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-file-helpers.h"
  30 #include "ev-document-factory.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 APPLICATION_SERVICE_NAME "org.gnome.evince.ApplicationService"
  50
  51 #ifdef ENABLE_DBUS
  52 gboolean
  53 ev_application_register_service (EvApplication *application)
  54 {
  55         static DBusGConnection *connection = NULL;
  56         DBusGProxy *driver_proxy;
  57         GError *err = NULL;
  58         guint request_name_result;
  59
  60         if (connection) {
  61                 g_warning ("Service already registered.");
  62                 return FALSE;
  63         }
  64
  65         connection = dbus_g_bus_get (DBUS_BUS_STARTER, &err);
  66         if (connection == NULL) {
  67                 g_warning ("Service registration failed.");
  68                 g_error_free (err);
  69
  70                 return FALSE;
  71         }
  72
  73         driver_proxy = dbus_g_proxy_new_for_name (connection,
  74                                                   DBUS_SERVICE_DBUS,
  75                                                   DBUS_PATH_DBUS,
  76                                                   DBUS_INTERFACE_DBUS);
  77
  78 #if DBUS_VERSION >= 60
  79         if (!org_freedesktop_DBus_request_name (driver_proxy,
  80                                                 APPLICATION_SERVICE_NAME,
  81                                                 DBUS_NAME_FLAG_DO_NOT_QUEUE,
  82                                                 &request_name_result, &err)) {
  83                 g_warning ("Service registration failed.");
  84                 g_clear_error (&err);
  85         }
  86 #else
  87         if (!org_freedesktop_DBus_request_name (driver_proxy,
  88                                                 APPLICATION_SERVICE_NAME,
  89                                                 0, &request_name_result, &err)) {
  90                 g_warning ("Service registration failed.");
  91                 g_clear_error (&err);
  92         }
  93 #endif
  94
  95         g_object_unref (driver_proxy);
  96
  97         if (request_name_result == DBUS_REQUEST_NAME_REPLY_EXISTS) {
  98                 return FALSE;
  99         }
 100
 101 #if DBUS_VERSION == 33
 102         dbus_g_object_class_install_info (G_OBJECT_GET_CLASS (application),
 103                                           &dbus_glib_ev_application_object_info);
 104 #else
 105         dbus_g_object_type_install_info (EV_TYPE_APPLICATION,
 106                                          &dbus_glib_ev_application_object_info);
 107 #endif
 108
 109         dbus_g_connection_register_g_object (connection,
 110                                              "/org/gnome/evince/Evince",
 111                                              G_OBJECT (application));
 112
 113         return TRUE;
 114 }
 115 #endif /* ENABLE_DBUS */
 116
 117 EvApplication *
 118 ev_application_get_instance (void)
 119 {
 120         static EvApplication *instance;
 121
 122         if (!instance) {
 123                 instance = EV_APPLICATION (g_object_new (EV_TYPE_APPLICATION, NULL));
 124         }
 125
 126         return instance;
 127 }
 128
 129 static void
 130 removed_from_session (GnomeClient *client, EvApplication *application)
 131 {
 132         ev_application_shutdown (application);
 133 }
 134
 135 static gint
 136 save_session (GnomeClient *client, gint phase, GnomeSaveStyle save_style, gint shutdown,
 137               GnomeInteractStyle interact_style, gint fast, EvApplication *application)
 138 {
 139         GList *windows, *l;
 140         char **restart_argv;
 141         int argc = 0, k;
 142
 143         windows = ev_application_get_windows (application);
 144         restart_argv = g_new (char *, g_list_length (windows) + 1);
 145         restart_argv[argc++] = g_strdup ("evince");
 146
 147         for (l = windows; l != NULL; l = l->next) {
 148                 EvWindow *window = EV_WINDOW (l->data);
 149                 restart_argv[argc++] = g_strdup (ev_window_get_uri (window));
 150         }
 151
 152         gnome_client_set_restart_command (client, argc, restart_argv);
 153
 154         for (k = 0; k < argc; k++) {
 155                 g_free (restart_argv[k]);
 156         }
 157
 158         g_list_free (windows);
 159         g_free (restart_argv);
 160
 161         return TRUE;
 162 }
 163
 164 static void
 165 init_session (EvApplication *application)
 166 {
 167         GnomeClient *client;
 168
 169         client = gnome_master_client ();
 170
 171         g_signal_connect (client, "save_yourself",
 172                           G_CALLBACK (save_session), application);
 173         g_signal_connect (client, "die",
 174                           G_CALLBACK (removed_from_session), application);
 175 }
 176
 177 gboolean
 178 ev_application_open_window (EvApplication  *application,
 179                             guint32         timestamp,
 180                             GError        **error)
 181 {
 182         GtkWidget *new_window = ev_window_new ();
 183
 184         gtk_widget_show (new_window);
 185
 186         gtk_window_present_with_time (GTK_WINDOW (new_window),
 187                                       timestamp);
 188         return TRUE;
 189 }
 190
 191 static EvWindow *
 192 ev_application_get_empty_window (EvApplication *application)
 193 {
 194         EvWindow *empty_window = NULL;
 195         GList *windows = ev_application_get_windows (application);
 196         GList *l;
 197
 198         for (l = windows; l != NULL; l = l->next) {
 199                 EvWindow *window = EV_WINDOW (l->data);
 200
 201                 if (ev_window_is_empty (window)) {
 202                         empty_window = window;
 203                         break;
 204                 }
 205         }
 206
 207         g_list_free (windows);
 208
 209         return empty_window;
 210 }
 211
 212 static EvWindow *
 213 ev_application_get_uri_window (EvApplication *application, const char *uri)
 214 {
 215         EvWindow *uri_window = NULL;
 216         GList *windows = gtk_window_list_toplevels ();
 217         GList *l;
 218
 219         g_return_val_if_fail (uri != NULL, NULL);
 220
 221         for (l = windows; l != NULL; l = l->next) {
 222                 if (EV_IS_WINDOW (l->data)) {
 223                         EvWindow *window = EV_WINDOW (l->data);
 224                         const char *window_uri = ev_window_get_uri (window);
 225
 226                         if (window_uri && strcmp (window_uri, uri) == 0 && !ev_window_is_empty (window)) {
 227                                 uri_window = window;
 228                                 break;
 229                         }
 230                 }
 231         }
 232
 233         g_list_free (windows);
 234
 235         return uri_window;
 236 }
 237
 238 void
 239 ev_application_open_uri_at_dest (EvApplication  *application,
 240                                  const char     *uri,
 241                                  EvLinkDest     *dest,
 242                                  guint           timestamp)
 243 {
 244         EvWindow *new_window;
 245
 246         g_return_if_fail (uri != NULL);
 247
 248         new_window = ev_application_get_uri_window (application, uri);
 249         if (new_window != NULL) {
 250                 gtk_window_present_with_time (GTK_WINDOW (new_window),
 251                                               timestamp);
 252                 if (dest)
 253                         ev_window_goto_dest (new_window, dest);
 254
 255                 return;
 256         }
 257
 258         new_window = ev_application_get_empty_window (application);
 259
 260         if (new_window == NULL) {
 261                 new_window = EV_WINDOW (ev_window_new ());
 262         }
 263
 264         /* We need to load uri before showing the window, so
 265            we can restore window size without flickering */
 266         ev_window_open_uri (new_window, uri, dest);
 267
 268         gtk_widget_show (GTK_WIDGET (new_window));
 269
 270         gtk_window_present_with_time (GTK_WINDOW (new_window),
 271                                       timestamp);
 272 }
 273
 274 gboolean
 275 ev_application_open_uri (EvApplication  *application,
 276                          const char     *uri,
 277                          const char     *page_label,
 278                          guint           timestamp,
 279                          GError        **error)
 280 {
 281
 282         if (page_label && strcmp (page_label, "") != 0) {
 283                 EvLinkDest *dest;
 284
 285                 dest = ev_link_dest_new_page_label (page_label);
 286
 287                 ev_application_open_uri_at_dest (application, uri, dest, timestamp);
 288                 g_object_unref (dest);
 289         } else {
 290                 ev_application_open_uri_at_dest (application, uri, NULL, timestamp);
 291         }
 292
 293         return TRUE;
 294 }
 295
 296 void
 297 ev_application_open_uri_list (EvApplication *application,
 298                               GSList        *uri_list,
 299                               guint          timestamp)
 300 {
 301         GSList *l;
 302
 303         for (l = uri_list; l != NULL; l = l->next) {
 304                 ev_application_open_uri (application, (char *)l->data,
 305                                          NULL, timestamp, NULL);
 306         }
 307 }
 308
 309 void
 310 ev_application_shutdown (EvApplication *application)
 311 {
 312         if (application->toolbars_model) {
 313                 g_object_unref (application->toolbars_model);
 314                 g_free (application->toolbars_file);
 315                 application->toolbars_model = NULL;
 316                 application->toolbars_file = NULL;
 317         }
 318
 319         if (application->recent_model) {
 320                 g_object_unref (application->recent_model);
 321                 application->recent_model = NULL;
 322         }
 323
 324         g_free (application->last_chooser_uri);
 325         g_object_unref (application);
 326
 327         gtk_main_quit ();
 328 }
 329
 330 static void
 331 ev_application_class_init (EvApplicationClass *ev_application_class)
 332 {
 333 }
 334
 335 static void
 336 ev_application_init (EvApplication *ev_application)
 337 {
 338         init_session (ev_application);
 339
 340         ev_application->toolbars_model = egg_toolbars_model_new ();
 341
 342         ev_application->toolbars_file = g_build_filename
 343                         (ev_dot_dir (), "evince_toolbar.xml", NULL);
 344
 345         egg_toolbars_model_load_names (ev_application->toolbars_model,
 346                                        DATADIR "/evince-toolbar.xml");
 347
 348         if (!egg_toolbars_model_load_toolbars (ev_application->toolbars_model,
 349                                       ev_application->toolbars_file)) {
 350                 egg_toolbars_model_load_toolbars (ev_application->toolbars_model,
 351                                          DATADIR"/evince-toolbar.xml");
 352         }
 353
 354         egg_toolbars_model_set_flags (ev_application->toolbars_model, 0,
 355                                       EGG_TB_MODEL_NOT_REMOVABLE);
 356
 357         ev_application->recent_model = egg_recent_model_new (EGG_RECENT_MODEL_SORT_MRU);
 358         /* FIXME we should add a mime type filter but current eggrecent
 359            has only a varargs style api which does not work well when
 360            the list of mime types is dynamic */
 361         egg_recent_model_set_limit (ev_application->recent_model, 5);
 362         egg_recent_model_set_filter_groups (ev_application->recent_model,
 363                                             "Evince", NULL);
 364 }
 365
 366 GList *
 367 ev_application_get_windows (EvApplication *application)
 368 {
 369         GList *l, *toplevels;
 370         GList *windows = NULL;
 371
 372         toplevels = gtk_window_list_toplevels ();
 373
 374         for (l = toplevels; l != NULL; l = l->next) {
 375                 if (EV_IS_WINDOW (l->data)) {
 376                         windows = g_list_append (windows, l->data);
 377                 }
 378         }
 379
 380         g_list_free (toplevels);
 381
 382         return windows;
 383 }
 384
 385 EggToolbarsModel *ev_application_get_toolbars_model (EvApplication *application)
 386 {
 387         return application->toolbars_model;
 388 }
 389
 390 EggRecentModel *ev_application_get_recent_model (EvApplication *application)
 391 {
 392         return application->recent_model;
 393 }
 394
 395 void ev_application_save_toolbars_model (EvApplication *application)
 396 {
 397         egg_toolbars_model_save_toolbars (application->toolbars_model,
 398                                           application->toolbars_file, "1.0");
 399 }
 400
 401 void ev_application_set_chooser_uri (EvApplication *application, const gchar *uri)
 402 {
 403         g_free (application->last_chooser_uri);
 404         application->last_chooser_uri = g_strdup (uri);
 405 }
 406
 407 const gchar* ev_application_get_chooser_uri (EvApplication *application)
 408 {
 409         return application->last_chooser_uri;
 410 }
 411