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                 g_error_free (err);
  65
  66                 return FALSE;
  67         }
  68
  69         driver_proxy = dbus_g_proxy_new_for_name (connection,
  70                                                   DBUS_SERVICE_DBUS,
  71                                                   DBUS_PATH_DBUS,
  72                                                   DBUS_INTERFACE_DBUS);
  73
  74         if (!org_freedesktop_DBus_request_name (driver_proxy,
  75                                                 APPLICATION_SERVICE_NAME,
  76                                                 0, &request_name_result, &err)) {
  77                 g_warning ("Service registration failed.");
  78                 g_clear_error (&err);
  79         }
  80
  81         if (request_name_result == DBUS_REQUEST_NAME_REPLY_EXISTS) {
  82                 return FALSE;
  83         }
  84
  85 #if DBUS_VERSION == 33
  86         dbus_g_object_class_install_info (G_OBJECT_GET_CLASS (application),
  87                                           &dbus_glib_ev_application_object_info);
  88 #else
  89         dbus_g_object_type_install_info (EV_TYPE_APPLICATION,
  90                                          &dbus_glib_ev_application_object_info);
  91 #endif
  92
  93         dbus_g_connection_register_g_object (connection,
  94                                              "/org/gnome/evince/Evince",
  95                                              G_OBJECT (application));
  96
  97         return TRUE;
  98 }
  99 #endif /* ENABLE_DBUS */
 100
 101 EvApplication *
 102 ev_application_get_instance (void)
 103 {
 104         static EvApplication *instance;
 105
 106         if (!instance) {
 107                 instance = EV_APPLICATION (g_object_new (EV_TYPE_APPLICATION, NULL));
 108         }
 109
 110         return instance;
 111 }
 112
 113 gboolean
 114 ev_application_open_window (EvApplication  *application,
 115                             GError        **error)
 116 {
 117         gtk_widget_show (ev_window_new ());
 118
 119         return TRUE;
 120 }
 121
 122 static EvWindow *
 123 ev_application_get_empty_window (EvApplication *application)
 124 {
 125         EvWindow *empty_window = NULL;
 126         GList *windows = gtk_window_list_toplevels ();
 127         GList *l;
 128
 129         for (l = windows; l != NULL; l = l->next) {
 130                 if (EV_IS_WINDOW (l->data)) {
 131                         EvWindow *window = EV_WINDOW (l->data);
 132
 133                         if (ev_window_is_empty (window)) {
 134                                 empty_window = window;
 135                                 break;
 136                         }
 137                 }
 138         }
 139
 140         g_list_free (windows);
 141
 142         return empty_window;
 143 }
 144
 145 static EvWindow *
 146 ev_application_get_uri_window (EvApplication *application, const char *uri)
 147 {
 148         EvWindow *uri_window = NULL;
 149         GList *windows = gtk_window_list_toplevels ();
 150         GList *l;
 151
 152         g_return_val_if_fail (uri != NULL, NULL);
 153
 154         for (l = windows; l != NULL; l = l->next) {
 155                 if (EV_IS_WINDOW (l->data)) {
 156                         EvWindow *window = EV_WINDOW (l->data);
 157                         const char *window_uri = ev_window_get_uri (window);
 158
 159                         if (window_uri && strcmp (window_uri, uri) == 0) {
 160                                 uri_window = window;
 161                                 break;
 162                         }
 163                 }
 164         }
 165
 166         g_list_free (windows);
 167
 168         return uri_window;
 169 }
 170
 171 gboolean
 172 ev_application_open_uri (EvApplication  *application,
 173                          const char     *uri,
 174                          const char     *page_label,
 175                          GError        **error)
 176 {
 177         EvWindow *new_window;
 178
 179         g_return_val_if_fail (uri != NULL, FALSE);
 180
 181         new_window = ev_application_get_uri_window (application, uri);
 182         if (new_window != NULL) {
 183                 gtk_window_present (GTK_WINDOW (new_window));
 184
 185                 return TRUE;
 186         }
 187
 188         new_window = ev_application_get_empty_window (application);
 189
 190         if (new_window == NULL) {
 191                 new_window = EV_WINDOW (ev_window_new ());
 192         }
 193
 194         ev_window_open_uri (new_window, uri);
 195
 196         gtk_window_present (GTK_WINDOW (new_window));
 197
 198         if (page_label != NULL) {
 199                 ev_window_open_page_label (new_window, page_label);
 200         }
 201
 202         return TRUE;
 203 }
 204
 205 void
 206 ev_application_open_uri_list (EvApplication *application, GSList *uri_list)
 207 {
 208         GSList *l;
 209
 210         for (l = uri_list; l != NULL; l = l->next) {
 211                 ev_application_open_uri (application, (char *)l->data, NULL, NULL);
 212         }
 213 }
 214
 215 void
 216 ev_application_shutdown (EvApplication *application)
 217 {
 218         g_object_unref (application);
 219         gtk_main_quit ();
 220 }
 221
 222 static void
 223 ev_application_class_init (EvApplicationClass *ev_application_class)
 224 {
 225 }
 226
 227 static void
 228 ev_application_init (EvApplication *ev_application)
 229 {
 230 }
 231