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 #include "ev-application.h"
  25 #include "ev-utils.h"
  26 #include "ev-file-helpers.h"
  27 #include "ev-document-factory.h"
  28 #ifdef ENABLE_DBUS
  29 #include "ev-media-player-keys.h"
  30 #endif /* ENABLE_DBUS */
  31 #include "totem-scrsaver.h"
  32
  33 #include <glib.h>
  34 #include <glib/gi18n.h>
  35 #include <glib-object.h>
  36 #include <gtk/gtkfilechooserdialog.h>
  37 #include <gtk/gtkstock.h>
  38 #include <gtk/gtkwidget.h>
  39 #include <gtk/gtkmain.h>
  40
  41 #if WITH_GNOME
  42 #include <libgnomeui/gnome-client.h>
  43 #endif
  44
  45 #ifdef ENABLE_DBUS
  46 #include "ev-application-service.h"
  47 #include <dbus/dbus-glib-bindings.h>
  48 #endif
  49
  50 #include <string.h>
  51
  52 static void ev_application_add_icon_path_for_screen (GdkScreen *screen);
  53
  54 struct _EvApplication {
  55         GObject base_instance;
  56
  57         gchar *toolbars_file;
  58
  59         EggToolbarsModel *toolbars_model;
  60
  61         TotemScrsaver *scr_saver;
  62
  63         gchar *last_chooser_uri;
  64
  65 #ifdef ENABLE_DBUS
  66         EvMediaPlayerKeys *keys;
  67 #endif /* ENABLE_DBUS */
  68
  69         GtkPrintSettings *print_settings;
  70 #if GTK_CHECK_VERSION (2, 11, 0)
  71         gchar            *print_settings_file;
  72 #endif
  73 };
  74
  75 struct _EvApplicationClass {
  76         GObjectClass base_class;
  77 };
  78
  79 G_DEFINE_TYPE (EvApplication, ev_application, G_TYPE_OBJECT);
  80
  81 #define APPLICATION_SERVICE_NAME "org.gnome.evince.ApplicationService"
  82
  83 #ifdef ENABLE_DBUS
  84 gboolean
  85 ev_application_register_service (EvApplication *application)
  86 {
  87         static DBusGConnection *connection = NULL;
  88         DBusGProxy *driver_proxy;
  89         GError *err = NULL;
  90         guint request_name_result;
  91
  92         if (connection) {
  93                 g_warning ("Service already registered.");
  94                 return FALSE;
  95         }
  96
  97         connection = dbus_g_bus_get (DBUS_BUS_STARTER, &err);
  98         if (connection == NULL) {
  99                 g_warning ("Service registration failed.");
 100                 g_error_free (err);
 101
 102                 return FALSE;
 103         }
 104
 105         driver_proxy = dbus_g_proxy_new_for_name (connection,
 106                                                   DBUS_SERVICE_DBUS,
 107                                                   DBUS_PATH_DBUS,
 108                                                   DBUS_INTERFACE_DBUS);
 109
 110         if (!org_freedesktop_DBus_request_name (driver_proxy,
 111                                                 APPLICATION_SERVICE_NAME,
 112                                                 DBUS_NAME_FLAG_DO_NOT_QUEUE,
 113                                                 &request_name_result, &err)) {
 114                 g_warning ("Service registration failed.");
 115                 g_clear_error (&err);
 116         }
 117
 118         g_object_unref (driver_proxy);
 119
 120         if (request_name_result == DBUS_REQUEST_NAME_REPLY_EXISTS) {
 121                 return FALSE;
 122         }
 123
 124         dbus_g_object_type_install_info (EV_TYPE_APPLICATION,
 125                                          &dbus_glib_ev_application_object_info);
 126         dbus_g_connection_register_g_object (connection,
 127                                              "/org/gnome/evince/Evince",
 128                                              G_OBJECT (application));
 129
 130         application->scr_saver = totem_scrsaver_new (connection);
 131
 132         return TRUE;
 133 }
 134 #endif /* ENABLE_DBUS */
 135
 136 /**
 137  * ev_application_get_instance:
 138  *
 139  * Checks for #EvApplication instance, if it doesn't exist it does create it.
 140  *
 141  * Returns: an instance of the #EvApplication data.
 142  */
 143 EvApplication *
 144 ev_application_get_instance (void)
 145 {
 146         static EvApplication *instance;
 147
 148         if (!instance) {
 149                 instance = EV_APPLICATION (g_object_new (EV_TYPE_APPLICATION, NULL));
 150         }
 151
 152         return instance;
 153 }
 154
 155 #if WITH_GNOME
 156 static void
 157 removed_from_session (GnomeClient *client, EvApplication *application)
 158 {
 159         ev_application_shutdown (application);
 160 }
 161
 162 static gint
 163 save_session (GnomeClient *client, gint phase, GnomeSaveStyle save_style, gint shutdown,
 164               GnomeInteractStyle interact_style, gint fast, EvApplication *application)
 165 {
 166         GList *windows, *l;
 167         char **restart_argv;
 168         int argc = 0, k;
 169
 170         windows = ev_application_get_windows (application);
 171         restart_argv = g_new (char *, g_list_length (windows) + 1);
 172         restart_argv[argc++] = g_strdup ("evince");
 173
 174         for (l = windows; l != NULL; l = l->next) {
 175                 EvWindow *window = EV_WINDOW (l->data);
 176                 restart_argv[argc++] = g_strdup (ev_window_get_uri (window));
 177         }
 178
 179         gnome_client_set_restart_command (client, argc, restart_argv);
 180
 181         for (k = 0; k < argc; k++) {
 182                 g_free (restart_argv[k]);
 183         }
 184
 185         g_list_free (windows);
 186         g_free (restart_argv);
 187
 188         return TRUE;
 189 }
 190
 191 static void
 192 init_session (EvApplication *application)
 193 {
 194         GnomeClient *client;
 195
 196         client = gnome_master_client ();
 197
 198         g_signal_connect (client, "save_yourself",
 199                           G_CALLBACK (save_session), application);
 200         g_signal_connect (client, "die",
 201                           G_CALLBACK (removed_from_session), application);
 202 }
 203 #endif
 204
 205 /**
 206  * ev_display_open_if_needed:
 207  * @name: the name of the display to be open if it's needed.
 208  *
 209  * Search among all the open displays if any of them have the same name as the
 210  * passed name. If the display isn't found it tries the open it.
 211  *
 212  * Returns: a #GdkDisplay of the display with the passed name.
 213  */
 214 static GdkDisplay *
 215 ev_display_open_if_needed (const gchar *name)
 216 {
 217         GSList     *displays;
 218         GSList     *l;
 219         GdkDisplay *display = NULL;
 220
 221         displays = gdk_display_manager_list_displays (gdk_display_manager_get ());
 222
 223         for (l = displays; l != NULL; l = l->next) {
 224                 const gchar *display_name = gdk_display_get_name ((GdkDisplay *) l->data);
 225
 226                 if (g_ascii_strcasecmp (display_name, name) == 0) {
 227                         display = l->data;
 228                         break;
 229                 }
 230         }
 231
 232         g_slist_free (displays);
 233
 234         return display != NULL ? display : gdk_display_open (name);
 235 }
 236
 237 /**
 238  * get_screen_from_args:
 239  * @args: a #GHashTable with data passed to the application.
 240  *
 241  * Looks for the screen in the display available in the hash table passed to the
 242  * application. If the display isn't opened, it's opened and the #GdkScreen
 243  * assigned to the screen in that display returned.
 244  *
 245  * Returns: the #GdkScreen assigned to the screen on the display indicated by
 246  *          the data on the #GHashTable.
 247  */
 248 static GdkScreen *
 249 get_screen_from_args (GHashTable *args)
 250 {
 251         GValue     *value = NULL;
 252         GdkDisplay *display = NULL;
 253         GdkScreen  *screen = NULL;
 254
 255         g_assert (args != NULL);
 256
 257         value = g_hash_table_lookup (args, "display");
 258         if (value) {
 259                 const gchar *display_name;
 260
 261                 display_name = g_value_get_string (value);
 262                 display = ev_display_open_if_needed (display_name);
 263         }
 264
 265         value = g_hash_table_lookup (args, "screen");
 266         if (value) {
 267                 gint screen_number;
 268
 269                 screen_number = g_value_get_int (value);
 270                 screen = gdk_display_get_screen (display, screen_number);
 271         }
 272
 273         return screen;
 274 }
 275
 276 /**
 277  * get_window_run_mode_from_args:
 278  * @args: a #GHashTable with data passed to the application.
 279  *
 280  * It does look if the mode option has been passed from command line, using it
 281  * as the window run mode, otherwise the run mode will be the normal mode.
 282  *
 283  * Returns: The window run mode passed from command line or
 284  *          EV_WINDOW_MODE_NORMAL in other case.
 285  */
 286 static EvWindowRunMode
 287 get_window_run_mode_from_args (GHashTable *args)
 288 {
 289         EvWindowRunMode  mode = EV_WINDOW_MODE_NORMAL;
 290         GValue          *value = NULL;
 291
 292         g_assert (args != NULL);
 293
 294         value = g_hash_table_lookup (args, "mode");
 295         if (value) {
 296                 mode = g_value_get_uint (value);
 297         }
 298
 299         return mode;
 300 }
 301
 302 /**
 303  * get_destination_from_args:
 304  * @args: a #GHashTable with data passed to the application.
 305  *
 306  * It does look for the page-label argument parsed from the command line and
 307  * if it does exist, it returns an #EvLinkDest.
 308  *
 309  * Returns: An #EvLinkDest to page-label if it has been passed from the command
 310  *          line, NULL in other case.
 311  */
 312 static EvLinkDest *
 313 get_destination_from_args (GHashTable *args)
 314 {
 315         EvLinkDest *dest = NULL;
 316         GValue     *value = NULL;
 317
 318         g_assert (args != NULL);
 319
 320         value = g_hash_table_lookup (args, "page-label");
 321         if (value) {
 322                 const gchar *page_label;
 323
 324                 page_label = g_value_get_string (value);
 325                 dest = ev_link_dest_new_page_label (page_label);
 326         }
 327
 328         return dest;
 329 }
 330
 331 static const gchar *
 332 get_find_string_from_args (GHashTable *args)
 333 {
 334         GValue *value = NULL;
 335
 336         g_assert (args != NULL);
 337
 338         value = g_hash_table_lookup (args, "find-string");
 339
 340         return value ? g_value_get_string (value) : NULL;
 341 }
 342
 343 /**
 344  * get_unlink_temp_file_from_args:
 345  * @args: a #GHashTable with data passed to the application.
 346  *
 347  * It does look if the unlink-temp-file option has been passed from the command
 348  * line returning it's boolean representation, otherwise it does return %FALSE.
 349  *
 350  * Returns: the boolean representation of the unlink-temp-file value or %FALSE
 351  *          in other case.
 352  */
 353 static gboolean
 354 get_unlink_temp_file_from_args (GHashTable *args)
 355 {
 356         gboolean unlink_temp_file = FALSE;
 357         GValue  *value = NULL;
 358
 359         g_assert (args != NULL);
 360
 361         value = g_hash_table_lookup (args, "unlink-temp-file");
 362         if (value) {
 363                 unlink_temp_file = g_value_get_boolean (value);
 364         }
 365
 366         return unlink_temp_file;
 367 }
 368
 369 static const gchar *
 370 get_print_settings_from_args (GHashTable *args)
 371 {
 372         const gchar *print_settings = NULL;
 373         GValue      *value = NULL;
 374
 375         g_assert (args != NULL);
 376
 377         value = g_hash_table_lookup (args, "print-settings");
 378         if (value) {
 379                 print_settings = g_value_get_string (value);
 380         }
 381
 382         return print_settings;
 383 }
 384
 385 /**
 386  * ev_application_open_window:
 387  * @application: The instance of the application.
 388  * @args: A #GHashTable with the arguments data.
 389  * @timestamp: Current time value.
 390  * @error: The #GError facility.
 391  *
 392  * Creates a new window and if the args are available, it's not NULL, it gets
 393  * the screen from them and assigns the just created window to it. At last it
 394  * does show it.
 395  *
 396  * Returns: %TRUE.
 397  */
 398 gboolean
 399 ev_application_open_window (EvApplication  *application,
 400                             GHashTable     *args,
 401                             guint32         timestamp,
 402                             GError        **error)
 403 {
 404         GtkWidget *new_window = ev_window_new ();
 405         GdkScreen *screen = NULL;
 406
 407         if (args) {
 408                 screen = get_screen_from_args (args);
 409         }
 410
 411         if (screen) {
 412                 gtk_window_set_screen (GTK_WINDOW (new_window), screen);
 413         }
 414         ev_application_add_icon_path_for_screen (screen);
 415
 416         gtk_widget_show (new_window);
 417
 418         gtk_window_present_with_time (GTK_WINDOW (new_window),
 419                                       timestamp);
 420         return TRUE;
 421 }
 422
 423 /**
 424  * ev_application_get_empty_window:
 425  * @application: The instance of the application.
 426  * @screen: The screen where the empty window will be search.
 427  *
 428  * It does look if there is any empty window in the indicated screen.
 429  *
 430  * Returns: The first empty #EvWindow in the passed #GdkScreen or NULL in other
 431  *          case.
 432  */
 433 static EvWindow *
 434 ev_application_get_empty_window (EvApplication *application,
 435                                  GdkScreen     *screen)
 436 {
 437         EvWindow *empty_window = NULL;
 438         GList *windows = ev_application_get_windows (application);
 439         GList *l;
 440
 441         for (l = windows; l != NULL; l = l->next) {
 442                 EvWindow *window = EV_WINDOW (l->data);
 443
 444                 if (ev_window_is_empty (window) &&
 445                     gtk_window_get_screen (GTK_WINDOW (window)) == screen) {
 446                         empty_window = window;
 447                         break;
 448                 }
 449         }
 450
 451         g_list_free (windows);
 452
 453         return empty_window;
 454 }
 455
 456 /**
 457  * ev_application_get_uri_window:
 458  * @application: The instance of the application.
 459  * @uri: The uri to be opened.
 460  *
 461  * It looks in the list of the windows for the one with the document represented
 462  * by the passed uri on it. If the window is empty or the document isn't present
 463  * on any window, it will return NULL.
 464  *
 465  * Returns: The #EvWindow where the document represented by the passed uri is
 466  *          shown, NULL in other case.
 467  */
 468 static EvWindow *
 469 ev_application_get_uri_window (EvApplication *application, const char *uri)
 470 {
 471         EvWindow *uri_window = NULL;
 472         GList *windows = gtk_window_list_toplevels ();
 473         GList *l;
 474
 475         g_return_val_if_fail (uri != NULL, NULL);
 476
 477         for (l = windows; l != NULL; l = l->next) {
 478                 if (EV_IS_WINDOW (l->data)) {
 479                         EvWindow *window = EV_WINDOW (l->data);
 480                         const char *window_uri = ev_window_get_uri (window);
 481
 482                         if (window_uri && strcmp (window_uri, uri) == 0 && !ev_window_is_empty (window)) {
 483                                 uri_window = window;
 484                                 break;
 485                         }
 486                 }
 487         }
 488
 489         g_list_free (windows);
 490
 491         return uri_window;
 492 }
 493
 494 static void
 495 ev_application_add_icon_path_for_screen (GdkScreen *screen)
 496 {
 497         GtkIconTheme *icon_theme;
 498
 499         icon_theme = gtk_icon_theme_get_for_screen (screen);
 500         if (icon_theme) {
 501                 gchar **path = NULL;
 502                 gint    n_paths;
 503                 gint    i;
 504                 gchar  *ev_icons_path;
 505
 506                 /* GtkIconTheme will then look in Evince custom hicolor dir
 507                  * for icons as well as the standard search paths
 508                  */
 509                 ev_icons_path = g_build_filename (DATADIR, "icons", NULL);
 510                 gtk_icon_theme_get_search_path (icon_theme, &path, &n_paths);
 511                 for (i = n_paths - 1; i >= 0; i--) {
 512                         if (g_ascii_strcasecmp (ev_icons_path, path[i]) == 0)
 513                                 break;
 514                 }
 515
 516                 if (i < 0)
 517                         gtk_icon_theme_append_search_path (icon_theme,
 518                                                            ev_icons_path);
 519
 520                 g_free (ev_icons_path);
 521                 g_strfreev (path);
 522         }
 523 }
 524
 525 /**
 526  * ev_application_open_uri_at_dest:
 527  * @application: The instance of the application.
 528  * @uri: The uri to be opened.
 529  * @screen: Thee screen where the link will be shown.
 530  * @dest: The #EvLinkDest of the document.
 531  * @mode: The run mode of the window.
 532  * @unlink_temp_file: The unlink_temp_file option value.
 533  * @timestamp: Current time value.
 534  */
 535 void
 536 ev_application_open_uri_at_dest (EvApplication  *application,
 537                                  const char     *uri,
 538                                  GdkScreen      *screen,
 539                                  EvLinkDest     *dest,
 540                                  EvWindowRunMode mode,
 541                                  const gchar    *search_string,
 542                                  gboolean        unlink_temp_file,
 543                                  const gchar    *print_settings,
 544                                  guint           timestamp)
 545 {
 546         EvWindow *new_window;
 547
 548         g_return_if_fail (uri != NULL);
 549
 550         ev_application_add_icon_path_for_screen (screen);
 551
 552         new_window = ev_application_get_uri_window (application, uri);
 553
 554         if (new_window == NULL) {
 555                 new_window = ev_application_get_empty_window (application, screen);
 556         }
 557
 558         if (new_window == NULL) {
 559                 new_window = EV_WINDOW (ev_window_new ());
 560         }
 561
 562         if (screen)
 563                 gtk_window_set_screen (GTK_WINDOW (new_window), screen);
 564
 565         /* We need to load uri before showing the window, so
 566            we can restore window size without flickering */
 567         ev_window_open_uri (new_window, uri, dest, mode, search_string,
 568                             unlink_temp_file, print_settings);
 569
 570         ev_document_fc_mutex_lock ();
 571         gtk_widget_show (GTK_WIDGET (new_window));
 572         ev_document_fc_mutex_unlock ();
 573
 574         gtk_window_present_with_time (GTK_WINDOW (new_window),
 575                                       timestamp);
 576 }
 577
 578 /**
 579  * ev_application_open_uri:
 580  * @application: The instance of the application.
 581  * @uri: The uri to be opened
 582  * @args: A #GHashTable with the arguments data.
 583  * @timestamp: Current time value.
 584  * @error: The #GError facility.
 585  */
 586 gboolean
 587 ev_application_open_uri (EvApplication  *application,
 588                          const char     *uri,
 589                          GHashTable     *args,
 590                          guint           timestamp,
 591                          GError        **error)
 592 {
 593         EvLinkDest      *dest = NULL;
 594         EvWindowRunMode  mode = EV_WINDOW_MODE_NORMAL;
 595         const gchar     *search_string = NULL;
 596         gboolean         unlink_temp_file = FALSE;
 597         const gchar     *print_settings = NULL;
 598         GdkScreen       *screen = NULL;
 599
 600         if (args) {
 601                 screen = get_screen_from_args (args);
 602                 dest = get_destination_from_args (args);
 603                 mode = get_window_run_mode_from_args (args);
 604                 search_string = get_find_string_from_args (args);
 605                 unlink_temp_file = (mode == EV_WINDOW_MODE_PREVIEW &&
 606                                     get_unlink_temp_file_from_args (args));
 607                 print_settings = get_print_settings_from_args (args);
 608         }
 609
 610         ev_application_open_uri_at_dest (application, uri, screen,
 611                                          dest, mode, search_string,
 612                                          unlink_temp_file,
 613                                          print_settings, timestamp);
 614
 615         if (dest)
 616                 g_object_unref (dest);
 617
 618         return TRUE;
 619 }
 620
 621 void
 622 ev_application_open_uri_list (EvApplication *application,
 623                               GSList        *uri_list,
 624                               GdkScreen     *screen,
 625                               guint          timestamp)
 626 {
 627         GSList *l;
 628
 629         for (l = uri_list; l != NULL; l = l->next) {
 630                 ev_application_open_uri_at_dest (application, (char *)l->data,
 631                                                  screen, NULL, 0, NULL,
 632                                                  FALSE, NULL, timestamp);
 633         }
 634 }
 635
 636 void
 637 ev_application_shutdown (EvApplication *application)
 638 {
 639         if (application->toolbars_model) {
 640                 g_object_unref (application->toolbars_model);
 641                 g_free (application->toolbars_file);
 642                 application->toolbars_model = NULL;
 643                 application->toolbars_file = NULL;
 644         }
 645
 646 #if GTK_CHECK_VERSION (2, 11, 0)
 647         if (application->print_settings_file) {
 648                 if (application->print_settings) {
 649                         GError *error = NULL;
 650
 651                         gtk_print_settings_to_file (application->print_settings,
 652                                                     application->print_settings_file,
 653                                                     &error);
 654                         if (error) {
 655                                 g_warning ("%s", error->message);
 656                                 g_error_free (error);
 657                         }
 658
 659                         g_object_unref (application->print_settings);
 660                         application->print_settings = NULL;
 661                 }
 662
 663                 g_free (application->print_settings_file);
 664                 application->print_settings_file = NULL;
 665         }
 666 #else /* ! GTK 2.11.0 */
 667         if (application->print_settings) {
 668                 g_object_unref (application->print_settings);
 669                 application->print_settings = NULL;
 670         }
 671 #endif /* GTK 2.11.0 */
 672
 673         g_free (application->last_chooser_uri);
 674         g_object_unref (application);
 675
 676         gtk_main_quit ();
 677 }
 678
 679 static void
 680 ev_application_class_init (EvApplicationClass *ev_application_class)
 681 {
 682 }
 683
 684 static void
 685 ev_application_init (EvApplication *ev_application)
 686 {
 687         gint i;
 688
 689 #if WITH_GNOME
 690         init_session (ev_application);
 691 #endif
 692
 693         ev_application->toolbars_model = egg_toolbars_model_new ();
 694
 695         ev_application->toolbars_file = g_build_filename
 696                         (ev_dot_dir (), "evince_toolbar.xml", NULL);
 697
 698         egg_toolbars_model_load_names (ev_application->toolbars_model,
 699                                        DATADIR "/evince-toolbar.xml");
 700
 701         if (!egg_toolbars_model_load_toolbars (ev_application->toolbars_model,
 702                                                ev_application->toolbars_file)) {
 703                 egg_toolbars_model_load_toolbars (ev_application->toolbars_model,
 704                                                   DATADIR"/evince-toolbar.xml");
 705         }
 706
 707         /* Open item doesn't exist anymore,
 708          * convert it to OpenRecent for compatibility
 709          */
 710         for (i = 0; i < egg_toolbars_model_n_items (ev_application->toolbars_model, 0); i++) {
 711                 const gchar *item;
 712
 713                 item = egg_toolbars_model_item_nth (ev_application->toolbars_model, 0, i);
 714                 if (g_ascii_strcasecmp (item, "FileOpen") == 0) {
 715                         egg_toolbars_model_remove_item (ev_application->toolbars_model, 0, i);
 716                         egg_toolbars_model_add_item (ev_application->toolbars_model, 0, i,
 717                                                      "FileOpenRecent");
 718                         ev_application_save_toolbars_model (ev_application);
 719                         break;
 720                 }
 721         }
 722
 723         egg_toolbars_model_set_flags (ev_application->toolbars_model, 0,
 724                                       EGG_TB_MODEL_NOT_REMOVABLE);
 725
 726 #ifdef ENABLE_DBUS
 727         ev_application->keys = ev_media_player_keys_new ();
 728 #endif /* ENABLE_DBUS */
 729 }
 730
 731 /**
 732  * ev_application_get_windows:
 733  * @application: The instance of the application.
 734  *
 735  * It creates a list of the top level windows.
 736  *
 737  * Returns: A #GList of the top level windows.
 738  */
 739 GList *
 740 ev_application_get_windows (EvApplication *application)
 741 {
 742         GList *l, *toplevels;
 743         GList *windows = NULL;
 744
 745         toplevels = gtk_window_list_toplevels ();
 746
 747         for (l = toplevels; l != NULL; l = l->next) {
 748                 if (EV_IS_WINDOW (l->data)) {
 749                         windows = g_list_append (windows, l->data);
 750                 }
 751         }
 752
 753         g_list_free (toplevels);
 754
 755         return windows;
 756 }
 757
 758 /**
 759  * ev_application_get_media_keys:
 760  * @application: The instance of the application.
 761  *
 762  * It gives you access to the media player keys handler object.
 763  *
 764  * Returns: A #EvMediaPlayerKeys.
 765  */
 766 GObject
 767 *ev_application_get_media_keys (EvApplication *application)
 768 {
 769 #ifdef ENABLE_DBUS
 770         if (!application->keys)
 771                 return NULL;
 772         return g_object_ref (G_OBJECT (application->keys));
 773 #else
 774         return NULL;
 775 #endif /* ENABLE_DBUS */
 776 }
 777
 778 EggToolbarsModel *
 779 ev_application_get_toolbars_model (EvApplication *application)
 780 {
 781         return application->toolbars_model;
 782 }
 783
 784 void
 785 ev_application_save_toolbars_model (EvApplication *application)
 786 {
 787         egg_toolbars_model_save_toolbars (application->toolbars_model,
 788                                           application->toolbars_file, "1.0");
 789 }
 790
 791 void
 792 ev_application_set_chooser_uri (EvApplication *application, const gchar *uri)
 793 {
 794         g_free (application->last_chooser_uri);
 795         application->last_chooser_uri = g_strdup (uri);
 796 }
 797
 798 const gchar *
 799 ev_application_get_chooser_uri (EvApplication *application)
 800 {
 801         return application->last_chooser_uri;
 802 }
 803
 804 void
 805 ev_application_screensaver_enable (EvApplication *application)
 806 {
 807         if (application->scr_saver)
 808                 totem_scrsaver_enable (application->scr_saver);
 809 }
 810
 811 void
 812 ev_application_screensaver_disable (EvApplication *application)
 813 {
 814         if (application->scr_saver)
 815                 totem_scrsaver_disable (application->scr_saver);
 816 }
 817
 818 GtkPrintSettings *
 819 ev_application_get_print_settings (EvApplication *application)
 820 {
 821         if (application->print_settings)
 822                 return application->print_settings;
 823
 824 #if GTK_CHECK_VERSION (2, 11, 0)
 825         if (!application->print_settings_file) {
 826                 application->print_settings_file =
 827                         g_build_filename (ev_dot_dir (), "print-settings", NULL);
 828         }
 829
 830         if (g_file_test (application->print_settings_file, G_FILE_TEST_IS_REGULAR)) {
 831                 GError *error = NULL;
 832
 833                 application->print_settings =
 834                         gtk_print_settings_new_from_file (application->print_settings_file, &error);
 835
 836                 if (error) {
 837                         g_warning ("%s", error->message);
 838                         g_error_free (error);
 839                 } else {
 840                         return application->print_settings;
 841                 }
 842         }
 843 #endif /* GTK 2.11.0 */
 844
 845         application->print_settings = gtk_print_settings_new ();
 846
 847         return application->print_settings;
 848 }
 849
 850 void
 851 ev_application_set_print_settings (EvApplication    *application,
 852                                    GtkPrintSettings *settings)
 853 {
 854         g_return_if_fail (GTK_IS_PRINT_SETTINGS (settings));
 855
 856         if (settings == application->print_settings)
 857                 return;
 858
 859         if (application->print_settings)
 860                 g_object_unref (application->print_settings);
 861
 862         application->print_settings = g_object_ref (settings);
 863 }
 864