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 <string.h>
  26
  27 #include <glib.h>
  28 #include <glib/gi18n.h>
  29 #include <gtk/gtk.h>
  30
  31 #if WITH_GNOME
  32 #include <libgnomeui/gnome-client.h>
  33 #endif
  34
  35 #include "totem-scrsaver.h"
  36
  37 #include "ev-application.h"
  38 #include "ev-document-factory.h"
  39 #include "ev-file-helpers.h"
  40 #include "ev-utils.h"
  41
  42 #ifdef ENABLE_DBUS
  43 #include "ev-media-player-keys.h"
  44 #endif /* ENABLE_DBUS */
  45
  46 #ifdef ENABLE_DBUS
  47 #include <dbus/dbus-glib-bindings.h>
  48 #include "ev-application-service.h"
  49 #endif
  50
  51 static void ev_application_add_icon_path_for_screen (GdkScreen *screen);
  52
  53 struct _EvApplication {
  54         GObject base_instance;
  55
  56         gchar *toolbars_file;
  57
  58         EggToolbarsModel *toolbars_model;
  59
  60         TotemScrsaver *scr_saver;
  61
  62         gchar *last_chooser_uri;
  63
  64 #ifdef ENABLE_DBUS
  65         EvMediaPlayerKeys *keys;
  66 #endif /* ENABLE_DBUS */
  67
  68         GtkPrintSettings *print_settings;
  69 #if GTK_CHECK_VERSION (2, 11, 0)
  70         gchar            *print_settings_file;
  71 #endif
  72 };
  73
  74 struct _EvApplicationClass {
  75         GObjectClass base_class;
  76 };
  77
  78 G_DEFINE_TYPE (EvApplication, ev_application, G_TYPE_OBJECT);
  79
  80 #define APPLICATION_SERVICE_NAME "org.gnome.evince.ApplicationService"
  81
  82 #ifdef ENABLE_DBUS
  83 gboolean
  84 ev_application_register_service (EvApplication *application)
  85 {
  86         static DBusGConnection *connection = NULL;
  87         DBusGProxy *driver_proxy;
  88         GError *err = NULL;
  89         guint request_name_result;
  90
  91         if (connection) {
  92                 g_warning ("Service already registered.");
  93                 return FALSE;
  94         }
  95
  96         connection = dbus_g_bus_get (DBUS_BUS_STARTER, &err);
  97         if (connection == NULL) {
  98                 g_warning ("Service registration failed.");
  99                 g_error_free (err);
 100
 101                 return FALSE;
 102         }
 103
 104         driver_proxy = dbus_g_proxy_new_for_name (connection,
 105                                                   DBUS_SERVICE_DBUS,
 106                                                   DBUS_PATH_DBUS,
 107                                                   DBUS_INTERFACE_DBUS);
 108
 109         if (!org_freedesktop_DBus_request_name (driver_proxy,
 110                                                 APPLICATION_SERVICE_NAME,
 111                                                 DBUS_NAME_FLAG_DO_NOT_QUEUE,
 112                                                 &request_name_result, &err)) {
 113                 g_warning ("Service registration failed.");
 114                 g_clear_error (&err);
 115         }
 116
 117         g_object_unref (driver_proxy);
 118
 119         if (request_name_result == DBUS_REQUEST_NAME_REPLY_EXISTS) {
 120                 return FALSE;
 121         }
 122
 123         dbus_g_object_type_install_info (EV_TYPE_APPLICATION,
 124                                          &dbus_glib_ev_application_object_info);
 125         dbus_g_connection_register_g_object (connection,
 126                                              "/org/gnome/evince/Evince",
 127                                              G_OBJECT (application));
 128
 129         application->scr_saver = totem_scrsaver_new (connection);
 130
 131         return TRUE;
 132 }
 133 #endif /* ENABLE_DBUS */
 134
 135 /**
 136  * ev_application_get_instance:
 137  *
 138  * Checks for #EvApplication instance, if it doesn't exist it does create it.
 139  *
 140  * Returns: an instance of the #EvApplication data.
 141  */
 142 EvApplication *
 143 ev_application_get_instance (void)
 144 {
 145         static EvApplication *instance;
 146
 147         if (!instance) {
 148                 instance = EV_APPLICATION (g_object_new (EV_TYPE_APPLICATION, NULL));
 149         }
 150
 151         return instance;
 152 }
 153
 154 #if WITH_GNOME
 155 static void
 156 removed_from_session (GnomeClient *client, EvApplication *application)
 157 {
 158         ev_application_shutdown (application);
 159 }
 160
 161 static gint
 162 save_session (GnomeClient *client, gint phase, GnomeSaveStyle save_style, gint shutdown,
 163               GnomeInteractStyle interact_style, gint fast, EvApplication *application)
 164 {
 165         GList *windows, *l;
 166         char **restart_argv;
 167         int argc = 0, k;
 168
 169         windows = ev_application_get_windows (application);
 170         restart_argv = g_new (char *, g_list_length (windows) + 1);
 171         restart_argv[argc++] = g_strdup ("evince");
 172
 173         for (l = windows; l != NULL; l = l->next) {
 174                 EvWindow *window = EV_WINDOW (l->data);
 175                 restart_argv[argc++] = g_strdup (ev_window_get_uri (window));
 176         }
 177
 178         gnome_client_set_restart_command (client, argc, restart_argv);
 179
 180         for (k = 0; k < argc; k++) {
 181                 g_free (restart_argv[k]);
 182         }
 183
 184         g_list_free (windows);
 185         g_free (restart_argv);
 186
 187         return TRUE;
 188 }
 189
 190 static void
 191 init_session (EvApplication *application)
 192 {
 193         GnomeClient *client;
 194
 195         client = gnome_master_client ();
 196
 197         g_signal_connect (client, "save_yourself",
 198                           G_CALLBACK (save_session), application);
 199         g_signal_connect (client, "die",
 200                           G_CALLBACK (removed_from_session), application);
 201 }
 202 #endif
 203
 204 /**
 205  * ev_display_open_if_needed:
 206  * @name: the name of the display to be open if it's needed.
 207  *
 208  * Search among all the open displays if any of them have the same name as the
 209  * passed name. If the display isn't found it tries the open it.
 210  *
 211  * Returns: a #GdkDisplay of the display with the passed name.
 212  */
 213 static GdkDisplay *
 214 ev_display_open_if_needed (const gchar *name)
 215 {
 216         GSList     *displays;
 217         GSList     *l;
 218         GdkDisplay *display = NULL;
 219
 220         displays = gdk_display_manager_list_displays (gdk_display_manager_get ());
 221
 222         for (l = displays; l != NULL; l = l->next) {
 223                 const gchar *display_name = gdk_display_get_name ((GdkDisplay *) l->data);
 224
 225                 if (g_ascii_strcasecmp (display_name, name) == 0) {
 226                         display = l->data;
 227                         break;
 228                 }
 229         }
 230
 231         g_slist_free (displays);
 232
 233         return display != NULL ? display : gdk_display_open (name);
 234 }
 235
 236 /**
 237  * get_screen_from_args:
 238  * @args: a #GHashTable with data passed to the application.
 239  *
 240  * Looks for the screen in the display available in the hash table passed to the
 241  * application. If the display isn't opened, it's opened and the #GdkScreen
 242  * assigned to the screen in that display returned.
 243  *
 244  * Returns: the #GdkScreen assigned to the screen on the display indicated by
 245  *          the data on the #GHashTable.
 246  */
 247 static GdkScreen *
 248 get_screen_from_args (GHashTable *args)
 249 {
 250         GValue     *value = NULL;
 251         GdkDisplay *display = NULL;
 252         GdkScreen  *screen = NULL;
 253
 254         g_assert (args != NULL);
 255
 256         value = g_hash_table_lookup (args, "display");
 257         if (value) {
 258                 const gchar *display_name;
 259
 260                 display_name = g_value_get_string (value);
 261                 display = ev_display_open_if_needed (display_name);
 262         }
 263
 264         value = g_hash_table_lookup (args, "screen");
 265         if (value) {
 266                 gint screen_number;
 267
 268                 screen_number = g_value_get_int (value);
 269                 screen = gdk_display_get_screen (display, screen_number);
 270         }
 271
 272         return screen;
 273 }
 274
 275 /**
 276  * get_window_run_mode_from_args:
 277  * @args: a #GHashTable with data passed to the application.
 278  *
 279  * It does look if the mode option has been passed from command line, using it
 280  * as the window run mode, otherwise the run mode will be the normal mode.
 281  *
 282  * Returns: The window run mode passed from command line or
 283  *          EV_WINDOW_MODE_NORMAL in other case.
 284  */
 285 static EvWindowRunMode
 286 get_window_run_mode_from_args (GHashTable *args)
 287 {
 288         EvWindowRunMode  mode = EV_WINDOW_MODE_NORMAL;
 289         GValue          *value = NULL;
 290
 291         g_assert (args != NULL);
 292
 293         value = g_hash_table_lookup (args, "mode");
 294         if (value) {
 295                 mode = g_value_get_uint (value);
 296         }
 297
 298         return mode;
 299 }
 300
 301 /**
 302  * get_destination_from_args:
 303  * @args: a #GHashTable with data passed to the application.
 304  *
 305  * It does look for the page-label argument parsed from the command line and
 306  * if it does exist, it returns an #EvLinkDest.
 307  *
 308  * Returns: An #EvLinkDest to page-label if it has been passed from the command
 309  *          line, NULL in other case.
 310  */
 311 static EvLinkDest *
 312 get_destination_from_args (GHashTable *args)
 313 {
 314         EvLinkDest *dest = NULL;
 315         GValue     *value = NULL;
 316
 317         g_assert (args != NULL);
 318
 319         value = g_hash_table_lookup (args, "page-label");
 320         if (value) {
 321                 const gchar *page_label;
 322
 323                 page_label = g_value_get_string (value);
 324                 dest = ev_link_dest_new_page_label (page_label);
 325         }
 326
 327         return dest;
 328 }
 329
 330 static const gchar *
 331 get_find_string_from_args (GHashTable *args)
 332 {
 333         GValue *value = NULL;
 334
 335         g_assert (args != NULL);
 336
 337         value = g_hash_table_lookup (args, "find-string");
 338
 339         return value ? g_value_get_string (value) : NULL;
 340 }
 341
 342 /**
 343  * get_unlink_temp_file_from_args:
 344  * @args: a #GHashTable with data passed to the application.
 345  *
 346  * It does look if the unlink-temp-file option has been passed from the command
 347  * line returning it's boolean representation, otherwise it does return %FALSE.
 348  *
 349  * Returns: the boolean representation of the unlink-temp-file value or %FALSE
 350  *          in other case.
 351  */
 352 static gboolean
 353 get_unlink_temp_file_from_args (GHashTable *args)
 354 {
 355         gboolean unlink_temp_file = FALSE;
 356         GValue  *value = NULL;
 357
 358         g_assert (args != NULL);
 359
 360         value = g_hash_table_lookup (args, "unlink-temp-file");
 361         if (value) {
 362                 unlink_temp_file = g_value_get_boolean (value);
 363         }
 364
 365         return unlink_temp_file;
 366 }
 367
 368 static const gchar *
 369 get_print_settings_from_args (GHashTable *args)
 370 {
 371         const gchar *print_settings = NULL;
 372         GValue      *value = NULL;
 373
 374         g_assert (args != NULL);
 375
 376         value = g_hash_table_lookup (args, "print-settings");
 377         if (value) {
 378                 print_settings = g_value_get_string (value);
 379         }
 380
 381         return print_settings;
 382 }
 383
 384 /**
 385  * ev_application_open_window:
 386  * @application: The instance of the application.
 387  * @args: A #GHashTable with the arguments data.
 388  * @timestamp: Current time value.
 389  * @error: The #GError facility.
 390  *
 391  * Creates a new window and if the args are available, it's not NULL, it gets
 392  * the screen from them and assigns the just created window to it. At last it
 393  * does show it.
 394  *
 395  * Returns: %TRUE.
 396  */
 397 gboolean
 398 ev_application_open_window (EvApplication  *application,
 399                             GHashTable     *args,
 400                             guint32         timestamp,
 401                             GError        **error)
 402 {
 403         GtkWidget *new_window = ev_window_new ();
 404         GdkScreen *screen = NULL;
 405
 406         if (args) {
 407                 screen = get_screen_from_args (args);
 408         }
 409
 410         if (screen) {
 411                 gtk_window_set_screen (GTK_WINDOW (new_window), screen);
 412         }
 413         ev_application_add_icon_path_for_screen (screen);
 414
 415         gtk_widget_show (new_window);
 416
 417         gtk_window_present_with_time (GTK_WINDOW (new_window),
 418                                       timestamp);
 419         return TRUE;
 420 }
 421
 422 /**
 423  * ev_application_get_empty_window:
 424  * @application: The instance of the application.
 425  * @screen: The screen where the empty window will be search.
 426  *
 427  * It does look if there is any empty window in the indicated screen.
 428  *
 429  * Returns: The first empty #EvWindow in the passed #GdkScreen or NULL in other
 430  *          case.
 431  */
 432 static EvWindow *
 433 ev_application_get_empty_window (EvApplication *application,
 434                                  GdkScreen     *screen)
 435 {
 436         EvWindow *empty_window = NULL;
 437         GList *windows = ev_application_get_windows (application);
 438         GList *l;
 439
 440         for (l = windows; l != NULL; l = l->next) {
 441                 EvWindow *window = EV_WINDOW (l->data);
 442
 443                 if (ev_window_is_empty (window) &&
 444                     gtk_window_get_screen (GTK_WINDOW (window)) == screen) {
 445                         empty_window = window;
 446                         break;
 447                 }
 448         }
 449
 450         g_list_free (windows);
 451
 452         return empty_window;
 453 }
 454
 455 /**
 456  * ev_application_get_uri_window:
 457  * @application: The instance of the application.
 458  * @uri: The uri to be opened.
 459  *
 460  * It looks in the list of the windows for the one with the document represented
 461  * by the passed uri on it. If the window is empty or the document isn't present
 462  * on any window, it will return NULL.
 463  *
 464  * Returns: The #EvWindow where the document represented by the passed uri is
 465  *          shown, NULL in other case.
 466  */
 467 static EvWindow *
 468 ev_application_get_uri_window (EvApplication *application, const char *uri)
 469 {
 470         EvWindow *uri_window = NULL;
 471         GList *windows = gtk_window_list_toplevels ();
 472         GList *l;
 473
 474         g_return_val_if_fail (uri != NULL, NULL);
 475
 476         for (l = windows; l != NULL; l = l->next) {
 477                 if (EV_IS_WINDOW (l->data)) {
 478                         EvWindow *window = EV_WINDOW (l->data);
 479                         const char *window_uri = ev_window_get_uri (window);
 480
 481                         if (window_uri && strcmp (window_uri, uri) == 0 && !ev_window_is_empty (window)) {
 482                                 uri_window = window;
 483                                 break;
 484                         }
 485                 }
 486         }
 487
 488         g_list_free (windows);
 489
 490         return uri_window;
 491 }
 492
 493 static void
 494 ev_application_add_icon_path_for_screen (GdkScreen *screen)
 495 {
 496         GtkIconTheme *icon_theme;
 497
 498         icon_theme = gtk_icon_theme_get_for_screen (screen);
 499         if (icon_theme) {
 500                 gchar **path = NULL;
 501                 gint    n_paths;
 502                 gint    i;
 503                 gchar  *ev_icons_path;
 504
 505                 /* GtkIconTheme will then look in Evince custom hicolor dir
 506                  * for icons as well as the standard search paths
 507                  */
 508                 ev_icons_path = g_build_filename (DATADIR, "icons", NULL);
 509                 gtk_icon_theme_get_search_path (icon_theme, &path, &n_paths);
 510                 for (i = n_paths - 1; i >= 0; i--) {
 511                         if (g_ascii_strcasecmp (ev_icons_path, path[i]) == 0)
 512                                 break;
 513                 }
 514
 515                 if (i < 0)
 516                         gtk_icon_theme_append_search_path (icon_theme,
 517                                                            ev_icons_path);
 518
 519                 g_free (ev_icons_path);
 520                 g_strfreev (path);
 521         }
 522 }
 523
 524 /**
 525  * ev_application_open_uri_at_dest:
 526  * @application: The instance of the application.
 527  * @uri: The uri to be opened.
 528  * @screen: Thee screen where the link will be shown.
 529  * @dest: The #EvLinkDest of the document.
 530  * @mode: The run mode of the window.
 531  * @unlink_temp_file: The unlink_temp_file option value.
 532  * @timestamp: Current time value.
 533  */
 534 void
 535 ev_application_open_uri_at_dest (EvApplication  *application,
 536                                  const char     *uri,
 537                                  GdkScreen      *screen,
 538                                  EvLinkDest     *dest,
 539                                  EvWindowRunMode mode,
 540                                  const gchar    *search_string,
 541                                  gboolean        unlink_temp_file,
 542                                  const gchar    *print_settings,
 543                                  guint           timestamp)
 544 {
 545         EvWindow *new_window;
 546
 547         g_return_if_fail (uri != NULL);
 548
 549         ev_application_add_icon_path_for_screen (screen);
 550
 551         new_window = ev_application_get_uri_window (application, uri);
 552
 553         if (new_window == NULL) {
 554                 new_window = ev_application_get_empty_window (application, screen);
 555         }
 556
 557         if (new_window == NULL) {
 558                 new_window = EV_WINDOW (ev_window_new ());
 559         }
 560
 561         if (screen)
 562                 gtk_window_set_screen (GTK_WINDOW (new_window), screen);
 563
 564         /* We need to load uri before showing the window, so
 565            we can restore window size without flickering */
 566         ev_window_open_uri (new_window, uri, dest, mode, search_string,
 567                             unlink_temp_file, print_settings);
 568
 569         ev_document_fc_mutex_lock ();
 570         gtk_widget_show (GTK_WIDGET (new_window));
 571         ev_document_fc_mutex_unlock ();
 572
 573         gtk_window_present_with_time (GTK_WINDOW (new_window),
 574                                       timestamp);
 575 }
 576
 577 /**
 578  * ev_application_open_uri:
 579  * @application: The instance of the application.
 580  * @uri: The uri to be opened
 581  * @args: A #GHashTable with the arguments data.
 582  * @timestamp: Current time value.
 583  * @error: The #GError facility.
 584  */
 585 gboolean
 586 ev_application_open_uri (EvApplication  *application,
 587                          const char     *uri,
 588                          GHashTable     *args,
 589                          guint           timestamp,
 590                          GError        **error)
 591 {
 592         EvLinkDest      *dest = NULL;
 593         EvWindowRunMode  mode = EV_WINDOW_MODE_NORMAL;
 594         const gchar     *search_string = NULL;
 595         gboolean         unlink_temp_file = FALSE;
 596         const gchar     *print_settings = NULL;
 597         GdkScreen       *screen = NULL;
 598
 599         if (args) {
 600                 screen = get_screen_from_args (args);
 601                 dest = get_destination_from_args (args);
 602                 mode = get_window_run_mode_from_args (args);
 603                 search_string = get_find_string_from_args (args);
 604                 unlink_temp_file = (mode == EV_WINDOW_MODE_PREVIEW &&
 605                                     get_unlink_temp_file_from_args (args));
 606                 print_settings = get_print_settings_from_args (args);
 607         }
 608
 609         ev_application_open_uri_at_dest (application, uri, screen,
 610                                          dest, mode, search_string,
 611                                          unlink_temp_file,
 612                                          print_settings, timestamp);
 613
 614         if (dest)
 615                 g_object_unref (dest);
 616
 617         return TRUE;
 618 }
 619
 620 void
 621 ev_application_open_uri_list (EvApplication *application,
 622                               GSList        *uri_list,
 623                               GdkScreen     *screen,
 624                               guint          timestamp)
 625 {
 626         GSList *l;
 627
 628         for (l = uri_list; l != NULL; l = l->next) {
 629                 ev_application_open_uri_at_dest (application, (char *)l->data,
 630                                                  screen, NULL, 0, NULL,
 631                                                  FALSE, NULL, timestamp);
 632         }
 633 }
 634
 635 void
 636 ev_application_shutdown (EvApplication *application)
 637 {
 638         if (application->toolbars_model) {
 639                 g_object_unref (application->toolbars_model);
 640                 g_free (application->toolbars_file);
 641                 application->toolbars_model = NULL;
 642                 application->toolbars_file = NULL;
 643         }
 644
 645 #if GTK_CHECK_VERSION (2, 11, 0)
 646         if (application->print_settings_file) {
 647                 if (application->print_settings) {
 648                         GError *error = NULL;
 649
 650                         gtk_print_settings_to_file (application->print_settings,
 651                                                     application->print_settings_file,
 652                                                     &error);
 653                         if (error) {
 654                                 g_warning ("%s", error->message);
 655                                 g_error_free (error);
 656                         }
 657
 658                         g_object_unref (application->print_settings);
 659                         application->print_settings = NULL;
 660                 }
 661
 662                 g_free (application->print_settings_file);
 663                 application->print_settings_file = NULL;
 664         }
 665 #else /* ! GTK 2.11.0 */
 666         if (application->print_settings) {
 667                 g_object_unref (application->print_settings);
 668                 application->print_settings = NULL;
 669         }
 670 #endif /* GTK 2.11.0 */
 671
 672         g_free (application->last_chooser_uri);
 673         g_object_unref (application);
 674
 675         gtk_main_quit ();
 676 }
 677
 678 static void
 679 ev_application_class_init (EvApplicationClass *ev_application_class)
 680 {
 681 }
 682
 683 static void
 684 ev_application_init (EvApplication *ev_application)
 685 {
 686         gint i;
 687
 688 #if WITH_GNOME
 689         init_session (ev_application);
 690 #endif
 691
 692         ev_application->toolbars_model = egg_toolbars_model_new ();
 693
 694         ev_application->toolbars_file = g_build_filename
 695                         (ev_dot_dir (), "evince_toolbar.xml", NULL);
 696
 697         egg_toolbars_model_load_names (ev_application->toolbars_model,
 698                                        DATADIR "/evince-toolbar.xml");
 699
 700         if (!egg_toolbars_model_load_toolbars (ev_application->toolbars_model,
 701                                                ev_application->toolbars_file)) {
 702                 egg_toolbars_model_load_toolbars (ev_application->toolbars_model,
 703                                                   DATADIR"/evince-toolbar.xml");
 704         }
 705
 706         /* Open item doesn't exist anymore,
 707          * convert it to OpenRecent for compatibility
 708          */
 709         for (i = 0; i < egg_toolbars_model_n_items (ev_application->toolbars_model, 0); i++) {
 710                 const gchar *item;
 711
 712                 item = egg_toolbars_model_item_nth (ev_application->toolbars_model, 0, i);
 713                 if (g_ascii_strcasecmp (item, "FileOpen") == 0) {
 714                         egg_toolbars_model_remove_item (ev_application->toolbars_model, 0, i);
 715                         egg_toolbars_model_add_item (ev_application->toolbars_model, 0, i,
 716                                                      "FileOpenRecent");
 717                         ev_application_save_toolbars_model (ev_application);
 718                         break;
 719                 }
 720         }
 721
 722         egg_toolbars_model_set_flags (ev_application->toolbars_model, 0,
 723                                       EGG_TB_MODEL_NOT_REMOVABLE);
 724
 725 #ifdef ENABLE_DBUS
 726         ev_application->keys = ev_media_player_keys_new ();
 727 #endif /* ENABLE_DBUS */
 728 }
 729
 730 /**
 731  * ev_application_get_windows:
 732  * @application: The instance of the application.
 733  *
 734  * It creates a list of the top level windows.
 735  *
 736  * Returns: A #GList of the top level windows.
 737  */
 738 GList *
 739 ev_application_get_windows (EvApplication *application)
 740 {
 741         GList *l, *toplevels;
 742         GList *windows = NULL;
 743
 744         toplevels = gtk_window_list_toplevels ();
 745
 746         for (l = toplevels; l != NULL; l = l->next) {
 747                 if (EV_IS_WINDOW (l->data)) {
 748                         windows = g_list_append (windows, l->data);
 749                 }
 750         }
 751
 752         g_list_free (toplevels);
 753
 754         return windows;
 755 }
 756
 757 /**
 758  * ev_application_get_media_keys:
 759  * @application: The instance of the application.
 760  *
 761  * It gives you access to the media player keys handler object.
 762  *
 763  * Returns: A #EvMediaPlayerKeys.
 764  */
 765 GObject
 766 *ev_application_get_media_keys (EvApplication *application)
 767 {
 768 #ifdef ENABLE_DBUS
 769         if (!application->keys)
 770                 return NULL;
 771         return g_object_ref (G_OBJECT (application->keys));
 772 #else
 773         return NULL;
 774 #endif /* ENABLE_DBUS */
 775 }
 776
 777 EggToolbarsModel *
 778 ev_application_get_toolbars_model (EvApplication *application)
 779 {
 780         return application->toolbars_model;
 781 }
 782
 783 void
 784 ev_application_save_toolbars_model (EvApplication *application)
 785 {
 786         egg_toolbars_model_save_toolbars (application->toolbars_model,
 787                                           application->toolbars_file, "1.0");
 788 }
 789
 790 void
 791 ev_application_set_chooser_uri (EvApplication *application, const gchar *uri)
 792 {
 793         g_free (application->last_chooser_uri);
 794         application->last_chooser_uri = g_strdup (uri);
 795 }
 796
 797 const gchar *
 798 ev_application_get_chooser_uri (EvApplication *application)
 799 {
 800         return application->last_chooser_uri;
 801 }
 802
 803 void
 804 ev_application_screensaver_enable (EvApplication *application)
 805 {
 806         if (application->scr_saver)
 807                 totem_scrsaver_enable (application->scr_saver);
 808 }
 809
 810 void
 811 ev_application_screensaver_disable (EvApplication *application)
 812 {
 813         if (application->scr_saver)
 814                 totem_scrsaver_disable (application->scr_saver);
 815 }
 816
 817 GtkPrintSettings *
 818 ev_application_get_print_settings (EvApplication *application)
 819 {
 820         if (application->print_settings)
 821                 return application->print_settings;
 822
 823 #if GTK_CHECK_VERSION (2, 11, 0)
 824         if (!application->print_settings_file) {
 825                 application->print_settings_file =
 826                         g_build_filename (ev_dot_dir (), "print-settings", NULL);
 827         }
 828
 829         if (g_file_test (application->print_settings_file, G_FILE_TEST_IS_REGULAR)) {
 830                 GError *error = NULL;
 831
 832                 application->print_settings =
 833                         gtk_print_settings_new_from_file (application->print_settings_file, &error);
 834
 835                 if (error) {
 836                         g_warning ("%s", error->message);
 837                         g_error_free (error);
 838                 } else {
 839                         return application->print_settings;
 840                 }
 841         }
 842 #endif /* GTK 2.11.0 */
 843
 844         application->print_settings = gtk_print_settings_new ();
 845
 846         return application->print_settings;
 847 }
 848
 849 void
 850 ev_application_set_print_settings (EvApplication    *application,
 851                                    GtkPrintSettings *settings)
 852 {
 853         g_return_if_fail (GTK_IS_PRINT_SETTINGS (settings));
 854
 855         if (settings == application->print_settings)
 856                 return;
 857
 858         if (application->print_settings)
 859                 g_object_unref (application->print_settings);
 860
 861         application->print_settings = g_object_ref (settings);
 862 }
 863