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 #include <config.h>
  24
  25 #include <glib.h>
  26 #include <glib/gi18n.h>
  27 #include <gtk/gtk.h>
  28
  29 #if WITH_GNOME
  30 #include <libgnomeui/gnome-client.h>
  31 #endif
  32
  33 #include "ev-application.h"
  34 #include "ev-utils.h"
  35 #include "ev-file-helpers.h"
  36 #include "ev-document-factory.h"
  37 #ifdef ENABLE_DBUS
  38 #include "ev-media-player-keys.h"
  39 #endif /* ENABLE_DBUS */
  40 #include "totem-scrsaver.h"
  41
  42 #ifdef ENABLE_DBUS
  43 #include "ev-application-service.h"
  44 #include <dbus/dbus-glib-bindings.h>
  45 #endif
  46
  47 #include <string.h>
  48
  49 static void ev_application_add_icon_path_for_screen (GdkScreen *screen);
  50
  51 struct _EvApplication {
  52         GObject base_instance;
  53
  54         gchar *toolbars_file;
  55
  56         EggToolbarsModel *toolbars_model;
  57
  58         TotemScrsaver *scr_saver;
  59
  60         gchar *last_chooser_uri;
  61
  62 #ifdef ENABLE_DBUS
  63         EvMediaPlayerKeys *keys;
  64 #endif /* ENABLE_DBUS */
  65
  66         GtkPrintSettings *print_settings;
  67 #if GTK_CHECK_VERSION (2, 11, 0)
  68         gchar            *print_settings_file;
  69 #endif
  70 };
  71
  72 struct _EvApplicationClass {
  73         GObjectClass base_class;
  74 };
  75
  76 G_DEFINE_TYPE (EvApplication, ev_application, G_TYPE_OBJECT);
  77
  78 #define APPLICATION_SERVICE_NAME "org.gnome.evince.ApplicationService"
  79
  80 #ifdef ENABLE_DBUS
  81 gboolean
  82 ev_application_register_service (EvApplication *application)
  83 {
  84         static DBusGConnection *connection = NULL;
  85         DBusGProxy *driver_proxy;
  86         GError *err = NULL;
  87         guint request_name_result;
  88
  89         if (connection) {
  90                 g_warning ("Service already registered.");
  91                 return FALSE;
  92         }
  93
  94         connection = dbus_g_bus_get (DBUS_BUS_STARTER, &err);
  95         if (connection == NULL) {
  96                 g_warning ("Service registration failed.");
  97                 g_error_free (err);
  98
  99                 return FALSE;
 100         }
 101
 102         driver_proxy = dbus_g_proxy_new_for_name (connection,
 103                                                   DBUS_SERVICE_DBUS,
 104                                                   DBUS_PATH_DBUS,
 105                                                   DBUS_INTERFACE_DBUS);
 106
 107         if (!org_freedesktop_DBus_request_name (driver_proxy,
 108                                                 APPLICATION_SERVICE_NAME,
 109                                                 DBUS_NAME_FLAG_DO_NOT_QUEUE,
 110                                                 &request_name_result, &err)) {
 111                 g_warning ("Service registration failed.");
 112                 g_clear_error (&err);
 113         }
 114
 115         g_object_unref (driver_proxy);
 116
 117         if (request_name_result == DBUS_REQUEST_NAME_REPLY_EXISTS) {
 118                 return FALSE;
 119         }
 120
 121         dbus_g_object_type_install_info (EV_TYPE_APPLICATION,
 122                                          &dbus_glib_ev_application_object_info);
 123         dbus_g_connection_register_g_object (connection,
 124                                              "/org/gnome/evince/Evince",
 125                                              G_OBJECT (application));
 126
 127         application->scr_saver = totem_scrsaver_new (connection);
 128
 129         return TRUE;
 130 }
 131 #endif /* ENABLE_DBUS */
 132
 133 /**
 134  * ev_application_get_instance:
 135  *
 136  * Checks for #EvApplication instance, if it doesn't exist it does create it.
 137  *
 138  * Returns: an instance of the #EvApplication data.
 139  */
 140 EvApplication *
 141 ev_application_get_instance (void)
 142 {
 143         static EvApplication *instance;
 144
 145         if (!instance) {
 146                 instance = EV_APPLICATION (g_object_new (EV_TYPE_APPLICATION, NULL));
 147         }
 148
 149         return instance;
 150 }
 151
 152 #if WITH_GNOME
 153 static void
 154 removed_from_session (GnomeClient *client, EvApplication *application)
 155 {
 156         ev_application_shutdown (application);
 157 }
 158
 159 static gint
 160 save_session (GnomeClient *client, gint phase, GnomeSaveStyle save_style, gint shutdown,
 161               GnomeInteractStyle interact_style, gint fast, EvApplication *application)
 162 {
 163         GList *windows, *l;
 164         char **restart_argv;
 165         int argc = 0, k;
 166
 167         windows = ev_application_get_windows (application);
 168         restart_argv = g_new (char *, g_list_length (windows) + 1);
 169         restart_argv[argc++] = g_strdup ("evince");
 170
 171         for (l = windows; l != NULL; l = l->next) {
 172                 EvWindow *window = EV_WINDOW (l->data);
 173                 restart_argv[argc++] = g_strdup (ev_window_get_uri (window));
 174         }
 175
 176         gnome_client_set_restart_command (client, argc, restart_argv);
 177
 178         for (k = 0; k < argc; k++) {
 179                 g_free (restart_argv[k]);
 180         }
 181
 182         g_list_free (windows);
 183         g_free (restart_argv);
 184
 185         return TRUE;
 186 }
 187
 188 static void
 189 init_session (EvApplication *application)
 190 {
 191         GnomeClient *client;
 192
 193         client = gnome_master_client ();
 194
 195         g_signal_connect (client, "save_yourself",
 196                           G_CALLBACK (save_session), application);
 197         g_signal_connect (client, "die",
 198                           G_CALLBACK (removed_from_session), application);
 199 }
 200 #endif
 201
 202 /**
 203  * ev_display_open_if_needed:
 204  * @name: the name of the display to be open if it's needed.
 205  *
 206  * Search among all the open displays if any of them have the same name as the
 207  * passed name. If the display isn't found it tries the open it.
 208  *
 209  * Returns: a #GdkDisplay of the display with the passed name.
 210  */
 211 static GdkDisplay *
 212 ev_display_open_if_needed (const gchar *name)
 213 {
 214         GSList     *displays;
 215         GSList     *l;
 216         GdkDisplay *display = NULL;
 217
 218         displays = gdk_display_manager_list_displays (gdk_display_manager_get ());
 219
 220         for (l = displays; l != NULL; l = l->next) {
 221                 const gchar *display_name = gdk_display_get_name ((GdkDisplay *) l->data);
 222
 223                 if (g_ascii_strcasecmp (display_name, name) == 0) {
 224                         display = l->data;
 225                         break;
 226                 }
 227         }
 228
 229         g_slist_free (displays);
 230
 231         return display != NULL ? display : gdk_display_open (name);
 232 }
 233
 234 /**
 235  * get_screen_from_args:
 236  * @args: a #GHashTable with data passed to the application.
 237  *
 238  * Looks for the screen in the display available in the hash table passed to the
 239  * application. If the display isn't opened, it's opened and the #GdkScreen
 240  * assigned to the screen in that display returned.
 241  *
 242  * Returns: the #GdkScreen assigned to the screen on the display indicated by
 243  *          the data on the #GHashTable.
 244  */
 245 static GdkScreen *
 246 get_screen_from_args (GHashTable *args)
 247 {
 248         GValue     *value = NULL;
 249         GdkDisplay *display = NULL;
 250         GdkScreen  *screen = NULL;
 251
 252         g_assert (args != NULL);
 253
 254         value = g_hash_table_lookup (args, "display");
 255         if (value) {
 256                 const gchar *display_name;
 257
 258                 display_name = g_value_get_string (value);
 259                 display = ev_display_open_if_needed (display_name);
 260         }
 261
 262         value = g_hash_table_lookup (args, "screen");
 263         if (value) {
 264                 gint screen_number;
 265
 266                 screen_number = g_value_get_int (value);
 267                 screen = gdk_display_get_screen (display, screen_number);
 268         }
 269
 270         return screen;
 271 }
 272
 273 /**
 274  * get_window_run_mode_from_args:
 275  * @args: a #GHashTable with data passed to the application.
 276  *
 277  * It does look if the mode option has been passed from command line, using it
 278  * as the window run mode, otherwise the run mode will be the normal mode.
 279  *
 280  * Returns: The window run mode passed from command line or
 281  *          EV_WINDOW_MODE_NORMAL in other case.
 282  */
 283 static EvWindowRunMode
 284 get_window_run_mode_from_args (GHashTable *args)
 285 {
 286         EvWindowRunMode  mode = EV_WINDOW_MODE_NORMAL;
 287         GValue          *value = NULL;
 288
 289         g_assert (args != NULL);
 290
 291         value = g_hash_table_lookup (args, "mode");
 292         if (value) {
 293                 mode = g_value_get_uint (value);
 294         }
 295
 296         return mode;
 297 }
 298
 299 /**
 300  * get_destination_from_args:
 301  * @args: a #GHashTable with data passed to the application.
 302  *
 303  * It does look for the page-label argument parsed from the command line and
 304  * if it does exist, it returns an #EvLinkDest.
 305  *
 306  * Returns: An #EvLinkDest to page-label if it has been passed from the command
 307  *          line, NULL in other case.
 308  */
 309 static EvLinkDest *
 310 get_destination_from_args (GHashTable *args)
 311 {
 312         EvLinkDest *dest = NULL;
 313         GValue     *value = NULL;
 314
 315         g_assert (args != NULL);
 316
 317         value = g_hash_table_lookup (args, "page-label");
 318         if (value) {
 319                 const gchar *page_label;
 320
 321                 page_label = g_value_get_string (value);
 322                 dest = ev_link_dest_new_page_label (page_label);
 323         }
 324
 325         return dest;
 326 }
 327
 328 static const gchar *
 329 get_find_string_from_args (GHashTable *args)
 330 {
 331         GValue *value = NULL;
 332
 333         g_assert (args != NULL);
 334
 335         value = g_hash_table_lookup (args, "find-string");
 336
 337         return value ? g_value_get_string (value) : NULL;
 338 }
 339
 340 /**
 341  * get_unlink_temp_file_from_args:
 342  * @args: a #GHashTable with data passed to the application.
 343  *
 344  * It does look if the unlink-temp-file option has been passed from the command
 345  * line returning it's boolean representation, otherwise it does return %FALSE.
 346  *
 347  * Returns: the boolean representation of the unlink-temp-file value or %FALSE
 348  *          in other case.
 349  */
 350 static gboolean
 351 get_unlink_temp_file_from_args (GHashTable *args)
 352 {
 353         gboolean unlink_temp_file = FALSE;
 354         GValue  *value = NULL;
 355
 356         g_assert (args != NULL);
 357
 358         value = g_hash_table_lookup (args, "unlink-temp-file");
 359         if (value) {
 360                 unlink_temp_file = g_value_get_boolean (value);
 361         }
 362
 363         return unlink_temp_file;
 364 }
 365
 366 static const gchar *
 367 get_print_settings_from_args (GHashTable *args)
 368 {
 369         const gchar *print_settings = NULL;
 370         GValue      *value = NULL;
 371
 372         g_assert (args != NULL);
 373
 374         value = g_hash_table_lookup (args, "print-settings");
 375         if (value) {
 376                 print_settings = g_value_get_string (value);
 377         }
 378
 379         return print_settings;
 380 }
 381
 382 /**
 383  * ev_application_open_window:
 384  * @application: The instance of the application.
 385  * @args: A #GHashTable with the arguments data.
 386  * @timestamp: Current time value.
 387  * @error: The #GError facility.
 388  *
 389  * Creates a new window and if the args are available, it's not NULL, it gets
 390  * the screen from them and assigns the just created window to it. At last it
 391  * does show it.
 392  *
 393  * Returns: %TRUE.
 394  */
 395 gboolean
 396 ev_application_open_window (EvApplication  *application,
 397                             GHashTable     *args,
 398                             guint32         timestamp,
 399                             GError        **error)
 400 {
 401         GtkWidget *new_window = ev_window_new ();
 402         GdkScreen *screen = NULL;
 403
 404         if (args) {
 405                 screen = get_screen_from_args (args);
 406         }
 407
 408         if (screen) {
 409                 gtk_window_set_screen (GTK_WINDOW (new_window), screen);
 410         }
 411         ev_application_add_icon_path_for_screen (screen);
 412
 413         gtk_widget_show (new_window);
 414
 415         gtk_window_present_with_time (GTK_WINDOW (new_window),
 416                                       timestamp);
 417         return TRUE;
 418 }
 419
 420 /**
 421  * ev_application_get_empty_window:
 422  * @application: The instance of the application.
 423  * @screen: The screen where the empty window will be search.
 424  *
 425  * It does look if there is any empty window in the indicated screen.
 426  *
 427  * Returns: The first empty #EvWindow in the passed #GdkScreen or NULL in other
 428  *          case.
 429  */
 430 static EvWindow *
 431 ev_application_get_empty_window (EvApplication *application,
 432                                  GdkScreen     *screen)
 433 {
 434         EvWindow *empty_window = NULL;
 435         GList *windows = ev_application_get_windows (application);
 436         GList *l;
 437
 438         for (l = windows; l != NULL; l = l->next) {
 439                 EvWindow *window = EV_WINDOW (l->data);
 440
 441                 if (ev_window_is_empty (window) &&
 442                     gtk_window_get_screen (GTK_WINDOW (window)) == screen) {
 443                         empty_window = window;
 444                         break;
 445                 }
 446         }
 447
 448         g_list_free (windows);
 449
 450         return empty_window;
 451 }
 452
 453 /**
 454  * ev_application_get_uri_window:
 455  * @application: The instance of the application.
 456  * @uri: The uri to be opened.
 457  *
 458  * It looks in the list of the windows for the one with the document represented
 459  * by the passed uri on it. If the window is empty or the document isn't present
 460  * on any window, it will return NULL.
 461  *
 462  * Returns: The #EvWindow where the document represented by the passed uri is
 463  *          shown, NULL in other case.
 464  */
 465 static EvWindow *
 466 ev_application_get_uri_window (EvApplication *application, const char *uri)
 467 {
 468         EvWindow *uri_window = NULL;
 469         GList *windows = gtk_window_list_toplevels ();
 470         GList *l;
 471
 472         g_return_val_if_fail (uri != NULL, NULL);
 473
 474         for (l = windows; l != NULL; l = l->next) {
 475                 if (EV_IS_WINDOW (l->data)) {
 476                         EvWindow *window = EV_WINDOW (l->data);
 477                         const char *window_uri = ev_window_get_uri (window);
 478
 479                         if (window_uri && strcmp (window_uri, uri) == 0 && !ev_window_is_empty (window)) {
 480                                 uri_window = window;
 481                                 break;
 482                         }
 483                 }
 484         }
 485
 486         g_list_free (windows);
 487
 488         return uri_window;
 489 }
 490
 491 static void
 492 ev_application_add_icon_path_for_screen (GdkScreen *screen)
 493 {
 494         GtkIconTheme *icon_theme;
 495
 496         icon_theme = gtk_icon_theme_get_for_screen (screen);
 497         if (icon_theme) {
 498                 gchar **path = NULL;
 499                 gint    n_paths;
 500                 gint    i;
 501                 gchar  *ev_icons_path;
 502
 503                 /* GtkIconTheme will then look in Evince custom hicolor dir
 504                  * for icons as well as the standard search paths
 505                  */
 506                 ev_icons_path = g_build_filename (DATADIR, "icons", NULL);
 507                 gtk_icon_theme_get_search_path (icon_theme, &path, &n_paths);
 508                 for (i = n_paths - 1; i >= 0; i--) {
 509                         if (g_ascii_strcasecmp (ev_icons_path, path[i]) == 0)
 510                                 break;
 511                 }
 512
 513                 if (i < 0)
 514                         gtk_icon_theme_append_search_path (icon_theme,
 515                                                            ev_icons_path);
 516
 517                 g_free (ev_icons_path);
 518                 g_strfreev (path);
 519         }
 520 }
 521
 522 /**
 523  * ev_application_open_uri_at_dest:
 524  * @application: The instance of the application.
 525  * @uri: The uri to be opened.
 526  * @screen: Thee screen where the link will be shown.
 527  * @dest: The #EvLinkDest of the document.
 528  * @mode: The run mode of the window.
 529  * @unlink_temp_file: The unlink_temp_file option value.
 530  * @timestamp: Current time value.
 531  */
 532 void
 533 ev_application_open_uri_at_dest (EvApplication  *application,
 534                                  const char     *uri,
 535                                  GdkScreen      *screen,
 536                                  EvLinkDest     *dest,
 537                                  EvWindowRunMode mode,
 538                                  const gchar    *search_string,
 539                                  gboolean        unlink_temp_file,
 540                                  const gchar    *print_settings,
 541                                  guint           timestamp)
 542 {
 543         EvWindow *new_window;
 544
 545         g_return_if_fail (uri != NULL);
 546
 547         ev_application_add_icon_path_for_screen (screen);
 548
 549         new_window = ev_application_get_uri_window (application, uri);
 550
 551         if (new_window == NULL) {
 552                 new_window = ev_application_get_empty_window (application, screen);
 553         }
 554
 555         if (new_window == NULL) {
 556                 new_window = EV_WINDOW (ev_window_new ());
 557         }
 558
 559         if (screen)
 560                 gtk_window_set_screen (GTK_WINDOW (new_window), screen);
 561
 562         /* We need to load uri before showing the window, so
 563            we can restore window size without flickering */
 564         ev_window_open_uri (new_window, uri, dest, mode, search_string,
 565                             unlink_temp_file, print_settings);
 566
 567         ev_document_fc_mutex_lock ();
 568         gtk_widget_show (GTK_WIDGET (new_window));
 569         ev_document_fc_mutex_unlock ();
 570
 571         gtk_window_present_with_time (GTK_WINDOW (new_window),
 572                                       timestamp);
 573 }
 574
 575 /**
 576  * ev_application_open_uri:
 577  * @application: The instance of the application.
 578  * @uri: The uri to be opened
 579  * @args: A #GHashTable with the arguments data.
 580  * @timestamp: Current time value.
 581  * @error: The #GError facility.
 582  */
 583 gboolean
 584 ev_application_open_uri (EvApplication  *application,
 585                          const char     *uri,
 586                          GHashTable     *args,
 587                          guint           timestamp,
 588                          GError        **error)
 589 {
 590         EvLinkDest      *dest = NULL;
 591         EvWindowRunMode  mode = EV_WINDOW_MODE_NORMAL;
 592         const gchar     *search_string = NULL;
 593         gboolean         unlink_temp_file = FALSE;
 594         const gchar     *print_settings = NULL;
 595         GdkScreen       *screen = NULL;
 596
 597         if (args) {
 598                 screen = get_screen_from_args (args);
 599                 dest = get_destination_from_args (args);
 600                 mode = get_window_run_mode_from_args (args);
 601                 search_string = get_find_string_from_args (args);
 602                 unlink_temp_file = (mode == EV_WINDOW_MODE_PREVIEW &&
 603                                     get_unlink_temp_file_from_args (args));
 604                 print_settings = get_print_settings_from_args (args);
 605         }
 606
 607         ev_application_open_uri_at_dest (application, uri, screen,
 608                                          dest, mode, search_string,
 609                                          unlink_temp_file,
 610                                          print_settings, timestamp);
 611
 612         if (dest)
 613                 g_object_unref (dest);
 614
 615         return TRUE;
 616 }
 617
 618 void
 619 ev_application_open_uri_list (EvApplication *application,
 620                               GSList        *uri_list,
 621                               GdkScreen     *screen,
 622                               guint          timestamp)
 623 {
 624         GSList *l;
 625
 626         for (l = uri_list; l != NULL; l = l->next) {
 627                 ev_application_open_uri_at_dest (application, (char *)l->data,
 628                                                  screen, NULL, 0, NULL,
 629                                                  FALSE, NULL, timestamp);
 630         }
 631 }
 632
 633 void
 634 ev_application_shutdown (EvApplication *application)
 635 {
 636         if (application->toolbars_model) {
 637                 g_object_unref (application->toolbars_model);
 638                 g_free (application->toolbars_file);
 639                 application->toolbars_model = NULL;
 640                 application->toolbars_file = NULL;
 641         }
 642
 643 #if GTK_CHECK_VERSION (2, 11, 0)
 644         if (application->print_settings_file) {
 645                 if (application->print_settings) {
 646                         GError *error = NULL;
 647
 648                         gtk_print_settings_to_file (application->print_settings,
 649                                                     application->print_settings_file,
 650                                                     &error);
 651                         if (error) {
 652                                 g_warning ("%s", error->message);
 653                                 g_error_free (error);
 654                         }
 655
 656                         g_object_unref (application->print_settings);
 657                         application->print_settings = NULL;
 658                 }
 659
 660                 g_free (application->print_settings_file);
 661                 application->print_settings_file = NULL;
 662         }
 663 #else /* ! GTK 2.11.0 */
 664         if (application->print_settings) {
 665                 g_object_unref (application->print_settings);
 666                 application->print_settings = NULL;
 667         }
 668 #endif /* GTK 2.11.0 */
 669
 670         g_free (application->last_chooser_uri);
 671         g_object_unref (application);
 672
 673         gtk_main_quit ();
 674 }
 675
 676 static void
 677 ev_application_class_init (EvApplicationClass *ev_application_class)
 678 {
 679 }
 680
 681 static void
 682 ev_application_init (EvApplication *ev_application)
 683 {
 684         gint i;
 685
 686 #if WITH_GNOME
 687         init_session (ev_application);
 688 #endif
 689
 690         ev_application->toolbars_model = egg_toolbars_model_new ();
 691
 692         ev_application->toolbars_file = g_build_filename
 693                         (ev_dot_dir (), "evince_toolbar.xml", NULL);
 694
 695         egg_toolbars_model_load_names (ev_application->toolbars_model,
 696                                        DATADIR "/evince-toolbar.xml");
 697
 698         if (!egg_toolbars_model_load_toolbars (ev_application->toolbars_model,
 699                                                ev_application->toolbars_file)) {
 700                 egg_toolbars_model_load_toolbars (ev_application->toolbars_model,
 701                                                   DATADIR"/evince-toolbar.xml");
 702         }
 703
 704         /* Open item doesn't exist anymore,
 705          * convert it to OpenRecent for compatibility
 706          */
 707         for (i = 0; i < egg_toolbars_model_n_items (ev_application->toolbars_model, 0); i++) {
 708                 const gchar *item;
 709
 710                 item = egg_toolbars_model_item_nth (ev_application->toolbars_model, 0, i);
 711                 if (g_ascii_strcasecmp (item, "FileOpen") == 0) {
 712                         egg_toolbars_model_remove_item (ev_application->toolbars_model, 0, i);
 713                         egg_toolbars_model_add_item (ev_application->toolbars_model, 0, i,
 714                                                      "FileOpenRecent");
 715                         ev_application_save_toolbars_model (ev_application);
 716                         break;
 717                 }
 718         }
 719
 720         egg_toolbars_model_set_flags (ev_application->toolbars_model, 0,
 721                                       EGG_TB_MODEL_NOT_REMOVABLE);
 722
 723 #ifdef ENABLE_DBUS
 724         ev_application->keys = ev_media_player_keys_new ();
 725 #endif /* ENABLE_DBUS */
 726 }
 727
 728 /**
 729  * ev_application_get_windows:
 730  * @application: The instance of the application.
 731  *
 732  * It creates a list of the top level windows.
 733  *
 734  * Returns: A #GList of the top level windows.
 735  */
 736 GList *
 737 ev_application_get_windows (EvApplication *application)
 738 {
 739         GList *l, *toplevels;
 740         GList *windows = NULL;
 741
 742         toplevels = gtk_window_list_toplevels ();
 743
 744         for (l = toplevels; l != NULL; l = l->next) {
 745                 if (EV_IS_WINDOW (l->data)) {
 746                         windows = g_list_append (windows, l->data);
 747                 }
 748         }
 749
 750         g_list_free (toplevels);
 751
 752         return windows;
 753 }
 754
 755 /**
 756  * ev_application_get_media_keys:
 757  * @application: The instance of the application.
 758  *
 759  * It gives you access to the media player keys handler object.
 760  *
 761  * Returns: A #EvMediaPlayerKeys.
 762  */
 763 GObject
 764 *ev_application_get_media_keys (EvApplication *application)
 765 {
 766 #ifdef ENABLE_DBUS
 767         if (!application->keys)
 768                 return NULL;
 769         return g_object_ref (G_OBJECT (application->keys));
 770 #else
 771         return NULL;
 772 #endif /* ENABLE_DBUS */
 773 }
 774
 775 EggToolbarsModel *
 776 ev_application_get_toolbars_model (EvApplication *application)
 777 {
 778         return application->toolbars_model;
 779 }
 780
 781 void
 782 ev_application_save_toolbars_model (EvApplication *application)
 783 {
 784         egg_toolbars_model_save_toolbars (application->toolbars_model,
 785                                           application->toolbars_file, "1.0");
 786 }
 787
 788 void
 789 ev_application_set_chooser_uri (EvApplication *application, const gchar *uri)
 790 {
 791         g_free (application->last_chooser_uri);
 792         application->last_chooser_uri = g_strdup (uri);
 793 }
 794
 795 const gchar *
 796 ev_application_get_chooser_uri (EvApplication *application)
 797 {
 798         return application->last_chooser_uri;
 799 }
 800
 801 void
 802 ev_application_screensaver_enable (EvApplication *application)
 803 {
 804         if (application->scr_saver)
 805                 totem_scrsaver_enable (application->scr_saver);
 806 }
 807
 808 void
 809 ev_application_screensaver_disable (EvApplication *application)
 810 {
 811         if (application->scr_saver)
 812                 totem_scrsaver_disable (application->scr_saver);
 813 }
 814
 815 GtkPrintSettings *
 816 ev_application_get_print_settings (EvApplication *application)
 817 {
 818         if (application->print_settings)
 819                 return application->print_settings;
 820
 821 #if GTK_CHECK_VERSION (2, 11, 0)
 822         if (!application->print_settings_file) {
 823                 application->print_settings_file =
 824                         g_build_filename (ev_dot_dir (), "print-settings", NULL);
 825         }
 826
 827         if (g_file_test (application->print_settings_file, G_FILE_TEST_IS_REGULAR)) {
 828                 GError *error = NULL;
 829
 830                 application->print_settings =
 831                         gtk_print_settings_new_from_file (application->print_settings_file, &error);
 832
 833                 if (error) {
 834                         g_warning ("%s", error->message);
 835                         g_error_free (error);
 836                 } else {
 837                         return application->print_settings;
 838                 }
 839         }
 840 #endif /* GTK 2.11.0 */
 841
 842         application->print_settings = gtk_print_settings_new ();
 843
 844         return application->print_settings;
 845 }
 846
 847 void
 848 ev_application_set_print_settings (EvApplication    *application,
 849                                    GtkPrintSettings *settings)
 850 {
 851         g_return_if_fail (GTK_IS_PRINT_SETTINGS (settings));
 852
 853         if (settings == application->print_settings)
 854                 return;
 855
 856         if (application->print_settings)
 857                 g_object_unref (application->print_settings);
 858
 859         application->print_settings = g_object_ref (settings);
 860 }
 861