
+	preview_pane = e_mail_reader_get_preview_pane (reader);
 
 	cursor_uid = MESSAGE_LIST (message_list)->cursor_uid;
 	format_uid = EM_FORMAT (formatter)->uid;
 
-	web_view = em_format_html_get_web_view (formatter);
+	e_preview_pane_clear_alerts (preview_pane);
 
 	if (MESSAGE_LIST (message_list)->last_sel_single) {
-		GtkWidget *widget;
-		gboolean web_view_visible;
+		gboolean preview_visible;
 		gboolean selected_uid_changed;
 
 		/* Decide whether to download the full message now. */
 
-		widget = GTK_WIDGET (web_view);
-
-		web_view_visible = gtk_widget_get_mapped (widget);
+		preview_visible =
+			gtk_widget_get_mapped (GTK_WIDGET (preview_pane));
 		selected_uid_changed = g_strcmp0 (cursor_uid, format_uid);
 
-		if (web_view_visible && selected_uid_changed) {
+		if (preview_visible && selected_uid_changed) {
 			EMailReaderClosure *closure;
 			GCancellable *cancellable;
 			EActivity *activity;
+			EWebView *web_view;
 			gchar *string;
 
+			web_view = e_preview_pane_get_web_view (preview_pane);
+
 			string = g_strdup_printf (
 				_("Retrieving message '%s'"), cursor_uid);
 #if HAVE_CLUTTER
@@ -2721,7 +2689,7 @@ mail_reader_message_selected_timeout_cb (EMailReader *reader)
 
 static void
 mail_reader_message_selected_cb (EMailReader *reader,
-                                 const gchar *uid)
+                                 const gchar *message_uid)
 {
 	EMailReaderPrivate *priv;
 	MessageList *message_list;
@@ -2773,7 +2741,7 @@ mail_reader_message_cursor_change_cb (EMailReader *reader)
 	message_list = MESSAGE_LIST (e_mail_reader_get_message_list (reader));
 	g_return_if_fail (message_list != NULL);
 
-	if (!message_list->seen_id &&
+	if (message_list->seen_id == 0 &&
 	    E_IS_MAIL_VIEW (reader) &&
 	    e_mail_view_get_preview_visible (E_MAIL_VIEW (reader)))
 		schedule_timeout_mark_seen (reader);
@@ -2785,6 +2753,16 @@ mail_reader_emit_folder_loaded (EMailReader *reader)
 	g_signal_emit (reader, signals[FOLDER_LOADED], 0);
 }
 
+static EAlertSink *
+mail_reader_get_alert_sink (EMailReader *reader)
+{
+	EPreviewPane *preview_pane;
+
+	preview_pane = e_mail_reader_get_preview_pane (reader);
+
+	return E_ALERT_SINK (preview_pane);
+}
+
 static GPtrArray *
 mail_reader_get_selected_uids (EMailReader *reader)
 {
@@ -2859,13 +2837,14 @@ mail_reader_set_folder (EMailReader *reader,
 
 static void
 mail_reader_set_message (EMailReader *reader,
-                         const gchar *uid)
+                         const gchar *message_uid)
 {
 	GtkWidget *message_list;
 
 	message_list = e_mail_reader_get_message_list (reader);
 
-	message_list_select_uid (MESSAGE_LIST (message_list), uid, FALSE);
+	message_list_select_uid (
+		MESSAGE_LIST (message_list), message_uid, FALSE);
 }
 
 static void
@@ -2878,6 +2857,101 @@ mail_reader_folder_loaded (EMailReader *reader)
 }
 
 static void
+mail_reader_message_loaded (EMailReader *reader,
+                            const gchar *message_uid,
+                            CamelMimeMessage *message)
+{
+	EMailReaderPrivate *priv;
+	EMFormatHTML *formatter;
+	GtkWidget *message_list;
+	EMailBackend *backend;
+	CamelFolder *folder;
+	EWebView *web_view;
+	EPreviewPane *preview_pane;
+	EShellBackend *shell_backend;
+	EShell *shell;
+	EMEvent *event;
+	EMEventTargetMessage *target;
+	GError *error = NULL;
+
+	priv = E_MAIL_READER_GET_PRIVATE (reader);
+
+	folder = e_mail_reader_get_folder (reader);
+	backend = e_mail_reader_get_backend (reader);
+	formatter = e_mail_reader_get_formatter (reader);
+	message_list = e_mail_reader_get_message_list (reader);
+	preview_pane = e_mail_reader_get_preview_pane (reader);
+
+	shell_backend = E_SHELL_BACKEND (backend);
+	shell = e_shell_backend_get_shell (shell_backend);
+
+	web_view = e_preview_pane_get_web_view (preview_pane);
+
+	/** @Event: message.reading
+	 * @Title: Viewing a message
+	 * @Target: EMEventTargetMessage
+	 *
+	 * message.reading is emitted whenever a user views a message.
+	 */
+	event = em_event_peek ();
+	target = em_event_target_new_message (
+		event, folder, message, message_uid, 0, NULL);
+	e_event_emit (
+		(EEvent *) event, "message.reading",
+		(EEventTarget *) target);
+
+	/* FIXME Need to pass a GCancellable. */
+	em_format_format (
+		EM_FORMAT (formatter), folder,
+		message_uid, message, NULL);
+
+	/* Reset the shell view icon. */
+	e_shell_event (shell, "mail-icon", (gpointer) "evolution-mail");
+
+	if (MESSAGE_LIST (message_list)->seen_id > 0) {
+		g_source_remove (MESSAGE_LIST (message_list)->seen_id);
+		MESSAGE_LIST (message_list)->seen_id = 0;
+	}
+
+	/* Determine whether to mark the message as read. */
+	if (message != NULL &&
+	    !priv->restoring_message_selection &&
+	    schedule_timeout_mark_seen (reader)) {
+		g_clear_error (&error);
+	} else if (error != NULL) {
+		e_alert_submit (
+			E_ALERT_SINK (web_view),
+			"mail:no-retrieve-message",
+			error->message, NULL);
+		g_error_free (error);
+	}
+}
+
+static void
+mail_reader_message_seen (EMailReader *reader,
+                          const gchar *message_uid,
+                          CamelMimeMessage *message)
+{
+	CamelFolder *folder;
+	guint32 mask, set;
+
+	mask = CAMEL_MESSAGE_SEEN;
+	set  = CAMEL_MESSAGE_SEEN;
+
+	folder = e_mail_reader_get_folder (reader);
+	camel_folder_set_message_flags (folder, message_uid, mask, set);
+}
+
+static void
+mail_reader_show_search_bar (EMailReader *reader)
+{
+	EPreviewPane *preview_pane;
+
+	preview_pane = e_mail_reader_get_preview_pane (reader);
+	e_preview_pane_show_search_bar (preview_pane);
+}
+
+static void
 mail_reader_update_actions (EMailReader *reader,
                             guint32 state)
 {
@@ -3303,6 +3377,7 @@ e_mail_reader_default_init (EMailReaderInterface *interface)
 {
 	quark_private = g_quark_from_static_string ("e-mail-reader-private");
 
+	interface->get_alert_sink = mail_reader_get_alert_sink;
 	interface->get_selected_uids = mail_reader_get_selected_uids;
 	interface->get_folder = mail_reader_get_folder;
 	interface->enable_show_folder = mail_reader_get_enable_show_folder;
@@ -3310,6 +3385,9 @@ e_mail_reader_default_init (EMailReaderInterface *interface)
 	interface->set_message = mail_reader_set_message;
 	interface->open_selected_mail = e_mail_reader_open_selected;
 	interface->folder_loaded = mail_reader_folder_loaded;
+	interface->message_loaded = mail_reader_message_loaded;
+	interface->message_seen = mail_reader_message_seen;
+	interface->show_search_bar = mail_reader_show_search_bar;
 	interface->update_actions = mail_reader_update_actions;
 
 	g_object_interface_install_property (
@@ -3358,6 +3436,28 @@ e_mail_reader_default_init (EMailReaderInterface *interface)
 		g_cclosure_marshal_VOID__VOID,
 		G_TYPE_NONE, 0);
 
+	signals[MESSAGE_LOADED] = g_signal_new (
+		"message-loaded",
+		G_OBJECT_CLASS_TYPE (interface),
+		G_SIGNAL_RUN_LAST,
+		G_STRUCT_OFFSET (EMailReaderInterface, message_loaded),
+		NULL, NULL,
+		e_marshal_VOID__STRING_OBJECT,
+		G_TYPE_NONE, 2,
+		G_TYPE_STRING,
+		CAMEL_TYPE_MIME_MESSAGE);
+
+	signals[MESSAGE_SEEN] = g_signal_new (
+		"message-seen",
+		G_OBJECT_CLASS_TYPE (interface),
+		G_SIGNAL_RUN_LAST,
+		G_STRUCT_OFFSET (EMailReaderInterface, message_seen),
+		NULL, NULL,
+		e_marshal_VOID__STRING_OBJECT,
+		G_TYPE_NONE, 2,
+		G_TYPE_STRING,
+		CAMEL_TYPE_MIME_MESSAGE);
+
 	signals[SHOW_SEARCH_BAR] = g_signal_new (
 		"show-search-bar",
 		G_OBJECT_CLASS_TYPE (interface),
@@ -4013,6 +4113,19 @@ e_mail_reader_get_popup_menu (EMailReader *reader)
 	return interface->get_popup_menu (reader);
 }
 
+EPreviewPane *
+e_mail_reader_get_preview_pane (EMailReader *reader)
+{
+	EMailReaderInterface *interface;
+
+	g_return_val_if_fail (E_IS_MAIL_READER (reader), NULL);
+
+	interface = E_MAIL_READER_GET_INTERFACE (reader);
+	g_return_val_if_fail (interface->get_preview_pane != NULL, NULL);
+
+	return interface->get_preview_pane (reader);
+}
+
 GPtrArray *
 e_mail_reader_get_selected_uids (EMailReader *reader)
 {
@@ -4068,7 +4181,7 @@ e_mail_reader_set_folder (EMailReader *reader,
 
 void
 e_mail_reader_set_message (EMailReader *reader,
-                           const gchar *uid)
+                           const gchar *message_uid)
 {
 	EMailReaderInterface *interface;
 
@@ -4077,7 +4190,7 @@ e_mail_reader_set_message (EMailReader *reader,
 	interface = E_MAIL_READER_GET_INTERFACE (reader);
 	g_return_if_fail (interface->set_message != NULL);
 
-	interface->set_message (reader, uid);
+	interface->set_message (reader, message_uid);
 }
 
 guint
diff --git a/mail/e-mail-reader.h b/mail/e-mail-reader.h
index 331837da55..9e362631cc 100644
--- a/mail/e-mail-reader.h
+++ b/mail/e-mail-reader.h
@@ -32,6 +32,7 @@
 #include <e-util/e-alert-sink.h>
 #include <mail/e-mail-backend.h>
 #include <mail/em-format-html.h>
+#include <misc/e-preview-pane.h>
 
 /* Standard GObject macros */
 #define E_TYPE_MAIL_READER \
@@ -99,6 +100,7 @@ struct _EMailReaderInterface {
 	gboolean	(*get_hide_deleted)	(EMailReader *reader);
 	GtkWidget *	(*get_message_list)	(EMailReader *reader);
 	GtkMenu *	(*get_popup_menu)	(EMailReader *reader);
+	EPreviewPane *	(*get_preview_pane)	(EMailReader *reader);
 	GPtrArray *	(*get_selected_uids)	(EMailReader *reader);
 	GtkWindow *	(*get_window)		(EMailReader *reader);
 
@@ -106,12 +108,18 @@ struct _EMailReaderInterface {
 	void		(*set_folder)		(EMailReader *reader,
 						 CamelFolder *folder);
 	void		(*set_message)		(EMailReader *reader,
-						 const gchar *uid);
+						 const gchar *message_uid);
 	guint		(*open_selected_mail)	(EMailReader *reader);
 	gboolean	(*enable_show_folder)	(EMailReader *reader);
 
 	/* Signals */
 	void		(*folder_loaded)	(EMailReader *reader);
+	void		(*message_loaded)	(EMailReader *reader,
+						 const gchar *message_uid,
+						 CamelMimeMessage *message);
+	void		(*message_seen)		(EMailReader *reader,
+						 const gchar *message_uid,
+						 CamelMimeMessage *message);
 	void		(*show_search_bar)	(EMailReader *reader);
 	void		(*update_actions)	(EMailReader *reader,
 						 guint32 state);
@@ -139,13 +147,14 @@ GtkWidget *	e_mail_reader_get_message_list	(EMailReader *reader);
 guint		e_mail_reader_open_selected_mail
 						(EMailReader *reader);
 GtkMenu *	e_mail_reader_get_popup_menu	(EMailReader *reader);
+EPreviewPane *	e_mail_reader_get_preview_pane	(EMailReader *reader);
 GPtrArray *	e_mail_reader_get_selected_uids	(EMailReader *reader);
 GtkWindow *	e_mail_reader_get_window	(EMailReader *reader);
 CamelFolder *	e_mail_reader_get_folder	(EMailReader *reader);
 void		e_mail_reader_set_folder	(EMailReader *reader,
 						 CamelFolder *folder);
 void		e_mail_reader_set_message	(EMailReader *reader,
-						 const gchar *uid);
+						 const gchar *message_uid);
 EMailForwardStyle
 		e_mail_reader_get_forward_style	(EMailReader *reader);
 void		e_mail_reader_set_forward_style	(EMailReader *reader,
diff --git a/mail/e-mail-tab-picker.c b/mail/e-mail-tab-picker.c
index cc257284dc..8732d4a9c1 100644
--- a/mail/e-mail-tab-picker.c
+++ b/mail/e-mail-tab-picker.c
@@ -22,6 +22,10 @@
 
 #include "e-mail-tab-picker.h"
 
+#define E_MAIL_TAB_PICKER_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_MAIL_TAB_PICKER, EMailTabPickerPrivate))
+
 static void mx_droppable_iface_init (MxDroppableIface *iface);
 static gint e_mail_tab_picker_find_tab_cb (gconstpointer a, gconstpointer b);
 
@@ -277,8 +281,9 @@ e_mail_tab_picker_paint (ClutterActor *actor)
 {
 	GList *t;
 	gfloat width, height, offset;
+	EMailTabPickerPrivate *priv;
 
-	EMailTabPickerPrivate *priv = E_MAIL_TAB_PICKER (actor)->priv;
+	priv = E_MAIL_TAB_PICKER_GET_PRIVATE (actor);
 
 	CLUTTER_ACTOR_CLASS (e_mail_tab_picker_parent_class)->paint (actor);
 
@@ -346,7 +351,9 @@ static void
 e_mail_tab_picker_pick (ClutterActor *actor,
                         const ClutterColor *color)
 {
-	EMailTabPickerPrivate *priv = E_MAIL_TAB_PICKER (actor)->priv;
+	EMailTabPickerPrivate *priv;
+
+	priv = E_MAIL_TAB_PICKER_GET_PRIVATE (actor);
 
 	/* Chain up to paint background */
 	CLUTTER_ACTOR_CLASS (e_mail_tab_picker_parent_class)->pick (actor, color);
@@ -363,8 +370,9 @@ e_mail_tab_picker_get_preferred_width (ClutterActor *actor,
 {
 	GList *t;
 	MxPadding padding;
+	EMailTabPickerPrivate *priv;
 
-	EMailTabPickerPrivate *priv = E_MAIL_TAB_PICKER (actor)->priv;
+	priv = E_MAIL_TAB_PICKER_GET_PRIVATE (actor);
 
 	clutter_actor_get_preferred_width (
 		CLUTTER_ACTOR (priv->chooser_button),
@@ -740,7 +748,9 @@ static void
 e_mail_tab_picker_map (ClutterActor *actor)
 {
 	GList *t;
-	EMailTabPickerPrivate *priv = E_MAIL_TAB_PICKER (actor)->priv;
+	EMailTabPickerPrivate *priv;
+
+	priv = E_MAIL_TAB_PICKER_GET_PRIVATE (actor);
 
 	CLUTTER_ACTOR_CLASS (e_mail_tab_picker_parent_class)->map (actor);
 
@@ -758,7 +768,9 @@ static void
 e_mail_tab_picker_unmap (ClutterActor *actor)
 {
 	GList *t;
-	EMailTabPickerPrivate *priv = E_MAIL_TAB_PICKER (actor)->priv;
+	EMailTabPickerPrivate *priv;
+
+	priv = E_MAIL_TAB_PICKER_GET_PRIVATE (actor);
 
 	CLUTTER_ACTOR_CLASS (e_mail_tab_picker_parent_class)->unmap (actor);
 
@@ -817,7 +829,7 @@ e_mail_tab_picker_class_init (EMailTabPickerClass *class)
 		NULL, NULL,
 		g_cclosure_marshal_VOID__OBJECT,
 		G_TYPE_NONE, 1,
-		E_MAIL_TYPE_TAB);
+		E_TYPE_MAIL_TAB);
 
 	signals[CHOOSER_CLICKED] = g_signal_new (
 		"chooser-clicked",
@@ -831,9 +843,9 @@ e_mail_tab_picker_class_init (EMailTabPickerClass *class)
 
 static void
 e_mail_tab_picker_chooser_clicked_cb (ClutterActor *button,
-                                      EMailTabPicker *self)
+                                      EMailTabPicker *picker)
 {
-	g_signal_emit (self, signals[CHOOSER_CLICKED], 0);
+	g_signal_emit (picker, signals[CHOOSER_CLICKED], 0);
 }
 
 static gboolean
@@ -841,8 +853,8 @@ e_mail_tab_picker_scroll_event_cb (ClutterActor *actor,
                                    ClutterScrollEvent *event,
                                    gpointer user_data)
 {
-	EMailTabPicker *self = E_MAIL_TAB_PICKER (actor);
-	EMailTabPickerPrivate *priv = self->priv;
+	EMailTabPicker *picker = E_MAIL_TAB_PICKER (actor);
+	EMailTabPickerPrivate *priv = picker->priv;
 
 	priv->keep_current_visible = FALSE;
 
@@ -850,13 +862,13 @@ e_mail_tab_picker_scroll_event_cb (ClutterActor *actor,
 		case CLUTTER_SCROLL_UP :
 		case CLUTTER_SCROLL_LEFT :
 			e_mail_tab_picker_scroll_to (
-				self, priv->scroll_end - 200, 150);
+				picker, priv->scroll_end - 200, 150);
 			break;
 
 		case CLUTTER_SCROLL_DOWN :
 		case CLUTTER_SCROLL_RIGHT :
 			e_mail_tab_picker_scroll_to (
-				self, priv->scroll_end + 200, 150);
+				picker, priv->scroll_end + 200, 150);
 			break;
 	}
 
@@ -879,45 +891,48 @@ e_mail_tab_picker_scroll_value_cb (MxAdjustment *adjustment,
 }
 
 static void
-e_mail_tab_picker_init (EMailTabPicker *self)
+e_mail_tab_picker_init (EMailTabPicker *picker)
 {
-	EMailTabPickerPrivate *priv;
-
-	priv = self->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-		self, E_MAIL_TYPE_TAB_PICKER, EMailTabPickerPrivate);
+	picker->priv = E_MAIL_TAB_PICKER_GET_PRIVATE (picker);
 
-	clutter_actor_set_reactive (CLUTTER_ACTOR (self), TRUE);
+	clutter_actor_set_reactive (CLUTTER_ACTOR (picker), TRUE);
 
-	priv->chooser_button = mx_button_new ();
+	picker->priv->chooser_button = mx_button_new ();
 	clutter_actor_set_name (
-		CLUTTER_ACTOR (priv->chooser_button), "chooser-button");
+		CLUTTER_ACTOR (picker->priv->chooser_button),
+		"chooser-button");
 	clutter_actor_set_parent (
-		CLUTTER_ACTOR (priv->chooser_button), CLUTTER_ACTOR (self));
+		CLUTTER_ACTOR (picker->priv->chooser_button),
+		CLUTTER_ACTOR (picker));
 
-	priv->close_button = mx_button_new ();
+	picker->priv->close_button = mx_button_new ();
 	clutter_actor_set_name (
-		CLUTTER_ACTOR (priv->close_button), "chooser-close-button");
+		CLUTTER_ACTOR (picker->priv->close_button),
+		"chooser-close-button");
 	clutter_actor_set_parent (
-		CLUTTER_ACTOR (priv->close_button), CLUTTER_ACTOR (self));
-	clutter_actor_hide (CLUTTER_ACTOR (priv->close_button));
+		CLUTTER_ACTOR (picker->priv->close_button),
+		CLUTTER_ACTOR (picker));
+	clutter_actor_hide (CLUTTER_ACTOR (picker->priv->close_button));
 
-	priv->scroll_adjustment =
+	picker->priv->scroll_adjustment =
 		mx_adjustment_new_with_values (0, 0, 0, 100, 200, 200);
-	priv->scroll_bar =
-		mx_scroll_bar_new_with_adjustment (priv->scroll_adjustment);
-	g_object_unref (priv->scroll_adjustment);
+	picker->priv->scroll_bar =
+		mx_scroll_bar_new_with_adjustment (
+		picker->priv->scroll_adjustment);
+	g_object_unref (picker->priv->scroll_adjustment);
 	clutter_actor_set_parent (
-		CLUTTER_ACTOR (priv->scroll_bar), CLUTTER_ACTOR (self));
-	clutter_actor_hide (CLUTTER_ACTOR (priv->scroll_bar));
+		CLUTTER_ACTOR (picker->priv->scroll_bar),
+		CLUTTER_ACTOR (picker));
+	clutter_actor_hide (CLUTTER_ACTOR (picker->priv->scroll_bar));
 
 	g_signal_connect (
-		priv->chooser_button, "clicked",
-		G_CALLBACK (e_mail_tab_picker_chooser_clicked_cb), self);
+		picker->priv->chooser_button, "clicked",
+		G_CALLBACK (e_mail_tab_picker_chooser_clicked_cb), picker);
 	g_signal_connect (
-		priv->close_button, "clicked",
-		G_CALLBACK (e_mail_tab_picker_chooser_clicked_cb), self);
+		picker->priv->close_button, "clicked",
+		G_CALLBACK (e_mail_tab_picker_chooser_clicked_cb), picker);
 	g_signal_connect (
-		self, "scroll-event",
+		picker, "scroll-event",
 		G_CALLBACK (e_mail_tab_picker_scroll_event_cb), NULL);
 }
 
@@ -933,9 +948,9 @@ e_mail_tab_picker_find_tab_cb (gconstpointer a,
 
 static void
 e_mail_tab_picker_tab_clicked_cb (EMailTab *tab,
-                                  EMailTabPicker *self)
+                                  EMailTabPicker *picker)
 {
-	EMailTabPickerPrivate *priv = self->priv;
+	EMailTabPickerPrivate *priv = picker->priv;
 	EMailTab *old_tab;
 	GList *new_tab_link;
 
@@ -953,7 +968,7 @@ e_mail_tab_picker_tab_clicked_cb (EMailTab *tab,
 	if (tab == old_tab) {
 		e_mail_tab_set_active (tab, TRUE);
 		if (priv->preview_mode)
-			g_signal_emit (self, signals[TAB_ACTIVATED], 0, tab);
+			g_signal_emit (picker, signals[TAB_ACTIVATED], 0, tab);
 		return;
 	}
 
@@ -962,13 +977,13 @@ e_mail_tab_picker_tab_clicked_cb (EMailTab *tab,
 
 	/* Set new tab */
 	priv->current_tab = g_list_position (priv->tabs, new_tab_link);
-	g_signal_emit (self, signals[TAB_ACTIVATED], 0, tab);
+	g_signal_emit (picker, signals[TAB_ACTIVATED], 0, tab);
 }
 
 ClutterActor *
 e_mail_tab_picker_new (void)
 {
-	return g_object_new (E_MAIL_TYPE_TAB_PICKER, NULL);
+	return g_object_new (E_TYPE_MAIL_TAB_PICKER, NULL);
 }
 
 static void
diff --git a/mail/e-mail-tab-picker.h b/mail/e-mail-tab-picker.h
index 5d6ae61182..56a9b4ac43 100644
--- a/mail/e-mail-tab-picker.h
+++ b/mail/e-mail-tab-picker.h
@@ -16,95 +16,90 @@
  * Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#ifndef _E_MAIL_TAB_PICKER_H
-#define _E_MAIL_TAB_PICKER_H
+#ifndef E_MAIL_TAB_PICKER_H
+#define E_MAIL_TAB_PICKER_H
 
 #include <clutter/clutter.h>
 #include <mx/mx.h>
 #include "e-mail-tab.h"
 
-G_BEGIN_DECLS
-
-#define E_MAIL_TYPE_TAB_PICKER e_mail_tab_picker_get_type()
-
+/* Standard GObject macros */
+#define E_TYPE_MAIL_TAB_PICKER \
+	(e_mail_tab_picker_get_type ())
 #define E_MAIL_TAB_PICKER(obj) \
-  (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
-  E_MAIL_TYPE_TAB_PICKER, EMailTabPicker))
-
-#define E_MAIL_TAB_PICKER_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_CAST ((klass), \
-  E_MAIL_TYPE_TAB_PICKER, EMailTabPickerClass))
-
+	(G_TYPE_CHECK_INSTANCE_CAST \
+	((obj), E_TYPE_MAIL_TAB_PICKER, EMailTabPicker))
+#define E_MAIL_TAB_PICKER_CLASS(cls) \
+	(G_TYPE_CHECK_CLASS_CAST \
+	((cls), E_TYPE_MAIL_TAB_PICKER, EMailTabPickerClass))
 #define E_MAIL_IS_TAB_PICKER(obj) \
-  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
-  E_MAIL_TYPE_TAB_PICKER))
-
-#define E_MAIL_IS_TAB_PICKER_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_TYPE ((klass), \
-  E_MAIL_TYPE_TAB_PICKER))
-
+	(G_TYPE_CHECK_INSTANCE_TYPE \
+	((obj), E_TYPE_MAIL_TAB_PICKER))
+#define E_MAIL_IS_TAB_PICKER_CLASS(cls) \
+	(G_TYPE_CHECK_CLASS_TYPE \
+	((cls), E_TYPE_MAIL_TAB_PICKER))
 #define E_MAIL_TAB_PICKER_GET_CLASS(obj) \
-  (G_TYPE_INSTANCE_GET_CLASS ((obj), \
-  E_MAIL_TYPE_TAB_PICKER, EMailTabPickerClass))
-
-typedef struct _EMailTabPickerPrivate EMailTabPickerPrivate;
-
-typedef struct {
-  MxWidget parent;
-
-  EMailTabPickerPrivate *priv;
-} EMailTabPicker;
-
-typedef struct {
-  MxWidgetClass parent_class;
-
-  void (* tab_activated)   (EMailTabPicker *picker, EMailTab *tab);
-  void (* chooser_clicked) (EMailTabPicker *picker);
-} EMailTabPickerClass;
-
-GType e_mail_tab_picker_get_type (void);
-
-ClutterActor *e_mail_tab_picker_new (void);
+	(G_TYPE_INSTANCE_GET_CLASS \
+	((obj), E_TYPE_MAIL_TAB_PICKER, EMailTabPickerClass))
 
-void e_mail_tab_picker_add_tab (EMailTabPicker *picker, EMailTab *tab, gint position);
-
-void e_mail_tab_picker_remove_tab (EMailTabPicker *picker, EMailTab *tab);
-
-GList *e_mail_tab_picker_get_tabs (EMailTabPicker *picker);
-
-gint e_mail_tab_picker_get_n_tabs (EMailTabPicker *picker);
-
-EMailTab *e_mail_tab_picker_get_tab (EMailTabPicker *picker, gint tab);
-
-gint e_mail_tab_picker_get_tab_no (EMailTabPicker *picker, EMailTab *tab);
-
-gint e_mail_tab_picker_get_current_tab (EMailTabPicker *picker);
-
-void e_mail_tab_picker_set_current_tab (EMailTabPicker *picker, gint tab);
-
-void e_mail_tab_picker_reorder (EMailTabPicker *picker,
-                             gint          old_position,
-                             gint          new_position);
-
-void e_mail_tab_picker_set_tab_width (EMailTabPicker *picker,
-                                   gint          width);
-
-gint e_mail_tab_picker_get_tab_width (EMailTabPicker *picker);
-
-void
-e_mail_tab_picker_get_preferred_height (EMailTabPicker *tab_picker,
-                                     gfloat        for_width,
-                                     gfloat       *min_height_p,
-                                     gfloat       *natural_height_p,
-                                     gboolean      with_previews);
-
-void e_mail_tab_picker_set_preview_mode (EMailTabPicker *picker, gboolean preview);
+G_BEGIN_DECLS
 
-gboolean e_mail_tab_picker_get_preview_mode (EMailTabPicker *picker);
+typedef struct _EMailTabPicker EMailTabPicker;
+typedef struct _EMailTabPickerClass EMailTabPickerClass;
+typedef struct _EMailTabPickerPrivate EMailTabPickerPrivate;
 
-void e_mail_tab_picker_enable_drop (EMailTabPicker *picker, gboolean enable);
+struct _EMailTabPicker {
+	MxWidget parent;
+	EMailTabPickerPrivate *priv;
+};
+
+struct _EMailTabPickerClass {
+	MxWidgetClass parent_class;
+
+	void		(*tab_activated)	(EMailTabPicker *picker,
+						 EMailTab *tab);
+	void		(*chooser_clicked)	(EMailTabPicker *picker);
+};
+
+GType		e_mail_tab_picker_get_type	(void) G_GNUC_CONST;
+ClutterActor *	e_mail_tab_picker_new		(void);
+void		e_mail_tab_picker_add_tab	(EMailTabPicker *picker,
+						 EMailTab *tab,
+						 gint position);
+void		e_mail_tab_picker_remove_tab	(EMailTabPicker *picker,
+						 EMailTab *tab);
+GList *		e_mail_tab_picker_get_tabs	(EMailTabPicker *picker);
+gint		e_mail_tab_picker_get_n_tabs	(EMailTabPicker *picker);
+EMailTab *	e_mail_tab_picker_get_tab	(EMailTabPicker *picker,
+						 gint tab);
+gint		e_mail_tab_picker_get_tab_no	(EMailTabPicker *picker,
+						 EMailTab *tab);
+gint		e_mail_tab_picker_get_current_tab
+						(EMailTabPicker *picker);
+void		e_mail_tab_picker_set_current_tab
+						(EMailTabPicker *picker,
+						 gint tab);
+void		e_mail_tab_picker_reorder	(EMailTabPicker *picker,
+						 gint old_position,
+						 gint new_position);
+void		e_mail_tab_picker_set_tab_width	(EMailTabPicker *picker,
+						 gint width);
+gint		e_mail_tab_picker_get_tab_width	(EMailTabPicker *picker);
+void		e_mail_tab_picker_get_preferred_height
+						(EMailTabPicker *tab_picker,
+						 gfloat for_width,
+						 gfloat *min_height_p,
+						 gfloat *natural_height_p,
+						 gboolean with_previews);
+void		e_mail_tab_picker_set_preview_mode
+						(EMailTabPicker *picker,
+						 gboolean preview);
+gboolean	e_mail_tab_picker_get_preview_mode
+						(EMailTabPicker *picker);
+void		e_mail_tab_picker_enable_drop	(EMailTabPicker *picker,
+						 gboolean enable);
 
 G_END_DECLS
 
-#endif /* _E_MAIL_TAB_PICKER_H */
+#endif /* E_MAIL_TAB_PICKER_H */
 
diff --git a/mail/e-mail-tab.c b/mail/e-mail-tab.c
index cb461c28f3..b50b14fe2b 100644
--- a/mail/e-mail-tab.c
+++ b/mail/e-mail-tab.c
@@ -25,6 +25,10 @@
 #include <gtk/gtk.h>
 #include "e-mail-tab.h"
 
+#define E_MAIL_TAB_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_MAIL_TAB, EMailTabPrivate))
+
 #define E_MAIL_PIXBOUND(u) ((gfloat)((gint)(u)))
 
 static void mx_draggable_iface_init (MxDraggableIface *iface);
@@ -115,13 +119,13 @@ e_mail_tab_drag_begin (MxDraggable *draggable,
                        gint event_button,
                        ClutterModifierType modifiers)
 {
-	gfloat x, y;
-
-	EMailTabPrivate *priv = E_MAIL_TAB (draggable)->priv;
+	EMailTabPrivate *priv;
 	ClutterActor *self = CLUTTER_ACTOR (draggable);
 	ClutterActor *actor = mx_draggable_get_drag_actor (draggable);
 	ClutterActor *stage = clutter_actor_get_stage (self);
+	gfloat x, y;
 
+	priv = E_MAIL_TAB_GET_PRIVATE (draggable);
 	priv->in_drag = TRUE;
 
 	clutter_actor_get_transformed_position (self, &x, &y);
@@ -489,8 +493,10 @@ e_mail_tab_get_preferred_width (ClutterActor *actor,
                                 gfloat *min_width_p,
                                 gfloat *natural_width_p)
 {
+	EMailTabPrivate *priv;
 	MxPadding padding;
-	EMailTabPrivate *priv = E_MAIL_TAB (actor)->priv;
+
+	priv = E_MAIL_TAB_GET_PRIVATE (actor);
 
 	/* Get padding */
 	mx_widget_get_padding (MX_WIDGET (actor), &padding);
@@ -658,6 +664,7 @@ e_mail_tab_allocate (ClutterActor *actor,
                      const ClutterActorBox *box,
                      ClutterAllocationFlags flags)
 {
+	EMailTabPrivate *priv;
 	MxPadding padding;
 	ClutterActorBox child_box;
 	gfloat icon_width, icon_height;
@@ -665,7 +672,7 @@ e_mail_tab_allocate (ClutterActor *actor,
 	gfloat close_width, close_height;
 	gfloat preview_width, preview_height;
 
-	EMailTabPrivate *priv = E_MAIL_TAB (actor)->priv;
+	priv = E_MAIL_TAB_GET_PRIVATE (actor);
 
 	/* Chain up to store box */
 	CLUTTER_ACTOR_CLASS (e_mail_tab_parent_class)->allocate (actor, box, flags);
@@ -815,7 +822,9 @@ e_mail_tab_allocate (ClutterActor *actor,
 static void
 e_mail_tab_paint (ClutterActor *actor)
 {
-	EMailTabPrivate *priv = E_MAIL_TAB (actor)->priv;
+	EMailTabPrivate *priv;
+
+	priv = E_MAIL_TAB_GET_PRIVATE (actor);
 
 	/* Chain up to paint background */
 	CLUTTER_ACTOR_CLASS (e_mail_tab_parent_class)->paint (actor);
@@ -848,7 +857,9 @@ e_mail_tab_pick (ClutterActor *actor,
 static void
 e_mail_tab_map (ClutterActor *actor)
 {
-	EMailTabPrivate *priv = E_MAIL_TAB (actor)->priv;
+	EMailTabPrivate *priv;
+
+	priv = E_MAIL_TAB_GET_PRIVATE (actor);
 
 	CLUTTER_ACTOR_CLASS (e_mail_tab_parent_class)->map (actor);
 
@@ -866,7 +877,9 @@ e_mail_tab_map (ClutterActor *actor)
 static void
 e_mail_tab_unmap (ClutterActor *actor)
 {
-	EMailTabPrivate *priv = E_MAIL_TAB (actor)->priv;
+	EMailTabPrivate *priv;
+
+	priv = E_MAIL_TAB_GET_PRIVATE (actor);
 
 	CLUTTER_ACTOR_CLASS (e_mail_tab_parent_class)->unmap (actor);
 
@@ -885,7 +898,9 @@ static gboolean
 e_mail_tab_button_press_event (ClutterActor *actor,
                                ClutterButtonEvent *event)
 {
-	EMailTabPrivate *priv = E_MAIL_TAB (actor)->priv;
+	EMailTabPrivate *priv;
+
+	priv = E_MAIL_TAB_GET_PRIVATE (actor);
 
 	if (event->button == 1) {
 		mx_stylable_set_style_pseudo_class (
@@ -956,7 +971,9 @@ static gboolean
 e_mail_tab_enter_event (ClutterActor *actor,
                         ClutterCrossingEvent *event)
 {
-	EMailTabPrivate *priv = E_MAIL_TAB (actor)->priv;
+	EMailTabPrivate *priv;
+
+	priv = E_MAIL_TAB_GET_PRIVATE (actor);
 
 	if (event->source != actor)
 		return FALSE;
@@ -977,7 +994,9 @@ static gboolean
 e_mail_tab_leave_event (ClutterActor *actor,
                         ClutterCrossingEvent *event)
 {
-	EMailTabPrivate *priv = E_MAIL_TAB (actor)->priv;
+	EMailTabPrivate *priv;
+
+	priv = E_MAIL_TAB_GET_PRIVATE (actor);
 
 	if ((event->source != actor) ||
 		(event->related == (ClutterActor *) priv->close_button))
@@ -1216,7 +1235,9 @@ e_mail_tab_anim_completed_cb (ClutterAnimation *animation,
 static void
 e_mail_tab_style_changed_cb (MxWidget *widget)
 {
-	EMailTabPrivate *priv = E_MAIL_TAB (widget)->priv;
+	EMailTabPrivate *priv;
+
+	priv = E_MAIL_TAB_GET_PRIVATE (widget);
 
 	/* Don't transition on hover */
 	if (g_strcmp0 (mx_stylable_get_style_pseudo_class (
@@ -1284,61 +1305,59 @@ e_mail_tab_dnd_notify_cb (GObject *settings,
 }
 
 static void
-e_mail_tab_init (EMailTab *self)
+e_mail_tab_init (EMailTab *tab)
 {
 	ClutterActor *text;
 	GtkSettings *settings;
-	EMailTabPrivate *priv;
 
-	priv = self->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-	self, E_MAIL_TYPE_TAB, EMailTabPrivate);
+	tab->priv = E_MAIL_TAB_GET_PRIVATE (tab);
 
-	priv->width = -1;
-	priv->anim_length = 200;
-	priv->spacing = 6.0;
-	priv->can_close = TRUE;
+	tab->priv->width = -1;
+	tab->priv->anim_length = 200;
+	tab->priv->spacing = 6.0;
+	tab->priv->can_close = TRUE;
 
-	priv->label = mx_label_new ();
-	g_object_set (priv->label, "clip-to-allocation", TRUE, NULL);
-	text = mx_label_get_clutter_text (MX_LABEL (priv->label));
+	tab->priv->label = mx_label_new ();
+	g_object_set (tab->priv->label, "clip-to-allocation", TRUE, NULL);
+	text = mx_label_get_clutter_text (MX_LABEL (tab->priv->label));
 	clutter_text_set_ellipsize (CLUTTER_TEXT (text), PANGO_ELLIPSIZE_END);
 	clutter_actor_set_parent (
-		CLUTTER_ACTOR (priv->label), CLUTTER_ACTOR (self));
+		CLUTTER_ACTOR (tab->priv->label), CLUTTER_ACTOR (tab));
 
-	priv->close_button = mx_button_new ();
+	tab->priv->close_button = mx_button_new ();
 	clutter_actor_set_name (
-		CLUTTER_ACTOR (priv->close_button), "tab-close-button");
+		CLUTTER_ACTOR (tab->priv->close_button), "tab-close-button");
 	clutter_actor_set_parent (
-		CLUTTER_ACTOR (priv->close_button), CLUTTER_ACTOR (self));
+		CLUTTER_ACTOR (tab->priv->close_button), CLUTTER_ACTOR (tab));
 
 	g_signal_connect (
-		priv->close_button, "clicked",
-		G_CALLBACK (e_mail_tab_close_clicked_cb), self);
+		tab->priv->close_button, "clicked",
+		G_CALLBACK (e_mail_tab_close_clicked_cb), tab);
 
 	/* Connect up styling signals */
 	g_signal_connect (
-		self, "style-changed",
+		tab, "style-changed",
 		G_CALLBACK (e_mail_tab_style_changed_cb), NULL);
 	g_signal_connect (
-		self, "stylable-changed",
+		tab, "stylable-changed",
 		G_CALLBACK (e_mail_tab_stylable_changed_cb), NULL);
 
-	clutter_actor_set_reactive (CLUTTER_ACTOR (self), TRUE);
+	clutter_actor_set_reactive (CLUTTER_ACTOR (tab), TRUE);
 
 	settings = gtk_settings_get_default ();
-	priv->drag_threshold_handler = g_signal_connect (
+	tab->priv->drag_threshold_handler = g_signal_connect (
 		settings, "notify::gtk-dnd-drag-threshold",
-		G_CALLBACK (e_mail_tab_dnd_notify_cb), self);
+		G_CALLBACK (e_mail_tab_dnd_notify_cb), tab);
 	g_object_get (
 		G_OBJECT (settings),
-		"gtk-dnd-drag-threshold", &priv->drag_threshold,
+		"gtk-dnd-drag-threshold", &tab->priv->drag_threshold,
 		NULL);
 }
 
 ClutterActor *
 e_mail_tab_new (void)
 {
-	return g_object_new (E_MAIL_TYPE_TAB, NULL);
+	return g_object_new (E_TYPE_MAIL_TAB, NULL);
 }
 
 ClutterActor *
@@ -1347,7 +1366,7 @@ e_mail_tab_new_full (const gchar *text,
                      gint width)
 {
 	return g_object_new (
-		E_MAIL_TYPE_TAB,
+		E_TYPE_MAIL_TAB,
 		"text", text,
 		"icon", icon,
 		"tab-width", width,
diff --git a/mail/e-mail-tab.h b/mail/e-mail-tab.h
index b8f9abf18e..5f3f8666b8 100644
--- a/mail/e-mail-tab.h
+++ b/mail/e-mail-tab.h
@@ -16,92 +16,100 @@
  * Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#ifndef _E_MAIL_TAB_H
-#define _E_MAIL_TAB_H
+#ifndef E_MAIL_TAB_H
+#define E_MAIL_TAB_H
 
 #include <clutter/clutter.h>
 #include <mx/mx.h>
 
-G_BEGIN_DECLS
-
-#define E_MAIL_TYPE_TAB e_mail_tab_get_type()
-
+/* Standard GObject macros */
+#define E_TYPE_MAIL_TAB \
+	(e_mail_tab_get_type ())
 #define E_MAIL_TAB(obj) \
-  (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
-  E_MAIL_TYPE_TAB, EMailTab))
-
-#define E_MAIL_TAB_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_CAST ((klass), \
-  E_MAIL_TYPE_TAB, EMailTabClass))
-
+	(G_TYPE_CHECK_INSTANCE_CAST \
+	((obj), E_TYPE_MAIL_TAB, EMailTab))
+#define E_MAIL_TAB_CLASS(cls) \
+	(G_TYPE_CHECK_CLASS_CAST \
+	((cls), E_TYPE_MAIL_TAB, EMailTabClass))
 #define E_MAIL_IS_TAB(obj) \
-  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
-  E_MAIL_TYPE_TAB))
-
-#define E_MAIL_IS_TAB_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_TYPE ((klass), \
-  E_MAIL_TYPE_TAB))
-
+	(G_TYPE_CHECK_INSTANCE_TYPE \
+	((obj), E_TYPE_MAIL_TAB))
+#define E_MAIL_IS_TAB_CLASS(cls) \
+	(G_TYPE_CHECK_CLASS_TYPE \
+	((cls), E_TYPE_MAIL_TAB))
 #define E_MAIL_TAB_GET_CLASS(obj) \
-  (G_TYPE_INSTANCE_GET_CLASS ((obj), \
-  E_MAIL_TYPE_TAB, EMailTabClass))
-
-typedef struct _EMailTabPrivate EMailTabPrivate;
+	(G_TYPE_INSTANCE_GET_CLASS ( \
+	(obj), E_TYPE_MAIL_TAB, EMailTabClass))
 
-typedef struct {
-  MxWidget parent;
-
-  EMailTabPrivate *priv;
-} EMailTab;
-
-typedef struct {
-  MxWidgetClass parent_class;
-
-  void (* clicked)             (EMailTab *tab);
-  void (* closed)              (EMailTab *tab);
-  void (* transition_complete) (EMailTab *tab);
-} EMailTabClass;
-
-GType e_mail_tab_get_type (void);
-
-ClutterActor *e_mail_tab_new (void);
-ClutterActor *e_mail_tab_new_full (const gchar  *text,
-                                ClutterActor *icon,
-                                gint          width);
-
-void e_mail_tab_set_text                (EMailTab *tab, const gchar  *text);
-void e_mail_tab_set_default_icon        (EMailTab *tab, ClutterActor *icon);
-void e_mail_tab_set_icon                (EMailTab *tab, ClutterActor *icon);
-void e_mail_tab_set_can_close           (EMailTab *tab, gboolean      can_close);
-void e_mail_tab_set_width               (EMailTab *tab, gint          width);
-void e_mail_tab_set_docking             (EMailTab *tab, gboolean      docking);
-void e_mail_tab_set_preview_actor       (EMailTab *tab, ClutterActor *actor);
-void e_mail_tab_set_preview_mode        (EMailTab *tab, gboolean      preview);
-void e_mail_tab_set_preview_duration    (EMailTab *tab, guint         duration);
-void e_mail_tab_set_spacing             (EMailTab *tab, gfloat        spacing);
-void e_mail_tab_set_private             (EMailTab *tab, gboolean      private);
-void e_mail_tab_set_active              (EMailTab *tab, gboolean      active);
+G_BEGIN_DECLS
 
-const gchar  *e_mail_tab_get_text                (EMailTab *tab);
-ClutterActor *e_mail_tab_get_icon                (EMailTab *tab);
-gboolean      e_mail_tab_get_can_close           (EMailTab *tab);
-gint          e_mail_tab_get_width               (EMailTab *tab);
-gboolean      e_mail_tab_get_docking             (EMailTab *tab);
-ClutterActor *e_mail_tab_get_preview_actor       (EMailTab *tab);
-gboolean      e_mail_tab_get_preview_mode        (EMailTab *tab);
-void          e_mail_tab_get_height_no_preview   (EMailTab *tab,
-                                               gfloat  for_width,
-                                               gfloat *min_height_p,
-                                               gfloat *natural_height_p);
-guint         e_mail_tab_get_preview_duration    (EMailTab *tab);
-gfloat        e_mail_tab_get_spacing             (EMailTab *tab);
-gboolean      e_mail_tab_get_private             (EMailTab *tab);
-gboolean      e_mail_tab_get_active              (EMailTab *tab);
+typedef struct _EMailTab EMailTab;
+typedef struct _EMailTabClass EMailTabClass;
+typedef struct _EMailTabPrivate EMailTabPrivate;
 
-void e_mail_tab_alert                   (EMailTab *tab);
-void e_mail_tab_enable_drag             (EMailTab *tab, gboolean enable);
+struct _EMailTab {
+	MxWidget parent;
+	EMailTabPrivate *priv;
+};
+
+struct _EMailTabClass {
+	MxWidgetClass parent_class;
+
+	void		(*clicked)		(EMailTab *tab);
+	void		(*closed)		(EMailTab *tab);
+	void		(*transition_complete)	(EMailTab *tab);
+};
+
+GType		e_mail_tab_get_type		(void) G_GNUC_CONST;
+ClutterActor *	e_mail_tab_new			(void);
+ClutterActor *	e_mail_tab_new_full		(const gchar  *text,
+						 ClutterActor *icon,
+						 gint width);
+void		e_mail_tab_set_text		(EMailTab *tab,
+						 const gchar  *text);
+void		e_mail_tab_set_default_icon	(EMailTab *tab,
+						 ClutterActor *icon);
+void		e_mail_tab_set_icon		(EMailTab *tab,
+						 ClutterActor *icon);
+void		e_mail_tab_set_can_close	(EMailTab *tab,
+						 gboolean can_close);
+void		e_mail_tab_set_width		(EMailTab *tab,
+						 gint width);
+void		e_mail_tab_set_docking		(EMailTab *tab,
+						 gboolean docking);
+void		e_mail_tab_set_preview_actor	(EMailTab *tab,
+						 ClutterActor *actor);
+void		e_mail_tab_set_preview_mode	(EMailTab *tab,
+						 gboolean preview);
+void		e_mail_tab_set_preview_duration	(EMailTab *tab,
+						 guint duration);
+void		e_mail_tab_set_spacing		(EMailTab *tab,
+						 gfloat spacing);
+void		e_mail_tab_set_private		(EMailTab *tab,
+						 gboolean private_);
+void		e_mail_tab_set_active		(EMailTab *tab,
+						 gboolean active);
+const gchar *	e_mail_tab_get_text		(EMailTab *tab);
+ClutterActor *	e_mail_tab_get_icon		(EMailTab *tab);
+gboolean	e_mail_tab_get_can_close	(EMailTab *tab);
+gint		e_mail_tab_get_width		(EMailTab *tab);
+gboolean	e_mail_tab_get_docking		(EMailTab *tab);
+ClutterActor *	e_mail_tab_get_preview_actor	(EMailTab *tab);
+gboolean	e_mail_tab_get_preview_mode	(EMailTab *tab);
+void		e_mail_tab_get_height_no_preview
+						(EMailTab *tab,
+						 gfloat for_width,
+						 gfloat *min_height_p,
+						 gfloat *natural_height_p);
+guint		e_mail_tab_get_preview_duration	(EMailTab *tab);
+gfloat		e_mail_tab_get_spacing		(EMailTab *tab);
+gboolean	e_mail_tab_get_private		(EMailTab *tab);
+gboolean	e_mail_tab_get_active		(EMailTab *tab);
+void		e_mail_tab_alert		(EMailTab *tab);
+void		e_mail_tab_enable_drag		(EMailTab *tab,
+						 gboolean enable);
 
 G_END_DECLS
 
-#endif /* _E_MAIL_TAB_H */
+#endif /* E_MAIL_TAB_H */
 
diff --git a/mail/e-mail-tag-editor.c b/mail/e-mail-tag-editor.c
index d1ef428bc3..57db55a5db 100644
--- a/mail/e-mail-tag-editor.c
+++ b/mail/e-mail-tag-editor.c
@@ -33,6 +33,10 @@
 #include "e-util/e-util.h"
 #include "widgets/misc/e-dateedit.h"
 
+#define E_MAIL_TAG_EDITOR_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_MAIL_TAG_EDITOR, EMailTagEditorPrivate))
+
 #define DEFAULT_FLAG 2  /* "Follow-Up" */
 
 struct _EMailTagEditorPrivate {
@@ -60,7 +64,7 @@ enum {
 	COLUMN_SUBJECT
 };
 
-static gpointer parent_class;
+G_DEFINE_TYPE (EMailTagEditor, e_mail_tag_editor, GTK_TYPE_DIALOG)
 
 static void
 mail_tag_editor_clear_clicked_cb (EMailTagEditor *editor)
@@ -138,7 +142,7 @@ mail_tag_editor_realize (GtkWidget *widget)
 	GtkWidget *content_area;
 
 	/* Chain up to parent's realize() method. */
-	GTK_WIDGET_CLASS (parent_class)->realize (widget);
+	GTK_WIDGET_CLASS (e_mail_tag_editor_parent_class)->realize (widget);
 
 	/* XXX Override GTK's brain-dead border width defaults. */
 
@@ -219,12 +223,11 @@ mail_tag_editor_set_tag_list (EMailTagEditor *editor,
 }
 
 static void
-mail_tag_editor_class_init (EMailTagEditorClass *class)
+e_mail_tag_editor_class_init (EMailTagEditorClass *class)
 {
 	GObjectClass *object_class;
 	GtkWidgetClass *widget_class;
 
-	parent_class = g_type_class_peek_parent (class);
 	g_type_class_add_private (class, sizeof (EMailTagEditorPrivate));
 
 	object_class = G_OBJECT_CLASS (class);
@@ -271,7 +274,7 @@ mail_tag_editor_class_init (EMailTagEditorClass *class)
 }
 
 static void
-mail_tag_editor_init (EMailTagEditor *editor)
+e_mail_tag_editor_init (EMailTagEditor *editor)
 {
 	GtkBuilder *builder;
 	GtkDialog *dialog;
@@ -281,8 +284,7 @@ mail_tag_editor_init (EMailTagEditor *editor)
 	GtkCellRenderer *renderer;
 	GtkListStore *store;
 
-	editor->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-		editor, E_TYPE_MAIL_TAG_EDITOR, EMailTagEditorPrivate);
+	editor->priv = E_MAIL_TAG_EDITOR_GET_PRIVATE (editor);
 
 	dialog = GTK_DIALOG (editor);
 	window = GTK_WINDOW (editor);
@@ -360,32 +362,6 @@ mail_tag_editor_init (EMailTagEditor *editor)
 	g_object_unref (builder);
 }
 
-GType
-e_mail_tag_editor_get_type (void)
-{
-	static GType type = 0;
-
-	if (G_UNLIKELY (type == 0)) {
-		static const GTypeInfo type_info = {
-			sizeof (EMailTagEditorClass),
-			(GBaseInitFunc) NULL,
-			(GBaseFinalizeFunc) NULL,
-			(GClassInitFunc) mail_tag_editor_class_init,
-			(GClassFinalizeFunc) NULL,
-			NULL,  /* class_data */
-			sizeof (EMailTagEditor),
-			0,     /* n_preallocs */
-			(GInstanceInitFunc) mail_tag_editor_init,
-			NULL   /* valute_table */
-		};
-
-		type = g_type_register_static (
-			GTK_TYPE_DIALOG, "EMailTagEditor", &type_info, 0);
-	}
-
-	return type;
-}
-
 GtkWidget *
 e_mail_tag_editor_new (void)
 {
diff --git a/mail/e-mail-view.c b/mail/e-mail-view.c
index 90c74d7299..72884dcc4b 100644
--- a/mail/e-mail-view.c
+++ b/mail/e-mail-view.c
@@ -28,6 +28,10 @@
 
 #include <glib/gi18n-lib.h>
 
+#define E_MAIL_VIEW_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_MAIL_VIEW, EMailViewPrivate))
+
 struct _EMailViewPrivate {
 	EShellView *shell_view;
 	GtkOrientation orientation;
@@ -154,7 +158,7 @@ mail_view_dispose (GObject *object)
 {
 	EMailViewPrivate *priv;
 
-	priv = E_MAIL_VIEW (object)->priv;
+	priv = E_MAIL_VIEW_GET_PRIVATE (object);
 
 	if (priv->shell_view != NULL) {
 		g_object_unref (priv->shell_view);
@@ -319,8 +323,7 @@ e_mail_view_class_init (EMailViewClass *class)
 static void
 e_mail_view_init (EMailView *view)
 {
-	view->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-		view, E_TYPE_MAIL_VIEW, EMailViewPrivate);
+	view->priv = E_MAIL_VIEW_GET_PRIVATE (view);
 }
 
 EShellView *
diff --git a/mail/em-account-editor.c b/mail/em-account-editor.c
index 6331044b16..cca18a8310 100644
--- a/mail/em-account-editor.c
+++ b/mail/em-account-editor.c
@@ -75,6 +75,10 @@
 #include "smime/gui/e-cert-selector.h"
 #endif
 
+#define EM_ACCOUNT_EDITOR_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), EM_TYPE_ACCOUNT_EDITOR, EMAccountEditorPrivate))
+
 /* Option widgets whose sensitivity depends on another widget, such
  * as a checkbox being active, are indented to the right slightly for
  * better visual clarity.  This specifies how far to the right. */
@@ -262,7 +266,7 @@ enum {
 static void em_account_editor_construct (EMAccountEditor *emae, EMAccountEditorType type, const gchar *id);
 static void emae_account_folder_changed (EMFolderSelectionButton *folder, EMAccountEditor *emae);
 
-static gpointer parent_class;
+G_DEFINE_TYPE (EMAccountEditor, em_account_editor, G_TYPE_OBJECT)
 
 static void
 emae_config_target_changed_cb (EMAccountEditor *emae)
@@ -843,7 +847,7 @@ emae_dispose (GObject *object)
 {
 	EMAccountEditorPrivate *priv;
 
-	priv = EM_ACCOUNT_EDITOR (object)->priv;
+	priv = EM_ACCOUNT_EDITOR_GET_PRIVATE (object);
 
 	if (priv->backend != NULL) {
 		g_object_unref (priv->backend);
@@ -880,7 +884,7 @@ emae_dispose (GObject *object)
 	}
 
 	/* Chain up to parent's dispose() method. */
-	G_OBJECT_CLASS (parent_class)->dispose (object);
+	G_OBJECT_CLASS (em_account_editor_parent_class)->dispose (object);
 }
 
 static void
@@ -901,15 +905,14 @@ emae_finalize (GObject *object)
 	g_list_free (priv->providers);
 
 	/* Chain up to parent's finalize() method. */
-	G_OBJECT_CLASS (parent_class)->finalize (object);
+	G_OBJECT_CLASS (em_account_editor_parent_class)->finalize (object);
 }
 
 static void
-emae_class_init (GObjectClass *class)
+em_account_editor_class_init (EMAccountEditorClass *class)
 {
 	GObjectClass *object_class;
 
-	parent_class = g_type_class_peek_parent (class);
 	g_type_class_add_private (class, sizeof (EMAccountEditorPrivate));
 
 	object_class = G_OBJECT_CLASS (class);
@@ -1141,10 +1144,9 @@ emae_class_init (GObjectClass *class)
 }
 
 static void
-emae_init (EMAccountEditor *emae)
+em_account_editor_init (EMAccountEditor *emae)
 {
-	emae->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-		emae, EM_TYPE_ACCOUNT_EDITOR, EMAccountEditorPrivate);
+	emae->priv = EM_ACCOUNT_EDITOR_GET_PRIVATE (emae);
 
 	emae->priv->selected_server = NULL;
 	emae->priv->source.emae = emae;
@@ -1159,32 +1161,6 @@ emae_init (EMAccountEditor *emae)
 	emae->priv->is_yahoo = FALSE;
 }
 
-GType
-em_account_editor_get_type (void)
-{
-	static GType type = 0;
-
-	if (G_UNLIKELY (type == 0)) {
-		static const GTypeInfo type_info = {
-			sizeof (EMAccountEditorClass),
-			(GBaseInitFunc) NULL,
-			(GBaseFinalizeFunc) NULL,
-			(GClassInitFunc) emae_class_init,
-			(GClassFinalizeFunc) NULL,
-			NULL,  /* class_data */
-			sizeof (EMAccountEditor),
-			0,     /* n_preallocs */
-			(GInstanceInitFunc) emae_init,
-			NULL   /* value_table */
-		};
-
-		type = g_type_register_static (
-			G_TYPE_OBJECT, "EMAccountEditor", &type_info, 0);
-	}
-
-	return type;
-}
-
 /**
  * em_account_editor_new:
  * @account:
diff --git a/mail/em-composer-utils.c b/mail/em-composer-utils.c
index e571e84f60..2897b37ef6 100644
--- a/mail/em-composer-utils.c
+++ b/mail/em-composer-utils.c
@@ -1849,269 +1849,6 @@ em_utils_redirect_message (EShell *shell,
 	composer_set_no_change (composer);
 }
 
-/* Message disposition notifications, rfc 2298 */
-void
-em_utils_handle_receipt (EMailBackend *backend,
-                         CamelFolder *folder,
-                         const gchar *message_uid,
-                         CamelMimeMessage *message)
-{
-	EAccount *account;
-	const gchar *addr;
-	CamelMessageInfo *info;
-
-	g_return_if_fail (E_IS_MAIL_BACKEND (backend));
-	g_return_if_fail (CAMEL_IS_FOLDER (folder));
-	g_return_if_fail (CAMEL_IS_MIME_MESSAGE (message));
-
-	info = camel_folder_get_message_info (folder, message_uid);
-	if (info == NULL)
-		return;
-
-	if (camel_message_info_user_flag (info, "receipt-handled")) {
-		camel_folder_free_message_info (folder, info);
-		return;
-	}
-
-	addr = camel_medium_get_header (
-		CAMEL_MEDIUM (message), "Disposition-Notification-To");
-	if (addr == NULL) {
-		camel_folder_free_message_info (folder, info);
-		return;
-	}
-
-	camel_message_info_set_user_flag (info, "receipt-handled", TRUE);
-	camel_folder_free_message_info (folder, info);
-
-	account = em_utils_guess_account_with_recipients (message, folder);
-
-	/* TODO Should probably decode/format the address,
-	 *      since it could be in rfc2047 format. */
-	if (addr == NULL) {
-		addr = "";
-	} else {
-		while (camel_mime_is_lwsp (*addr))
-			addr++;
-	}
-
-	if (account == NULL)
-		return;
-
-	if (account->receipt_policy == E_ACCOUNT_RECEIPT_NEVER)
-		return;
-
-	if (account->receipt_policy == E_ACCOUNT_RECEIPT_ASK) {
-		GtkWindow *window;
-		const gchar *subject;
-		gint response;
-
-		/* FIXME Parent window should be passed in. */
-		window = e_shell_get_active_window (NULL);
-		subject = camel_mime_message_get_subject (message);
-
-		response = e_alert_run_dialog_for_args (
-			window, "mail:ask-receipt", addr, subject, NULL);
-
-		if (response != GTK_RESPONSE_YES)
-			return;
-	}
-
-	em_utils_send_receipt (backend, folder, message);
-}
-
-static void
-em_utils_receipt_done (CamelFolder *folder,
-                       GAsyncResult *result,
-                       EMailBackend *backend)
-{
-	/* FIXME Poor error handling. */
-	if (!e_mail_folder_append_message_finish (folder, result, NULL, NULL))
-		return;
-
-	mail_send (backend);
-}
-
-void
-em_utils_send_receipt (EMailBackend *backend,
-                       CamelFolder *folder,
-                       CamelMimeMessage *message)
-{
-	/* See RFC #3798 for a description of message receipts */
-	EAccount *account = em_utils_guess_account_with_recipients (message, folder);
-	CamelMimeMessage *receipt = camel_mime_message_new ();
-	CamelMultipart *body = camel_multipart_new ();
-	CamelMimePart *part;
-	CamelDataWrapper *receipt_text, *receipt_data;
-	CamelContentType *type;
-	CamelInternetAddress *addr;
-	CamelStream *stream;
-	CamelFolder *out_folder;
-	CamelMessageInfo *info;
-	const gchar *message_id;
-	const gchar *message_date;
-	const gchar *message_subject;
-	const gchar *receipt_address;
-	gchar *fake_msgid;
-	gchar *hostname;
-	gchar *self_address, *receipt_subject;
-	gchar *ua, *recipient;
-	gchar *transport_uid;
-	gchar *content;
-
-	message_id = camel_medium_get_header (
-		CAMEL_MEDIUM (message), "Message-ID");
-	message_date = camel_medium_get_header (
-		CAMEL_MEDIUM (message), "Date");
-	message_subject = camel_mime_message_get_subject (message);
-	receipt_address = camel_medium_get_header (
-		CAMEL_MEDIUM (message), "Disposition-Notification-To");
-
-	if (!receipt_address)
-		return;
-
-	/* the 'account' should be always set */
-	g_return_if_fail (account != NULL);
-
-	/* Collect information for the receipt */
-
-	/* We use camel_header_msgid_generate () to get a canonical
-	 * hostname, then skip the part leading to '@' */
-	hostname = strchr ((fake_msgid = camel_header_msgid_generate ()), '@');
-	hostname++;
-
-	self_address = account->id->address;
-
-	if (!message_id)
-		message_id = "";
-	if (!message_date)
-		message_date ="";
-
-	/* Create toplevel container */
-	camel_data_wrapper_set_mime_type (
-		CAMEL_DATA_WRAPPER (body),
-		"multipart/report;"
-		"report-type=\"disposition-notification\"");
-	camel_multipart_set_boundary (body, NULL);
-
-	/* Create textual receipt */
-	receipt_text = camel_data_wrapper_new ();
-	type = camel_content_type_new ("text", "plain");
-	camel_content_type_set_param (type, "format", "flowed");
-	camel_content_type_set_param (type, "charset", "UTF-8");
-	camel_data_wrapper_set_mime_type_field (receipt_text, type);
-	camel_content_type_unref (type);
-	content = g_strdup_printf (
-		/* Translators: First %s is an email address, second %s
-		 * is the subject of the email, third %s is the date. */
-		_("Your message to %s about \"%s\" on %s has been read."),
-		self_address, message_subject, message_date);
-	stream = camel_stream_mem_new ();
-	camel_stream_write_string (stream, content, NULL, NULL);
-	camel_data_wrapper_construct_from_stream_sync (
-		receipt_text, stream, NULL, NULL);
-	g_object_unref (stream);
-	g_free (content);
-
-	part = camel_mime_part_new ();
-	camel_medium_set_content (CAMEL_MEDIUM (part), receipt_text);
-	camel_mime_part_set_encoding (
-		part, CAMEL_TRANSFER_ENCODING_QUOTEDPRINTABLE);
-	g_object_unref (receipt_text);
-	camel_multipart_add_part (body, part);
-	g_object_unref (part);
-
-	/* Create the machine-readable receipt */
-	receipt_data = camel_data_wrapper_new ();
-	part = camel_mime_part_new ();
-
-	ua = g_strdup_printf (
-		"%s; %s", hostname, "Evolution "
-		VERSION SUB_VERSION " " VERSION_COMMENT);
-	recipient = g_strdup_printf ("rfc822; %s", self_address);
-
-	type = camel_content_type_new ("message", "disposition-notification");
-	camel_data_wrapper_set_mime_type_field (receipt_data, type);
-	camel_content_type_unref (type);
-
-	content = g_strdup_printf (
-		"Reporting-UA: %s\n"
-		"Final-Recipient: %s\n"
-		"Original-Message-ID: %s\n"
-		"Disposition: manual-action/MDN-sent-manually; displayed\n",
-		ua, recipient, message_id);
-	stream = camel_stream_mem_new ();
-	camel_stream_write_string (stream, content, NULL, NULL);
-	camel_data_wrapper_construct_from_stream_sync (
-		receipt_data, stream, NULL, NULL);
-	g_object_unref (stream);
-	g_free (content);
-
-	g_free (ua);
-	g_free (recipient);
-	g_free (fake_msgid);
-
-	camel_medium_set_content (CAMEL_MEDIUM (part), receipt_data);
-	camel_mime_part_set_encoding (part, CAMEL_TRANSFER_ENCODING_7BIT);
-	g_object_unref (receipt_data);
-	camel_multipart_add_part (body, part);
-	g_object_unref (part);
-
-	/* Finish creating the message */
-	camel_medium_set_content (
-		CAMEL_MEDIUM (receipt), CAMEL_DATA_WRAPPER (body));
-	g_object_unref (body);
-
-	/* Translators: %s is the subject of the email message */
-	receipt_subject = g_strdup_printf (
-		_("Delivery Notification for: \"%s\""), message_subject);
-	camel_mime_message_set_subject (receipt, receipt_subject);
-	g_free (receipt_subject);
-
-	addr = camel_internet_address_new ();
-	camel_address_decode (CAMEL_ADDRESS (addr), self_address);
-	camel_mime_message_set_from (receipt, addr);
-	g_object_unref (addr);
-
-	addr = camel_internet_address_new ();
-	camel_address_decode (CAMEL_ADDRESS (addr), receipt_address);
-	camel_mime_message_set_recipients (
-		receipt, CAMEL_RECIPIENT_TYPE_TO, addr);
-	g_object_unref (addr);
-
-	transport_uid = g_strconcat (account->uid, "-transport", NULL);
-
-	camel_medium_set_header (
-		CAMEL_MEDIUM (receipt),
-		"Return-Path", "<>");
-	camel_medium_set_header (
-		CAMEL_MEDIUM (receipt),
-		"X-Evolution-Account",
-		account->uid);
-	camel_medium_set_header (
-		CAMEL_MEDIUM (receipt),
-		"X-Evolution-Transport",
-		transport_uid);
-	camel_medium_set_header (
-		CAMEL_MEDIUM (receipt),
-		"X-Evolution-Fcc",
-		account->sent_folder_uri);
-
-	g_free (transport_uid);
-
-	/* Send the receipt */
-	info = camel_message_info_new (NULL);
-	out_folder = e_mail_local_get_folder (E_MAIL_LOCAL_FOLDER_OUTBOX);
-	camel_message_info_set_flags (
-		info, CAMEL_MESSAGE_SEEN, CAMEL_MESSAGE_SEEN);
-
-	/* FIXME Pass a GCancellable. */
-	e_mail_folder_append_message (
-		out_folder, receipt, info, G_PRIORITY_DEFAULT, NULL,
-		(GAsyncReadyCallback) em_utils_receipt_done, backend);
-
-	camel_message_info_free (info);
-}
-
 /* Replying to messages... */
 
 EDestination **
diff --git a/mail/em-composer-utils.h b/mail/em-composer-utils.h
index bd6eb7cffd..215e6bb2bc 100644
--- a/mail/em-composer-utils.h
+++ b/mail/em-composer-utils.h
@@ -58,13 +58,6 @@ void		em_utils_forward_messages	(EMailReader *reader,
 						 GtkWidget *destroy_when_done);
 void		em_utils_redirect_message	(EShell *shell,
 						 CamelMimeMessage *message);
-void		em_utils_handle_receipt		(EMailBackend *backend,
-						 CamelFolder *folder,
-						 const gchar *message_uid,
-						 CamelMimeMessage *message);
-void		em_utils_send_receipt		(EMailBackend *backend,
-						 CamelFolder *folder,
-						 CamelMimeMessage *message);
 gchar *		em_utils_construct_composer_text
 						(CamelMimeMessage *message,
 						 EMFormat *source_formatter);
diff --git a/mail/em-config.c b/mail/em-config.c
index e9c1105c85..6a133f1c56 100644
--- a/mail/em-config.c
+++ b/mail/em-config.c
@@ -138,7 +138,7 @@ em_config_new (gint type,
 {
 	EMConfig *emp;
 
-	emp = g_object_new (em_config_get_type (), NULL);
+	emp = g_object_new (EM_TYPE_CONFIG, NULL);
 	e_config_construct (&emp->config, type, menuid);
 
 	return emp;
diff --git a/mail/em-config.h b/mail/em-config.h
index 24a75fb511..a90ecf3262 100644
--- a/mail/em-config.h
+++ b/mail/em-config.h
@@ -29,6 +29,25 @@
 
 #include "e-util/e-config.h"
 
+/* Standard GObject macros */
+#define EM_TYPE_CONFIG \
+	(em_config_get_type ())
+#define EM_CONFIG(obj) \
+	(G_TYPE_CHECK_INSTANCE_CAST \
+	((obj), EM_TYPE_CONFIG, EMConfig))
+#define EM_CONFIG_CLASS(cls) \
+	(G_TYPE_CHECK_CLASS_CAST \
+	((cls), EM_TYPE_CONFIG, EMConfigClass))
+#define EM_IS_CONFIG(obj) \
+	(G_TYPE_CHECK_INSTANCE_TYPE \
+	((obj), EM_TYPE_CONFIG))
+#define EM_IS_CONFIG_CLASS(cls) \
+	(G_TYPE_CHECK_CLASS_TYPE \
+	((cls), EM_TYPE_CONFIG, EMConfigClass))
+#define EM_CONFIG_GET_CLASS(obj) \
+	(G_TYPE_INSTANCE_GET_CLASS \
+	((obj), EM_TYPE_CONFIG, EMConfigClass))
+
 G_BEGIN_DECLS
 
 typedef struct _EMConfig EMConfig;
diff --git a/mail/em-event.c b/mail/em-event.c
index 7a99618727..a89069f360 100644
--- a/mail/em-event.c
+++ b/mail/em-event.c
@@ -98,7 +98,7 @@ EMEvent *
 em_event_peek (void)
 {
 	if (em_event == NULL) {
-		em_event = g_object_new (em_event_get_type (), NULL);
+		em_event = g_object_new (EM_TYPE_EVENT, NULL);
 		e_event_construct (
 			&em_event->popup,
 			"org.gnome.evolution.mail.events");
diff --git a/mail/em-event.h b/mail/em-event.h
index 3fc5ac0fc3..d48341a0b8 100644
--- a/mail/em-event.h
+++ b/mail/em-event.h
@@ -27,6 +27,25 @@
 #include "e-util/e-event.h"
 #include "composer/e-msg-composer.h"
 
+/* Standard GObject macros */
+#define EM_TYPE_EVENT \
+	(em_event_get_type ())
+#define EM_EVENT(obj) \
+	(G_TYPE_CHECK_INSTANCE_CAST \
+	((obj), EM_TYPE_EVENT, EMEvent))
+#define EM_EVENT_CLASS(cls) \
+	(G_TYPE_CHECK_CLASS_CAST \
+	((cls), EM_TYPE_EVENT, EMEventClass))
+#define EM_IS_EVENT(obj) \
+	(G_TYPE_CHECK_INSTANCE_TYPE \
+	((obj), EM_TYPE_EVENT))
+#define EM_IS_EVENT_CLASS(cls) \
+	(G_TYPE_CHECK_CLASS_TYPE \
+	((cls), EM_TYPE_EVENT))
+#define EM_EVENT_GET_CLASS(obj) \
+	(G_TYPE_INSTANCE_GET_CLASS \
+	((obj), EM_TYPE_EVENT, EMEventClass))
+
 G_BEGIN_DECLS
 
 typedef struct _EMEvent EMEvent;
diff --git a/mail/em-filter-context.c b/mail/em-filter-context.c
index 2885a4c20a..085c32dbd0 100644
--- a/mail/em-filter-context.c
+++ b/mail/em-filter-context.c
@@ -36,6 +36,10 @@
 /* For poking into filter-folder guts */
 #include "em-filter-folder-element.h"
 
+#define EM_FILTER_CONTEXT_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), EM_TYPE_FILTER_CONTEXT, EMFilterContextPrivate))
+
 struct _EMFilterContextPrivate {
 	EMailBackend *backend;
 	GList *actions;
@@ -101,7 +105,7 @@ filter_context_dispose (GObject *object)
 {
 	EMFilterContextPrivate *priv;
 
-	priv = EM_FILTER_CONTEXT (object)->priv;
+	priv = EM_FILTER_CONTEXT_GET_PRIVATE (object);
 
 	if (priv->backend != NULL) {
 		g_object_unref (priv->backend);
@@ -229,7 +233,7 @@ filter_context_new_element (ERuleContext *context,
 {
 	EMFilterContextPrivate *priv;
 
-	priv = EM_FILTER_CONTEXT (context)->priv;
+	priv = EM_FILTER_CONTEXT_GET_PRIVATE (context);
 
 	if (strcmp (type, "folder") == 0)
 		return em_filter_folder_element_new (priv->backend);
@@ -280,8 +284,7 @@ em_filter_context_class_init (EMFilterContextClass *class)
 static void
 em_filter_context_init (EMFilterContext *context)
 {
-	context->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-		context, EM_TYPE_FILTER_CONTEXT, EMFilterContextPrivate);
+	context->priv = EM_FILTER_CONTEXT_GET_PRIVATE (context);
 
 	e_rule_context_add_part_set (
 		E_RULE_CONTEXT (context),
diff --git a/mail/em-filter-editor.c b/mail/em-filter-editor.c
index b92e202b96..06bb8d33c9 100644
--- a/mail/em-filter-editor.c
+++ b/mail/em-filter-editor.c
@@ -35,7 +35,7 @@
 #include "em-filter-editor.h"
 #include "em-filter-rule.h"
 
-static gpointer parent_class;
+G_DEFINE_TYPE (EMFilterEditor, em_filter_editor, E_TYPE_RULE_EDITOR)
 
 static EFilterRule *
 filter_editor_create_rule (ERuleEditor *rule_editor)
@@ -56,18 +56,16 @@ filter_editor_create_rule (ERuleEditor *rule_editor)
 }
 
 static void
-filter_editor_class_init (EMFilterEditorClass *class)
+em_filter_editor_class_init (EMFilterEditorClass *class)
 {
 	ERuleEditorClass *rule_editor_class;
 
-	parent_class = g_type_class_peek_parent (class);
-
 	rule_editor_class = E_RULE_EDITOR_CLASS (class);
 	rule_editor_class->create_rule = filter_editor_create_rule;
 }
 
 static void
-filter_editor_init (EMFilterEditor *filter_editor)
+em_filter_editor_init (EMFilterEditor *filter_editor)
 {
 	GConfBridge *bridge;
 	const gchar *key_prefix;
@@ -79,32 +77,6 @@ filter_editor_init (EMFilterEditor *filter_editor)
 		bridge, key_prefix, GTK_WINDOW (filter_editor));
 }
 
-GType
-em_filter_editor_get_type (void)
-{
-	static GType type = 0;
-
-	if (G_UNLIKELY (type == 0)) {
-		static const GTypeInfo type_info = {
-			sizeof (EMFilterEditorClass),
-			(GBaseInitFunc) NULL,
-			(GBaseFinalizeFunc) NULL,
-			(GClassInitFunc) filter_editor_class_init,
-			(GClassFinalizeFunc) NULL,
-			NULL,  /* class_data */
-			sizeof (EMFilterEditor),
-			0,     /* n_preallocs */
-			(GInstanceInitFunc) filter_editor_init,
-			NULL   /* value_table */
-		};
-
-		type = g_type_register_static (
-			E_TYPE_RULE_EDITOR, "EMFilterEditor", &type_info, 0);
-	}
-
-	return type;
-}
-
 /**
  * em_filter_editor_new:
  *
diff --git a/mail/em-filter-rule.c b/mail/em-filter-rule.c
index 6cd287b0ea..90e82e5744 100644
--- a/mail/em-filter-rule.c
+++ b/mail/em-filter-rule.c
@@ -40,83 +40,42 @@ static gint filter_eq (EFilterRule *fr, EFilterRule *cm);
 static xmlNodePtr xml_encode (EFilterRule *fr);
 static gint xml_decode (EFilterRule *fr, xmlNodePtr, ERuleContext *rc);
 static void rule_copy (EFilterRule *dest, EFilterRule *src);
-/*static void build_code(EFilterRule *, GString *out);*/
 static GtkWidget *get_widget (EFilterRule *fr, ERuleContext *rc);
 
-static void em_filter_rule_class_init (EMFilterRuleClass *klass);
-static void em_filter_rule_init (EMFilterRule *ff);
-static void em_filter_rule_finalize (GObject *obj);
+G_DEFINE_TYPE (EMFilterRule, em_filter_rule, E_TYPE_FILTER_RULE)
 
-static EFilterRuleClass *parent_class = NULL;
-
-GType
-em_filter_rule_get_type (void)
+static void
+em_filter_rule_finalize (GObject *object)
 {
-	static GType type = 0;
-
-	if (!type) {
-		static const GTypeInfo info = {
-			sizeof (EMFilterRuleClass),
-			NULL, /* base_class_init */
-			NULL, /* base_class_finalize */
-			(GClassInitFunc) em_filter_rule_class_init,
-			NULL, /* class_finalize */
-			NULL, /* class_data */
-			sizeof (EMFilterRule),
-			0,    /* n_preallocs */
-			(GInstanceInitFunc) em_filter_rule_init,
-		};
-
-		type = g_type_register_static(E_TYPE_FILTER_RULE, "EMFilterRule", &info, 0);
-	}
+	EMFilterRule *ff =(EMFilterRule *) object;
 
-	return type;
+	g_list_free_full (ff->actions, (GDestroyNotify) g_object_unref);
+
+	/* Chain up to parent's finalize() method. */
+	G_OBJECT_CLASS (em_filter_rule_parent_class)->finalize (object);
 }
 
 static void
-em_filter_rule_class_init (EMFilterRuleClass *klass)
+em_filter_rule_class_init (EMFilterRuleClass *class)
 {
-	GObjectClass *object_class = G_OBJECT_CLASS (klass);
-	EFilterRuleClass *fr_class =(EFilterRuleClass *) klass;
-
-	parent_class = g_type_class_ref (E_TYPE_FILTER_RULE);
+	GObjectClass *object_class;
+	EFilterRuleClass *filter_rule_class;
 
+	object_class = G_OBJECT_CLASS (class);
 	object_class->finalize = em_filter_rule_finalize;
 
-	/* override methods */
-	fr_class->validate = validate;
-	fr_class->eq = filter_eq;
-	fr_class->xml_encode = xml_encode;
-	fr_class->xml_decode = xml_decode;
-	/*fr_class->build_code = build_code;*/
-	fr_class->copy = rule_copy;
-	fr_class->get_widget = get_widget;
+	filter_rule_class = E_FILTER_RULE_CLASS (class);
+	filter_rule_class->validate = validate;
+	filter_rule_class->eq = filter_eq;
+	filter_rule_class->xml_encode = xml_encode;
+	filter_rule_class->xml_decode = xml_decode;
+	filter_rule_class->copy = rule_copy;
+	filter_rule_class->get_widget = get_widget;
 }
 
 static void
 em_filter_rule_init (EMFilterRule *ff)
 {
-	;
-}
-
-static void
-unref_list (GList *l)
-{
-	while (l) {
-		g_object_unref (l->data);
-		l = l->next;
-	}
-}
-
-static void
-em_filter_rule_finalize (GObject *obj)
-{
-	EMFilterRule *ff =(EMFilterRule *) obj;
-
-	unref_list (ff->actions);
-	g_list_free (ff->actions);
-
-	G_OBJECT_CLASS (parent_class)->finalize (obj);
 }
 
 /**
@@ -184,7 +143,8 @@ validate (EFilterRule *fr,
 	GList *parts;
 	gint valid;
 
-	valid = E_FILTER_RULE_CLASS (parent_class)->validate (fr, alert);
+	valid = E_FILTER_RULE_CLASS (em_filter_rule_parent_class)->
+		validate (fr, alert);
 
 	/* validate rule actions */
 	parts = ff->actions;
@@ -217,8 +177,10 @@ static gint
 filter_eq (EFilterRule *fr,
            EFilterRule *cm)
 {
-	return E_FILTER_RULE_CLASS (parent_class)->eq (fr, cm)
-		&& list_eq (((EMFilterRule *) fr)->actions,((EMFilterRule *) cm)->actions);
+	return E_FILTER_RULE_CLASS (em_filter_rule_parent_class)->eq (fr, cm)
+		&& list_eq (
+			((EMFilterRule *) fr)->actions,
+			((EMFilterRule *) cm)->actions);
 }
 
 static xmlNodePtr
@@ -228,7 +190,8 @@ xml_encode (EFilterRule *fr)
 	xmlNodePtr node, set, work;
 	GList *l;
 
-	node = E_FILTER_RULE_CLASS (parent_class)->xml_encode (fr);
+	node = E_FILTER_RULE_CLASS (em_filter_rule_parent_class)->
+		xml_encode (fr);
 	g_return_val_if_fail (node != NULL, NULL);
 	set = xmlNewNode(NULL, (const guchar *)"actionset");
 	xmlAddChild (node, set);
@@ -281,7 +244,8 @@ xml_decode (EFilterRule *fr,
 	xmlNodePtr work;
 	gint result;
 
-	result = E_FILTER_RULE_CLASS (parent_class)->xml_decode (fr, node, rc);
+	result = E_FILTER_RULE_CLASS (em_filter_rule_parent_class)->
+		xml_decode (fr, node, rc);
 	if (result != 0)
 		return result;
 
@@ -321,14 +285,9 @@ rule_copy (EFilterRule *dest,
 		node = node->next;
 	}
 
-	E_FILTER_RULE_CLASS (parent_class)->copy (dest, src);
+	E_FILTER_RULE_CLASS (em_filter_rule_parent_class)->copy (dest, src);
 }
 
-/*static void build_code(EFilterRule *fr, GString *out)
-{
-	return FILTER_RULE_CLASS (parent_class)->build_code (fr, out);
-}*/
-
 struct _part_data {
 	EFilterRule *fr;
 	EMFilterContext *f;
@@ -555,7 +514,8 @@ get_widget (EFilterRule *fr,
 	gint rows, i = 0;
 	gchar *msg;
 
-	widget = E_FILTER_RULE_CLASS (parent_class)->get_widget (fr, rc);
+	widget = E_FILTER_RULE_CLASS (em_filter_rule_parent_class)->
+		get_widget (fr, rc);
 
 	/* and now for the action area */
 	msg = g_strdup_printf("<b>%s</b>", _("Then"));
diff --git a/mail/em-folder-selection-button.c b/mail/em-folder-selection-button.c
index 9aa198fa8e..1b8ef6cd71 100644
--- a/mail/em-folder-selection-button.c
+++ b/mail/em-folder-selection-button.c
@@ -262,7 +262,7 @@ folder_selection_button_clicked (GtkButton *button)
 	GtkTreeSelection *selection;
 	gpointer parent;
 
-	priv = EM_FOLDER_SELECTION_BUTTON (button)->priv;
+	priv = EM_FOLDER_SELECTION_BUTTON_GET_PRIVATE (button);
 
 	parent = gtk_widget_get_toplevel (GTK_WIDGET (button));
 	parent = gtk_widget_is_toplevel (parent) ? parent : NULL;
diff --git a/mail/em-folder-tree.c b/mail/em-folder-tree.c
index 79e9a04288..59f936d9d8 100644
--- a/mail/em-folder-tree.c
+++ b/mail/em-folder-tree.c
@@ -437,7 +437,7 @@ folder_tree_select_func (GtkTreeSelection *selection,
 
 	tree_view = gtk_tree_selection_get_tree_view (selection);
 
-	priv = EM_FOLDER_TREE (tree_view)->priv;
+	priv = EM_FOLDER_TREE_GET_PRIVATE (tree_view);
 
 	if (selected)
 		return TRUE;
diff --git a/mail/em-format-hook.c b/mail/em-format-hook.c
index 51608ca07d..7777914577 100644
--- a/mail/em-format-hook.c
+++ b/mail/em-format-hook.c
@@ -31,7 +31,7 @@
 
 #include <glib/gi18n.h>
 
-/* class name -> klass map for EMFormat and subclasses */
+/* class name -> class map for EMFormat and subclasses */
 static GHashTable *emfh_types;
 
 /* ********************************************************************** */
@@ -48,7 +48,6 @@ static GHashTable *emfh_types;
  * </hook>
  */
 
-static gpointer emfh_parent_class;
 #define emfh ((EMFormatHook *)eph)
 
 #define d(x)
@@ -59,6 +58,8 @@ static const EPluginHookTargetKey emfh_flag_map[] = {
 	{ NULL }
 };
 
+G_DEFINE_TYPE (EMFormatHook, em_format_hook, E_TYPE_PLUGIN_HOOK)
+
 static void
 emfh_format_format (EMFormat *md,
                     CamelStream *stream,
@@ -171,7 +172,7 @@ emfh_construct (EPluginHook *eph,
 
 	d(printf("loading format hook\n"));
 
-	if (((EPluginHookClass *) emfh_parent_class)->construct (eph, ep, root) == -1)
+	if (((EPluginHookClass *) em_format_hook_parent_class)->construct (eph, ep, root) == -1)
 		return -1;
 
 	node = root->children;
@@ -181,10 +182,10 @@ emfh_construct (EPluginHook *eph,
 
 			group = emfh_construct_group (eph, node);
 			if (group) {
-				EMFormatClass *klass;
+				EMFormatClass *class;
 
 				if (emfh_types
-				    && (klass = g_hash_table_lookup (emfh_types, group->id))) {
+				    && (class = g_hash_table_lookup (emfh_types, group->id))) {
 					GSList *l = group->items;
 
 					for (; l; l = g_slist_next (l)) {
@@ -194,7 +195,7 @@ emfh_construct (EPluginHook *eph,
 						 * if we leave as is, then we can enable the
 						 * plugin after startup and it will start
 						 * working automagically */
-						em_format_class_add_handler (klass, &item->handler);
+						em_format_class_add_handler (class, &item->handler);
 					}
 				}
 				/* We don't actually need to keep this
@@ -217,7 +218,7 @@ emfh_enable (EPluginHook *eph,
              gint state)
 {
 	GSList *g, *l;
-	EMFormatClass *klass;
+	EMFormatClass *class;
 
 	g = emfh->groups;
 	if (emfh_types == NULL)
@@ -226,75 +227,60 @@ emfh_enable (EPluginHook *eph,
 	for (; g; g = g_slist_next (g)) {
 		struct _EMFormatHookGroup *group = g->data;
 
-		klass = g_hash_table_lookup (emfh_types, group->id);
+		class = g_hash_table_lookup (emfh_types, group->id);
 		for (l = group->items; l; l = g_slist_next (l)) {
 			EMFormatHookItem *item = l->data;
 
 			if (state)
-				em_format_class_add_handler (klass, &item->handler);
+				em_format_class_add_handler (class, &item->handler);
 			else
-				em_format_class_remove_handler (klass, &item->handler);
+				em_format_class_remove_handler (class, &item->handler);
 		}
 	}
 }
 
 static void
-emfh_finalize (GObject *o)
+format_hook_finalize (GObject *object)
 {
-	EPluginHook *eph = (EPluginHook *) o;
+	EPluginHook *eph = (EPluginHook *) object;
 
 	g_slist_foreach (emfh->groups, (GFunc) emfh_free_group, NULL);
 	g_slist_free (emfh->groups);
 
-	((GObjectClass *) emfh_parent_class)->finalize (o);
+	/* Chain up to parent's finalize() method. */
+	G_OBJECT_CLASS (em_format_hook_parent_class)->finalize (object);
 }
 
 static void
-emfh_class_init (EPluginHookClass *klass)
+em_format_hook_class_init (EMFormatHookClass *class)
 {
-	((GObjectClass *) klass)->finalize = emfh_finalize;
-	klass->construct = emfh_construct;
-	klass->enable = emfh_enable;
-	klass->id = "org.gnome.evolution.mail.format:1.0";
-}
+	GObjectClass *object_class;
+	EPluginHookClass *hook_class;
 
-GType
-em_format_hook_get_type (void)
-{
-	static GType type = 0;
-
-	if (!type) {
-		static const GTypeInfo info = {
-			sizeof (EMFormatHookClass),
-			(GBaseInitFunc) NULL,
-			(GBaseFinalizeFunc) NULL,
-			(GClassInitFunc) emfh_class_init,
-			(GClassFinalizeFunc) NULL,
-			NULL,  /* class_data */
-			sizeof (EMFormatHook),
-			0,     /* n_preallocs */
-			(GInstanceInitFunc) NULL,
-			NULL   /* value_table */
-		};
+	object_class = G_OBJECT_CLASS (class);
+	object_class->finalize = format_hook_finalize;
 
-		emfh_parent_class = g_type_class_ref (E_TYPE_PLUGIN_HOOK);
-		type = g_type_register_static (
-			E_TYPE_PLUGIN_HOOK, "EMFormatHook", &info, 0);
-	}
+	hook_class = E_PLUGIN_HOOK_CLASS (class);
+	hook_class->construct = emfh_construct;
+	hook_class->enable = emfh_enable;
+	hook_class->id = "org.gnome.evolution.mail.format:1.0";
+}
 
-	return type;
+static void
+em_format_hook_init (EMFormatHook *hook)
+{
 }
 
 void
 em_format_hook_register_type (GType type)
 {
-	EMFormatClass *klass;
+	EMFormatClass *class;
 
 	if (emfh_types == NULL)
 		emfh_types = g_hash_table_new (g_str_hash, g_str_equal);
 
 	d(printf("registering formatter type '%s'\n", g_type_name(type)));
 
-	klass = g_type_class_ref (type);
-	g_hash_table_insert (emfh_types, (gpointer) g_type_name (type), klass);
+	class = g_type_class_ref (type);
+	g_hash_table_insert (emfh_types, (gpointer) g_type_name (type), class);
 }
diff --git a/mail/em-format-html-display.c b/mail/em-format-html-display.c
index 158b647641..48b62b7960 100644
--- a/mail/em-format-html-display.c
+++ b/mail/em-format-html-display.c
@@ -66,6 +66,10 @@
 #include "widgets/misc/e-attachment-button.h"
 #include "widgets/misc/e-attachment-view.h"
 
+#define EM_FORMAT_HTML_DISPLAY_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), EM_TYPE_FORMAT_HTML_DISPLAY, EMFormatHTMLDisplayPrivate))
+
 #define d(x)
 
 struct _EMFormatHTMLDisplayPrivate {
@@ -156,7 +160,10 @@ static void	efhd_message_prefix		(EMFormat *emf,
 
 static void efhd_builtin_init (EMFormatHTMLDisplayClass *efhc);
 
-static gpointer parent_class;
+G_DEFINE_TYPE (
+	EMFormatHTMLDisplay,
+	em_format_html_display,
+	EM_TYPE_FORMAT_HTML)
 
 static void
 efhd_xpkcs7mime_free (EMFormatHTMLPObject *o)
@@ -439,7 +446,7 @@ efhd_format_clone (EMFormat *emf,
 		EM_FORMAT_HTML (emf)->header_wrap_flags = 0;
 
 	/* Chain up to parent's format_clone() method. */
-	EM_FORMAT_CLASS (parent_class)->
+	EM_FORMAT_CLASS (em_format_html_display_parent_class)->
 		format_clone (emf, folder, uid, msg, src, cancellable);
 }
 
@@ -835,17 +842,17 @@ efhd_finalize (GObject *object)
 	}
 
 	/* Chain up to parent's finalize() method. */
-	G_OBJECT_CLASS (parent_class)->finalize (object);
+	G_OBJECT_CLASS (em_format_html_display_parent_class)->
+		finalize (object);
 }
 
 static void
-efhd_class_init (EMFormatHTMLDisplayClass *class)
+em_format_html_display_class_init (EMFormatHTMLDisplayClass *class)
 {
 	GObjectClass *object_class;
 	EMFormatClass *format_class;
 	EMFormatHTMLClass *format_html_class;
 
-	parent_class = g_type_class_peek_parent (class);
 	g_type_class_add_private (class, sizeof (EMFormatHTMLDisplayPrivate));
 
 	object_class = G_OBJECT_CLASS (class);
@@ -864,7 +871,7 @@ efhd_class_init (EMFormatHTMLDisplayClass *class)
 }
 
 static void
-efhd_init (EMFormatHTMLDisplay *efhd)
+em_format_html_display_init (EMFormatHTMLDisplay *efhd)
 {
 	EWebView *web_view;
 	GtkActionGroup *image_actions;
@@ -873,9 +880,9 @@ efhd_init (EMFormatHTMLDisplay *efhd)
 
 	web_view = em_format_html_get_web_view (EM_FORMAT_HTML (efhd));
 
-	efhd->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-		efhd, EM_TYPE_FORMAT_HTML_DISPLAY, EMFormatHTMLDisplayPrivate);
-	efhd->priv->attachment_views = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
+	efhd->priv = EM_FORMAT_HTML_DISPLAY_GET_PRIVATE (efhd);
+	efhd->priv->attachment_views = g_hash_table_new_full (
+		g_str_hash, g_str_equal, g_free, NULL);
 	efhd->priv->attachment_expanded = FALSE;
 
 	e_mail_display_set_formatter (
@@ -906,33 +913,6 @@ efhd_init (EMFormatHTMLDisplay *efhd)
 		G_CALLBACK (efhd_web_view_update_actions_cb), efhd);
 }
 
-GType
-em_format_html_display_get_type (void)
-{
-	static GType type = 0;
-
-	if (G_UNLIKELY (type == 0)) {
-		static const GTypeInfo type_info = {
-			sizeof (EMFormatHTMLDisplayClass),
-			(GBaseInitFunc) NULL,
-			(GBaseFinalizeFunc) NULL,
-			(GClassInitFunc) efhd_class_init,
-			(GClassFinalizeFunc) NULL,
-			NULL,  /* class_data */
-			sizeof (EMFormatHTMLDisplay),
-			0,     /* n_preallocs */
-			(GInstanceInitFunc) efhd_init,
-			NULL   /* value_table */
-		};
-
-		type = g_type_register_static (
-			EM_TYPE_FORMAT_HTML, "EMFormatHTMLDisplay",
-			&type_info, 0);
-	}
-
-	return type;
-}
-
 EMFormatHTMLDisplay *
 em_format_html_display_new (void)
 {
@@ -1253,7 +1233,7 @@ efhd_bar_resize (EMFormatHTML *efh,
 	GtkWidget *widget;
 	gint width;
 
-	priv = EM_FORMAT_HTML_DISPLAY (efh)->priv;
+	priv = EM_FORMAT_HTML_DISPLAY_GET_PRIVATE (efh);
 
 	web_view = em_format_html_get_web_view (efh);
 
@@ -1281,7 +1261,7 @@ efhd_add_bar (EMFormatHTML *efh,
 	g_return_val_if_fail (pobject != NULL && pobject->classid != NULL, FALSE);
 	g_return_val_if_fail (g_str_has_prefix (pobject->classid, "attachment-bar:"), FALSE);
 
-	priv = EM_FORMAT_HTML_DISPLAY (efh)->priv;
+	priv = EM_FORMAT_HTML_DISPLAY_GET_PRIVATE (efh);
 
 	widget = e_mail_attachment_bar_new ();
 	gtk_container_add (GTK_CONTAINER (eb), widget);
diff --git a/mail/em-format-html-print.c b/mail/em-format-html-print.c
index dbfe011759..fd47275e30 100644
--- a/mail/em-format-html-print.c
+++ b/mail/em-format-html-print.c
@@ -35,7 +35,10 @@
 #include "em-format-html-print.h"
 #include <e-util/e-print.h>
 
-static gpointer parent_class = NULL;
+G_DEFINE_TYPE (
+	EMFormatHTMLPrint,
+	em_format_html_print,
+	EM_TYPE_FORMAT_HTML)
 
 static void
 efhp_finalize (GObject *object)
@@ -47,7 +50,7 @@ efhp_finalize (GObject *object)
 		g_object_unref (efhp->source);
 
 	/* Chain up to parent's finalize() method. */
-	G_OBJECT_CLASS (parent_class)->finalize (object);
+	G_OBJECT_CLASS (em_format_html_print_parent_class)->finalize (object);
 }
 
 static gboolean
@@ -61,13 +64,11 @@ efhp_is_inline (EMFormat *emf,
 }
 
 static void
-efhp_class_init (EMFormatHTMLPrintClass *class)
+em_format_html_print_class_init (EMFormatHTMLPrintClass *class)
 {
 	GObjectClass *object_class;
 	EMFormatClass *format_class;
 
-	parent_class = g_type_class_peek_parent (class);
-
 	object_class = G_OBJECT_CLASS (class);
 	object_class->finalize = efhp_finalize;
 
@@ -76,9 +77,8 @@ efhp_class_init (EMFormatHTMLPrintClass *class)
 }
 
 static void
-efhp_init (GObject *o)
+em_format_html_print_init (EMFormatHTMLPrint *efhp)
 {
-	EMFormatHTMLPrint *efhp = (EMFormatHTMLPrint *) o;
 	EWebView *web_view;
 
 	web_view = em_format_html_get_web_view (EM_FORMAT_HTML (efhp));
@@ -92,32 +92,6 @@ efhp_init (GObject *o)
 	((EMFormat *) efhp)->print = TRUE;
 }
 
-GType
-em_format_html_print_get_type (void)
-{
-	static GType type = 0;
-
-	if (G_UNLIKELY (type == 0)) {
-		static const GTypeInfo type_info = {
-			sizeof (EMFormatHTMLPrintClass),
-			(GBaseInitFunc) NULL,
-			(GBaseFinalizeFunc) NULL,
-			(GClassInitFunc) efhp_class_init,
-			(GClassFinalizeFunc) NULL,
-			NULL,  /* class_data */
-			sizeof (EMFormatHTMLPrint),
-			0,     /* n_preallocs */
-			(GInstanceInitFunc) efhp_init
-		};
-
-		type = g_type_register_static (
-			EM_TYPE_FORMAT_HTML, "EMFormatHTMLPrint",
-			&type_info, 0);
-	}
-
-	return type;
-}
-
 EMFormatHTMLPrint *
 em_format_html_print_new (EMFormatHTML *source,
                           GtkPrintOperationAction action)
diff --git a/mail/em-format-html.c b/mail/em-format-html.c
index 9a7c87f105..960cdc1267 100644
--- a/mail/em-format-html.c
+++ b/mail/em-format-html.c
@@ -64,6 +64,10 @@
 #include "mail-config.h"
 #include "mail-mt.h"
 
+#define EM_FORMAT_HTML_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), EM_TYPE_FORMAT_HTML, EMFormatHTMLPrivate))
+
 #define d(x)
 
 #define EFM_MESSAGE_START_ANAME "evolution#message#start"
@@ -811,7 +815,7 @@ efh_busy (EMFormat *emf)
 {
 	EMFormatHTMLPrivate *priv;
 
-	priv = EM_FORMAT_HTML (emf)->priv;
+	priv = EM_FORMAT_HTML_GET_PRIVATE (emf);
 
 	return (priv->format_id != -1);
 }
@@ -1009,8 +1013,7 @@ efh_init (EMFormatHTML *efh,
 	EWebView *web_view;
 	GdkColor *color;
 
-	efh->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-		efh, EM_TYPE_FORMAT_HTML, EMFormatHTMLPrivate);
+	efh->priv = EM_FORMAT_HTML_GET_PRIVATE (efh);
 
 	g_queue_init (&efh->pending_object_list);
 	g_queue_init (&efh->priv->pending_jobs);
diff --git a/mail/em-search-context.c b/mail/em-search-context.c
index f4b817b6b6..2a900752aa 100644
--- a/mail/em-search-context.c
+++ b/mail/em-search-context.c
@@ -33,7 +33,7 @@
 #include "filter/e-filter-option.h"
 #include "filter/e-filter-int.h"
 
-static gpointer parent_class;
+G_DEFINE_TYPE (EMSearchContext, em_search_context, E_TYPE_RULE_CONTEXT)
 
 static EFilterElement *
 search_context_new_element (ERuleContext *context,
@@ -46,53 +46,29 @@ search_context_new_element (ERuleContext *context,
 		return (EFilterElement *) e_filter_int_new_type ("score", -3, 3);
 
 	/* Chain up to parent's new_element() method. */
-	return E_RULE_CONTEXT_CLASS (parent_class)->new_element (context, type);
+	return E_RULE_CONTEXT_CLASS (em_search_context_parent_class)->
+		new_element (context, type);
 }
 
 static void
-search_context_class_init (EMSearchContextClass *class)
+em_search_context_class_init (EMSearchContextClass *class)
 {
 	ERuleContextClass *rule_context_class;
 
-	parent_class = g_type_class_peek_parent (class);
-
 	rule_context_class = E_RULE_CONTEXT_CLASS (class);
 	rule_context_class->new_element = search_context_new_element;
 }
 
 static void
-search_context_init (EMSearchContext *vc)
+em_search_context_init (EMSearchContext *vc)
 {
 	ERuleContext *rule_context;
 
 	rule_context = E_RULE_CONTEXT (vc);
-	rule_context->flags = E_RULE_CONTEXT_THREADING | E_RULE_CONTEXT_GROUPING;
-}
-
-GType
-em_search_context_get_type (void)
-{
-	static GType type = 0;
-
-	if (G_UNLIKELY (type == 0)) {
-		static const GTypeInfo type_info = {
-			sizeof (EMSearchContextClass),
-			(GBaseInitFunc) NULL,
-			(GBaseFinalizeFunc) NULL,
-			(GClassInitFunc) search_context_class_init,
-			(GClassFinalizeFunc) NULL,
-			NULL,  /* class_data */
-			sizeof (EMSearchContext),
-			0,     /* n_preallocs */
-			(GInstanceInitFunc) search_context_init,
-			NULL   /* value_table */
-		};
-
-		type = g_type_register_static (
-			E_TYPE_RULE_CONTEXT, "EMSearchContext", &type_info, 0);
-	}
 
-	return type;
+	rule_context->flags =
+		E_RULE_CONTEXT_THREADING |
+		E_RULE_CONTEXT_GROUPING;
 }
 
 ERuleContext *
diff --git a/mail/em-vfolder-context.c b/mail/em-vfolder-context.c
index 371914c886..6ac2cb62f2 100644
--- a/mail/em-vfolder-context.c
+++ b/mail/em-vfolder-context.c
@@ -35,6 +35,10 @@
 
 #include "em-filter-folder-element.h"
 
+#define EM_VFOLDER_CONTEXT_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), EM_TYPE_VFOLDER_CONTEXT, EMVFolderContextPrivate))
+
 struct _EMVFolderContextPrivate {
 	EMailBackend *backend;
 };
@@ -99,7 +103,7 @@ vfolder_context_dispose (GObject *object)
 {
 	EMVFolderContextPrivate *priv;
 
-	priv = EM_VFOLDER_CONTEXT (object)->priv;
+	priv = EM_VFOLDER_CONTEXT_GET_PRIVATE (object);
 
 	if (priv->backend != NULL) {
 		g_object_unref (priv->backend);
@@ -116,7 +120,7 @@ vfolder_context_new_element (ERuleContext *context,
 {
 	EMVFolderContextPrivate *priv;
 
-	priv = EM_VFOLDER_CONTEXT (context)->priv;
+	priv = EM_VFOLDER_CONTEXT_GET_PRIVATE (context);
 
 	if (strcmp (type, "system-flag") == 0)
 		return e_filter_option_new ();
@@ -166,8 +170,7 @@ em_vfolder_context_class_init (EMVFolderContextClass *class)
 static void
 em_vfolder_context_init (EMVFolderContext *context)
 {
-	context->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-		context, EM_TYPE_VFOLDER_CONTEXT, EMVFolderContextPrivate);
+	context->priv = EM_VFOLDER_CONTEXT_GET_PRIVATE (context);
 
 	e_rule_context_add_part_set (
 		E_RULE_CONTEXT (context), "partset", E_TYPE_FILTER_PART,
diff --git a/mail/em-vfolder-rule.c b/mail/em-vfolder-rule.c
index 04c009bc00..831059910c 100644
--- a/mail/em-vfolder-rule.c
+++ b/mail/em-vfolder-rule.c
@@ -43,6 +43,10 @@
 #include "e-util/e-alert.h"
 #include "e-util/e-util-private.h"
 
+#define EM_VFOLDER_RULE_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), EM_TYPE_VFOLDER_RULE, EMVFolderRulePrivate))
+
 struct _EMVFolderRulePrivate {
 	EMailBackend *backend;
 };
@@ -131,7 +135,7 @@ vfolder_rule_dispose (GObject *object)
 {
 	EMVFolderRulePrivate *priv;
 
-	priv = EM_VFOLDER_RULE (object)->priv;
+	priv = EM_VFOLDER_RULE_GET_PRIVATE (object);
 
 	if (priv->backend != NULL) {
 		g_object_unref (priv->backend);
@@ -192,9 +196,7 @@ em_vfolder_rule_class_init (EMVFolderRuleClass *class)
 static void
 em_vfolder_rule_init (EMVFolderRule *rule)
 {
-	rule->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-		rule, EM_TYPE_VFOLDER_RULE, EMVFolderRulePrivate);
-
+	rule->priv = EM_VFOLDER_RULE_GET_PRIVATE (rule);
 	rule->with = EM_VFOLDER_RULE_WITH_SPECIFIC;
 	rule->rule.source = g_strdup ("incoming");
 }
diff --git a/mail/mail-folder-cache.c b/mail/mail-folder-cache.c
index 5dd215a156..dbb8ef8bfc 100644
--- a/mail/mail-folder-cache.c
+++ b/mail/mail-folder-cache.c
@@ -56,6 +56,10 @@
 #define w(x)
 #define d(x)
 
+#define MAIL_FOLDER_CACHE_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), MAIL_TYPE_FOLDER_CACHE, MailFolderCachePrivate))
+
 /* This code is a mess, there is no reason it should be so complicated. */
 
 struct _MailFolderCachePrivate {
@@ -141,51 +145,51 @@ free_update (struct _folder_update *up)
 }
 
 static gboolean
-flush_updates_idle_cb (MailFolderCache *self)
+flush_updates_idle_cb (MailFolderCache *cache)
 {
 	struct _folder_update *up;
 
-	g_mutex_lock (self->priv->stores_mutex);
-	while ((up = g_queue_pop_head (&self->priv->updates)) != NULL) {
-		g_mutex_unlock (self->priv->stores_mutex);
+	g_mutex_lock (cache->priv->stores_mutex);
+	while ((up = g_queue_pop_head (&cache->priv->updates)) != NULL) {
+		g_mutex_unlock (cache->priv->stores_mutex);
 
 		if (up->remove) {
 			if (up->delete) {
 				g_signal_emit (
-					self, signals[FOLDER_DELETED], 0,
+					cache, signals[FOLDER_DELETED], 0,
 					up->store, up->full_name);
 			} else
 				g_signal_emit (
-					self, signals[FOLDER_UNAVAILABLE], 0,
+					cache, signals[FOLDER_UNAVAILABLE], 0,
 					up->store, up->full_name);
 		} else {
 			if (up->oldfull && up->add) {
 				g_signal_emit (
-					self, signals[FOLDER_RENAMED], 0,
+					cache, signals[FOLDER_RENAMED], 0,
 					up->store, up->oldfull, up->full_name);
 			}
 
 			if (!up->oldfull && up->add)
 				g_signal_emit (
-					self, signals[FOLDER_AVAILABLE], 0,
+					cache, signals[FOLDER_AVAILABLE], 0,
 					up->store, up->full_name);
 		}
 
 		/* update unread counts */
-		g_signal_emit (self, signals[FOLDER_UNREAD_UPDATED], 0,
+		g_signal_emit (cache, signals[FOLDER_UNREAD_UPDATED], 0,
 			       up->store, up->full_name, up->unread);
 
 		/* indicate that the folder has changed (new mail received, etc) */
 		if (up->store != NULL && up->full_name != NULL) {
 			g_signal_emit (
-				self, signals[FOLDER_CHANGED], 0, up->store,
+				cache, signals[FOLDER_CHANGED], 0, up->store,
 				up->full_name, up->new, up->msg_uid,
 				up->msg_sender, up->msg_subject);
 		}
 
 		if (CAMEL_IS_VEE_STORE (up->store) && !up->remove) {
 			/* Normally the vfolder store takes care of the
-			 * folder_opened event itself, but we add folder to
+			 * folder_opened event itcache, but we add folder to
 			 * the noting system later, thus we do not know about
 			 * search folders to update them in a tree, thus
 			 * ensure their changes will be tracked correctly. */
@@ -196,32 +200,32 @@ flush_updates_idle_cb (MailFolderCache *self)
 				up->store, up->full_name, 0, NULL, NULL);
 
 			if (folder) {
-				mail_folder_cache_note_folder (self, folder);
+				mail_folder_cache_note_folder (cache, folder);
 				g_object_unref (folder);
 			}
 		}
 
 		free_update (up);
 
-		g_mutex_lock (self->priv->stores_mutex);
+		g_mutex_lock (cache->priv->stores_mutex);
 	}
-	self->priv->update_id = 0;
-	g_mutex_unlock (self->priv->stores_mutex);
+	cache->priv->update_id = 0;
+	g_mutex_unlock (cache->priv->stores_mutex);
 
 	return FALSE;
 }
 
 static void
-flush_updates (MailFolderCache *self)
+flush_updates (MailFolderCache *cache)
 {
-	if (self->priv->update_id > 0)
+	if (cache->priv->update_id > 0)
 		return;
 
-	if (g_queue_is_empty (&self->priv->updates))
+	if (g_queue_is_empty (&cache->priv->updates))
 		return;
 
-	self->priv->update_id = g_idle_add (
-		(GSourceFunc) flush_updates_idle_cb, self);
+	cache->priv->update_id = g_idle_add (
+		(GSourceFunc) flush_updates_idle_cb, cache);
 }
 
 /* This is how unread counts work (and don't work):
@@ -247,7 +251,7 @@ flush_updates (MailFolderCache *self)
  * it's correct.  */
 
 static void
-update_1folder (MailFolderCache *self,
+update_1folder (MailFolderCache *cache,
                 struct _folder_info *mfi,
                 gint new,
                 const gchar *msg_uid,
@@ -274,8 +278,8 @@ update_1folder (MailFolderCache *self,
 		folder_is_vtrash = CAMEL_IS_VTRASH_FOLDER (folder);
 
 		special_case =
-			(self->priv->count_trash && folder_is_vtrash) ||
-			(self->priv->count_sent && folder_is_sent) ||
+			(cache->priv->count_trash && folder_is_vtrash) ||
+			(cache->priv->count_sent && folder_is_sent) ||
 			folder_is_drafts || folder_is_outbox;
 
 		if (special_case) {
@@ -313,14 +317,14 @@ update_1folder (MailFolderCache *self,
 	up->msg_uid = g_strdup (msg_uid);
 	up->msg_sender = g_strdup (msg_sender);
 	up->msg_subject = g_strdup (msg_subject);
-	g_queue_push_tail (&self->priv->updates, up);
-	flush_updates (self);
+	g_queue_push_tail (&cache->priv->updates, up);
+	flush_updates (cache);
 }
 
 static void
 folder_changed_cb (CamelFolder *folder,
                    CamelFolderChangeInfo *changes,
-                   MailFolderCache *self)
+                   MailFolderCache *cache)
 {
 	static GHashTable *last_newmail_per_folder = NULL;
 	time_t latest_received, new_latest_received;
@@ -395,14 +399,14 @@ folder_changed_cb (CamelFolder *folder,
 			last_newmail_per_folder, folder,
 			GINT_TO_POINTER (new_latest_received));
 
-	g_mutex_lock (self->priv->stores_mutex);
-	if (self->priv->stores != NULL
-	    && (si = g_hash_table_lookup (self->priv->stores, parent_store)) != NULL
+	g_mutex_lock (cache->priv->stores_mutex);
+	if (cache->priv->stores != NULL
+	    && (si = g_hash_table_lookup (cache->priv->stores, parent_store)) != NULL
 	    && (mfi = g_hash_table_lookup (si->folders, full_name)) != NULL
 	    && mfi->folder == folder) {
-		update_1folder (self, mfi, new, uid, sender, subject, NULL);
+		update_1folder (cache, mfi, new, uid, sender, subject, NULL);
 	}
-	g_mutex_unlock (self->priv->stores_mutex);
+	g_mutex_unlock (cache->priv->stores_mutex);
 
 	g_free (uid);
 	g_free (sender);
@@ -410,7 +414,7 @@ folder_changed_cb (CamelFolder *folder,
 }
 
 static void
-unset_folder_info (MailFolderCache *self,
+unset_folder_info (MailFolderCache *cache,
                    struct _folder_info *mfi,
                    gint delete,
                    gint unsub)
@@ -423,7 +427,7 @@ unset_folder_info (MailFolderCache *self,
 		CamelFolder *folder = mfi->folder;
 
 		g_signal_handlers_disconnect_by_func (
-			folder, folder_changed_cb, self);
+			folder, folder_changed_cb, cache);
 
 		g_object_remove_weak_pointer (
 			G_OBJECT (mfi->folder), &mfi->folder);
@@ -438,8 +442,8 @@ unset_folder_info (MailFolderCache *self,
 		up->store = g_object_ref (mfi->store_info->store);
 		up->full_name = g_strdup (mfi->full_name);
 
-		g_queue_push_tail (&self->priv->updates, up);
-		flush_updates (self);
+		g_queue_push_tail (&cache->priv->updates, up);
+		flush_updates (cache);
 	}
 }
 
@@ -451,7 +455,7 @@ free_folder_info (struct _folder_info *mfi)
 }
 
 static void
-setup_folder (MailFolderCache *self,
+setup_folder (MailFolderCache *cache,
               CamelFolderInfo *fi,
               struct _store_info *si)
 {
@@ -460,7 +464,7 @@ setup_folder (MailFolderCache *self,
 
 	mfi = g_hash_table_lookup (si->folders, fi->full_name);
 	if (mfi) {
-		update_1folder (self, mfi, 0, NULL, NULL, NULL, fi);
+		update_1folder (cache, mfi, 0, NULL, NULL, NULL, fi);
 	} else {
 		mfi = g_malloc0 (sizeof (*mfi));
 		mfi->full_name = g_strdup (fi->full_name);
@@ -478,21 +482,21 @@ setup_folder (MailFolderCache *self,
 		if ((fi->flags & CAMEL_FOLDER_NOSELECT) == 0)
 			up->add = TRUE;
 
-		g_queue_push_tail (&self->priv->updates, up);
-		flush_updates (self);
+		g_queue_push_tail (&cache->priv->updates, up);
+		flush_updates (cache);
 	}
 }
 
 static void
-create_folders (MailFolderCache *self,
+create_folders (MailFolderCache *cache,
                 CamelFolderInfo *fi,
                 struct _store_info *si)
 {
 	while (fi) {
-		setup_folder (self, fi, si);
+		setup_folder (cache, fi, si);
 
 		if (fi->child)
-			create_folders (self, fi->child, si);
+			create_folders (cache, fi->child, si);
 
 		fi = fi->next;
 	}
@@ -501,15 +505,15 @@ create_folders (MailFolderCache *self,
 static void
 store_folder_subscribed_cb (CamelStore *store,
                             CamelFolderInfo *info,
-                            MailFolderCache *self)
+                            MailFolderCache *cache)
 {
 	struct _store_info *si;
 
-	g_mutex_lock (self->priv->stores_mutex);
-	si = g_hash_table_lookup (self->priv->stores, store);
+	g_mutex_lock (cache->priv->stores_mutex);
+	si = g_hash_table_lookup (cache->priv->stores, store);
 	if (si)
-		setup_folder (self, info, si);
-	g_mutex_unlock (self->priv->stores_mutex);
+		setup_folder (cache, info, si);
+	g_mutex_unlock (cache->priv->stores_mutex);
 }
 
 static void
@@ -526,45 +530,45 @@ store_folder_created_cb (CamelStore *store,
 static void
 store_folder_opened_cb (CamelStore *store,
                         CamelFolder *folder,
-                        MailFolderCache *self)
+                        MailFolderCache *cache)
 {
-	mail_folder_cache_note_folder (self, folder);
+	mail_folder_cache_note_folder (cache, folder);
 }
 
 static void
 store_folder_unsubscribed_cb (CamelStore *store,
                               CamelFolderInfo *info,
-                              MailFolderCache *self)
+                              MailFolderCache *cache)
 {
 	struct _store_info *si;
 	struct _folder_info *mfi;
 
-	g_mutex_lock (self->priv->stores_mutex);
-	si = g_hash_table_lookup (self->priv->stores, store);
+	g_mutex_lock (cache->priv->stores_mutex);
+	si = g_hash_table_lookup (cache->priv->stores, store);
 	if (si) {
 		mfi = g_hash_table_lookup (si->folders, info->full_name);
 		if (mfi) {
 			g_hash_table_remove (si->folders, mfi->full_name);
-			unset_folder_info (self, mfi, TRUE, TRUE);
+			unset_folder_info (cache, mfi, TRUE, TRUE);
 			free_folder_info (mfi);
 		}
 	}
-	g_mutex_unlock (self->priv->stores_mutex);
+	g_mutex_unlock (cache->priv->stores_mutex);
 }
 
 static void
 store_folder_deleted_cb (CamelStore *store,
                          CamelFolderInfo *info,
-                         MailFolderCache *self)
+                         MailFolderCache *cache)
 {
 	/* We only want deleted events to do more work
 	 * if we dont support subscriptions. */
 	if (!CAMEL_IS_SUBSCRIBABLE (store))
-		store_folder_unsubscribed_cb (store, info, self);
+		store_folder_unsubscribed_cb (store, info, cache);
 }
 
 static void
-rename_folders (MailFolderCache *self,
+rename_folders (MailFolderCache *cache,
                 struct _store_info *si,
                 const gchar *oldbase,
                 const gchar *newbase,
@@ -610,13 +614,13 @@ rename_folders (MailFolderCache *self,
 	if ((fi->flags & CAMEL_FOLDER_NOSELECT) == 0)
 		up->add = TRUE;
 
-	g_queue_push_tail (&self->priv->updates, up);
-	flush_updates (self);
+	g_queue_push_tail (&cache->priv->updates, up);
+	flush_updates (cache);
 #if 0
 	if (fi->sibling)
-		rename_folders (self, si, oldbase, newbase, fi->sibling, folders);
+		rename_folders (cache, si, oldbase, newbase, fi->sibling, folders);
 	if (fi->child)
-		rename_folders (self, si, oldbase, newbase, fi->child, folders);
+		rename_folders (cache, si, oldbase, newbase, fi->child, folders);
 #endif
 
 	/* rename the meta-data we maintain ourselves */
@@ -669,12 +673,12 @@ static void
 store_folder_renamed_cb (CamelStore *store,
                          const gchar *old_name,
                          CamelFolderInfo *info,
-                         MailFolderCache *self)
+                         MailFolderCache *cache)
 {
 	struct _store_info *si;
 
-	g_mutex_lock (self->priv->stores_mutex);
-	si = g_hash_table_lookup (self->priv->stores, store);
+	g_mutex_lock (cache->priv->stores_mutex);
+	si = g_hash_table_lookup (cache->priv->stores, store);
 	if (si) {
 		GPtrArray *folders = g_ptr_array_new ();
 		CamelFolderInfo *top;
@@ -687,13 +691,13 @@ store_folder_renamed_cb (CamelStore *store,
 
 		top = folders->pdata[0];
 		for (i = 0; i < folders->len; i++) {
-			rename_folders (self, si, old_name, top->full_name, folders->pdata[i]);
+			rename_folders (cache, si, old_name, top->full_name, folders->pdata[i]);
 		}
 
 		g_ptr_array_free (folders, TRUE);
 
 	}
-	g_mutex_unlock (self->priv->stores_mutex);
+	g_mutex_unlock (cache->priv->stores_mutex);
 }
 
 struct _update_data {
@@ -708,8 +712,8 @@ unset_folder_info_hash (gchar *path,
                         struct _folder_info *mfi,
                         gpointer data)
 {
-	MailFolderCache *self = (MailFolderCache *) data;
-	unset_folder_info (self, mfi, FALSE, FALSE);
+	MailFolderCache *cache = (MailFolderCache *) data;
+	unset_folder_info (cache, mfi, FALSE, FALSE);
 }
 
 static void
@@ -842,13 +846,13 @@ ping_store (CamelStore *store)
 }
 
 static gboolean
-ping_cb (MailFolderCache *self)
+ping_cb (MailFolderCache *cache)
 {
-	g_mutex_lock (self->priv->stores_mutex);
+	g_mutex_lock (cache->priv->stores_mutex);
 
-	g_hash_table_foreach (self->priv->stores, (GHFunc) ping_store, NULL);
+	g_hash_table_foreach (cache->priv->stores, (GHFunc) ping_store, NULL);
 
-	g_mutex_unlock (self->priv->stores_mutex);
+	g_mutex_unlock (cache->priv->stores_mutex);
 
 	return TRUE;
 }
@@ -1064,26 +1068,25 @@ mail_folder_cache_class_init (MailFolderCacheClass *class)
 }
 
 static void
-mail_folder_cache_init (MailFolderCache *self)
+mail_folder_cache_init (MailFolderCache *cache)
 {
 	const gchar *buf;
 	guint timeout;
 
-	self->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-		self, MAIL_TYPE_FOLDER_CACHE, MailFolderCachePrivate);
+	cache->priv = MAIL_FOLDER_CACHE_GET_PRIVATE (cache);
 
 	/* initialize values */
-	self->priv->stores = g_hash_table_new (NULL, NULL);
-	self->priv->stores_mutex = g_mutex_new ();
+	cache->priv->stores = g_hash_table_new (NULL, NULL);
+	cache->priv->stores_mutex = g_mutex_new ();
 
-	g_queue_init (&self->priv->updates);
-	self->priv->count_sent = getenv("EVOLUTION_COUNT_SENT") != NULL;
-	self->priv->count_trash = getenv("EVOLUTION_COUNT_TRASH") != NULL;
+	g_queue_init (&cache->priv->updates);
+	cache->priv->count_sent = getenv("EVOLUTION_COUNT_SENT") != NULL;
+	cache->priv->count_trash = getenv("EVOLUTION_COUNT_TRASH") != NULL;
 
 	buf = getenv ("EVOLUTION_PING_TIMEOUT");
 	timeout = buf ? strtoul (buf, NULL, 10) : 600;
-	self->priv->ping_id = g_timeout_add_seconds (
-		timeout, (GSourceFunc) ping_cb, self);
+	cache->priv->ping_id = g_timeout_add_seconds (
+		timeout, (GSourceFunc) ping_cb, cache);
 }
 
 MailFolderCache *
@@ -1100,7 +1103,7 @@ mail_folder_cache_new (void)
  * @done function returns if we can free folder info.
  */
 void
-mail_folder_cache_note_store (MailFolderCache *self,
+mail_folder_cache_note_store (MailFolderCache *cache,
                               CamelSession *session,
                               CamelStore *store,
                               GCancellable *cancellable,
@@ -1114,14 +1117,14 @@ mail_folder_cache_note_store (MailFolderCache *self,
 	g_return_if_fail (CAMEL_IS_STORE (store));
 	g_return_if_fail (mail_in_main_thread ());
 
-	g_mutex_lock (self->priv->stores_mutex);
+	g_mutex_lock (cache->priv->stores_mutex);
 
-	si = g_hash_table_lookup (self->priv->stores, store);
+	si = g_hash_table_lookup (cache->priv->stores, store);
 	if (si == NULL) {
 		si = g_malloc0 (sizeof (*si));
 		si->folders = g_hash_table_new (g_str_hash, g_str_equal);
 		si->store = g_object_ref (store);
-		g_hash_table_insert (self->priv->stores, store, si);
+		g_hash_table_insert (cache->priv->stores, store, si);
 		g_queue_init (&si->folderinfo_updates);
 		hook = TRUE;
 	}
@@ -1129,7 +1132,7 @@ mail_folder_cache_note_store (MailFolderCache *self,
 	ud = g_malloc0 (sizeof (*ud));
 	ud->done = done;
 	ud->data = data;
-	ud->cache = self;
+	ud->cache = cache;
 
 	if (G_IS_CANCELLABLE (cancellable))
 		ud->cancellable = g_object_ref (cancellable);
@@ -1170,32 +1173,32 @@ mail_folder_cache_note_store (MailFolderCache *self,
 
 	g_queue_push_tail (&si->folderinfo_updates, ud);
 
-	g_mutex_unlock (self->priv->stores_mutex);
+	g_mutex_unlock (cache->priv->stores_mutex);
 
 	/* there is potential for race here, but it is safe as we check
 	 * for the store anyway */
 	if (hook) {
 		g_signal_connect (
 			store, "folder-opened",
-			G_CALLBACK (store_folder_opened_cb), self);
+			G_CALLBACK (store_folder_opened_cb), cache);
 		g_signal_connect (
 			store, "folder-created",
-			G_CALLBACK (store_folder_created_cb), self);
+			G_CALLBACK (store_folder_created_cb), cache);
 		g_signal_connect (
 			store, "folder-deleted",
-			G_CALLBACK (store_folder_deleted_cb), self);
+			G_CALLBACK (store_folder_deleted_cb), cache);
 		g_signal_connect (
 			store, "folder-renamed",
-			G_CALLBACK (store_folder_renamed_cb), self);
+			G_CALLBACK (store_folder_renamed_cb), cache);
 	}
 
 	if (hook && CAMEL_IS_SUBSCRIBABLE (store)) {
 		g_signal_connect (
 			store, "folder-subscribed",
-			G_CALLBACK (store_folder_subscribed_cb), self);
+			G_CALLBACK (store_folder_subscribed_cb), cache);
 		g_signal_connect (
 			store, "folder-unsubscribed",
-			G_CALLBACK (store_folder_unsubscribed_cb), self);
+			G_CALLBACK (store_folder_unsubscribed_cb), cache);
 	}
 }
 
@@ -1205,31 +1208,31 @@ mail_folder_cache_note_store (MailFolderCache *self,
  * Notify the cache that the specified @store can be removed from the cache
  */
 void
-mail_folder_cache_note_store_remove (MailFolderCache *self,
+mail_folder_cache_note_store_remove (MailFolderCache *cache,
                                      CamelStore *store)
 {
 	struct _store_info *si;
 
 	g_return_if_fail (CAMEL_IS_STORE (store));
 
-	if (self->priv->stores == NULL)
+	if (cache->priv->stores == NULL)
 		return;
 
 	d(printf("store removed!!\n"));
-	g_mutex_lock (self->priv->stores_mutex);
-	si = g_hash_table_lookup (self->priv->stores, store);
+	g_mutex_lock (cache->priv->stores_mutex);
+	si = g_hash_table_lookup (cache->priv->stores, store);
 	if (si) {
 		GList *link;
 
-		g_hash_table_remove (self->priv->stores, store);
+		g_hash_table_remove (cache->priv->stores, store);
 
 		g_signal_handlers_disconnect_matched (
 			store, G_SIGNAL_MATCH_DATA,
-			0, 0, NULL, NULL, self);
+			0, 0, NULL, NULL, cache);
 
 		g_hash_table_foreach (
 			si->folders, (GHFunc)
-			unset_folder_info_hash, self);
+			unset_folder_info_hash, cache);
 
 		link = g_queue_peek_head_link (&si->folderinfo_updates);
 
@@ -1245,7 +1248,7 @@ mail_folder_cache_note_store_remove (MailFolderCache *self,
 		g_free (si);
 	}
 
-	g_mutex_unlock (self->priv->stores_mutex);
+	g_mutex_unlock (cache->priv->stores_mutex);
 }
 
 /**
@@ -1256,7 +1259,7 @@ mail_folder_cache_note_store_remove (MailFolderCache *self,
  * folder can be opened
  */
 void
-mail_folder_cache_note_folder (MailFolderCache *self,
+mail_folder_cache_note_folder (MailFolderCache *cache,
                                CamelFolder *folder)
 {
 	CamelStore *parent_store;
@@ -1267,18 +1270,18 @@ mail_folder_cache_note_folder (MailFolderCache *self,
 	full_name = camel_folder_get_full_name (folder);
 	parent_store = camel_folder_get_parent_store (folder);
 
-	g_mutex_lock (self->priv->stores_mutex);
-	if (self->priv->stores == NULL
-	    || (si = g_hash_table_lookup (self->priv->stores, parent_store)) == NULL
+	g_mutex_lock (cache->priv->stores_mutex);
+	if (cache->priv->stores == NULL
+	    || (si = g_hash_table_lookup (cache->priv->stores, parent_store)) == NULL
 	    || (mfi = g_hash_table_lookup (si->folders, full_name)) == NULL) {
 		w(g_warning("Noting folder before store initialised"));
-		g_mutex_unlock (self->priv->stores_mutex);
+		g_mutex_unlock (cache->priv->stores_mutex);
 		return;
 	}
 
 	/* dont do anything if we already have this */
 	if (mfi->folder == folder) {
-		g_mutex_unlock (self->priv->stores_mutex);
+		g_mutex_unlock (cache->priv->stores_mutex);
 		return;
 	}
 
@@ -1286,13 +1289,13 @@ mail_folder_cache_note_folder (MailFolderCache *self,
 
 	g_object_add_weak_pointer (G_OBJECT (folder), &mfi->folder);
 
-	update_1folder (self, mfi, 0, NULL, NULL, NULL, NULL);
+	update_1folder (cache, mfi, 0, NULL, NULL, NULL, NULL);
 
-	g_mutex_unlock (self->priv->stores_mutex);
+	g_mutex_unlock (cache->priv->stores_mutex);
 
 	g_signal_connect (
 		folder, "changed",
-		G_CALLBACK (folder_changed_cb), self);
+		G_CALLBACK (folder_changed_cb), cache);
 }
 
 /**
@@ -1304,18 +1307,18 @@ mail_folder_cache_note_folder (MailFolderCache *self,
  *          folder if the folder has also already been opened
  */
 gboolean
-mail_folder_cache_get_folder_from_uri (MailFolderCache *self,
+mail_folder_cache_get_folder_from_uri (MailFolderCache *cache,
                                        const gchar *uri,
                                        CamelFolder **folderp)
 {
 	struct _find_info fi = { uri, NULL };
 
-	if (self->priv->stores == NULL)
+	if (cache->priv->stores == NULL)
 		return FALSE;
 
-	g_mutex_lock (self->priv->stores_mutex);
+	g_mutex_lock (cache->priv->stores_mutex);
 	g_hash_table_foreach (
-		self->priv->stores, (GHFunc)
+		cache->priv->stores, (GHFunc)
 		storeinfo_find_folder_info, &fi);
 	if (folderp) {
 		if (fi.fi && fi.fi->folder)
@@ -1323,28 +1326,28 @@ mail_folder_cache_get_folder_from_uri (MailFolderCache *self,
 		else
 			*folderp = NULL;
 	}
-	g_mutex_unlock (self->priv->stores_mutex);
+	g_mutex_unlock (cache->priv->stores_mutex);
 
 	return fi.fi != NULL;
 }
 
 gboolean
-mail_folder_cache_get_folder_info_flags (MailFolderCache *self,
+mail_folder_cache_get_folder_info_flags (MailFolderCache *cache,
                                          CamelFolder *folder,
                                          CamelFolderInfoFlags *flags)
 {
 	struct _find_info fi = { NULL, NULL };
 	gchar *folder_uri;
 
-	if (self->priv->stores == NULL)
+	if (cache->priv->stores == NULL)
 		return FALSE;
 
 	folder_uri = e_mail_folder_uri_from_folder (folder);
 	fi.folder_uri = folder_uri;
 
-	g_mutex_lock (self->priv->stores_mutex);
+	g_mutex_lock (cache->priv->stores_mutex);
 	g_hash_table_foreach (
-		self->priv->stores, (GHFunc)
+		cache->priv->stores, (GHFunc)
 		storeinfo_find_folder_info, &fi);
 	if (flags) {
 		if (fi.fi)
@@ -1352,7 +1355,7 @@ mail_folder_cache_get_folder_info_flags (MailFolderCache *self,
 		else
 			*flags = 0;
 	}
-	g_mutex_unlock (self->priv->stores_mutex);
+	g_mutex_unlock (cache->priv->stores_mutex);
 
 	g_free (folder_uri);
 
@@ -1362,29 +1365,29 @@ mail_folder_cache_get_folder_info_flags (MailFolderCache *self,
 /* Returns whether folder 'folder' has children based on folder_info->child property.
  * If not found returns FALSE and sets 'found' to FALSE, if not NULL. */
 gboolean
-mail_folder_cache_get_folder_has_children (MailFolderCache *self,
+mail_folder_cache_get_folder_has_children (MailFolderCache *cache,
                                            CamelFolder *folder,
                                            gboolean *found)
 {
 	struct _find_info fi = { NULL, NULL };
 	gchar *folder_uri;
 
-	g_return_val_if_fail (self != NULL, FALSE);
+	g_return_val_if_fail (cache != NULL, FALSE);
 	g_return_val_if_fail (folder != NULL, FALSE);
 
-	if (self->priv->stores == NULL)
+	if (cache->priv->stores == NULL)
 		return FALSE;
 
 	folder_uri = e_mail_folder_uri_from_folder (folder);
 	fi.folder_uri = folder_uri;
 
-	g_mutex_lock (self->priv->stores_mutex);
+	g_mutex_lock (cache->priv->stores_mutex);
 	g_hash_table_foreach (
-		self->priv->stores, (GHFunc)
+		cache->priv->stores, (GHFunc)
 		storeinfo_find_folder_info, &fi);
 	if (found)
 		*found = fi.fi != NULL;
-	g_mutex_unlock (self->priv->stores_mutex);
+	g_mutex_unlock (cache->priv->stores_mutex);
 
 	g_free (folder_uri);
 
diff --git a/mail/mail.error.xml b/mail/mail.error.xml
index f811abb9fd..118acc1522 100644
--- a/mail/mail.error.xml
+++ b/mail/mail.error.xml
@@ -396,13 +396,6 @@ An mbox account will be created to preserve the old mbox folders. You can delete
     <_secondary xml:space="preserve">Please check your account settings and try again.</_secondary>
   </error>
 
-  <error id="ask-receipt" type="question" default="GTK_RESPONSE_NO">
-    <_primary>Read receipt requested.</_primary>
-    <_secondary xml:space="preserve">A read receipt notification has been requested for "{1}". Send the receipt notification to {0}?</_secondary>
-    <button _label="Do _Not Send" response="GTK_RESPONSE_NO"/>
-    <button _label="_Send Receipt" response="GTK_RESPONSE_YES"/>
-  </error>
-
   <error id="ask-quick-offline" type="question" default="GTK_RESPONSE_NO">
     <_primary>Synchronize folders locally for offline usage?</_primary>
     <_secondary xml:space="preserve">Do you want to locally synchronize the folders that are marked for offline usage?</_secondary>
diff --git a/mail/message-list.c b/mail/message-list.c
index 1b8f0d16fd..c322f56af1 100644
--- a/mail/message-list.c
+++ b/mail/message-list.c
@@ -95,6 +95,10 @@
 #define d(x)
 #define t(x)
 
+#define MESSAGE_LIST_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), MESSAGE_LIST_TYPE, MessageListPrivate))
+
 struct _MLSelection {
 	GPtrArray *uids;
 	CamelFolder *folder;
@@ -133,7 +137,17 @@ enum {
 	PROP_PASTE_TARGET_LIST
 };
 
-static gpointer parent_class;
+/* Forward Declarations */
+static void	message_list_selectable_init
+					(ESelectableInterface *interface);
+
+G_DEFINE_TYPE_WITH_CODE (
+	MessageList,
+	message_list,
+	E_TYPE_TREE,
+	G_IMPLEMENT_INTERFACE (
+		E_TYPE_SELECTABLE,
+		message_list_selectable_init))
 
 static struct {
 	const gchar *target;
@@ -2548,8 +2562,7 @@ message_list_init (MessageList *message_list)
 	GtkTargetList *target_list;
 	GdkAtom matom;
 
-	message_list->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-		message_list, MESSAGE_LIST_TYPE, MessageListPrivate);
+	message_list->priv = MESSAGE_LIST_GET_PRIVATE (message_list);
 
 #if HAVE_CLUTTER
 	message_list->priv->timeline = NULL;
@@ -2707,7 +2720,7 @@ message_list_dispose (GObject *object)
 	}
 
 	/* Chain up to parent's dispose() method. */
-	G_OBJECT_CLASS (parent_class)->dispose (object);
+	G_OBJECT_CLASS (message_list_parent_class)->dispose (object);
 }
 
 static void
@@ -2736,7 +2749,7 @@ message_list_finalize (GObject *object)
 	clear_selection (message_list, &priv->clipboard);
 
 	/* Chain up to parent's finalize() method. */
-	G_OBJECT_CLASS (parent_class)->finalize (object);
+	G_OBJECT_CLASS (message_list_parent_class)->finalize (object);
 }
 
 static void
@@ -2769,7 +2782,6 @@ message_list_class_init (MessageListClass *class)
 	for (i = 0; i < G_N_ELEMENTS (ml_drag_info); i++)
 		ml_drag_info[i].atom = gdk_atom_intern (ml_drag_info[i].target, FALSE);
 
-	parent_class = g_type_class_peek_parent (class);
 	g_type_class_add_private (class, sizeof (MessageListPrivate));
 
 	object_class = G_OBJECT_CLASS (class);
@@ -2935,41 +2947,6 @@ message_list_construct (MessageList *message_list)
 		G_CALLBACK (ml_tree_sorting_changed), message_list);
 }
 
-GType
-message_list_get_type (void)
-{
-	static GType type = 0;
-
-	if (G_UNLIKELY (type == 0)) {
-		static const GTypeInfo type_info = {
-			sizeof (MessageListClass),
-			(GBaseInitFunc) NULL,
-			(GBaseFinalizeFunc) NULL,
-			(GClassInitFunc) message_list_class_init,
-			(GClassFinalizeFunc) NULL,
-			NULL,  /* class_data */
-			sizeof (MessageList),
-			0,     /* n_preallocs */
-			(GInstanceInitFunc) message_list_init,
-			NULL   /* value_table */
-		};
-
-		static const GInterfaceInfo selectable_info = {
-			(GInterfaceInitFunc) message_list_selectable_init,
-			(GInterfaceFinalizeFunc) NULL,
-			NULL   /* interface_data */
-		};
-
-		type = g_type_register_static (
-			E_TYPE_TREE, "MessageList", &type_info, 0);
-
-		g_type_add_interface_static (
-			type, E_TYPE_SELECTABLE, &selectable_info);
-	}
-
-	return type;
-}
-
 /**
  * message_list_new:
  *
diff --git a/modules/Makefile.am b/modules/Makefile.am
index dd363d27a3..ee3cdfdb1a 100644
--- a/modules/Makefile.am
+++ b/modules/Makefile.am
@@ -29,6 +29,7 @@ SUBDIRS = \
 	mail \
 	composer-autosave \
 	mailto-handler \
+	mdn \
 	offline-alert \
 	plugin-lib \
 	plugin-manager \
diff --git a/modules/mail/e-mail-shell-content.c b/modules/mail/e-mail-shell-content.c
index 7918930736..e3b9f1f5ff 100644
--- a/modules/mail/e-mail-shell-content.c
+++ b/modules/mail/e-mail-shell-content.c
@@ -46,6 +46,10 @@
 #include "e-mail-shell-backend.h"
 #include "e-mail-shell-view-actions.h"
 
+#define E_MAIL_SHELL_CONTENT_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_MAIL_SHELL_CONTENT, EMailShellContentPrivate))
+
 struct _EMailShellContentPrivate {
 	EMailView *mail_view;
 };
@@ -153,7 +157,7 @@ mail_shell_content_dispose (GObject *object)
 {
 	EMailShellContentPrivate *priv;
 
-	priv = E_MAIL_SHELL_CONTENT (object)->priv;
+	priv = E_MAIL_SHELL_CONTENT_GET_PRIVATE (object);
 
 	if (priv->mail_view != NULL) {
 		g_object_unref (priv->mail_view);
@@ -173,7 +177,7 @@ mail_shell_content_constructed (GObject *object)
 	GtkWidget *container;
 	GtkWidget *widget;
 
-	priv = E_MAIL_SHELL_CONTENT (object)->priv;
+	priv = E_MAIL_SHELL_CONTENT_GET_PRIVATE (object);
 
 	/* Chain up to parent's constructed () method. */
 	G_OBJECT_CLASS (parent_class)->constructed (object);
@@ -209,14 +213,14 @@ mail_shell_content_constructed (GObject *object)
 static guint32
 mail_shell_content_check_state (EShellContent *shell_content)
 {
-	EMailShellContentPrivate *priv;
+	EMailShellContent *mail_shell_content;
 	EMailReader *reader;
 
-	priv = E_MAIL_SHELL_CONTENT (shell_content)->priv;
+	mail_shell_content = E_MAIL_SHELL_CONTENT (shell_content);
 
 	/* Forward this to our internal EMailView, which
 	 * also implements the EMailReader interface. */
-	reader = E_MAIL_READER (priv->mail_view);
+	reader = E_MAIL_READER (mail_shell_content->priv->mail_view);
 
 	return e_mail_reader_check_state (reader);
 }
@@ -224,13 +228,13 @@ mail_shell_content_check_state (EShellContent *shell_content)
 static void
 mail_shell_content_focus_search_results (EShellContent *shell_content)
 {
-	EMailShellContentPrivate *priv;
+	EMailShellContent *mail_shell_content;
 	GtkWidget *message_list;
 	EMailReader *reader;
 
-	priv = E_MAIL_SHELL_CONTENT (shell_content)->priv;
+	mail_shell_content = E_MAIL_SHELL_CONTENT (shell_content);
 
-	reader = E_MAIL_READER (priv->mail_view);
+	reader = E_MAIL_READER (mail_shell_content->priv->mail_view);
 	message_list = e_mail_reader_get_message_list (reader);
 
 	gtk_widget_grab_focus (message_list);
@@ -239,13 +243,13 @@ mail_shell_content_focus_search_results (EShellContent *shell_content)
 static guint
 mail_shell_content_open_selected_mail (EMailReader *reader)
 {
-	EMailShellContentPrivate *priv;
+	EMailShellContent *mail_shell_content;
 
-	priv = E_MAIL_SHELL_CONTENT (reader)->priv;
+	mail_shell_content = E_MAIL_SHELL_CONTENT (reader);
 
 	/* Forward this to our internal EMailView, which
 	 * also implements the EMailReader interface. */
-	reader = E_MAIL_READER (priv->mail_view);
+	reader = E_MAIL_READER (mail_shell_content->priv->mail_view);
 
 	return e_mail_reader_open_selected_mail (reader);
 }
@@ -277,30 +281,16 @@ mail_shell_content_get_action_group (EMailReader *reader,
 	return e_shell_window_get_action_group (shell_window, group_name);
 }
 
-static EAlertSink *
-mail_shell_content_get_alert_sink (EMailReader *reader)
-{
-	EMailShellContentPrivate *priv;
-
-	priv = E_MAIL_SHELL_CONTENT (reader)->priv;
-
-	/* Forward this to our internal EMailView, which
-	 * also implements the EMailReader interface. */
-	reader = E_MAIL_READER (priv->mail_view);
-
-	return e_mail_reader_get_alert_sink (reader);
-}
-
 static EMailBackend *
 mail_shell_content_get_backend (EMailReader *reader)
 {
-	EMailShellContentPrivate *priv;
+	EMailShellContent *mail_shell_content;
 
-	priv = E_MAIL_SHELL_CONTENT (reader)->priv;
+	mail_shell_content = E_MAIL_SHELL_CONTENT (reader);
 
 	/* Forward this to our internal EMailView, which
 	 * also implements the EMailReader interface. */
-	reader = E_MAIL_READER (priv->mail_view);
+	reader = E_MAIL_READER (mail_shell_content->priv->mail_view);
 
 	return e_mail_reader_get_backend (reader);
 }
@@ -308,13 +298,13 @@ mail_shell_content_get_backend (EMailReader *reader)
 static EMFormatHTML *
 mail_shell_content_get_formatter (EMailReader *reader)
 {
-	EMailShellContentPrivate *priv;
+	EMailShellContent *mail_shell_content;
 
-	priv = E_MAIL_SHELL_CONTENT (reader)->priv;
+	mail_shell_content = E_MAIL_SHELL_CONTENT (reader);
 
 	/* Forward this to our internal EMailView, which
 	 * also implements the EMailReader interface. */
-	reader = E_MAIL_READER (priv->mail_view);
+	reader = E_MAIL_READER (mail_shell_content->priv->mail_view);
 
 	return e_mail_reader_get_formatter (reader);
 }
@@ -322,13 +312,13 @@ mail_shell_content_get_formatter (EMailReader *reader)
 static gboolean
 mail_shell_content_get_hide_deleted (EMailReader *reader)
 {
-	EMailShellContentPrivate *priv;
+	EMailShellContent *mail_shell_content;
 
-	priv = E_MAIL_SHELL_CONTENT (reader)->priv;
+	mail_shell_content = E_MAIL_SHELL_CONTENT (reader);
 
 	/* Forward this to our internal EMailView, which
 	 * also implements the EMailReader interface. */
-	reader = E_MAIL_READER (priv->mail_view);
+	reader = E_MAIL_READER (mail_shell_content->priv->mail_view);
 
 	return e_mail_reader_get_hide_deleted (reader);
 }
@@ -336,13 +326,13 @@ mail_shell_content_get_hide_deleted (EMailReader *reader)
 static GtkWidget *
 mail_shell_content_get_message_list (EMailReader *reader)
 {
-	EMailShellContentPrivate *priv;
+	EMailShellContent *mail_shell_content;
 
-	priv = E_MAIL_SHELL_CONTENT (reader)->priv;
+	mail_shell_content = E_MAIL_SHELL_CONTENT (reader);
 
 	/* Forward this to our internal EMailView, which
 	 * also implements the EMailReader interface. */
-	reader = E_MAIL_READER (priv->mail_view);
+	reader = E_MAIL_READER (mail_shell_content->priv->mail_view);
 
 	return e_mail_reader_get_message_list (reader);
 }
@@ -350,58 +340,58 @@ mail_shell_content_get_message_list (EMailReader *reader)
 static GtkMenu *
 mail_shell_content_get_popup_menu (EMailReader *reader)
 {
-	EMailShellContentPrivate *priv;
+	EMailShellContent *mail_shell_content;
 
-	priv = E_MAIL_SHELL_CONTENT (reader)->priv;
+	mail_shell_content = E_MAIL_SHELL_CONTENT (reader);
 
 	/* Forward this to our internal EMailView, which
 	 * also implements the EMailReader interface. */
-	reader = E_MAIL_READER (priv->mail_view);
+	reader = E_MAIL_READER (mail_shell_content->priv->mail_view);
 
 	return e_mail_reader_get_popup_menu (reader);
 }
 
-static GtkWindow *
-mail_shell_content_get_window (EMailReader *reader)
+static EPreviewPane *
+mail_shell_content_get_preview_pane (EMailReader *reader)
 {
-	EMailShellContentPrivate *priv;
+	EMailShellContent *mail_shell_content;
 
-	priv = E_MAIL_SHELL_CONTENT (reader)->priv;
+	mail_shell_content = E_MAIL_SHELL_CONTENT (reader);
 
 	/* Forward this to our internal EMailView, which
 	 * also implements the EMailReader interface. */
-	reader = E_MAIL_READER (priv->mail_view);
+	reader = E_MAIL_READER (mail_shell_content->priv->mail_view);
 
-	return e_mail_reader_get_window (reader);
+	return e_mail_reader_get_preview_pane (reader);
 }
 
-static void
-mail_shell_content_set_folder (EMailReader *reader,
-                               CamelFolder *folder)
+static GtkWindow *
+mail_shell_content_get_window (EMailReader *reader)
 {
-	EMailShellContentPrivate *priv;
+	EMailShellContent *mail_shell_content;
 
-	priv = E_MAIL_SHELL_CONTENT (reader)->priv;
+	mail_shell_content = E_MAIL_SHELL_CONTENT (reader);
 
 	/* Forward this to our internal EMailView, which
 	 * also implements the EMailReader interface. */
-	reader = E_MAIL_READER (priv->mail_view);
+	reader = E_MAIL_READER (mail_shell_content->priv->mail_view);
 
-	return e_mail_reader_set_folder (reader, folder);
+	return e_mail_reader_get_window (reader);
 }
 
 static void
-mail_shell_content_show_search_bar (EMailReader *reader)
+mail_shell_content_set_folder (EMailReader *reader,
+                               CamelFolder *folder)
 {
-	EMailShellContentPrivate *priv;
+	EMailShellContent *mail_shell_content;
 
-	priv = E_MAIL_SHELL_CONTENT (reader)->priv;
+	mail_shell_content = E_MAIL_SHELL_CONTENT (reader);
 
 	/* Forward this to our internal EMailView, which
 	 * also implements the EMailReader interface. */
-	reader = E_MAIL_READER (priv->mail_view);
+	reader = E_MAIL_READER (mail_shell_content->priv->mail_view);
 
-	e_mail_reader_show_search_bar (reader);
+	return e_mail_reader_set_folder (reader, folder);
 }
 
 static void
@@ -456,9 +446,8 @@ mail_shell_content_class_init (EMailShellContentClass *class)
 static void
 mail_shell_content_init (EMailShellContent *mail_shell_content)
 {
-	mail_shell_content->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-		mail_shell_content, E_TYPE_MAIL_SHELL_CONTENT,
-		EMailShellContentPrivate);
+	mail_shell_content->priv =
+		E_MAIL_SHELL_CONTENT_GET_PRIVATE (mail_shell_content);
 
 	/* Postpone widget construction until we have a shell view. */
 }
@@ -473,15 +462,14 @@ static void
 mail_shell_content_reader_init (EMailReaderInterface *interface)
 {
 	interface->get_action_group = mail_shell_content_get_action_group;
-	interface->get_alert_sink = mail_shell_content_get_alert_sink;
 	interface->get_backend = mail_shell_content_get_backend;
 	interface->get_formatter = mail_shell_content_get_formatter;
 	interface->get_hide_deleted = mail_shell_content_get_hide_deleted;
 	interface->get_message_list = mail_shell_content_get_message_list;
 	interface->get_popup_menu = mail_shell_content_get_popup_menu;
+	interface->get_preview_pane = mail_shell_content_get_preview_pane;
 	interface->get_window = mail_shell_content_get_window;
 	interface->set_folder = mail_shell_content_set_folder;
-	interface->show_search_bar = mail_shell_content_show_search_bar;
 	interface->open_selected_mail = mail_shell_content_open_selected_mail;
 }
 
diff --git a/modules/mdn/Makefile.am b/modules/mdn/Makefile.am
new file mode 100644
index 0000000000..16976b54c1
--- /dev/null
+++ b/modules/mdn/Makefile.am
@@ -0,0 +1,36 @@
+module_LTLIBRARIES = libevolution-module-mdn.la
+
+libevolution_module_mdn_la_CPPFLAGS =				\
+	$(AM_CPPFLAGS)						\
+	-I$(top_srcdir)						\
+	-I$(top_srcdir)/widgets					\
+	-DG_LOG_DOMAIN=\"evolution-mdn\"			\
+	$(EVOLUTION_DATA_SERVER_CFLAGS)				\
+	$(GNOME_PLATFORM_CFLAGS)				\
+	$(GTKHTML_CFLAGS)
+
+libevolution_module_mdn_la_SOURCES =				\
+	evolution-mdn.c
+
+libevolution_module_mdn_la_LIBADD =				\
+	$(top_builddir)/mail/libevolution-mail.la		\
+	$(top_builddir)/e-util/libeutil.la			\
+	$(top_builddir)/shell/libeshell.la			\
+	$(EVOLUTION_DATA_SERVER_LIBS)				\
+	$(GNOME_PLATFORM_LIBS)					\
+	$(GTKHTML_LIBS)
+
+libevolution_module_mdn_la_LDFLAGS =				\
+	-module -avoid-version $(NO_UNDEFINED)
+
+error_DATA = evolution-mdn.error
+errordir = $(privdatadir)/errors
+@EVO_PLUGIN_RULE@
+
+BUILT_SOURCES = $(error_DATA)
+
+CLEANFILES = $(BUILT_SOURCES)
+
+EXTRA_DIST = evolution-mdn.error.xml
+
+-include $(top_srcdir)/git.mk
diff --git a/modules/mdn/evolution-mdn.c b/modules/mdn/evolution-mdn.c
new file mode 100644
index 0000000000..4311ab73bf
--- /dev/null
+++ b/modules/mdn/evolution-mdn.c
@@ -0,0 +1,569 @@
+/*
+ * evolution-mdn.c
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+#include <config.h>
+#include <string.h>
+#include <glib/gi18n-lib.h>
+
+#include <libebackend/e-extension.h>
+
+#include <e-util/e-alert-dialog.h>
+#include <e-util/e-account-utils.h>
+
+#include <mail/em-utils.h>
+#include <mail/e-mail-local.h>
+#include <mail/e-mail-reader.h>
+#include <mail/mail-send-recv.h>
+#include <mail/em-composer-utils.h>
+#include <mail/e-mail-folder-utils.h>
+
+#define MDN_USER_FLAG "receipt-handled"
+
+typedef EExtension EMdn;
+typedef EExtensionClass EMdnClass;
+
+typedef struct _MdnContext MdnContext;
+
+struct _MdnContext {
+	EAccount *account;
+	EMailReader *reader;
+	CamelFolder *folder;
+	CamelMessageInfo *info;
+	CamelMimeMessage *message;
+	gchar *notify_to;
+};
+
+typedef enum {
+	MDN_ACTION_MODE_MANUAL,
+	MDN_ACTION_MODE_AUTOMATIC
+} MdnActionMode;
+
+typedef enum {
+	MDN_SENDING_MODE_MANUAL,
+	MDN_SENDING_MODE_AUTOMATIC
+} MdnSendingMode;
+
+/* Module Entry Points */
+void e_module_load (GTypeModule *type_module);
+void e_module_unload (GTypeModule *type_module);
+
+/* Forward Declarations */
+GType e_mdn_get_type (void);
+
+G_DEFINE_DYNAMIC_TYPE (EMdn, e_mdn, E_TYPE_EXTENSION)
+
+static void
+mdn_context_free (MdnContext *context)
+{
+	if (context->info != NULL)
+		camel_folder_free_message_info (
+			context->folder, context->info);
+
+	g_object_unref (context->account);
+	g_object_unref (context->reader);
+	g_object_unref (context->folder);
+	g_object_unref (context->message);
+
+	g_free (context->notify_to);
+
+	g_slice_free (MdnContext, context);
+}
+
+static void
+mdn_submit_alert (EMailReader *reader,
+                  EAlert *alert)
+{
+	EPreviewPane *preview_pane;
+
+	/* Make sure alerts are shown in the preview pane and not
+	 * wherever e_mail_reader_get_alert_sink() might show it. */
+	preview_pane = e_mail_reader_get_preview_pane (reader);
+	e_alert_sink_submit_alert (E_ALERT_SINK (preview_pane), alert);
+}
+
+static gchar *
+mdn_get_notify_to (CamelMimeMessage *message)
+{
+	CamelMedium *medium;
+	const gchar *address;
+	const gchar *header_name;
+
+	medium = CAMEL_MEDIUM (message);
+	header_name = "Disposition-Notification-To";
+	address = camel_medium_get_header (medium, header_name);
+
+	/* TODO Should probably decode/format the address,
+	 *      since it could be in RFC 2047 format. */
+	if (address != NULL)
+		while (camel_mime_is_lwsp (*address))
+			address++;
+
+	return g_strdup (address);
+}
+
+static gchar *
+mdn_get_disposition (MdnActionMode action_mode,
+                     MdnSendingMode sending_mode)
+{
+	GString *string;
+
+	string = g_string_sized_new (64);
+
+	switch (action_mode) {
+		case MDN_ACTION_MODE_MANUAL:
+			g_string_append (string, "manual-action");
+			break;
+		case MDN_ACTION_MODE_AUTOMATIC:
+			g_string_append (string, "automatic-action");
+			break;
+		default:
+			g_warn_if_reached ();
+	}
+
+	g_string_append_c (string, '/');
+
+	switch (sending_mode) {
+		case MDN_SENDING_MODE_MANUAL:
+			g_string_append (string, "MDN-sent-manually");
+			break;
+		case MDN_SENDING_MODE_AUTOMATIC:
+			g_string_append (string, "MDN-sent-automatically");
+			break;
+		default:
+			g_warn_if_reached ();
+	}
+
+	g_string_append (string, ";displayed");
+
+	return g_string_free (string, FALSE);
+}
+
+static void
+mdn_receipt_done (CamelFolder *folder,
+                  GAsyncResult *result,
+                  EMailBackend *backend)
+{
+	/* FIXME Poor error handling. */
+	if (e_mail_folder_append_message_finish (folder, result, NULL, NULL))
+		mail_send (backend);
+
+	g_object_unref (backend);
+}
+
+static void
+mdn_notify_sender (EAccount *account,
+                   EMailReader *reader,
+                   CamelFolder *folder,
+                   CamelMimeMessage *message,
+                   CamelMessageInfo *info,
+                   const gchar *notify_to,
+                   MdnActionMode action_mode,
+                   MdnSendingMode sending_mode)
+{
+	/* See RFC 3798 for a description of message receipts. */
+
+	CamelMimeMessage *receipt;
+	CamelMultipart *body;
+	CamelMimePart *part;
+	CamelMedium *medium;
+	CamelDataWrapper *receipt_text, *receipt_data;
+	CamelContentType *type;
+	CamelInternetAddress *address;
+	CamelStream *stream;
+	CamelFolder *out_folder;
+	CamelMessageInfo *receipt_info;
+	EMailBackend *backend;
+	const gchar *message_id;
+	const gchar *message_date;
+	const gchar *message_subject;
+	gchar *fake_msgid;
+	gchar *hostname;
+	gchar *self_address;
+	gchar *receipt_subject;
+	gchar *transport_uid;
+	gchar *disposition;
+	gchar *recipient;
+	gchar *content;
+	gchar *ua;
+
+	backend = e_mail_reader_get_backend (reader);
+
+	/* Tag the message immediately even though we haven't actually sent
+	 * the read receipt yet.  Not a big deal if we fail to send it, and
+	 * we don't want to keep badgering the user about it. */
+	camel_message_info_set_user_flag (info, MDN_USER_FLAG, TRUE);
+
+	receipt = camel_mime_message_new ();
+	body = camel_multipart_new ();
+
+	medium = CAMEL_MEDIUM (message);
+	message_id = camel_medium_get_header (medium, "Message-ID");
+	message_date = camel_medium_get_header (medium, "Date");
+	message_subject = camel_mime_message_get_subject (message);
+
+	if (message_id == NULL)
+		message_id = "";
+
+	if (message_date == NULL)
+		message_date = "";
+
+	/* Collect information for the receipt. */
+
+	/* We use camel_header_msgid_generate() to get a canonical
+	 * hostname, then skip the part leading to '@' */
+	fake_msgid = camel_header_msgid_generate ();
+	hostname = strchr (fake_msgid, '@');
+	hostname++;
+
+	self_address = account->id->address;
+
+	/* Create toplevel container. */
+	camel_data_wrapper_set_mime_type (
+		CAMEL_DATA_WRAPPER (body),
+		"multipart/report;"
+		"report-type=\"disposition-notification\"");
+	camel_multipart_set_boundary (body, NULL);
+
+	/* Create textual receipt. */
+
+	receipt_text = camel_data_wrapper_new ();
+
+	type = camel_content_type_new ("text", "plain");
+	camel_content_type_set_param (type, "format", "flowed");
+	camel_content_type_set_param (type, "charset", "UTF-8");
+	camel_data_wrapper_set_mime_type_field (receipt_text, type);
+	camel_content_type_unref (type);
+
+	content = g_strdup_printf (
+		/* Translators: First %s is an email address, second %s
+		 * is the subject of the email, third %s is the date. */
+		_("Your message to %s about \"%s\" on %s has been read."),
+		self_address, message_subject, message_date);
+	stream = camel_stream_mem_new ();
+	camel_stream_write_string (stream, content, NULL, NULL);
+	camel_data_wrapper_construct_from_stream_sync (
+		receipt_text, stream, NULL, NULL);
+	g_object_unref (stream);
+	g_free (content);
+
+	part = camel_mime_part_new ();
+	camel_medium_set_content (CAMEL_MEDIUM (part), receipt_text);
+	camel_mime_part_set_encoding (
+		part, CAMEL_TRANSFER_ENCODING_QUOTEDPRINTABLE);
+	camel_multipart_add_part (body, part);
+	g_object_unref (part);
+
+	g_object_unref (receipt_text);
+
+	/* Create the machine-readable receipt. */
+
+	receipt_data = camel_data_wrapper_new ();
+
+	ua = g_strdup_printf (
+		"%s; %s", hostname, "Evolution "
+		VERSION SUB_VERSION " " VERSION_COMMENT);
+	recipient = g_strdup_printf ("rfc822; %s", self_address);
+	disposition = mdn_get_disposition (action_mode, sending_mode);
+
+	type = camel_content_type_new ("message", "disposition-notification");
+	camel_data_wrapper_set_mime_type_field (receipt_data, type);
+	camel_content_type_unref (type);
+
+	content = g_strdup_printf (
+		"Reporting-UA: %s\n"
+		"Final-Recipient: %s\n"
+		"Original-Message-ID: %s\n"
+		"Disposition: %s\n",
+		ua, recipient, message_id, disposition);
+	stream = camel_stream_mem_new ();
+	camel_stream_write_string (stream, content, NULL, NULL);
+	camel_data_wrapper_construct_from_stream_sync (
+		receipt_data, stream, NULL, NULL);
+	g_object_unref (stream);
+	g_free (content);
+
+	g_free (ua);
+	g_free (recipient);
+	g_free (fake_msgid);
+	g_free (disposition);
+
+	part = camel_mime_part_new ();
+	camel_medium_set_content (CAMEL_MEDIUM (part), receipt_data);
+	camel_mime_part_set_encoding (part, CAMEL_TRANSFER_ENCODING_7BIT);
+	camel_multipart_add_part (body, part);
+	g_object_unref (part);
+
+	g_object_unref (receipt_data);
+
+	/* Finish creating the message. */
+
+	camel_medium_set_content (
+		CAMEL_MEDIUM (receipt), CAMEL_DATA_WRAPPER (body));
+	g_object_unref (body);
+
+	receipt_subject = g_strdup_printf (
+		/* Translators: %s is the subject of the email message. */
+		_("Delivery Notification for \"%s\""), message_subject);
+	camel_mime_message_set_subject (receipt, receipt_subject);
+	g_free (receipt_subject);
+
+	address = camel_internet_address_new ();
+	camel_address_decode (CAMEL_ADDRESS (address), self_address);
+	camel_mime_message_set_from (receipt, address);
+	g_object_unref (address);
+
+	address = camel_internet_address_new ();
+	camel_address_decode (CAMEL_ADDRESS (address), notify_to);
+	camel_mime_message_set_recipients (
+		receipt, CAMEL_RECIPIENT_TYPE_TO, address);
+	g_object_unref (address);
+
+	transport_uid = g_strconcat (
+		account->uid, "-transport", NULL);
+
+	camel_medium_set_header (
+		CAMEL_MEDIUM (receipt),
+		"Return-Path", "<>");
+	camel_medium_set_header (
+		CAMEL_MEDIUM (receipt),
+		"X-Evolution-Account",
+		account->uid);
+	camel_medium_set_header (
+		CAMEL_MEDIUM (receipt),
+		"X-Evolution-Transport",
+		transport_uid);
+	camel_medium_set_header (
+		CAMEL_MEDIUM (receipt),
+		"X-Evolution-Fcc",
+		account->sent_folder_uri);
+
+	/* RFC 3834, Section 5 describes this header. */
+	camel_medium_set_header (
+		CAMEL_MEDIUM (receipt),
+		"Auto-Submitted", "auto-replied");
+
+	g_free (transport_uid);
+
+	/* Send the receipt. */
+	receipt_info = camel_message_info_new (NULL);
+	out_folder = e_mail_local_get_folder (E_MAIL_LOCAL_FOLDER_OUTBOX);
+	camel_message_info_set_flags (
+		receipt_info, CAMEL_MESSAGE_SEEN, CAMEL_MESSAGE_SEEN);
+
+	/* FIXME Pass a GCancellable. */
+	e_mail_folder_append_message (
+		out_folder, receipt, receipt_info, G_PRIORITY_DEFAULT,
+		NULL, (GAsyncReadyCallback) mdn_receipt_done,
+		g_object_ref (backend));
+
+	camel_message_info_free (receipt_info);
+}
+
+static void
+mdn_notify_action_cb (GtkAction *action,
+                      MdnContext *context)
+{
+	mdn_notify_sender (
+		context->account,
+		context->reader,
+		context->folder,
+		context->message,
+		context->info,
+		context->notify_to,
+		MDN_ACTION_MODE_MANUAL,
+		MDN_SENDING_MODE_MANUAL);
+
+	/* Make sure the newly-added user flag gets saved. */
+	camel_folder_free_message_info (context->folder, context->info);
+	context->info = NULL;
+}
+
+static void
+mdn_message_loaded_cb (EMailReader *reader,
+                       const gchar *message_uid,
+                       CamelMimeMessage *message,
+                       EMdn *extension)
+{
+	EAlert *alert;
+	EAccount *account;
+	CamelFolder *folder;
+	CamelMessageInfo *info;
+	gchar *notify_to = NULL;
+
+	folder = e_mail_reader_get_folder (reader);
+
+	info = camel_folder_get_message_info (folder, message_uid);
+	if (info == NULL)
+		return;
+
+	if (camel_message_info_user_flag (info, MDN_USER_FLAG)) {
+		alert = e_alert_new ("mdn:sender-notified", NULL);
+		mdn_submit_alert (reader, alert);
+		g_object_unref (alert);
+		goto exit;
+	}
+
+	notify_to = mdn_get_notify_to (message);
+	if (notify_to == NULL)
+		goto exit;
+
+	account = em_utils_guess_account_with_recipients (message, folder);
+	if (account == NULL)
+		goto exit;
+
+	if (account->receipt_policy == E_ACCOUNT_RECEIPT_ASK) {
+		MdnContext *context;
+		GtkAction *action;
+		gchar *tooltip;
+
+		context = g_slice_new0 (MdnContext);
+		context->account = g_object_ref (account);
+		context->reader = g_object_ref (reader);
+		context->folder = g_object_ref (folder);
+		context->message = g_object_ref (message);
+		context->info = camel_message_info_ref (info);
+
+		context->notify_to = notify_to;
+		notify_to = NULL;
+
+		tooltip = g_strdup_printf (
+			_("Send a read receipt to '%s'"),
+			context->notify_to);
+
+		action = gtk_action_new (
+			"notify-sender",  /* name doesn't matter */
+			_("_Notify Sender"),
+			tooltip, NULL);
+
+		g_signal_connect_data (
+			action, "activate",
+			G_CALLBACK (mdn_notify_action_cb),
+			context,
+			(GClosureNotify) mdn_context_free,
+			(GConnectFlags) 0);
+
+		alert = e_alert_new ("mdn:notify-sender", NULL);
+		e_alert_add_action (alert, action, GTK_RESPONSE_APPLY);
+		mdn_submit_alert (reader, alert);
+		g_object_unref (alert);
+
+		g_object_unref (action);
+		g_free (tooltip);
+	}
+
+exit:
+	camel_folder_free_message_info (folder, info);
+	g_free (notify_to);
+}
+
+static void
+mdn_message_seen_cb (EMailReader *reader,
+                     const gchar *message_uid,
+                     CamelMimeMessage *message,
+                     EMdn *extension)
+{
+	EAccount *account;
+	CamelFolder *folder;
+	CamelMessageInfo *info;
+	gchar *notify_to = NULL;
+
+	folder = e_mail_reader_get_folder (reader);
+
+	info = camel_folder_get_message_info (folder, message_uid);
+	if (info == NULL)
+		return;
+
+	if (camel_message_info_user_flag (info, MDN_USER_FLAG))
+		goto exit;
+
+	notify_to = mdn_get_notify_to (message);
+	if (notify_to == NULL)
+		goto exit;
+
+	account = em_utils_guess_account_with_recipients (message, folder);
+	if (account == NULL)
+		goto exit;
+
+	if (account->receipt_policy == E_ACCOUNT_RECEIPT_ALWAYS)
+		mdn_notify_sender (
+			account, reader, folder,
+			message, info, notify_to,
+			MDN_ACTION_MODE_AUTOMATIC,
+			MDN_SENDING_MODE_AUTOMATIC);
+
+exit:
+	camel_folder_free_message_info (folder, info);
+	g_free (notify_to);
+}
+
+static void
+mdn_constructed (GObject *object)
+{
+	EExtension *extension;
+	EExtensible *extensible;
+
+	extension = E_EXTENSION (object);
+	extensible = e_extension_get_extensible (extension);
+	g_return_if_fail (E_IS_MAIL_READER (extensible));
+
+	g_signal_connect (
+		extensible, "message-loaded",
+		G_CALLBACK (mdn_message_loaded_cb), extension);
+
+	g_signal_connect (
+		extensible, "message-seen",
+		G_CALLBACK (mdn_message_seen_cb), extension);
+
+	/* Chain up to parent's constructed() method. */
+	G_OBJECT_CLASS (e_mdn_parent_class)->constructed (object);
+}
+
+static void
+e_mdn_class_init (EMdnClass *class)
+{
+	GObjectClass *object_class;
+	EExtensionClass *extension_class;
+
+	object_class = G_OBJECT_CLASS (class);
+	object_class->constructed = mdn_constructed;
+
+	extension_class = E_EXTENSION_CLASS (class);
+	extension_class->extensible_type = E_TYPE_MAIL_READER;
+}
+
+static void
+e_mdn_class_finalize (EMdnClass *class)
+{
+}
+
+static void
+e_mdn_init (EMdn *extension)
+{
+}
+
+G_MODULE_EXPORT void
+e_module_load (GTypeModule *type_module)
+{
+	e_mdn_register_type (type_module);
+}
+
+G_MODULE_EXPORT void
+e_module_unload (GTypeModule *type_module)
+{
+}
+
diff --git a/modules/mdn/evolution-mdn.error.xml b/modules/mdn/evolution-mdn.error.xml
new file mode 100644
index 0000000000..4607d5be7a
--- /dev/null
+++ b/modules/mdn/evolution-mdn.error.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<error-list domain="mdn">
+  <error id="notify-sender" type="question">
+    <_primary>Sender wants to be notified when you have read this message.</_primary>
+  </error>
+  <error id="sender-notified" type="info">
+    <_primary>Sender has been notified that you have read this message.</_primary>
+  </error>
+</error-list>
diff --git a/modules/offline-alert/evolution-offline-alert.error.xml b/modules/offline-alert/evolution-offline-alert.error.xml
index a6362da42e..782ee8d635 100644
--- a/modules/offline-alert/evolution-offline-alert.error.xml
+++ b/modules/offline-alert/evolution-offline-alert.error.xml
@@ -3,11 +3,9 @@
   <error id="offline" type="info">
     <_primary>Evolution is currently offline.</_primary>
     <_secondary>Click 'Work Online' to return to online mode.</_secondary>
-    <button _label="_Dismiss" response="GTK_RESPONSE_OK"/>
   </error>
   <error id="no-network" type="info">
     <_primary>Evolution is currently offline due to a network outage.</_primary>
     <_secondary>Evolution will return to online mode once a network connection is established.</_secondary>
-    <button _label="_Dismiss" response="GTK_RESPONSE_OK"/>
   </error>
 </error-list>
diff --git a/plugins/mail-to-task/mail-to-task.c b/plugins/mail-to-task/mail-to-task.c
index f028528575..29329d284e 100644
--- a/plugins/mail-to-task/mail-to-task.c
+++ b/plugins/mail-to-task/mail-to-task.c
@@ -1070,7 +1070,6 @@ mail_to_event (ECalClientSourceType source_type,
 	CamelFolder *folder;
 	GPtrArray *uids;
 	ESourceList *source_list = NULL;
-	gboolean done = FALSE;
 	GSList *groups, *p;
 	ESource *source = NULL, *default_source = NULL;
 	GError *error = NULL;
@@ -1103,7 +1102,7 @@ mail_to_event (ECalClientSourceType source_type,
 
 	/* Find 'Default' source. When no source is default, ask user to pick one */
 	groups = e_source_list_peek_groups (source_list);
-	for (p = groups; p != NULL && !done; p = p->next) {
+	for (p = groups; p != NULL; p = p->next) {
 		ESourceGroup *group = E_SOURCE_GROUP (p->data);
 		GSList *sources, *q;
 
@@ -1113,8 +1112,6 @@ mail_to_event (ECalClientSourceType source_type,
 
 			if (s && e_source_get_property (s, "default") && !e_source_get_readonly (s)) {
 				default_source = s;
-				done = TRUE;
-				break;
 			}
 
 			if (s && !e_source_get_readonly (s)) {
@@ -1124,7 +1121,7 @@ mail_to_event (ECalClientSourceType source_type,
 		}
 	}
 
-	if (!default_source && writable_sources > 1) {
+	if (writable_sources > 1) {
 		GtkWidget *dialog;
 
 		/* ask the user which tasks list to save to */
@@ -1142,7 +1139,7 @@ mail_to_event (ECalClientSourceType source_type,
 		gtk_widget_destroy (dialog);
 	} else if (!source && default_source) {
 		source = default_source;
-	} else {
+	} else if (!source) {
 		e_notice (NULL, GTK_MESSAGE_ERROR, _("No writable calendar is available."));
 
 		g_object_unref (source_list);
diff --git a/plugins/save-calendar/csv-format.c b/plugins/save-calendar/csv-format.c
index d80ee25753..f9d97fcf68 100644
--- a/plugins/save-calendar/csv-format.c
+++ b/plugins/save-calendar/csv-format.c
@@ -414,7 +414,7 @@ do_save_calendar_csv (FormatHandler *handler,
 		}
 
 		for (iter = objects; iter; iter = iter->next) {
-			ECalComponent *comp = objects->data;
+			ECalComponent *comp = iter->data;
 			gchar *delimiter_temp = NULL;
 			const gchar *temp_constchar;
 			GSList *temp_list;
diff --git a/plugins/save-calendar/ical-format.c b/plugins/save-calendar/ical-format.c
index f323fed99a..1be8ff1147 100644
--- a/plugins/save-calendar/ical-format.c
+++ b/plugins/save-calendar/ical-format.c
@@ -128,7 +128,7 @@ do_save_calendar_ical (FormatHandler *handler,
 		tdata.client = source_client;
 
 		for (iter = objects; iter; iter = iter->next) {
-			icalcomponent *icalcomp = objects->data;
+			icalcomponent *icalcomp = iter->data;
 
 			icalcomponent_foreach_tzid (icalcomp, insert_tz_comps, &tdata);
 			icalcomponent_add_component (top_level, icalcomp);
diff --git a/plugins/save-calendar/rdf-format.c b/plugins/save-calendar/rdf-format.c
index fe2e6d0a1a..d840177dfe 100644
--- a/plugins/save-calendar/rdf-format.c
+++ b/plugins/save-calendar/rdf-format.c
@@ -255,7 +255,7 @@ do_save_calendar_rdf (FormatHandler *handler,
 		xmlNewChild (fnode, NULL, (const guchar *)"version", (const guchar *)"2.0");
 
 		for (iter = objects; iter; iter = iter->next) {
-			ECalComponent *comp = objects->data;
+			ECalComponent *comp = iter->data;
 			const gchar *temp_constchar;
 			gchar *tmp_str = NULL;
 			GSList *temp_list;
diff --git a/po/POTFILES.in b/po/POTFILES.in
index d8953dbfe9..8632377caf 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -272,6 +272,8 @@ modules/mail/em-composer-prefs.c
 modules/mail/em-mailer-prefs.c
 modules/mailto-handler/apps-evolution-mail-prompts-checkdefault.schemas.in
 modules/mailto-handler/evolution-mailto-handler.c
+modules/mdn/evolution-mdn.c
+modules/mdn/evolution-mdn.error.xml
 modules/offline-alert/evolution-offline-alert.error.xml
 modules/online-accounts/camel-sasl-xoauth.c
 modules/online-accounts/e-online-accounts-google.c
diff --git a/widgets/misc/e-alert-bar.c b/widgets/misc/e-alert-bar.c
index 7ec731e90d..75bf55ff25 100644
--- a/widgets/misc/e-alert-bar.c
+++ b/widgets/misc/e-alert-bar.c
@@ -16,14 +16,15 @@
  *
  */
 
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
 #include "e-alert-bar.h"
 
+#include <config.h>
 #include <glib/gi18n-lib.h>
 
+#define E_ALERT_BAR_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_ALERT_BAR, EAlertBarPrivate))
+
 /* GTK_ICON_SIZE_DIALOG is a tad too big. */
 #define ICON_SIZE GTK_ICON_SIZE_DND
 
@@ -43,19 +44,30 @@ G_DEFINE_TYPE (
 	GTK_TYPE_INFO_BAR)
 
 static void
+alert_bar_response_close (EAlert *alert)
+{
+	e_alert_response (alert, GTK_RESPONSE_CLOSE);
+}
+
+static void
 alert_bar_show_alert (EAlertBar *alert_bar)
 {
 	GtkImage *image;
-	GtkLabel *label;
 	GtkInfoBar *info_bar;
 	GtkWidget *action_area;
+	GtkWidget *widget;
 	EAlert *alert;
 	GList *actions;
 	GList *children;
 	GtkMessageType message_type;
+	const gchar *primary_text;
+	const gchar *secondary_text;
 	const gchar *stock_id;
-	const gchar *text;
+	gboolean have_primary_text;
+	gboolean have_secondary_text;
+	gboolean visible;
 	gint response_id;
+	gchar *markup;
 
 	info_bar = GTK_INFO_BAR (alert_bar);
 	action_area = gtk_info_bar_get_action_area (info_bar);
@@ -71,48 +83,94 @@ alert_bar_show_alert (EAlertBar *alert_bar)
 		children = g_list_delete_link (children, children);
 	}
 
-	/* Add new buttons. */
+	/* Add alert-specific buttons. */
 	actions = e_alert_peek_actions (alert);
 	while (actions != NULL) {
-		GtkWidget *button;
-
 		/* These actions are already wired to trigger an
 		 * EAlert::response signal when activated, which
 		 * will in turn call gtk_info_bar_response(), so
 		 * we can add buttons directly to the action
 		 * area without knowning their response IDs. */
 
-		button = gtk_button_new ();
+		widget = gtk_button_new ();
 
 		gtk_activatable_set_related_action (
-			GTK_ACTIVATABLE (button),
+			GTK_ACTIVATABLE (widget),
 			GTK_ACTION (actions->data));
 
 		gtk_box_pack_end (
-			GTK_BOX (action_area),
-			button, FALSE, FALSE, 0);
+			GTK_BOX (action_area), widget, FALSE, FALSE, 0);
 
 		actions = g_list_next (actions);
 	}
 
+	/* Add a dismiss button. */
+	widget = gtk_button_new ();
+	gtk_button_set_image (
+		GTK_BUTTON (widget),
+		gtk_image_new_from_stock (
+		GTK_STOCK_CLOSE, GTK_ICON_SIZE_MENU));
+	gtk_button_set_relief (
+		GTK_BUTTON (widget), GTK_RELIEF_NONE);
+	gtk_widget_set_tooltip_text (
+		widget, _("Close this message"));
+	gtk_box_pack_end (
+		GTK_BOX (action_area), widget, FALSE, FALSE, 0);
+	gtk_button_box_set_child_non_homogeneous (
+		GTK_BUTTON_BOX (action_area), widget, TRUE);
+	gtk_widget_show (widget);
+
+	g_signal_connect_swapped (
+		widget, "clicked",
+		G_CALLBACK (alert_bar_response_close), alert);
+
+	primary_text = e_alert_get_primary_text (alert);
+	secondary_text = e_alert_get_secondary_text (alert);
+
+	if (primary_text == NULL)
+		primary_text = "";
+
+	if (secondary_text == NULL)
+		secondary_text = "";
+
+	have_primary_text = (*primary_text != '\0');
+	have_secondary_text = (*secondary_text != '\0');
+
 	response_id = e_alert_get_default_response (alert);
 	gtk_info_bar_set_default_response (info_bar, response_id);
 
 	message_type = e_alert_get_message_type (alert);
 	gtk_info_bar_set_message_type (info_bar, message_type);
 
-	text = e_alert_get_primary_text (alert);
-	label = GTK_LABEL (alert_bar->priv->primary_label);
-	gtk_label_set_text (label, text);
-
-	text = e_alert_get_secondary_text (alert);
-	label = GTK_LABEL (alert_bar->priv->secondary_label);
-	gtk_label_set_text (label, text);
+	widget = alert_bar->priv->primary_label;
+	if (have_primary_text && have_secondary_text)
+		markup = g_markup_printf_escaped (
+			"<b>%s</b>", primary_text);
+	else
+		markup = g_markup_escape_text (primary_text, -1);
+	gtk_label_set_markup (GTK_LABEL (widget), markup);
+	gtk_widget_set_visible (widget, have_primary_text);
+	g_free (markup);
+
+	widget = alert_bar->priv->secondary_label;
+	if (have_primary_text && have_secondary_text)
+		markup = g_markup_printf_escaped (
+			"<small>%s</small>", secondary_text);
+	else
+		markup = g_markup_escape_text (secondary_text, -1);
+	gtk_label_set_markup (GTK_LABEL (widget), markup);
+	gtk_widget_set_visible (widget, have_secondary_text);
+	g_free (markup);
 
 	stock_id = e_alert_get_stock_id (alert);
 	image = GTK_IMAGE (alert_bar->priv->image);
 	gtk_image_set_from_stock (image, stock_id, ICON_SIZE);
 
+	/* Avoid showing an image for one-line alerts,
+	 * which are usually questions or informational. */
+	visible = have_primary_text && have_secondary_text;
+	gtk_widget_set_visible (alert_bar->priv->image, visible);
+
 	gtk_widget_show (GTK_WIDGET (alert_bar));
 
 	/* Warnings are generally meant for transient errors.
@@ -130,7 +188,6 @@ alert_bar_response_cb (EAlert *alert,
 {
 	GQueue *queue;
 	EAlert *head;
-	GList *link;
 	gboolean was_head;
 
 	queue = &alert_bar->priv->alerts;
@@ -140,12 +197,8 @@ alert_bar_response_cb (EAlert *alert,
 	g_signal_handlers_disconnect_by_func (
 		alert, alert_bar_response_cb, alert_bar);
 
-	/* XXX Would be easier if g_queue_remove() returned a boolean. */
-	link = g_queue_find (queue, alert);
-	if (link != NULL) {
-		g_queue_delete_link (queue, link);
+	if (g_queue_remove (queue, alert))
 		g_object_unref (alert);
-	}
 
 	if (g_queue_is_empty (queue))
 		gtk_widget_hide (GTK_WIDGET (alert_bar));
@@ -161,7 +214,7 @@ alert_bar_dispose (GObject *object)
 {
 	EAlertBarPrivate *priv;
 
-	priv = E_ALERT_BAR (object)->priv;
+	priv = E_ALERT_BAR_GET_PRIVATE (object);
 
 	while (!g_queue_is_empty (&priv->alerts)) {
 		EAlert *alert = g_queue_pop_head (&priv->alerts);
@@ -174,48 +227,37 @@ alert_bar_dispose (GObject *object)
 	G_OBJECT_CLASS (e_alert_bar_parent_class)->dispose (object);
 }
 
-static GtkSizeRequestMode
-alert_bar_get_request_mode (GtkWidget *widget)
-{
-	/* GtkHBox does width-for-height by default.  But we
-	 * want the alert bar to be as short as possible. */
-	return GTK_SIZE_REQUEST_HEIGHT_FOR_WIDTH;
-}
-
 static void
-e_alert_bar_class_init (EAlertBarClass *class)
+alert_bar_constructed (GObject *object)
 {
-	GObjectClass *object_class;
-	GtkWidgetClass *widget_class;
+	EAlertBarPrivate *priv;
+	GtkInfoBar *info_bar;
+	GtkWidget *action_area;
+	GtkWidget *content_area;
+	GtkWidget *container;
+	GtkWidget *widget;
 
-	g_type_class_add_private (class, sizeof (EAlertBarPrivate));
+	priv = E_ALERT_BAR_GET_PRIVATE (object);
 
-	object_class = G_OBJECT_CLASS (class);
-	object_class->dispose = alert_bar_dispose;
+	/* Chain up to parent's constructed() method. */
+	G_OBJECT_CLASS (e_alert_bar_parent_class)->constructed (object);
 
-	widget_class = GTK_WIDGET_CLASS (class);
-	widget_class->get_request_mode = alert_bar_get_request_mode;
-}
+	g_queue_init (&priv->alerts);
 
-static void
-e_alert_bar_init (EAlertBar *alert_bar)
-{
-	GtkWidget *container;
-	GtkWidget *widget;
-	PangoAttribute *attr;
-	PangoAttrList *attr_list;
-
-	alert_bar->priv = G_TYPE_INSTANCE_GET_PRIVATE (
-		alert_bar, E_TYPE_ALERT_BAR, EAlertBarPrivate);
+	info_bar = GTK_INFO_BAR (object);
+	action_area = gtk_info_bar_get_action_area (info_bar);
+	content_area = gtk_info_bar_get_content_area (info_bar);
 
-	g_queue_init (&alert_bar->priv->alerts);
+	gtk_orientable_set_orientation (
+		GTK_ORIENTABLE (action_area), GTK_ORIENTATION_HORIZONTAL);
+	gtk_widget_set_valign (action_area, GTK_ALIGN_START);
 
-	container = gtk_info_bar_get_content_area (GTK_INFO_BAR (alert_bar));
+	container = content_area;
 
 	widget = gtk_image_new ();
 	gtk_misc_set_alignment (GTK_MISC (widget), 0.5, 0.0);
 	gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
-	alert_bar->priv->image = widget;
+	priv->image = widget;
 	gtk_widget_show (widget);
 
 	widget = gtk_vbox_new (FALSE, 12);
@@ -224,35 +266,53 @@ e_alert_bar_init (EAlertBar *alert_bar)
 
 	container = widget;
 
-	attr_list = pango_attr_list_new ();
-	attr = pango_attr_weight_new (PANGO_WEIGHT_BOLD);
-	pango_attr_list_insert (attr_list, attr);
-
 	widget = gtk_label_new (NULL);
-	gtk_label_set_attributes (GTK_LABEL (widget), attr_list);
 	gtk_label_set_line_wrap (GTK_LABEL (widget), TRUE);
 	gtk_label_set_selectable (GTK_LABEL (widget), TRUE);
 	gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.5);
 	gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
-	alert_bar->priv->primary_label = widget;
+	priv->primary_label = widget;
 	gtk_widget_show (widget);
 
-	pango_attr_list_unref (attr_list);
-
-	attr_list = pango_attr_list_new ();
-	attr = pango_attr_scale_new  (PANGO_SCALE_SMALL);
-	pango_attr_list_insert (attr_list, attr);
-
 	widget = gtk_label_new (NULL);
-	gtk_label_set_attributes (GTK_LABEL (widget), attr_list);
 	gtk_label_set_line_wrap (GTK_LABEL (widget), TRUE);
 	gtk_label_set_selectable (GTK_LABEL (widget), TRUE);
 	gtk_misc_set_alignment (GTK_MISC (widget), 0.0, 0.5);
 	gtk_box_pack_start (GTK_BOX (container), widget, FALSE, FALSE, 0);
-	alert_bar->priv->secondary_label = widget;
+	priv->secondary_label = widget;
 	gtk_widget_show (widget);
 
-	pango_attr_list_unref (attr_list);
+	container = action_area;
+}
+
+static GtkSizeRequestMode
+alert_bar_get_request_mode (GtkWidget *widget)
+{
+	/* GtkHBox does width-for-height by default.  But we
+	 * want the alert bar to be as short as possible. */
+	return GTK_SIZE_REQUEST_HEIGHT_FOR_WIDTH;
+}
+
+static void
+e_alert_bar_class_init (EAlertBarClass *class)
+{
+	GObjectClass *object_class;
+	GtkWidgetClass *widget_class;
+
+	g_type_class_add_private (class, sizeof (EAlertBarPrivate));
+
+	object_class = G_OBJECT_CLASS (class);
+	object_class->dispose = alert_bar_dispose;
+	object_class->constructed = alert_bar_constructed;
+
+	widget_class = GTK_WIDGET_CLASS (class);
+	widget_class->get_request_mode = alert_bar_get_request_mode;
+}
+
+static void
+e_alert_bar_init (EAlertBar *alert_bar)
+{
+	alert_bar->priv = E_ALERT_BAR_GET_PRIVATE (alert_bar);
 }
 
 GtkWidget *
@@ -261,6 +321,20 @@ e_alert_bar_new (void)
 	return g_object_new (E_TYPE_ALERT_BAR, NULL);
 }
 
+void
+e_alert_bar_clear (EAlertBar *alert_bar)
+{
+	GQueue *queue;
+	EAlert *alert;
+
+	g_return_if_fail (E_IS_ALERT_BAR (alert_bar));
+
+	queue = &alert_bar->priv->alerts;
+
+	while ((alert = g_queue_pop_head (queue)) != NULL)
+		alert_bar_response_close (alert);
+}
+
 typedef struct {
 	gboolean found;
 	EAlert *looking_for;
diff --git a/widgets/misc/e-alert-bar.h b/widgets/misc/e-alert-bar.h
index fc23dec8bf..f1e84b5016 100644
--- a/widgets/misc/e-alert-bar.h
+++ b/widgets/misc/e-alert-bar.h
@@ -58,6 +58,7 @@ struct _EAlertBarClass {
 
 GType		e_alert_bar_get_type		(void);
 GtkWidget *	e_alert_bar_new			(void);
+void		e_alert_bar_clear		(EAlertBar *alert_bar);
 void		e_alert_bar_add_alert		(EAlertBar *alert_bar,
 						 EAlert *alert);
 
diff --git a/widgets/misc/e-preview-pane.c b/widgets/misc/e-preview-pane.c
index 1a7a319ea4..42f338c75b 100644
--- a/widgets/misc/e-preview-pane.c
+++ b/widgets/misc/e-preview-pane.c
@@ -27,7 +27,13 @@
 
 #include <gdk/gdkkeysyms.h>
 
+#include <e-util/e-alert-sink.h>
+#include <e-util/e-alert-dialog.h>
+
+#include "e-alert-bar.h"
+
 struct _EPreviewPanePrivate {
+	GtkWidget *alert_bar;
 	GtkWidget *web_view;
 	GtkWidget *search_bar;
 };
@@ -45,10 +51,17 @@ enum {
 
 static guint signals[LAST_SIGNAL];
 
-G_DEFINE_TYPE (
+/* Forward Declarations */
+static void	e_preview_pane_alert_sink_init
+					(EAlertSinkInterface *interface);
+
+G_DEFINE_TYPE_WITH_CODE (
 	EPreviewPane,
 	e_preview_pane,
-	GTK_TYPE_VBOX)
+	GTK_TYPE_VBOX,
+	G_IMPLEMENT_INTERFACE (
+		E_TYPE_ALERT_SINK,
+		e_preview_pane_alert_sink_init))
 
 static void
 preview_pane_set_web_view (EPreviewPane *preview_pane,
@@ -107,6 +120,11 @@ preview_pane_dispose (GObject *object)
 
 	priv = E_PREVIEW_PANE (object)->priv;
 
+	if (priv->alert_bar != NULL) {
+		g_object_unref (priv->alert_bar);
+		priv->alert_bar = NULL;
+	}
+
 	if (priv->search_bar != NULL) {
 		g_object_unref (priv->search_bar);
 		priv->search_bar = NULL;
@@ -129,6 +147,11 @@ preview_pane_constructed (GObject *object)
 
 	priv = E_PREVIEW_PANE (object)->priv;
 
+	widget = e_alert_bar_new ();
+	gtk_box_pack_start (GTK_BOX (object), widget, FALSE, FALSE, 0);
+	priv->alert_bar = g_object_ref (widget);
+	/* EAlertBar controls its own visibility. */
+
 	widget = gtk_scrolled_window_new (NULL, NULL);
 	gtk_scrolled_window_set_policy (
 		GTK_SCROLLED_WINDOW (widget),
@@ -160,6 +183,35 @@ preview_pane_show_search_bar (EPreviewPane *preview_pane)
 }
 
 static void
+preview_pane_submit_alert (EAlertSink *alert_sink,
+                           EAlert *alert)
+{
+	EPreviewPane *preview_pane;
+	EAlertBar *alert_bar;
+	GtkWidget *dialog;
+	GtkWindow *parent;
+
+	preview_pane = E_PREVIEW_PANE (alert_sink);
+	alert_bar = E_ALERT_BAR (preview_pane->priv->alert_bar);
+
+	switch (e_alert_get_message_type (alert)) {
+		case GTK_MESSAGE_INFO:
+		case GTK_MESSAGE_WARNING:
+		case GTK_MESSAGE_QUESTION:
+		case GTK_MESSAGE_ERROR:
+			e_alert_bar_add_alert (alert_bar, alert);
+			break;
+
+		default:
+			parent = GTK_WINDOW (alert_sink);
+			dialog = e_alert_dialog_new (parent, alert);
+			gtk_dialog_run (GTK_DIALOG (dialog));
+			gtk_widget_destroy (dialog);
+			break;
+	}
+}
+
+static void
 e_preview_pane_class_init (EPreviewPaneClass *class)
 {
 	GObjectClass *object_class;
@@ -213,6 +265,12 @@ e_preview_pane_class_init (EPreviewPaneClass *class)
 }
 
 static void
+e_preview_pane_alert_sink_init (EAlertSinkInterface *interface)
+{
+	interface->submit_alert = preview_pane_submit_alert;
+}
+
+static void
 e_preview_pane_init (EPreviewPane *preview_pane)
 {
 	preview_pane->priv = G_TYPE_INSTANCE_GET_PRIVATE (
@@ -248,6 +306,14 @@ e_preview_pane_get_search_bar (EPreviewPane *preview_pane)
 }
 
 void
+e_preview_pane_clear_alerts (EPreviewPane *preview_pane)
+{
+	g_return_if_fail (E_IS_PREVIEW_PANE (preview_pane));
+
+	e_alert_bar_clear (E_ALERT_BAR (preview_pane->priv->alert_bar));
+}
+
+void
 e_preview_pane_show_search_bar (EPreviewPane *preview_pane)
 {
 	g_return_if_fail (E_IS_PREVIEW_PANE (preview_pane));
diff --git a/widgets/misc/e-preview-pane.h b/widgets/misc/e-preview-pane.h
index bd965ed307..1313193d97 100644
--- a/widgets/misc/e-preview-pane.h
+++ b/widgets/misc/e-preview-pane.h
@@ -67,6 +67,7 @@ GType		e_preview_pane_get_type		(void);
 GtkWidget *	e_preview_pane_new		(EWebView *web_view);
 EWebView *	e_preview_pane_get_web_view	(EPreviewPane *preview_pane);
 ESearchBar *	e_preview_pane_get_search_bar	(EPreviewPane *preview_pane);
+void		e_preview_pane_clear_alerts	(EPreviewPane *preview_pane);
 void		e_preview_pane_show_search_bar	(EPreviewPane *preview_pane);
 
 G_END_DECLS