Add EMailConfigActivityPage.

This is a convenient base class for EMailConfigPages that might need
to run an asynchronous method and display an error message.  It adds
activity and alert bars to the bottom of the page, it implements the
EAlertSink interface, and can create new EActivity instances.

1 files changed, 178 insertions, 0 deletions

diff --git a/mail/e-mail-config-activity-page.c b/mail/e-mail-config-activity-page.c
new file mode 100644
index 0000000000..4328555f75
--- /dev/null
+++ b/mail/e-mail-config-activity-page.c
@@ -0,0 +1,178 @@
+/*
+ * e-mail-config-activity-page.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 "e-mail-config-activity-page.h"
+
+#include <camel/camel.h>
+
+#include <libevolution-utils/e-alert-sink.h>
+#include <libevolution-utils/e-alert-dialog.h>
+#include <misc/e-activity-bar.h>
+#include <misc/e-alert-bar.h>
+
+#define E_MAIL_CONFIG_ACTIVITY_PAGE_GET_PRIVATE(obj) \
+	(G_TYPE_INSTANCE_GET_PRIVATE \
+	((obj), E_TYPE_MAIL_CONFIG_ACTIVITY_PAGE, EMailConfigActivityPagePrivate))
+
+struct _EMailConfigActivityPagePrivate {
+	GtkWidget *activity_bar;	/* not referenced */
+	GtkWidget *alert_bar;		/* not referenced */
+};
+
+/* Forward Declarations */
+static void	e_mail_config_activity_page_alert_sink_init
+					(EAlertSinkInterface *interface);
+
+G_DEFINE_ABSTRACT_TYPE_WITH_CODE (
+	EMailConfigActivityPage,
+	e_mail_config_activity_page,
+	GTK_TYPE_BOX,
+	G_IMPLEMENT_INTERFACE (
+		E_TYPE_ALERT_SINK,
+		e_mail_config_activity_page_alert_sink_init))
+
+static void
+mail_config_activity_page_constructed (GObject *object)
+{
+	EMailConfigActivityPage *page;
+	GtkWidget *frame;
+	GtkWidget *widget;
+
+	page = E_MAIL_CONFIG_ACTIVITY_PAGE (object);
+
+	/* Chain up to parent's constructed() method. */
+	G_OBJECT_CLASS (e_mail_config_activity_page_parent_class)->
+		constructed (object);
+
+	gtk_orientable_set_orientation (
+		GTK_ORIENTABLE (page), GTK_ORIENTATION_VERTICAL);
+
+	/* Does not matter what order the EActivityBar and EAlertBar are
+	 * packed.  They should never both be visible at the same time. */
+
+	frame = gtk_frame_new (NULL);
+	gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
+	gtk_box_pack_end (GTK_BOX (page), frame, FALSE, FALSE, 0);
+	/* Visibility is bound to the EActivityBar. */
+
+	widget = e_activity_bar_new ();
+	gtk_container_add (GTK_CONTAINER (frame), widget);
+	page->priv->activity_bar = widget;  /* do not reference */
+	/* EActivityBar controls its own visibility. */
+
+	g_object_bind_property (
+		widget, "visible",
+		frame, "visible",
+		G_BINDING_SYNC_CREATE);
+
+	frame = gtk_frame_new (NULL);
+	gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
+	gtk_box_pack_end (GTK_BOX (page), frame, FALSE, FALSE, 0);
+	/* Visibility is bound to the EAlertBar. */
+
+	widget = e_alert_bar_new ();
+	gtk_container_add (GTK_CONTAINER (frame), widget);
+	page->priv->alert_bar = widget;  /* do not reference */
+	/* EAlertBar controls its own visibility. */
+
+	g_object_bind_property (
+		widget, "visible",
+		frame, "visible",
+		G_BINDING_SYNC_CREATE);
+}
+
+static void
+mail_config_activity_page_submit_alert (EAlertSink *alert_sink,
+                                        EAlert *alert)
+{
+	EMailConfigActivityPagePrivate *priv;
+	EAlertBar *alert_bar;
+	GtkWidget *dialog;
+	gpointer parent;
+
+	priv = E_MAIL_CONFIG_ACTIVITY_PAGE_GET_PRIVATE (alert_sink);
+
+	parent = gtk_widget_get_toplevel (GTK_WIDGET (alert_sink));
+	parent = gtk_widget_is_toplevel (parent) ? parent : NULL;
+
+	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:
+			dialog = e_alert_dialog_new (parent, alert);
+			gtk_dialog_run (GTK_DIALOG (dialog));
+			gtk_widget_destroy (dialog);
+			break;
+	}
+}
+
+static void
+e_mail_config_activity_page_class_init (EMailConfigActivityPageClass *class)
+{
+	GObjectClass *object_class;
+
+	g_type_class_add_private (
+		class, sizeof (EMailConfigActivityPagePrivate));
+
+	object_class = G_OBJECT_CLASS (class);
+	object_class->constructed = mail_config_activity_page_constructed;
+}
+
+static void
+e_mail_config_activity_page_alert_sink_init (EAlertSinkInterface *interface)
+{
+	interface->submit_alert = mail_config_activity_page_submit_alert;
+}
+
+static void
+e_mail_config_activity_page_init (EMailConfigActivityPage *page)
+{
+	page->priv = E_MAIL_CONFIG_ACTIVITY_PAGE_GET_PRIVATE (page);
+}
+
+EActivity *
+e_mail_config_activity_page_new_activity (EMailConfigActivityPage *page)
+{
+	EActivity *activity;
+	EActivityBar *activity_bar;
+	GCancellable *cancellable;
+
+	g_return_val_if_fail (E_IS_MAIL_CONFIG_ACTIVITY_PAGE (page), NULL);
+
+	/* Clear any previous alerts. */
+	e_alert_bar_clear (E_ALERT_BAR (page->priv->alert_bar));
+
+	activity = e_activity_new ();
+
+	e_activity_set_alert_sink (activity, E_ALERT_SINK (page));
+
+	cancellable = camel_operation_new ();
+	e_activity_set_cancellable (activity, cancellable);
+	g_object_unref (cancellable);
+
+	activity_bar = E_ACTIVITY_BAR (page->priv->activity_bar);
+	e_activity_bar_set_activity (activity_bar, activity);
+
+	return activity;
+}
+