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/*
* e-alert-sink.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/>
*
*/
/**
* SECTION: e-alert-sink
* @short_description: an interface to handle alerts
* @include: e-util/e-alert-sink.h
*
* A widget that implements #EAlertSink means it can handle #EAlerts,
* usually by displaying them to the user.
**/
#include "e-alert-sink.h"
#include "e-alert-dialog.h"
G_DEFINE_INTERFACE (
EAlertSink,
e_alert_sink,
GTK_TYPE_WIDGET)
static void
alert_sink_submit_alert (EAlertSink *alert_sink,
EAlert *alert)
{
GtkWidget *dialog;
gpointer parent;
/* This is just a lame fallback handler. Implementors
* are strongly encouraged to override this method. */
parent = gtk_widget_get_toplevel (GTK_WIDGET (alert_sink));
parent = gtk_widget_is_toplevel (parent) ? parent : NULL;
dialog = e_alert_dialog_new (parent, alert);
gtk_dialog_run (GTK_DIALOG (dialog));
gtk_widget_destroy (dialog);
}
static void
e_alert_sink_default_init (EAlertSinkInterface *interface)
{
interface->submit_alert = alert_sink_submit_alert;
}
/**
* e_alert_sink_submit_alert:
* @widget: a #GtkWidget, either itself an #EAlertSink or a child of one
* @alert: an #EAlert
*
* This function is a place to pass #EAlert objects. Beyond that it has no
* well-defined behavior. It's up to the widget implementing the #EAlertSink
* interface to decide what to do with them.
*
* Either @widget or one of its parents must implement #EAlertSink.
*
* The default behavior is to display the @alert in a dialog.
**/
void
e_alert_sink_submit_alert (GtkWidget *widget,
EAlert *alert)
{
EAlertSinkInterface *interface;
g_return_if_fail (GTK_IS_WIDGET (widget));
g_return_if_fail (E_IS_ALERT (alert));
while (widget != NULL && !E_IS_ALERT_SINK (widget))
widget = gtk_widget_get_parent (widget);
g_return_if_fail (E_IS_ALERT_SINK (widget));
interface = E_ALERT_SINK_GET_INTERFACE (widget);
g_return_if_fail (interface->submit_alert != NULL);
interface->submit_alert (E_ALERT_SINK (widget), alert);
}
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