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 <libgnomeui/gnome-client.h>
  40 #include <string.h>
  41
  42 #ifdef ENABLE_DBUS
  43 #include "ev-application-service.h"
  44 #include <dbus/dbus-glib-bindings.h>
  45 #endif
  46
  47 G_DEFINE_TYPE (EvApplication, ev_application, G_TYPE_OBJECT);
  48
  49 #define EV_APPLICATION_GET_PRIVATE(object) \
  50         (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_APPLICATION, EvApplicationPrivate))
  51
  52 #define APPLICATION_SERVICE_NAME "org.gnome.evince.ApplicationService"
  53
  54 #ifdef ENABLE_DBUS
  55 gboolean
  56 ev_application_register_service (EvApplication *application)
  57 {
  58         DBusGConnection *connection;
  59         DBusGProxy *driver_proxy;
  60         GError *err = NULL;
  61         guint request_name_result;
  62
  63         connection = dbus_g_bus_get (DBUS_BUS_STARTER, &err);
  64         if (connection == NULL) {
  65                 g_warning ("Service registration failed.");
  66                 g_error_free (err);
  67
  68                 return FALSE;
  69         }
  70
  71         driver_proxy = dbus_g_proxy_new_for_name (connection,
  72                                                   DBUS_SERVICE_DBUS,
  73                                                   DBUS_PATH_DBUS,
  74                                                   DBUS_INTERFACE_DBUS);
  75
  76         if (!org_freedesktop_DBus_request_name (driver_proxy,
  77                                                 APPLICATION_SERVICE_NAME,
  78                                                 0, &request_name_result, &err)) {
  79                 g_warning ("Service registration failed.");
  80                 g_clear_error (&err);
  81         }
  82
  83         if (request_name_result == DBUS_REQUEST_NAME_REPLY_EXISTS) {
  84                 return FALSE;
  85         }
  86
  87 #if DBUS_VERSION == 33
  88         dbus_g_object_class_install_info (G_OBJECT_GET_CLASS (application),
  89                                           &dbus_glib_ev_application_object_info);
  90 #else
  91         dbus_g_object_type_install_info (EV_TYPE_APPLICATION,
  92                                          &dbus_glib_ev_application_object_info);
  93 #endif
  94 #ifdef ENABLE_COMICS
  95         GtkFileFilter *comics_filter;
  96 #endif
  97
  98         dbus_g_connection_register_g_object (connection,
  99                                              "/org/gnome/evince/Evince",
 100                                              G_OBJECT (application));
 101
 102         return TRUE;
 103 }
 104 #endif /* ENABLE_DBUS */
 105
 106 EvApplication *
 107 ev_application_get_instance (void)
 108 {
 109         static EvApplication *instance;
 110
 111         if (!instance) {
 112                 instance = EV_APPLICATION (g_object_new (EV_TYPE_APPLICATION, NULL));
 113         }
 114
 115         return instance;
 116 }
 117
 118 static void
 119 removed_from_session (GnomeClient *client, EvApplication *application)
 120 {
 121         ev_application_shutdown (application);
 122 }
 123
 124 static gint
 125 save_session (GnomeClient *client, gint phase, GnomeSaveStyle save_style, gint shutdown,
 126               GnomeInteractStyle interact_style, gint fast, EvApplication *application)
 127 {
 128         GList *windows, *l;
 129         char **restart_argv;
 130         int argc = 0, k;
 131
 132         windows = ev_application_get_windows (application);
 133         restart_argv = g_new (char *, g_list_length (windows) + 1);
 134         restart_argv[argc++] = g_strdup ("evince");
 135
 136         for (l = windows; l != NULL; l = l->next) {
 137                 EvWindow *window = EV_WINDOW (l->data);
 138                 restart_argv[argc++] = g_strdup (ev_window_get_uri (window));
 139         }
 140
 141         gnome_client_set_restart_command (client, argc, restart_argv);
 142
 143         for (k = 0; k < argc; k++) {
 144                 g_free (restart_argv[k]);
 145         }
 146
 147         g_list_free (windows);
 148         g_free (restart_argv);
 149
 150         return TRUE;
 151 }
 152
 153 static void
 154 init_session (EvApplication *application)
 155 {
 156         GnomeClient *client;
 157
 158         client = gnome_master_client ();
 159
 160         g_signal_connect (client, "save_yourself",
 161                           G_CALLBACK (save_session), application);
 162         g_signal_connect (client, "die",
 163                           G_CALLBACK (removed_from_session), application);
 164 }
 165
 166 gboolean
 167 ev_application_open_window (EvApplication  *application,
 168                             guint32         timestamp,
 169                             GError        **error)
 170 {
 171         GtkWidget *new_window = ev_window_new ();
 172
 173         gtk_widget_show (new_window);
 174
 175 #ifdef HAVE_GTK_WINDOW_PRESENT_WITH_TIME
 176         gtk_window_present_with_time (GTK_WINDOW (new_window),
 177                                       timestamp);
 178 #else
 179         gtk_window_present (GTK_WINDOW (new_window));
 180 #endif
 181
 182         return TRUE;
 183 }
 184
 185 static EvWindow *
 186 ev_application_get_empty_window (EvApplication *application)
 187 {
 188         EvWindow *empty_window = NULL;
 189         GList *windows = ev_application_get_windows (application);
 190         GList *l;
 191
 192         for (l = windows; l != NULL; l = l->next) {
 193                 EvWindow *window = EV_WINDOW (l->data);
 194
 195                 if (ev_window_is_empty (window)) {
 196                         empty_window = window;
 197                         break;
 198                 }
 199         }
 200
 201         g_list_free (windows);
 202
 203         return empty_window;
 204 }
 205
 206 static EvWindow *
 207 ev_application_get_uri_window (EvApplication *application, const char *uri)
 208 {
 209         EvWindow *uri_window = NULL;
 210         GList *windows = gtk_window_list_toplevels ();
 211         GList *l;
 212
 213         g_return_val_if_fail (uri != NULL, NULL);
 214
 215         for (l = windows; l != NULL; l = l->next) {
 216                 if (EV_IS_WINDOW (l->data)) {
 217                         EvWindow *window = EV_WINDOW (l->data);
 218                         const char *window_uri = ev_window_get_uri (window);
 219
 220                         if (window_uri && strcmp (window_uri, uri) == 0) {
 221                                 uri_window = window;
 222                                 break;
 223                         }
 224                 }
 225         }
 226
 227         g_list_free (windows);
 228
 229         return uri_window;
 230 }
 231
 232 gboolean
 233 ev_application_open_uri (EvApplication  *application,
 234                          const char     *uri,
 235                          const char     *page_label,
 236                          guint           timestamp,
 237                          GError        **error)
 238 {
 239         EvWindow *new_window;
 240
 241         g_return_val_if_fail (uri != NULL, FALSE);
 242
 243         new_window = ev_application_get_uri_window (application, uri);
 244         if (new_window != NULL) {
 245 #ifdef HAVE_GTK_WINDOW_PRESENT_WITH_TIME
 246                 gtk_window_present_with_time (GTK_WINDOW (new_window),
 247                                               timestamp);
 248 #else
 249                 gtk_window_present (GTK_WINDOW (new_window));
 250 #endif
 251                 return TRUE;
 252         }
 253
 254         new_window = ev_application_get_empty_window (application);
 255
 256         if (new_window == NULL) {
 257                 new_window = EV_WINDOW (ev_window_new ());
 258         }
 259
 260         /* We need to load uri before showing the window, so
 261            we can restore window size without flickering */
 262         ev_window_open_uri (new_window, uri);
 263
 264         gtk_widget_show (GTK_WIDGET (new_window));
 265
 266 #ifdef HAVE_GTK_WINDOW_PRESENT_WITH_TIME
 267         gtk_window_present_with_time (GTK_WINDOW (new_window),
 268                                       timestamp);
 269 #else
 270         gtk_window_present (GTK_WINDOW (new_window));
 271 #endif
 272
 273         if (page_label != NULL) {
 274                 ev_window_open_page_label (new_window, page_label);
 275         }
 276
 277         return TRUE;
 278 }
 279
 280 void
 281 ev_application_open_uri_list (EvApplication *application,
 282                               GSList        *uri_list,
 283                               guint          timestamp)
 284 {
 285         GSList *l;
 286
 287         for (l = uri_list; l != NULL; l = l->next) {
 288                 ev_application_open_uri (application, (char *)l->data,
 289                                          NULL,
 290                                          timestamp,
 291                                          NULL);
 292         }
 293 }
 294
 295 void
 296 ev_application_shutdown (EvApplication *application)
 297 {
 298         if (application->toolbars_model) {
 299                 g_object_unref (application->toolbars_model);
 300                 g_free (application->toolbars_file);
 301                 application->toolbars_model = NULL;
 302                 application->toolbars_file = NULL;
 303         }
 304
 305         if (application->recent_model) {
 306                 g_object_unref (application->recent_model);
 307                 application->recent_model = NULL;
 308         }
 309
 310         g_object_unref (application);
 311         gtk_main_quit ();
 312 }
 313
 314 static void
 315 ev_application_class_init (EvApplicationClass *ev_application_class)
 316 {
 317 }
 318
 319 static void
 320 ev_application_init (EvApplication *ev_application)
 321 {
 322         init_session (ev_application);
 323
 324         ev_application->toolbars_model = egg_toolbars_model_new ();
 325
 326         ev_application->toolbars_file = g_build_filename
 327                         (ev_dot_dir (), "evince_toolbar.xml", NULL);
 328
 329         if (!egg_toolbars_model_load (ev_application->toolbars_model,
 330                                       ev_application->toolbars_file)) {
 331                 egg_toolbars_model_load (ev_application->toolbars_model,
 332                                          DATADIR"/evince-toolbar.xml");
 333         }
 334
 335         egg_toolbars_model_set_flags (ev_application->toolbars_model, 0,
 336                                       EGG_TB_MODEL_NOT_REMOVABLE);
 337
 338         ev_application->recent_model = egg_recent_model_new (EGG_RECENT_MODEL_SORT_MRU);
 339         /* FIXME we should add a mime type filter but current eggrecent
 340            has only a varargs style api which does not work well when
 341            the list of mime types is dynamic */
 342         egg_recent_model_set_limit (ev_application->recent_model, 5);
 343         egg_recent_model_set_filter_groups (ev_application->recent_model,
 344                                             "Evince", NULL);
 345 }
 346
 347 GList *
 348 ev_application_get_windows (EvApplication *application)
 349 {
 350         GList *l, *toplevels;
 351         GList *windows = NULL;
 352
 353         toplevels = gtk_window_list_toplevels ();
 354
 355         for (l = toplevels; l != NULL; l = l->next) {
 356                 if (EV_IS_WINDOW (l->data)) {
 357                         windows = g_list_append (windows, l->data);
 358                 }
 359         }
 360
 361         g_list_free (toplevels);
 362
 363         return windows;
 364 }
 365
 366 EggToolbarsModel *ev_application_get_toolbars_model (EvApplication *application)
 367 {
 368         return application->toolbars_model;
 369 }
 370
 371 EggRecentModel *ev_application_get_recent_model (EvApplication *application)
 372 {
 373         return application->recent_model;
 374 }
 375
 376 void ev_application_save_toolbars_model (EvApplication *application)
 377 {
 378         egg_toolbars_model_save (application->toolbars_model,
 379                                  application->toolbars_file, "1.0");
 380 }
 381
 382