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 #include "ev-file-helpers.h"
  31
  32 #include <glib.h>
  33 #include <glib/gi18n.h>
  34 #include <glib-object.h>
  35 #include <gtk/gtkfilechooserdialog.h>
  36 #include <gtk/gtkstock.h>
  37 #include <gtk/gtkwidget.h>
  38 #include <gtk/gtkmain.h>
  39 #include <string.h>
  40
  41 #ifdef ENABLE_DBUS
  42 #include "ev-application-service.h"
  43 #include <dbus/dbus-glib-bindings.h>
  44 #endif
  45
  46 G_DEFINE_TYPE (EvApplication, ev_application, G_TYPE_OBJECT);
  47
  48 #define EV_APPLICATION_GET_PRIVATE(object) \
  49         (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_APPLICATION, EvApplicationPrivate))
  50
  51 #define APPLICATION_SERVICE_NAME "org.gnome.evince.ApplicationService"
  52
  53 #ifdef ENABLE_DBUS
  54 gboolean
  55 ev_application_register_service (EvApplication *application)
  56 {
  57         DBusGConnection *connection;
  58         DBusGProxy *driver_proxy;
  59         GError *err = NULL;
  60         guint request_name_result;
  61
  62         connection = dbus_g_bus_get (DBUS_BUS_STARTER, &err);
  63         if (connection == NULL) {
  64                 g_warning ("Service registration failed.");
  65                 g_error_free (err);
  66
  67                 return FALSE;
  68         }
  69
  70         driver_proxy = dbus_g_proxy_new_for_name (connection,
  71                                                   DBUS_SERVICE_DBUS,
  72                                                   DBUS_PATH_DBUS,
  73                                                   DBUS_INTERFACE_DBUS);
  74
  75         if (!org_freedesktop_DBus_request_name (driver_proxy,
  76                                                 APPLICATION_SERVICE_NAME,
  77                                                 0, &request_name_result, &err)) {
  78                 g_warning ("Service registration failed.");
  79                 g_clear_error (&err);
  80         }
  81
  82         if (request_name_result == DBUS_REQUEST_NAME_REPLY_EXISTS) {
  83                 return FALSE;
  84         }
  85
  86 #if DBUS_VERSION == 33
  87         dbus_g_object_class_install_info (G_OBJECT_GET_CLASS (application),
  88                                           &dbus_glib_ev_application_object_info);
  89 #else
  90         dbus_g_object_type_install_info (EV_TYPE_APPLICATION,
  91                                          &dbus_glib_ev_application_object_info);
  92 #endif
  93
  94         dbus_g_connection_register_g_object (connection,
  95                                              "/org/gnome/evince/Evince",
  96                                              G_OBJECT (application));
  97
  98         return TRUE;
  99 }
 100 #endif /* ENABLE_DBUS */
 101
 102 EvApplication *
 103 ev_application_get_instance (void)
 104 {
 105         static EvApplication *instance;
 106
 107         if (!instance) {
 108                 instance = EV_APPLICATION (g_object_new (EV_TYPE_APPLICATION, NULL));
 109         }
 110
 111         return instance;
 112 }
 113
 114 gboolean
 115 ev_application_open_window (EvApplication  *application,
 116                             guint32         timestamp,
 117                             GError        **error)
 118 {
 119         GtkWidget *new_window = ev_window_new ();
 120
 121         gtk_widget_show (new_window);
 122
 123 #ifdef HAVE_GTK_WINDOW_PRESENT_WITH_TIME
 124         gtk_window_present_with_time (GTK_WINDOW (new_window),
 125                                       timestamp);
 126 #else
 127         gtk_window_present (GTK_WINDOW (new_window));
 128 #endif
 129
 130         return TRUE;
 131 }
 132
 133 static EvWindow *
 134 ev_application_get_empty_window (EvApplication *application)
 135 {
 136         EvWindow *empty_window = NULL;
 137         GList *windows = gtk_window_list_toplevels ();
 138         GList *l;
 139
 140         for (l = windows; l != NULL; l = l->next) {
 141                 if (EV_IS_WINDOW (l->data)) {
 142                         EvWindow *window = EV_WINDOW (l->data);
 143
 144                         if (ev_window_is_empty (window)) {
 145                                 empty_window = window;
 146                                 break;
 147                         }
 148                 }
 149         }
 150
 151         g_list_free (windows);
 152
 153         return empty_window;
 154 }
 155
 156 static EvWindow *
 157 ev_application_get_uri_window (EvApplication *application, const char *uri)
 158 {
 159         EvWindow *uri_window = NULL;
 160         GList *windows = gtk_window_list_toplevels ();
 161         GList *l;
 162
 163         g_return_val_if_fail (uri != NULL, NULL);
 164
 165         for (l = windows; l != NULL; l = l->next) {
 166                 if (EV_IS_WINDOW (l->data)) {
 167                         EvWindow *window = EV_WINDOW (l->data);
 168                         const char *window_uri = ev_window_get_uri (window);
 169
 170                         if (window_uri && strcmp (window_uri, uri) == 0) {
 171                                 uri_window = window;
 172                                 break;
 173                         }
 174                 }
 175         }
 176
 177         g_list_free (windows);
 178
 179         return uri_window;
 180 }
 181
 182 gboolean
 183 ev_application_open_uri (EvApplication  *application,
 184                          const char     *uri,
 185                          const char     *page_label,
 186                          guint           timestamp,
 187                          GError        **error)
 188 {
 189         EvWindow *new_window;
 190
 191         g_return_val_if_fail (uri != NULL, FALSE);
 192
 193         new_window = ev_application_get_uri_window (application, uri);
 194         if (new_window != NULL) {
 195 #ifdef HAVE_GTK_WINDOW_PRESENT_WITH_TIME
 196                 gtk_window_present_with_time (GTK_WINDOW (new_window),
 197                                               timestamp);
 198 #else
 199                 gtk_window_present (GTK_WINDOW (new_window));
 200 #endif
 201                 return TRUE;
 202         }
 203
 204         new_window = ev_application_get_empty_window (application);
 205
 206         if (new_window == NULL) {
 207                 new_window = EV_WINDOW (ev_window_new ());
 208         }
 209
 210         /* We need to load uri before showing the window, so
 211            we can restore window size without flickering */
 212         ev_window_open_uri (new_window, uri);
 213
 214         gtk_widget_show (GTK_WIDGET (new_window));
 215
 216 #ifdef HAVE_GTK_WINDOW_PRESENT_WITH_TIME
 217         gtk_window_present_with_time (GTK_WINDOW (new_window),
 218                                       timestamp);
 219 #else
 220         gtk_window_present (GTK_WINDOW (new_window));
 221 #endif
 222
 223         if (page_label != NULL) {
 224                 ev_window_open_page_label (new_window, page_label);
 225         }
 226
 227         return TRUE;
 228 }
 229
 230 void
 231 ev_application_open_uri_list (EvApplication *application,
 232                               GSList        *uri_list,
 233                               guint          timestamp)
 234 {
 235         GSList *l;
 236
 237         for (l = uri_list; l != NULL; l = l->next) {
 238                 ev_application_open_uri (application, (char *)l->data,
 239                                          NULL,
 240                                          timestamp,
 241                                          NULL);
 242         }
 243 }
 244
 245 void
 246 ev_application_shutdown (EvApplication *application)
 247 {
 248         if (application->toolbars_model) {
 249                 g_object_unref (application->toolbars_model);
 250                 g_free (application->toolbars_file);
 251                 application->toolbars_model = NULL;
 252                 application->toolbars_file = NULL;
 253         }
 254
 255         if (application->recent_model) {
 256                 g_object_unref (application->recent_model);
 257                 application->recent_model = NULL;
 258         }
 259
 260         g_object_unref (application);
 261         gtk_main_quit ();
 262 }
 263
 264 static void
 265 ev_application_class_init (EvApplicationClass *ev_application_class)
 266 {
 267 }
 268
 269 static void
 270 ev_application_init (EvApplication *ev_application)
 271 {
 272         ev_application->toolbars_model = egg_toolbars_model_new ();
 273
 274         ev_application->toolbars_file = g_build_filename
 275                         (ev_dot_dir (), "evince_toolbar.xml", NULL);
 276
 277         if (!egg_toolbars_model_load (ev_application->toolbars_model,
 278                                       ev_application->toolbars_file)) {
 279                 egg_toolbars_model_load (ev_application->toolbars_model,
 280                                          DATADIR"/evince-toolbar.xml");
 281         }
 282
 283         egg_toolbars_model_set_flags (ev_application->toolbars_model, 0,
 284                                       EGG_TB_MODEL_NOT_REMOVABLE);
 285
 286         ev_application->recent_model = egg_recent_model_new (EGG_RECENT_MODEL_SORT_MRU);
 287         /* FIXME we should add a mime type filter but current eggrecent
 288            has only a varargs style api which does not work well when
 289            the list of mime types is dynamic */
 290         egg_recent_model_set_limit (ev_application->recent_model, 5);
 291         egg_recent_model_set_filter_groups (ev_application->recent_model,
 292                                             "Evince", NULL);
 293 }
 294
 295 EggToolbarsModel *ev_application_get_toolbars_model (EvApplication *application)
 296 {
 297         return application->toolbars_model;
 298 }
 299
 300 EggRecentModel *ev_application_get_recent_model (EvApplication *application)
 301 {
 302         return application->recent_model;
 303 }
 304
 305 void ev_application_save_toolbars_model (EvApplication *application)
 306 {
 307         egg_toolbars_model_save (application->toolbars_model,
 308                                  application->toolbars_file, "1.0");
 309 }
 310
 311