shell/ev-application.c

   1 /* this file is part of evince, a gnome document viewer
   2  *
   3  *  Copyright (C) 2004 Martin Kretzschmar
   4  *
   5  *  Author:
   6  *    Martin Kretzschmar <martink@gnome.org>
   7  *
   8  * Evince is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * Evince is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  21  */
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include "config.h"
  25 #endif
  26
  27 #include "ev-application.h"
  28 #include "ev-utils.h"
  29 #include "ev-document-types.h"
  30
  31 #include <glib.h>
  32 #include <glib/gi18n.h>
  33 #include <glib-object.h>
  34 #include <gtk/gtkfilechooserdialog.h>
  35 #include <gtk/gtkstock.h>
  36 #include <gtk/gtkwidget.h>
  37 #include <gtk/gtkmain.h>
  38 #include <string.h>
  39
  40 #ifdef ENABLE_DBUS
  41 #include "ev-application-service.h"
  42 #include <dbus/dbus-glib-bindings.h>
  43 #endif
  44
  45 G_DEFINE_TYPE (EvApplication, ev_application, G_TYPE_OBJECT);
  46
  47 #define EV_APPLICATION_GET_PRIVATE(object) \
  48         (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_APPLICATION, EvApplicationPrivate))
  49
  50 #define APPLICATION_SERVICE_NAME "org.gnome.evince.ApplicationService"
  51
  52 #ifdef ENABLE_DBUS
  53 gboolean
  54 ev_application_register_service (EvApplication *application)
  55 {
  56         DBusGConnection *connection;
  57         DBusGProxy *driver_proxy;
  58         GError *err = NULL;
  59         guint request_name_result;
  60
  61         connection = dbus_g_bus_get (DBUS_BUS_STARTER, &err);
  62         if (connection == NULL) {
  63                 g_warning ("Service registration failed.");
  64         }
  65
  66         driver_proxy = dbus_g_proxy_new_for_name (connection,
  67                                                   DBUS_SERVICE_DBUS,
  68                                                   DBUS_PATH_DBUS,
  69                                                   DBUS_INTERFACE_DBUS);
  70
  71         if (!org_freedesktop_DBus_request_name (driver_proxy,
  72                                                 APPLICATION_SERVICE_NAME,
  73                                                 0, &request_name_result, &err))
  74         {
  75                 g_warning ("Service registration failed.");
  76         }
  77
  78         if (request_name_result == DBUS_REQUEST_NAME_REPLY_EXISTS) {
  79                 return FALSE;
  80         }
  81
  82         dbus_g_object_class_install_info (G_OBJECT_GET_CLASS (application),
  83                                           &dbus_glib_ev_application_object_info);
  84         dbus_g_connection_register_g_object (connection,
  85                                              "/org/gnome/evince/Evince",
  86                                              G_OBJECT (application));
  87
  88         return TRUE;
  89 }
  90 #endif
  91
  92 EvApplication *
  93 ev_application_get_instance (void)
  94 {
  95         static EvApplication *instance;
  96
  97         if (!instance) {
  98                 instance = EV_APPLICATION (g_object_new (EV_TYPE_APPLICATION, NULL));
  99         }
 100
 101         return instance;
 102 }
 103
 104 void
 105 ev_application_open_window (EvApplication *application)
 106 {
 107         gtk_widget_show (ev_window_new ());
 108 }
 109
 110 static EvWindow *
 111 ev_application_get_empty_window (EvApplication *application)
 112 {
 113         EvWindow *empty_window = NULL;
 114         GList *windows = gtk_window_list_toplevels ();
 115         GList *l;
 116
 117         for (l = windows; l != NULL; l = l->next) {
 118                 if (EV_IS_WINDOW (l->data)) {
 119                         EvWindow *window = EV_WINDOW (l->data);
 120
 121                         if (ev_window_is_empty (window)) {
 122                                 empty_window = window;
 123                                 break;
 124                         }
 125                 }
 126         }
 127
 128         g_list_free (windows);
 129
 130         return empty_window;
 131 }
 132
 133 static EvWindow *
 134 ev_application_get_uri_window (EvApplication *application, const char *uri)
 135 {
 136         EvWindow *uri_window = NULL;
 137         GList *windows = gtk_window_list_toplevels ();
 138         GList *l;
 139
 140         g_return_val_if_fail (uri != NULL, NULL);
 141
 142         for (l = windows; l != NULL; l = l->next) {
 143                 if (EV_IS_WINDOW (l->data)) {
 144                         EvWindow *window = EV_WINDOW (l->data);
 145                         const char *window_uri = ev_window_get_uri (window);
 146
 147                         if (window_uri && strcmp (window_uri, uri) == 0) {
 148                                 uri_window = window;
 149                                 break;
 150                         }
 151                 }
 152         }
 153
 154         g_list_free (windows);
 155
 156         return uri_window;
 157 }
 158
 159 void
 160 ev_application_open_uri (EvApplication *application,
 161                          const char    *uri,
 162                          const char    *page_label)
 163 {
 164         EvWindow *new_window;
 165
 166         g_return_if_fail (uri != NULL);
 167
 168         new_window = ev_application_get_uri_window (application, uri);
 169         if (new_window != NULL) {
 170                 gtk_window_present (GTK_WINDOW (new_window));
 171                 return;
 172         }
 173
 174         new_window = ev_application_get_empty_window (application);
 175
 176         if (new_window == NULL) {
 177                 new_window = EV_WINDOW (ev_window_new ());
 178         }
 179
 180         ev_window_open_uri (new_window, uri);
 181
 182         gtk_window_present (GTK_WINDOW (new_window));
 183
 184         if (page_label != NULL) {
 185                 ev_window_open_page_label (new_window, page_label);
 186         }
 187 }
 188
 189 void
 190 ev_application_open_uri_list (EvApplication *application, GSList *uri_list)
 191 {
 192         GSList *l;
 193
 194         for (l = uri_list; l != NULL; l = l->next) {
 195                 ev_application_open_uri (application, (char *)l->data, NULL);
 196         }
 197 }
 198
 199 void
 200 ev_application_shutdown (EvApplication *application)
 201 {
 202         g_object_unref (application);
 203         gtk_main_quit ();
 204 }
 205
 206 static void
 207 ev_application_class_init (EvApplicationClass *ev_application_class)
 208 {
 209 }
 210
 211 static void
 212 ev_application_init (EvApplication *ev_application)
 213 {
 214 }
 215