[evolution/webkit] Show calendar backend errors in an alert sink

[Dan VrÃtil <dvratil src gnome org>]

commit f27c968df9dd1cef8e32b46f0fc416a1121044bb
Author: Milan Crha <mcrha redhat com>
Date:   Fri Dec 3 21:33:01 2010 +0100

    Show calendar backend errors in an alert sink

 calendar/calendar.error.xml             |    8 +++++
 modules/calendar/e-cal-shell-sidebar.c  |   27 ++---------------
 modules/calendar/e-memo-shell-sidebar.c |   49 +++++++++++++-----------------
 modules/calendar/e-task-shell-sidebar.c |   49 +++++++++++++-----------------
 widgets/misc/e-alert-bar.c              |   32 ++++++++++++++++++++
 5 files changed, 85 insertions(+), 80 deletions(-)
---
diff --git a/calendar/calendar.error.xml b/calendar/calendar.error.xml
index 3d1f2c9..3d7d657 100644
--- a/calendar/calendar.error.xml
+++ b/calendar/calendar.error.xml
@@ -289,6 +289,14 @@
   <button stock ="gtk-ok" response="GTK_RESPONSE_YES"/>
  </error>
 
+ <error id="backend-error" type="error" default="GTK_RESPONSE_YES">
+  <!-- Translators: {0} is replaced with a group name, like CalDAV, Google, or such;
+     {1} is replaced with a calendar/task/memo list name, where the error happened -->
+  <_primary>Error on {0}: {1}</_primary>
+  <secondary>{2}</secondary>
+  <button stock ="gtk-ok" response="GTK_RESPONSE_YES"/>
+ </error>
+
  <error id="server-version" type="warning">
  <_primary>Some features may not work properly with your current server.</_primary>
  <_secondary>You are connecting to an unsupported GroupWise server and may encounter problems using Evolution. For best results, the server should be upgraded to a supported version.</_secondary>
diff --git a/modules/calendar/e-cal-shell-sidebar.c b/modules/calendar/e-cal-shell-sidebar.c
index 1e29198..81ab858 100644
--- a/modules/calendar/e-cal-shell-sidebar.c
+++ b/modules/calendar/e-cal-shell-sidebar.c
@@ -111,7 +111,6 @@ cal_shell_sidebar_backend_died_cb (ECalShellSidebar *cal_shell_sidebar,
                                    ECal *client)
 {
 	EShellView *shell_view;
-	EShellWindow *shell_window;
 	EShellSidebar *shell_sidebar;
 	GHashTable *client_table;
 	ESource *source;
@@ -121,7 +120,6 @@ cal_shell_sidebar_backend_died_cb (ECalShellSidebar *cal_shell_sidebar,
 
 	shell_sidebar = E_SHELL_SIDEBAR (cal_shell_sidebar);
 	shell_view = e_shell_sidebar_get_shell_view (shell_sidebar);
-	shell_window = e_shell_view_get_shell_window (shell_view);
 
 	source = e_cal_get_source (client);
 	uid = e_source_peek_uid (source);
@@ -131,8 +129,7 @@ cal_shell_sidebar_backend_died_cb (ECalShellSidebar *cal_shell_sidebar,
 	g_hash_table_remove (client_table, uid);
 	cal_shell_sidebar_emit_status_message (cal_shell_sidebar, NULL);
 
-	e_alert_run_dialog_for_args (
-		GTK_WINDOW (shell_window),
+	e_alert_submit (E_ALERT_SINK (e_shell_view_get_shell_content (shell_view)),
 		"calendar:calendar-crashed", NULL);
 
 	g_object_unref (source);
@@ -144,36 +141,18 @@ cal_shell_sidebar_backend_error_cb (ECalShellSidebar *cal_shell_sidebar,
                                     ECal *client)
 {
 	EShellView *shell_view;
-	EShellWindow *shell_window;
 	EShellSidebar *shell_sidebar;
 	ESourceGroup *source_group;
 	ESource *source;
-	GtkWidget *dialog;
 
 	shell_sidebar = E_SHELL_SIDEBAR (cal_shell_sidebar);
 	shell_view = e_shell_sidebar_get_shell_view (shell_sidebar);
-	shell_window = e_shell_view_get_shell_window (shell_view);
 
 	source = e_cal_get_source (client);
 	source_group = e_source_peek_group (source);
 
-	/* Translators: This string is displayed in a message dialog when
-	 *              our connection to the calendar service detects an
-	 *              out-of-band error.  The first string is a name of 
-	 *              group in which calendar for the source of error is
-	 *              defined and the second string is name of calendar 
-	 *              and the third string is the error message. */
-	dialog = gtk_message_dialog_new (
-		GTK_WINDOW (shell_window),
-		GTK_DIALOG_DESTROY_WITH_PARENT,
-		GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
-		_("Error on %s: %s\n%s"),
-		e_source_group_peek_name (source_group),
-		e_source_peek_name (source), message);
-
-	gtk_dialog_run (GTK_DIALOG (dialog));
-	gtk_widget_destroy (dialog);
-
+	e_alert_submit (E_ALERT_SINK (e_shell_view_get_shell_content (shell_view)),
+		"calendar:backend-error", e_source_group_peek_name (source_group), e_source_peek_name (source), message, NULL);
 }
 
 static void
diff --git a/modules/calendar/e-memo-shell-sidebar.c b/modules/calendar/e-memo-shell-sidebar.c
index 5bc5dfd..14d4b36 100644
--- a/modules/calendar/e-memo-shell-sidebar.c
+++ b/modules/calendar/e-memo-shell-sidebar.c
@@ -101,12 +101,24 @@ memo_shell_sidebar_emit_status_message (EMemoShellSidebar *memo_shell_sidebar,
 	g_signal_emit (memo_shell_sidebar, signal_id, 0, status_message, -1.0);
 }
 
+static EAlertSink *
+get_alert_sink (EShellView *shell_view)
+{
+	EShellWindow *shell_window;
+
+	shell_window = e_shell_view_get_shell_window (shell_view);
+
+	if (g_strcmp0 (e_shell_window_get_active_view (shell_window), "calendar") == 0)
+		shell_view = e_shell_window_peek_shell_view (shell_window, "calendar");
+
+	return E_ALERT_SINK (e_shell_view_get_shell_content (shell_view));
+}
+
 static void
 memo_shell_sidebar_backend_died_cb (EMemoShellSidebar *memo_shell_sidebar,
                                     ECal *client)
 {
 	EShellView *shell_view;
-	EShellWindow *shell_window;
 	EShellSidebar *shell_sidebar;
 	GHashTable *client_table;
 	ESource *source;
@@ -116,7 +128,6 @@ memo_shell_sidebar_backend_died_cb (EMemoShellSidebar *memo_shell_sidebar,
 
 	shell_sidebar = E_SHELL_SIDEBAR (memo_shell_sidebar);
 	shell_view = e_shell_sidebar_get_shell_view (shell_sidebar);
-	shell_window = e_shell_view_get_shell_window (shell_view);
 
 	source = e_cal_get_source (client);
 	uid = e_source_peek_uid (source);
@@ -126,8 +137,7 @@ memo_shell_sidebar_backend_died_cb (EMemoShellSidebar *memo_shell_sidebar,
 	g_hash_table_remove (client_table, uid);
 	memo_shell_sidebar_emit_status_message (memo_shell_sidebar, NULL);
 
-	e_alert_run_dialog_for_args (
-		GTK_WINDOW (shell_window),
+	e_alert_submit (get_alert_sink (shell_view),
 		"calendar:memos-crashed", NULL);
 
 	g_object_unref (source);
@@ -139,35 +149,18 @@ memo_shell_sidebar_backend_error_cb (EMemoShellSidebar *memo_shell_sidebar,
                                      ECal *client)
 {
 	EShellView *shell_view;
-	EShellWindow *shell_window;
 	EShellSidebar *shell_sidebar;
-	GtkWidget *dialog;
-	const gchar *uri;
-	gchar *uri_no_passwd;
+	ESourceGroup *source_group;
+	ESource *source;
 
 	shell_sidebar = E_SHELL_SIDEBAR (memo_shell_sidebar);
 	shell_view = e_shell_sidebar_get_shell_view (shell_sidebar);
-	shell_window = e_shell_view_get_shell_window (shell_view);
 
-	uri = e_cal_get_uri (client);
-	uri_no_passwd = get_uri_without_password (uri);
-
-	/* Translators: This string is displayed in a message dialog when
-	 *              our connection to the calendar service detects an
-	 *              out-of-band error.  The first string is a URI for
-	 *              the source of the error, the second string is the
-	 *              error message. */
-	dialog = gtk_message_dialog_new (
-		GTK_WINDOW (shell_window),
-		GTK_DIALOG_DESTROY_WITH_PARENT,
-		GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
-		_("Error on %s\n%s"),
-		uri_no_passwd, message);
-
-	gtk_dialog_run (GTK_DIALOG (dialog));
-	gtk_widget_destroy (dialog);
-
-	g_free (uri_no_passwd);
+	source = e_cal_get_source (client);
+	source_group = e_source_peek_group (source);
+
+	e_alert_submit (get_alert_sink (shell_view),
+		"calendar:backend-error", e_source_group_peek_name (source_group), e_source_peek_name (source), message, NULL);
 }
 
 static void
diff --git a/modules/calendar/e-task-shell-sidebar.c b/modules/calendar/e-task-shell-sidebar.c
index 52887fa..99bc67f 100644
--- a/modules/calendar/e-task-shell-sidebar.c
+++ b/modules/calendar/e-task-shell-sidebar.c
@@ -101,12 +101,24 @@ task_shell_sidebar_emit_status_message (ETaskShellSidebar *task_shell_sidebar,
 	g_signal_emit (task_shell_sidebar, signal_id, 0, status_message, -1.0);
 }
 
+static EAlertSink *
+get_alert_sink (EShellView *shell_view)
+{
+	EShellWindow *shell_window;
+
+	shell_window = e_shell_view_get_shell_window (shell_view);
+
+	if (g_strcmp0 (e_shell_window_get_active_view (shell_window), "calendar") == 0)
+		shell_view = e_shell_window_peek_shell_view (shell_window, "calendar");
+
+	return E_ALERT_SINK (e_shell_view_get_shell_content (shell_view));
+}
+
 static void
 task_shell_sidebar_backend_died_cb (ETaskShellSidebar *task_shell_sidebar,
                                     ECal *client)
 {
 	EShellView *shell_view;
-	EShellWindow *shell_window;
 	EShellSidebar *shell_sidebar;
 	GHashTable *client_table;
 	ESource *source;
@@ -116,7 +128,6 @@ task_shell_sidebar_backend_died_cb (ETaskShellSidebar *task_shell_sidebar,
 
 	shell_sidebar = E_SHELL_SIDEBAR (task_shell_sidebar);
 	shell_view = e_shell_sidebar_get_shell_view (shell_sidebar);
-	shell_window = e_shell_view_get_shell_window (shell_view);
 
 	source = e_cal_get_source (client);
 	uid = e_source_peek_uid (source);
@@ -126,8 +137,7 @@ task_shell_sidebar_backend_died_cb (ETaskShellSidebar *task_shell_sidebar,
 	g_hash_table_remove (client_table, uid);
 	task_shell_sidebar_emit_status_message (task_shell_sidebar, NULL);
 
-	e_alert_run_dialog_for_args (
-		GTK_WINDOW (shell_window),
+	e_alert_submit (get_alert_sink (shell_view),
 		"calendar:tasks-crashed", NULL);
 
 	g_object_unref (source);
@@ -139,35 +149,18 @@ task_shell_sidebar_backend_error_cb (ETaskShellSidebar *task_shell_sidebar,
                                      ECal *client)
 {
 	EShellView *shell_view;
-	EShellWindow *shell_window;
 	EShellSidebar *shell_sidebar;
-	GtkWidget *dialog;
-	const gchar *uri;
-	gchar *uri_no_passwd;
+	ESourceGroup *source_group;
+	ESource *source;
 
 	shell_sidebar = E_SHELL_SIDEBAR (task_shell_sidebar);
 	shell_view = e_shell_sidebar_get_shell_view (shell_sidebar);
-	shell_window = e_shell_view_get_shell_window (shell_view);
 
-	uri = e_cal_get_uri (client);
-	uri_no_passwd = get_uri_without_password (uri);
-
-	/* Translators: This string is displayed in a message dialog when
-	 *              our connection to the calendar service detects an
-	 *              out-of-band error.  The first string is a URI for
-	 *              the source of the error, the second string is the
-	 *              error message. */
-	dialog = gtk_message_dialog_new (
-		GTK_WINDOW (shell_window),
-		GTK_DIALOG_DESTROY_WITH_PARENT,
-		GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
-		_("Error on %s\n%s"),
-		uri_no_passwd, message);
-
-	gtk_dialog_run (GTK_DIALOG (dialog));
-	gtk_widget_destroy (dialog);
-
-	g_free (uri_no_passwd);
+	source = e_cal_get_source (client);
+	source_group = e_source_peek_group (source);
+
+	e_alert_submit (get_alert_sink (shell_view),
+		"calendar:backend-error", e_source_group_peek_name (source_group), e_source_peek_name (source), message, NULL);
 }
 
 static void
diff --git a/widgets/misc/e-alert-bar.c b/widgets/misc/e-alert-bar.c
index cae1bc0..c20a74e 100644
--- a/widgets/misc/e-alert-bar.c
+++ b/widgets/misc/e-alert-bar.c
@@ -243,13 +243,45 @@ e_alert_bar_new (void)
 	return g_object_new (E_TYPE_ALERT_BAR, NULL);
 }
 
+struct DuplicateData
+{
+	gboolean found;
+	EAlert *looking_for;
+};
+
+static void
+find_duplicate_cb (gpointer data, gpointer user_data)
+{
+	EAlert *alert = data;
+	struct DuplicateData *dd = user_data;
+
+	g_return_if_fail (alert != NULL);
+	g_return_if_fail (dd != NULL);
+	g_return_if_fail (dd->looking_for != NULL);
+
+	dd->found = dd->found || (
+		e_alert_get_message_type (alert) == e_alert_get_message_type (dd->looking_for) &&
+		g_strcmp0 (e_alert_get_primary_text (alert), e_alert_get_primary_text (dd->looking_for)) == 0 &&
+		g_strcmp0 (e_alert_get_secondary_text (alert), e_alert_get_secondary_text (dd->looking_for)) == 0);
+}
+
 void
 e_alert_bar_add_alert (EAlertBar *alert_bar,
                        EAlert *alert)
 {
+	struct DuplicateData dd;
+
 	g_return_if_fail (E_IS_ALERT_BAR (alert_bar));
 	g_return_if_fail (E_IS_ALERT (alert));
 
+	dd.found = FALSE;
+	dd.looking_for = alert;
+
+	g_queue_foreach (&alert_bar->priv->alerts, find_duplicate_cb, &dd);
+
+	if (dd.found)
+		return;
+
 	g_signal_connect (
 		alert, "response",
 		G_CALLBACK (alert_bar_response_cb), alert_bar);