Merge commit 'origin/kill-bonobo'

1 files changed, 854 insertions, 0 deletions

diff --git a/modules/calendar/e-cal-shell-backend.c b/modules/calendar/e-cal-shell-backend.c
new file mode 100644
index 0000000000..5149574323
--- /dev/null
+++ b/modules/calendar/e-cal-shell-backend.c
@@ -0,0 +1,854 @@
+/*
+ * e-cal-shell-backend.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/>
+ *
+ *
+ * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
+ *
+ */
+
+#include "e-cal-shell-backend.h"
+
+#include <string.h>
+#include <glib/gi18n.h>
+#include <libecal/e-cal.h>
+#include <libecal/e-cal-time-util.h>
+#include <libedataserver/e-url.h>
+#include <libedataserver/e-source.h>
+#include <libedataserver/e-source-group.h>
+
+#include "e-util/e-import.h"
+#include "shell/e-shell.h"
+#include "shell/e-shell-backend.h"
+#include "shell/e-shell-window.h"
+#include "widgets/misc/e-preferences-window.h"
+
+#include "calendar/common/authentication.h"
+#include "calendar/gui/calendar-config.h"
+#include "calendar/gui/comp-util.h"
+#include "calendar/gui/dialogs/cal-prefs-dialog.h"
+#include "calendar/gui/dialogs/calendar-setup.h"
+#include "calendar/gui/dialogs/event-editor.h"
+#include "calendar/importers/evolution-calendar-importer.h"
+
+#include "e-cal-shell-migrate.h"
+#include "e-cal-shell-settings.h"
+#include "e-cal-shell-view.h"
+
+#define E_CAL_SHELL_BACKEND_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_CAL_SHELL_BACKEND, ECalShellBackendPrivate))
+
+#define CONTACTS_BASE_URI	"contacts://"
+#define WEATHER_BASE_URI	"weather://"
+#define WEB_BASE_URI		"webcal://"
+#define PERSONAL_RELATIVE_URI	"system"
+
+struct _ECalShellBackendPrivate {
+	ESourceList *source_list;
+};
+
+enum {
+	PROP_0,
+	PROP_SOURCE_LIST
+};
+
+static gpointer parent_class;
+static GType cal_shell_backend_type;
+
+static void
+cal_shell_backend_ensure_sources (EShellBackend *shell_backend)
+{
+	/* XXX This is basically the same algorithm across all backends.
+	 *     Maybe we could somehow integrate this into EShellBackend? */
+
+	ECalShellBackendPrivate *priv;
+	ESourceGroup *on_this_computer;
+	ESourceGroup *on_the_web;
+	ESourceGroup *contacts;
+	ESourceGroup *weather;
+	ESource *birthdays;
+	ESource *personal;
+	EShell *shell;
+	EShellSettings *shell_settings;
+	GSList *groups, *iter;
+	const gchar *data_dir;
+	const gchar *name;
+	gchar *base_uri;
+	gchar *filename;
+	gchar *property;
+
+	on_this_computer = NULL;
+	on_the_web = NULL;
+	contacts = NULL;
+	weather = NULL;
+	birthdays = NULL;
+	personal = NULL;
+
+	priv = E_CAL_SHELL_BACKEND_GET_PRIVATE (shell_backend);
+
+	shell = e_shell_backend_get_shell (shell_backend);
+	shell_settings = e_shell_get_shell_settings (shell);
+
+	if (!e_cal_get_sources (&priv->source_list, E_CAL_SOURCE_TYPE_EVENT, NULL)) {
+		g_warning ("Could not get calendar sources from GConf!");
+		return;
+	}
+
+	data_dir = e_shell_backend_get_data_dir (shell_backend);
+	filename = g_build_filename (data_dir, "local", NULL);
+	base_uri = g_filename_to_uri (filename, NULL, NULL);
+	g_free (filename);
+
+	groups = e_source_list_peek_groups (priv->source_list);
+	for (iter = groups; iter != NULL; iter = iter->next) {
+		ESourceGroup *source_group = iter->data;
+		const gchar *group_base_uri;
+
+		group_base_uri = e_source_group_peek_base_uri (source_group);
+
+		/* Compare only "file://" part.  if the user's home
+		 * changes, we do not want to create another group. */
+		if (on_this_computer == NULL &&
+			strncmp (base_uri, group_base_uri, 7) == 0)
+			on_this_computer = source_group;
+
+		else if (on_the_web == NULL &&
+			strcmp (WEB_BASE_URI, group_base_uri) == 0)
+			on_the_web = source_group;
+
+		else if (contacts == NULL &&
+			strcmp (CONTACTS_BASE_URI, group_base_uri) == 0)
+			contacts = source_group;
+
+		else if (weather == NULL &&
+			strcmp (WEATHER_BASE_URI, group_base_uri) == 0)
+			weather = source_group;
+	}
+
+	name = _("On This Computer");
+
+	if (on_this_computer != NULL) {
+		GSList *sources;
+		const gchar *group_base_uri;
+
+		/* Force the group name to the current locale. */
+		e_source_group_set_name (on_this_computer, name);
+
+		sources = e_source_group_peek_sources (on_this_computer);
+		group_base_uri = e_source_group_peek_base_uri (on_this_computer);
+
+		/* Make sure this group includes a "Personal" source. */
+		for (iter = sources; iter != NULL; iter = iter->next) {
+			ESource *source = iter->data;
+			const gchar *relative_uri;
+
+			relative_uri = e_source_peek_relative_uri (source);
+			if (relative_uri == NULL)
+				continue;
+
+			if (strcmp (PERSONAL_RELATIVE_URI, relative_uri) != 0)
+				continue;
+
+			personal = source;
+			break;
+		}
+
+		/* Make sure we have the correct base URI.  This can
+		 * change when the user's home directory changes. */
+		if (strcmp (base_uri, group_base_uri) != 0) {
+			e_source_group_set_base_uri (
+				on_this_computer, base_uri);
+
+			/* XXX We shouldn't need this sync call here as
+			 *     set_base_uri() results in synching to GConf,
+			 *     but that happens in an idle loop and too late
+			 *     to prevent the user from seeing a "Cannot
+			 *     Open ... because of invalid URI" error. */
+			e_source_list_sync (priv->source_list, NULL);
+		}
+
+	} else {
+		ESourceGroup *source_group;
+
+		source_group = e_source_group_new (name, base_uri);
+		e_source_list_add_group (priv->source_list, source_group, -1);
+		g_object_unref (source_group);
+	}
+
+	name = _("Personal");
+
+	if (personal == NULL) {
+		ESource *source;
+		GSList *selected;
+		gchar *primary;
+
+		source = e_source_new (name, PERSONAL_RELATIVE_URI);
+		e_source_group_add_source (on_this_computer, source, -1);
+		g_object_unref (source);
+
+		primary = e_shell_settings_get_string (
+			shell_settings, "cal-primary-calendar");
+
+		selected = calendar_config_get_calendars_selected ();
+
+		if (primary == NULL && selected == NULL) {
+			const gchar *uid;
+
+			uid = e_source_peek_uid (source);
+			selected = g_slist_prepend (NULL, g_strdup (uid));
+
+			e_shell_settings_set_string (
+				shell_settings, "cal-primary-calendar", uid);
+			calendar_config_set_calendars_selected (selected);
+		}
+
+		g_slist_foreach (selected, (GFunc) g_free, NULL);
+		g_slist_free (selected);
+		g_free (primary);
+	} else {
+		/* Force the source name to the current locale. */
+		e_source_set_name (personal, name);
+	}
+
+	name = _("On The Web");
+
+	if (on_the_web == NULL) {
+		ESourceGroup *source_group;
+
+		source_group = e_source_group_new (name, WEB_BASE_URI);
+		e_source_list_add_group (priv->source_list, source_group, -1);
+		g_object_unref (source_group);
+	} else {
+		/* Force the group name to the current locale. */
+		e_source_group_set_name (on_the_web, name);
+	}
+
+	name = _("Contacts");
+
+	if (contacts != NULL) {
+		GSList *sources;
+
+		/* Force the group name to the current locale. */
+		e_source_group_set_name (contacts, name);
+
+		sources = e_source_group_peek_sources (contacts);
+
+		if (sources != NULL) {
+			GSList *trash;
+
+			/* There is only one source under Contacts. */
+			birthdays = E_SOURCE (sources->data);
+			sources = g_slist_next (sources);
+
+			/* Delete any other sources in this group.
+			 * Earlier versions allowed you to create
+			 * additional sources under Contacts. */
+			trash = g_slist_copy (sources);
+			while (trash != NULL) {
+				ESource *source = trash->data;
+				e_source_group_remove_source (contacts, source);
+				trash = g_slist_delete_link (trash, trash);
+			}
+
+		}
+	} else {
+		ESourceGroup *source_group;
+
+		source_group = e_source_group_new (name, CONTACTS_BASE_URI);
+		e_source_list_add_group (priv->source_list, source_group, -1);
+		g_object_unref (source_group);
+
+		/* This is now a borrowed reference. */
+		contacts = source_group;
+	}
+
+	/* XXX e_source_group_get_property() returns a newly-allocated
+	 *     string when it could just as easily return a const string.
+	 *     Unfortunately, fixing that would break the API. */
+	property = e_source_group_get_property (contacts, "create_source");
+	if (property == NULL)
+		e_source_group_set_property (contacts, "create_source", "no");
+	g_free (property);
+
+	name = _("Birthdays & Anniversaries");
+
+	if (birthdays == NULL) {
+		ESource *source;
+		const gchar *name;
+
+		name = _("Birthdays & Anniversaries");
+		source = e_source_new (name, "/");
+		e_source_group_add_source (contacts, source, -1);
+		g_object_unref (source);
+
+		/* This is now a borrowed reference. */
+		birthdays = source;
+	} else {
+		/* Force the source name to the current locale. */
+		e_source_set_name (birthdays, name);
+	}
+
+	if (e_source_get_property (birthdays, "delete") == NULL)
+		e_source_set_property (birthdays, "delete", "no");
+
+	if (e_source_peek_color_spec (birthdays) == NULL)
+		e_source_set_color_spec (birthdays, "#DDBECE");
+
+	name = _("Weather");
+
+	if (weather == NULL) {
+		ESourceGroup *source_group;
+
+		source_group = e_source_group_new (name, WEATHER_BASE_URI);
+		e_source_list_add_group (priv->source_list, source_group, -1);
+		g_object_unref (source_group);
+	} else {
+		/* Force the group name to the current locale. */
+		e_source_group_set_name (weather, name);
+	}
+
+	g_free (base_uri);
+}
+
+static void
+cal_shell_backend_event_new_cb (ECal *cal,
+                                ECalendarStatus status,
+                                EShell *shell)
+{
+	ECalComponent *comp;
+	CompEditor *editor;
+	CompEditorFlags flags = 0;
+
+	/* XXX Handle errors better. */
+	if (status != E_CALENDAR_STATUS_OK)
+		return;
+
+	flags |= COMP_EDITOR_NEW_ITEM;
+	flags |= COMP_EDITOR_USER_ORG;
+
+	editor = event_editor_new (cal, shell, flags);
+	comp = cal_comp_event_new_with_current_time (cal, FALSE);
+	comp_editor_edit_comp (editor, comp);
+
+	gtk_window_present (GTK_WINDOW (editor));
+
+	g_object_unref (comp);
+	g_object_unref (cal);
+}
+
+static void
+cal_shell_backend_event_all_day_new_cb (ECal *cal,
+                                        ECalendarStatus status,
+                                        EShell *shell)
+{
+	ECalComponent *comp;
+	CompEditor *editor;
+	CompEditorFlags flags = 0;
+
+	/* XXX Handle errors better. */
+	if (status != E_CALENDAR_STATUS_OK)
+		return;
+
+	flags |= COMP_EDITOR_NEW_ITEM;
+	flags |= COMP_EDITOR_USER_ORG;
+
+	editor = event_editor_new (cal, shell, flags);
+	comp = cal_comp_event_new_with_current_time (cal, TRUE);
+	comp_editor_edit_comp (editor, comp);
+
+	gtk_window_present (GTK_WINDOW (editor));
+
+	g_object_unref (comp);
+	g_object_unref (cal);
+}
+
+static void
+cal_shell_backend_event_meeting_new_cb (ECal *cal,
+                                        ECalendarStatus status,
+                                        EShell *shell)
+{
+	ECalComponent *comp;
+	CompEditor *editor;
+	CompEditorFlags flags = 0;
+
+	/* XXX Handle errors better. */
+	if (status != E_CALENDAR_STATUS_OK)
+		return;
+
+	flags |= COMP_EDITOR_NEW_ITEM;
+	flags |= COMP_EDITOR_USER_ORG;
+	flags |= COMP_EDITOR_MEETING;
+
+	editor = event_editor_new (cal, shell, flags);
+	comp = cal_comp_event_new_with_current_time (cal, FALSE);
+	comp_editor_edit_comp (editor, comp);
+
+	gtk_window_present (GTK_WINDOW (editor));
+
+	g_object_unref (comp);
+	g_object_unref (cal);
+}
+
+static void
+action_event_new_cb (GtkAction *action,
+                     EShellWindow *shell_window)
+{
+	ECal *cal = NULL;
+	ECalSourceType source_type;
+	ESourceList *source_list;
+	EShellSettings *shell_settings;
+	EShell *shell;
+	const gchar *action_name;
+	gchar *uid;
+
+	/* This callback is used for both appointments and meetings. */
+
+	source_type = E_CAL_SOURCE_TYPE_EVENT;
+
+	shell = e_shell_window_get_shell (shell_window);
+	shell_settings = e_shell_get_shell_settings (shell);
+
+	if (!e_cal_get_sources (&source_list, source_type, NULL)) {
+		g_warning ("Could not get calendar sources from GConf!");
+		return;
+	}
+
+	uid = e_shell_settings_get_string (
+		shell_settings, "cal-primary-calendar");
+
+	if (uid != NULL) {
+		ESource *source;
+
+		source = e_source_list_peek_source_by_uid (source_list, uid);
+		if (source != NULL)
+			cal = auth_new_cal_from_source (source, source_type);
+		g_free (uid);
+	}
+
+	if (cal == NULL)
+		cal = auth_new_cal_from_default (source_type);
+
+	g_return_if_fail (cal != NULL);
+
+	/* Connect the appropriate signal handler. */
+	action_name = gtk_action_get_name (action);
+	if (strcmp (action_name, "event-all-day-new") == 0)
+		g_signal_connect (
+			cal, "cal-opened",
+			G_CALLBACK (cal_shell_backend_event_all_day_new_cb),
+			shell);
+	else if (strcmp (action_name, "event-meeting-new") == 0)
+		g_signal_connect (
+			cal, "cal-opened",
+			G_CALLBACK (cal_shell_backend_event_meeting_new_cb),
+			shell);
+	else
+		g_signal_connect (
+			cal, "cal-opened",
+			G_CALLBACK (cal_shell_backend_event_new_cb),
+			shell);
+
+	e_cal_open_async (cal, FALSE);
+}
+
+static void
+action_calendar_new_cb (GtkAction *action,
+                        EShellWindow *shell_window)
+{
+	calendar_setup_new_calendar (GTK_WINDOW (shell_window));
+}
+
+static GtkActionEntry item_entries[] = {
+
+	{ "event-new",
+	  "appointment-new",
+	  NC_("New", "_Appointment"),
+	  "<Shift><Control>a",
+	  N_("Create a new appointment"),
+	  G_CALLBACK (action_event_new_cb) },
+
+	{ "event-all-day-new",
+	  "stock_new-24h-appointment",
+	  NC_("New", "All Day A_ppointment"),
+	  NULL,
+	  N_("Create a new all-day appointment"),
+	  G_CALLBACK (action_event_new_cb) },
+
+	{ "event-meeting-new",
+	  "stock_new-meeting",
+	  NC_("New", "M_eeting"),
+	  "<Shift><Control>e",
+	  N_("Create a new meeting request"),
+	  G_CALLBACK (action_event_new_cb) }
+};
+
+static GtkActionEntry source_entries[] = {
+
+	{ "calendar-new",
+	  "x-office-calendar",
+	  NC_("New", "Cale_ndar"),
+	  NULL,
+	  N_("Create a new calendar"),
+	  G_CALLBACK (action_calendar_new_cb) }
+};
+
+static void
+cal_shell_backend_init_importers (void)
+{
+	EImportClass *import_class;
+	EImportImporter *importer;
+
+	import_class = g_type_class_ref (e_import_get_type ());
+
+	importer = gnome_calendar_importer_peek ();
+	e_import_class_add_importer (import_class, importer, NULL, NULL);
+
+	importer = ical_importer_peek ();
+	e_import_class_add_importer (import_class, importer, NULL, NULL);
+
+	importer = vcal_importer_peek ();
+	e_import_class_add_importer (import_class, importer, NULL, NULL);
+}
+
+static void
+cal_shell_backend_init_preferences (EShell *shell)
+{
+	GtkWidget *preferences_window;
+
+	preferences_window = e_shell_get_preferences_window (shell);
+
+	e_preferences_window_add_page (
+		E_PREFERENCES_WINDOW (preferences_window),
+		"calendar-and-tasks",
+		"preferences-calendar-and-tasks",
+		_("Calendar and Tasks"),
+		calendar_prefs_dialog_new (shell),
+		600);
+}
+
+static gboolean
+cal_shell_backend_handle_uri_cb (EShellBackend *shell_backend,
+                                 const gchar *uri)
+{
+	EShell *shell;
+	CompEditor *editor;
+	CompEditorFlags flags = 0;
+	ECal *client;
+	ECalComponent *comp;
+	ESource *source;
+	ESourceList *source_list;
+	ECalSourceType source_type;
+	EUri *euri;
+	icalcomponent *icalcomp;
+	icalproperty *icalprop;
+	const gchar *cp;
+	gchar *source_uid = NULL;
+	gchar *comp_uid = NULL;
+	gchar *comp_rid = NULL;
+	time_t startdate = -1;
+	time_t enddate = -1;
+	gboolean handled = FALSE;
+	GError *error = NULL;
+
+	source_type = E_CAL_SOURCE_TYPE_EVENT;
+	shell = e_shell_backend_get_shell (shell_backend);
+
+	if (strncmp (uri, "calendar:", 9) != 0)
+		return FALSE;
+
+	euri = e_uri_new (uri);
+	cp = euri->query;
+	if (cp == NULL)
+		goto exit;
+
+	while (*cp != '\0') {
+		gchar *header;
+		gchar *content;
+		gsize header_len;
+		gsize content_len;
+
+		header_len = strcspn (cp, "=&");
+
+		/* It it's malformed, give up. */
+		if (cp[header_len] != '=')
+			break;
+
+		header = (gchar *) cp;
+		header[header_len] = '\0';
+		cp += header_len + 1;
+
+		content_len = strcspn (cp, "&");
+
+		content = g_strndup (cp, content_len);
+		if (g_ascii_strcasecmp (header, "startdate") == 0)
+			startdate = time_from_isodate (content);
+		else if (g_ascii_strcasecmp (header, "enddate") == 0)
+			enddate = time_from_isodate (content);
+		else if (g_ascii_strcasecmp (header, "source-uid") == 0)
+			source_uid = g_strdup (content);
+		else if (g_ascii_strcasecmp (header, "comp-uid") == 0)
+			comp_uid = g_strdup (content);
+		else if (g_ascii_strcasecmp (header, "comp-rid") == 0)
+			comp_rid = g_strdup (content);
+		g_free (content);
+
+		cp += content_len;
+		if (*cp == '&') {
+			cp++;
+			if (strcmp (cp, "amp;") == 0)
+				cp += 4;
+		}
+	}
+
+	if (source_uid == NULL || comp_uid == NULL)
+		goto exit;
+
+	/* URI is valid, so consider it handled.  Whether
+	 * we successfully open it is another matter... */
+	handled = TRUE;
+
+	if (!e_cal_get_sources (&source_list, source_type, NULL)) {
+		g_printerr ("Could not get calendar sources from GConf!\n");
+		goto exit;
+	}
+
+	source = e_source_list_peek_source_by_uid (source_list, source_uid);
+	if (source == NULL) {
+		g_printerr ("No source for UID `%s'\n", source_uid);
+		g_object_unref (source_list);
+		goto exit;
+	}
+
+	client = auth_new_cal_from_source (source, source_type);
+	if (client == NULL || !e_cal_open (client, TRUE, &error)) {
+		g_printerr ("%s\n", error->message);
+		g_object_unref (source_list);
+		g_error_free (error);
+		goto exit;
+	}
+
+	/* XXX Copied from e_cal_shell_view_open_event().
+	 *     Clearly a new utility function is needed. */
+
+	editor = comp_editor_find_instance (comp_uid);
+
+	if (editor != NULL)
+		goto present;
+
+	if (!e_cal_get_object (client, comp_uid, comp_rid, &icalcomp, &error)) {
+		g_printerr ("%s\n", error->message);
+		g_object_unref (source_list);
+		g_error_free (error);
+		goto exit;
+	}
+
+	comp = e_cal_component_new ();
+	e_cal_component_set_icalcomponent (comp, icalcomp);
+
+	icalprop = icalcomponent_get_first_property (
+		icalcomp, ICAL_ATTENDEE_PROPERTY);
+	if (icalprop != NULL)
+		flags |= COMP_EDITOR_MEETING;
+
+	if (itip_organizer_is_user (comp, client))
+		flags |= COMP_EDITOR_USER_ORG;
+
+	if (itip_sentby_is_user (comp, client))
+		flags |= COMP_EDITOR_USER_ORG;
+
+	if (!e_cal_component_has_attendees (comp))
+		flags |= COMP_EDITOR_USER_ORG;
+
+	editor = event_editor_new (client, shell, flags);
+	comp_editor_edit_comp (editor, comp);
+
+	g_object_unref (comp);
+
+present:
+	gtk_window_present (GTK_WINDOW (editor));
+
+	g_object_unref (source_list);
+	g_object_unref (client);
+
+exit:
+	g_free (source_uid);
+	g_free (comp_uid);
+	g_free (comp_rid);
+
+	e_uri_free (euri);
+
+	return handled;
+}
+
+static void
+cal_shell_backend_window_created_cb (EShellBackend *shell_backend,
+                                     GtkWindow *window)
+{
+	const gchar *backend_name;
+
+	if (!E_IS_SHELL_WINDOW (window))
+		return;
+
+	backend_name = E_SHELL_BACKEND_GET_CLASS (shell_backend)->name;
+
+	e_shell_window_register_new_item_actions (
+		E_SHELL_WINDOW (window), backend_name,
+		item_entries, G_N_ELEMENTS (item_entries));
+
+	e_shell_window_register_new_source_actions (
+		E_SHELL_WINDOW (window), backend_name,
+		source_entries, G_N_ELEMENTS (source_entries));
+}
+
+static void
+cal_shell_backend_get_property (GObject *object,
+                                guint property_id,
+                                GValue *value,
+                                GParamSpec *pspec)
+{
+	switch (property_id) {
+		case PROP_SOURCE_LIST:
+			g_value_set_object (
+				value,
+				e_cal_shell_backend_get_source_list (
+				E_CAL_SHELL_BACKEND (object)));
+			return;
+	}
+
+	G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+}
+
+static void
+cal_shell_backend_dispose (GObject *object)
+{
+	ECalShellBackendPrivate *priv;
+
+	priv = E_CAL_SHELL_BACKEND_GET_PRIVATE (object);
+
+	if (priv->source_list != NULL) {
+		g_object_unref (priv->source_list);
+		priv->source_list = NULL;
+	}
+
+	/* Chain up to parent's dispose() method. */
+	G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+cal_shell_backend_constructed (GObject *object)
+{
+	EShell *shell;
+	EShellBackend *shell_backend;
+
+	shell_backend = E_SHELL_BACKEND (object);
+	shell = e_shell_backend_get_shell (shell_backend);
+
+	cal_shell_backend_ensure_sources (shell_backend);
+
+	g_signal_connect_swapped (
+		shell, "handle-uri",
+		G_CALLBACK (cal_shell_backend_handle_uri_cb),
+		shell_backend);
+
+	g_signal_connect_swapped (
+		shell, "window-created",
+		G_CALLBACK (cal_shell_backend_window_created_cb),
+		shell_backend);
+
+	cal_shell_backend_init_importers ();
+
+	/* Initialize settings before initializing preferences,
+	 * since the preferences bind to the shell settings. */
+	e_cal_shell_backend_init_settings (shell);
+	cal_shell_backend_init_preferences (shell);
+}
+
+static void
+cal_shell_backend_class_init (ECalShellBackendClass *class)
+{
+	GObjectClass *object_class;
+	EShellBackendClass *shell_backend_class;
+
+	parent_class = g_type_class_peek_parent (class);
+	g_type_class_add_private (class, sizeof (ECalShellBackendPrivate));
+
+	object_class = G_OBJECT_CLASS (class);
+	object_class->get_property = cal_shell_backend_get_property;
+	object_class->dispose = cal_shell_backend_dispose;
+	object_class->constructed = cal_shell_backend_constructed;
+
+	shell_backend_class = E_SHELL_BACKEND_CLASS (class);
+	shell_backend_class->shell_view_type = E_TYPE_CAL_SHELL_VIEW;
+	shell_backend_class->name = "calendar";
+	shell_backend_class->aliases = "";
+	shell_backend_class->schemes = "calendar";
+	shell_backend_class->sort_order = 400;
+	shell_backend_class->start = NULL;
+	shell_backend_class->migrate = e_cal_shell_backend_migrate;
+
+	g_object_class_install_property (
+		object_class,
+		PROP_SOURCE_LIST,
+		g_param_spec_object (
+			"source-list",
+			_("Source List"),
+			_("The registry of calendars"),
+			E_TYPE_SOURCE_LIST,
+			G_PARAM_READABLE));
+}
+
+static void
+cal_shell_backend_init (ECalShellBackend *cal_shell_backend)
+{
+	cal_shell_backend->priv =
+		E_CAL_SHELL_BACKEND_GET_PRIVATE (cal_shell_backend);
+}
+
+GType
+e_cal_shell_backend_get_type (void)
+{
+	return cal_shell_backend_type;
+}
+
+void
+e_cal_shell_backend_register_type (GTypeModule *type_module)
+{
+	const GTypeInfo type_info = {
+		sizeof (ECalShellBackendClass),
+		(GBaseInitFunc) NULL,
+		(GBaseFinalizeFunc) NULL,
+		(GClassInitFunc) cal_shell_backend_class_init,
+		(GClassFinalizeFunc) NULL,
+		NULL,  /* class_data */
+		sizeof (ECalShellBackend),
+		0,     /* n_preallocs */
+		(GInstanceInitFunc) cal_shell_backend_init,
+		NULL   /* value_table */
+	};
+
+	cal_shell_backend_type = g_type_module_register_type (
+		type_module, E_TYPE_SHELL_BACKEND,
+		"ECalShellBackend", &type_info, 0);
+}
+
+ESourceList *
+e_cal_shell_backend_get_source_list (ECalShellBackend *cal_shell_backend)
+{
+	g_return_val_if_fail (
+		E_IS_CAL_SHELL_BACKEND (cal_shell_backend), NULL);
+
+	return cal_shell_backend->priv->source_list;
+}