From 2b8701fa2b3925ab94231884e211bbcdada5359f Mon Sep 17 00:00:00 2001
From: Matthew Barnes <mbarnes@redhat.com>
Date: Mon, 21 Nov 2011 13:20:08 -0500
Subject: EPreviewPane: Implement EAlertSink.

Means EMailBrowser no longer has to.

Also, EMailReader now provides a default implementation for
get_alert_sink() which just calls get_preview_pane() and casts.
---
 widgets/misc/e-preview-pane.c | 70 +++++++++++++++++++++++++++++++++++++++++--
 widgets/misc/e-preview-pane.h |  1 +
 2 files changed, 69 insertions(+), 2 deletions(-)

(limited to 'widgets/misc')

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),
@@ -159,6 +182,35 @@ preview_pane_show_search_bar (EPreviewPane *preview_pane)
 		gtk_widget_show (search_bar);
 }
 
+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)
 {
@@ -212,6 +264,12 @@ e_preview_pane_class_init (EPreviewPaneClass *class)
 		"show-search-bar", 0);
 }
 
+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)
 {
@@ -247,6 +305,14 @@ e_preview_pane_get_search_bar (EPreviewPane *preview_pane)
 	return E_SEARCH_BAR (preview_pane->priv->search_bar);
 }
 
+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)
 {
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
-- 
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