notifications: Add panel
Show applications using the message tray, and allow configuring in what way the shell presents them. The set of applications shown include all applications that ever showed a notification in gnome-shell and all applications that have a boolean X-GNOME-UsesNotifications key set to true in their desktop file. https://bugzilla.gnome.org/show_bug.cgi?id=685928
This commit is contained in:
Giovanni Campagna
Bastien Nocera
parent
1af3a03ca3
commit
e8cd35edce
12 changed files with 812 additions and 0 deletions
467
panels/notifications/cc-notifications-panel.c
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467
panels/notifications/cc-notifications-panel.c
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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/*
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* Copyright (C) 2012 Giovanni Campagna <scampa.giovanni@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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*/
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#include "config.h"
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#include <string.h>
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#include <glib/gi18n-lib.h>
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#include <glib.h>
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#include <gio/gio.h>
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#include <gio/gdesktopappinfo.h>
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#include <egg-list-box/egg-list-box.h>
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#include "cc-notifications-panel.h"
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#define MASTER_SCHEMA "org.gnome.desktop.notifications"
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#define APP_SCHEMA MASTER_SCHEMA ".application"
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#define APP_PREFIX "/org/gnome/desktop/notifications/application/"
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struct _CcNotificationsPanel {
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CcPanel parent_instance;
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GSettings *master_settings;
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GtkBuilder *builder;
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EggListBox *list_box;
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GCancellable *apps_load_cancellable;
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GHashTable *known_applications;
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};
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struct _CcNotificationsPanelClass {
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CcPanelClass parent;
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};
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typedef struct {
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char *canonical_app_id;
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GAppInfo *app_info;
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GSettings *settings;
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/* Temporary pointer, to pass from the loading thread
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to the app */
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CcNotificationsPanel *panel;
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} Application;
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static void application_free (Application *app);
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static void build_app_store (CcNotificationsPanel *panel);
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static void select_app (EggListBox *box, GtkWidget *child, CcNotificationsPanel *panel);
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static int sort_apps (gconstpointer one, gconstpointer two, gpointer user_data);
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CC_PANEL_REGISTER (CcNotificationsPanel, cc_notifications_panel);
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static void
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cc_notifications_panel_dispose (GObject *object)
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{
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CcNotificationsPanel *panel = CC_NOTIFICATIONS_PANEL (object);
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g_clear_object (&panel->builder);
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g_clear_object (&panel->master_settings);
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g_clear_pointer (&panel->known_applications, g_hash_table_unref);
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g_cancellable_cancel (panel->apps_load_cancellable);
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G_OBJECT_CLASS (cc_notifications_panel_parent_class)->dispose (object);
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}
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static void
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cc_notifications_panel_finalize (GObject *object)
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{
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CcNotificationsPanel *panel = CC_NOTIFICATIONS_PANEL (object);
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g_clear_object (&panel->apps_load_cancellable);
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G_OBJECT_CLASS (cc_notifications_panel_parent_class)->finalize (object);
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}
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static void
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update_separator_func (GtkWidget **separator,
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GtkWidget *child,
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GtkWidget *before,
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gpointer user_data)
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{
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if (*separator == NULL && before != NULL)
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{
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*separator = gtk_separator_new (GTK_ORIENTATION_HORIZONTAL);
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/* https://bugzilla.gnome.org/show_bug.cgi?id=690545 */
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g_object_ref_sink (*separator);
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gtk_widget_show (*separator);
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}
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}
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static void
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cc_notifications_panel_init (CcNotificationsPanel *panel)
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{
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GtkWidget *w;
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GError *error = NULL;
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panel->known_applications = g_hash_table_new_full (g_str_hash, g_str_equal,
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NULL, g_free);
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panel->builder = gtk_builder_new ();
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if (gtk_builder_add_from_file (panel->builder,
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GNOMECC_UI_DIR "/notifications.ui",
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&error) == 0)
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{
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g_error ("Error loading UI file: %s", error->message);
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g_error_free (error);
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return;
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}
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panel->master_settings = g_settings_new (MASTER_SCHEMA);
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g_settings_bind (panel->master_settings, "show-banners",
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gtk_builder_get_object (panel->builder, "ccnotify-switch-banners"),
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"active", G_SETTINGS_BIND_DEFAULT);
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g_settings_bind (panel->master_settings, "show-in-lock-screen",
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gtk_builder_get_object (panel->builder, "ccnotify-switch-lock-screen"),
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"active", G_SETTINGS_BIND_DEFAULT);
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panel->list_box = egg_list_box_new ();
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w = GTK_WIDGET (gtk_builder_get_object (panel->builder,
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"ccnotify-app-scrolledwindow"));
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egg_list_box_add_to_scrolled (panel->list_box, GTK_SCROLLED_WINDOW (w));
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egg_list_box_set_selection_mode (panel->list_box, GTK_SELECTION_NONE);
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egg_list_box_set_sort_func (panel->list_box, sort_apps, NULL, NULL);
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egg_list_box_set_separator_funcs (panel->list_box,
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update_separator_func,
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NULL, NULL);
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g_signal_connect (panel->list_box, "child-activated",
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G_CALLBACK (select_app), panel);
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gtk_widget_set_visible (GTK_WIDGET (panel->list_box), TRUE);
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build_app_store (panel);
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w = GTK_WIDGET (gtk_builder_get_object (panel->builder,
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"ccnotify-main-grid"));
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gtk_widget_reparent (w, GTK_WIDGET (panel));
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gtk_widget_show (w);
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}
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static const char *
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cc_notifications_panel_get_help_uri (CcPanel *panel)
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{
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/* TODO */
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return NULL;
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}
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static void
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cc_notifications_panel_class_init (CcNotificationsPanelClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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CcPanelClass *panel_class = CC_PANEL_CLASS (klass);
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panel_class->get_help_uri = cc_notifications_panel_get_help_uri;
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/* Separate dispose() and finalize() functions are necessary
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* to make sure we cancel the running thread before the panel
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* gets finalized */
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object_class->dispose = cc_notifications_panel_dispose;
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object_class->finalize = cc_notifications_panel_finalize;
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}
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static inline GQuark
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application_quark (void)
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{
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static GQuark quark;
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if (G_UNLIKELY (quark == 0))
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quark = g_quark_from_static_string ("cc-application");
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return quark;
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}
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static gboolean
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on_off_label_mapping_get (GValue *value,
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GVariant *variant,
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gpointer user_data)
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{
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g_value_set_string (value, g_variant_get_boolean (variant) ? _("On") : _("Off"));
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return TRUE;
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}
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static void
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add_application (CcNotificationsPanel *panel,
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Application *app)
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{
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GtkWidget *box, *w;
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GIcon *icon;
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icon = g_app_info_get_icon (app->app_info);
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if (icon == NULL)
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icon = g_themed_icon_new ("application-x-executable");
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else
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g_object_ref (icon);
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box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
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g_object_set_qdata_full (G_OBJECT (box), application_quark (),
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app, (GDestroyNotify) application_free);
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gtk_container_add (GTK_CONTAINER (panel->list_box), box);
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w = gtk_image_new_from_gicon (icon, GTK_ICON_SIZE_DIALOG);
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gtk_container_add (GTK_CONTAINER (box), w);
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g_object_unref (icon);
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w = gtk_label_new (g_app_info_get_name (app->app_info));
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gtk_container_add (GTK_CONTAINER (box), w);
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w = gtk_label_new ("");
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g_settings_bind_with_mapping (app->settings, "enable",
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w, "label",
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G_SETTINGS_BIND_GET |
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G_SETTINGS_BIND_NO_SENSITIVITY,
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on_off_label_mapping_get,
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NULL,
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NULL,
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NULL);
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gtk_widget_set_margin_right (w, 24);
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gtk_widget_set_valign (w, GTK_ALIGN_CENTER);
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gtk_box_pack_end (GTK_BOX (box), w, FALSE, FALSE, 0);
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gtk_widget_show_all (box);
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g_hash_table_add (panel->known_applications, g_strdup (app->canonical_app_id));
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}
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static void
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maybe_add_app_id (CcNotificationsPanel *panel,
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const char *canonical_app_id)
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{
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Application *app;
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gchar *path;
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gchar *full_app_id;
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GSettings *settings;
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GAppInfo *app_info;
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if (g_hash_table_contains (panel->known_applications,
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canonical_app_id))
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return;
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path = g_strconcat (APP_PREFIX, canonical_app_id, "/", NULL);
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settings = g_settings_new_with_path (APP_SCHEMA, path);
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full_app_id = g_settings_get_string (settings, "application-id");
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app_info = G_APP_INFO (g_desktop_app_info_new (full_app_id));
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app = g_slice_new (Application);
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app->canonical_app_id = g_strdup (canonical_app_id);
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app->settings = settings;
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app->app_info = app_info;
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add_application (panel, app);
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g_free (path);
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}
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static gboolean
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queued_app_info (gpointer data)
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{
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Application *app;
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CcNotificationsPanel *panel;
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app = data;
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panel = app->panel;
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app->panel = NULL;
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if (g_cancellable_is_cancelled (panel->apps_load_cancellable) ||
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g_hash_table_contains (panel->known_applications,
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app->canonical_app_id))
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{
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application_free (app);
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g_object_unref (panel);
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return FALSE;
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}
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g_debug ("Processing queued application %s", app->canonical_app_id);
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add_application (panel, app);
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g_object_unref (panel);
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return FALSE;
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}
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static char *
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app_info_get_id (GAppInfo *app_info)
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{
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const char *desktop_id;
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char *ret;
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const char *filename;
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int l;
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desktop_id = g_app_info_get_id (app_info);
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if (desktop_id != NULL)
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{
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ret = g_strdup (desktop_id);
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}
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else
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{
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filename = g_desktop_app_info_get_filename (G_DESKTOP_APP_INFO (app_info));
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ret = g_path_get_basename (filename);
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}
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if (G_UNLIKELY (g_str_has_suffix (ret, ".desktop") == FALSE))
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{
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g_free (ret);
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return NULL;
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}
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l = strlen (desktop_id);
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*(ret + l - strlen(".desktop")) = '\0';
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return ret;
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}
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static void
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process_app_info (CcNotificationsPanel *panel,
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GTask *task,
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GAppInfo *app_info)
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{
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Application *app;
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char *app_id;
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char *canonical_app_id;
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char *path;
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GSettings *settings;
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GSource *source;
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app_id = app_info_get_id (app_info);
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canonical_app_id = g_strcanon (app_id,
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"0123456789"
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"abcdefghijklmnopqrstuvwxyz"
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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"-",
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'-');
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path = g_strconcat (APP_PREFIX, canonical_app_id, "/", NULL);
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settings = g_settings_new_with_path (APP_SCHEMA, path);
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app = g_slice_new (Application);
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app->canonical_app_id = canonical_app_id;
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app->settings = settings;
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app->app_info = g_object_ref (app_info);
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app->panel = g_object_ref (panel);
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source = g_idle_source_new ();
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g_source_set_callback (source, queued_app_info, app, NULL);
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g_source_attach (source, g_task_get_context (task));
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g_free (path);
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}
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static void
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load_apps_thread (GTask *task,
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gpointer panel,
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gpointer task_data,
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GCancellable *cancellable)
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{
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GList *iter, *apps;
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apps = g_app_info_get_all ();
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for (iter = apps; iter && !g_cancellable_is_cancelled (cancellable); iter = iter->next)
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{
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GDesktopAppInfo *app;
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app = iter->data;
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if (g_desktop_app_info_get_boolean (app, "X-GNOME-UsesNotifications"))
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process_app_info (panel, task, G_APP_INFO (app));
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}
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g_list_free_full (apps, g_object_unref);
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}
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static void
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load_apps_async (CcNotificationsPanel *panel)
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{
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GTask *task;
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panel->apps_load_cancellable = g_cancellable_new ();
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task = g_task_new (panel, panel->apps_load_cancellable, NULL, NULL);
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g_task_run_in_thread (task, load_apps_thread);
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g_object_unref (task);
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}
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static void
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children_changed (GSettings *settings,
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const char *key,
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CcNotificationsPanel *panel)
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{
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int i;
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const gchar **new_app_ids;
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g_settings_get (panel->master_settings,
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"application-children",
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"^a&s", &new_app_ids);
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for (i = 0; new_app_ids[i]; i++)
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maybe_add_app_id (panel, new_app_ids[i]);
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g_free (new_app_ids);
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}
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static void
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build_app_store (CcNotificationsPanel *panel)
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{
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/* Build application entries for known applications */
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children_changed (panel->master_settings, NULL, panel);
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g_signal_connect (panel->master_settings, "changed::application-children",
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G_CALLBACK (children_changed), panel);
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/* Scan applications that statically declare to show notifications */
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load_apps_async (panel);
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}
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static void
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select_app (EggListBox *list_box,
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GtkWidget *child,
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CcNotificationsPanel *panel)
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{
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Application *app;
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app = g_object_get_qdata (G_OBJECT (child), application_quark ());
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cc_build_edit_dialog (panel, app->app_info, app->settings);
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}
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static void
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application_free (Application *app)
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{
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g_free (app->canonical_app_id);
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g_object_unref (app->app_info);
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g_object_unref (app->settings);
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g_slice_free (Application, app);
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}
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static int
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sort_apps (gconstpointer one,
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gconstpointer two,
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gpointer user_data)
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{
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Application *a1, *a2;
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a1 = g_object_get_qdata (G_OBJECT (one), application_quark ());
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a2 = g_object_get_qdata (G_OBJECT (two), application_quark ());
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return g_utf8_collate (g_app_info_get_name (a1->app_info),
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g_app_info_get_name (a2->app_info));
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}
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