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 "ev-application.h"
  24 #include "ev-utils.h"
  25 #include "ev-file-helpers.h"
  26 #include "ev-document-factory.h"
  27 #include "totem-scrsaver.h"
  28
  29 #include <glib.h>
  30 #include <glib/gi18n.h>
  31 #include <glib-object.h>
  32 #include <gtk/gtkfilechooserdialog.h>
  33 #include <gtk/gtkstock.h>
  34 #include <gtk/gtkwidget.h>
  35 #include <gtk/gtkmain.h>
  36
  37 #if WITH_GNOME
  38 #include <libgnomeui/gnome-client.h>
  39 #endif
  40
  41 #ifdef ENABLE_DBUS
  42 #include "ev-application-service.h"
  43 #include <dbus/dbus-glib-bindings.h>
  44 #endif
  45
  46 #include <string.h>
  47
  48 static void ev_application_add_icon_path_for_screen (GdkScreen *screen);
  49
  50 struct _EvApplication {
  51         GObject base_instance;
  52
  53         gchar *toolbars_file;
  54
  55         EggToolbarsModel *toolbars_model;
  56
  57 #ifndef HAVE_GTK_RECENT
  58         EggRecentModel  *recent_model;
  59 #endif
  60
  61         TotemScrsaver *scr_saver;
  62
  63         gchar *last_chooser_uri;
  64
  65 #ifdef WITH_GTK_PRINT
  66         GtkPrintSettings *print_settings;
  67 #if GTK_CHECK_VERSION (2, 11, 0)
  68         gchar            *print_settings_file;
  69 #endif
  70 #endif
  71 };
  72
  73 struct _EvApplicationClass {
  74         GObjectClass base_class;
  75 };
  76
  77 G_DEFINE_TYPE (EvApplication, ev_application, G_TYPE_OBJECT);
  78
  79 #define APPLICATION_SERVICE_NAME "org.gnome.evince.ApplicationService"
  80
  81 #ifdef ENABLE_DBUS
  82 gboolean
  83 ev_application_register_service (EvApplication *application)
  84 {
  85         static DBusGConnection *connection = NULL;
  86         DBusGProxy *driver_proxy;
  87         GError *err = NULL;
  88         guint request_name_result;
  89
  90         if (connection) {
  91                 g_warning ("Service already registered.");
  92                 return FALSE;
  93         }
  94
  95         connection = dbus_g_bus_get (DBUS_BUS_STARTER, &err);
  96         if (connection == NULL) {
  97                 g_warning ("Service registration failed.");
  98                 g_error_free (err);
  99
 100                 return FALSE;
 101         }
 102
 103         driver_proxy = dbus_g_proxy_new_for_name (connection,
 104                                                   DBUS_SERVICE_DBUS,
 105                                                   DBUS_PATH_DBUS,
 106                                                   DBUS_INTERFACE_DBUS);
 107
 108         if (!org_freedesktop_DBus_request_name (driver_proxy,
 109                                                 APPLICATION_SERVICE_NAME,
 110                                                 DBUS_NAME_FLAG_DO_NOT_QUEUE,
 111                                                 &request_name_result, &err)) {
 112                 g_warning ("Service registration failed.");
 113                 g_clear_error (&err);
 114         }
 115
 116         g_object_unref (driver_proxy);
 117
 118         if (request_name_result == DBUS_REQUEST_NAME_REPLY_EXISTS) {
 119                 return FALSE;
 120         }
 121
 122         dbus_g_object_type_install_info (EV_TYPE_APPLICATION,
 123                                          &dbus_glib_ev_application_object_info);
 124         dbus_g_connection_register_g_object (connection,
 125                                              "/org/gnome/evince/Evince",
 126                                              G_OBJECT (application));
 127
 128         application->scr_saver = totem_scrsaver_new (connection);
 129
 130         return TRUE;
 131 }
 132 #endif /* ENABLE_DBUS */
 133
 134 /**
 135  * ev_application_get_instance:
 136  *
 137  * Checks for #EvApplication instance, if it doesn't exist it does create it.
 138  *
 139  * Returns: an instance of the #EvApplication data.
 140  */
 141 EvApplication *
 142 ev_application_get_instance (void)
 143 {
 144         static EvApplication *instance;
 145
 146         if (!instance) {
 147                 instance = EV_APPLICATION (g_object_new (EV_TYPE_APPLICATION, NULL));
 148         }
 149
 150         return instance;
 151 }
 152
 153 #if WITH_GNOME
 154 static void
 155 removed_from_session (GnomeClient *client, EvApplication *application)
 156 {
 157         ev_application_shutdown (application);
 158 }
 159
 160 static gint
 161 save_session (GnomeClient *client, gint phase, GnomeSaveStyle save_style, gint shutdown,
 162               GnomeInteractStyle interact_style, gint fast, EvApplication *application)
 163 {
 164         GList *windows, *l;
 165         char **restart_argv;
 166         int argc = 0, k;
 167
 168         windows = ev_application_get_windows (application);
 169         restart_argv = g_new (char *, g_list_length (windows) + 1);
 170         restart_argv[argc++] = g_strdup ("evince");
 171
 172         for (l = windows; l != NULL; l = l->next) {
 173                 EvWindow *window = EV_WINDOW (l->data);
 174                 restart_argv[argc++] = g_strdup (ev_window_get_uri (window));
 175         }
 176
 177         gnome_client_set_restart_command (client, argc, restart_argv);
 178
 179         for (k = 0; k < argc; k++) {
 180                 g_free (restart_argv[k]);
 181         }
 182
 183         g_list_free (windows);
 184         g_free (restart_argv);
 185
 186         return TRUE;
 187 }
 188
 189 static void
 190 init_session (EvApplication *application)
 191 {
 192         GnomeClient *client;
 193
 194         client = gnome_master_client ();
 195
 196         g_signal_connect (client, "save_yourself",
 197                           G_CALLBACK (save_session), application);
 198         g_signal_connect (client, "die",
 199                           G_CALLBACK (removed_from_session), application);
 200 }
 201 #endif
 202
 203 /**
 204  * ev_display_open_if_needed:
 205  * @name: the name of the display to be open if it's needed.
 206  *
 207  * Search among all the open displays if any of them have the same name as the
 208  * passed name. If the display isn't found it tries the open it.
 209  *
 210  * Returns: a #GdkDisplay of the display with the passed name.
 211  */
 212 static GdkDisplay *
 213 ev_display_open_if_needed (const gchar *name)
 214 {
 215         GSList     *displays;
 216         GSList     *l;
 217         GdkDisplay *display = NULL;
 218
 219         displays = gdk_display_manager_list_displays (gdk_display_manager_get ());
 220
 221         for (l = displays; l != NULL; l = l->next) {
 222                 const gchar *display_name = gdk_display_get_name ((GdkDisplay *) l->data);
 223
 224                 if (g_ascii_strcasecmp (display_name, name) == 0) {
 225                         display = l->data;
 226                         break;
 227                 }
 228         }
 229
 230         g_slist_free (displays);
 231
 232         return display != NULL ? display : gdk_display_open (name);
 233 }
 234
 235 /**
 236  * get_screen_from_args:
 237  * @args: a #GHashTable with data passed to the application.
 238  *
 239  * Looks for the screen in the display available in the hash table passed to the
 240  * application. If the display isn't opened, it's opened and the #GdkScreen
 241  * assigned to the screen in that display returned.
 242  *
 243  * Returns: the #GdkScreen assigned to the screen on the display indicated by
 244  *          the data on the #GHashTable.
 245  */
 246 static GdkScreen *
 247 get_screen_from_args (GHashTable *args)
 248 {
 249         GValue     *value = NULL;
 250         GdkDisplay *display = NULL;
 251         GdkScreen  *screen = NULL;
 252
 253         g_assert (args != NULL);
 254
 255         value = g_hash_table_lookup (args, "display");
 256         if (value) {
 257                 const gchar *display_name;
 258
 259                 display_name = g_value_get_string (value);
 260                 display = ev_display_open_if_needed (display_name);
 261         }
 262
 263         value = g_hash_table_lookup (args, "screen");
 264         if (value) {
 265                 gint screen_number;
 266
 267                 screen_number = g_value_get_int (value);
 268                 screen = gdk_display_get_screen (display, screen_number);
 269         }
 270
 271         return screen;
 272 }
 273
 274 /**
 275  * get_window_run_mode_from_args:
 276  * @args: a #GHashTable with data passed to the application.
 277  *
 278  * It does look if the mode option has been passed from command line, using it
 279  * as the window run mode, otherwise the run mode will be the normal mode.
 280  *
 281  * Returns: The window run mode passed from command line or
 282  *          EV_WINDOW_MODE_NORMAL in other case.
 283  */
 284 static EvWindowRunMode
 285 get_window_run_mode_from_args (GHashTable *args)
 286 {
 287         EvWindowRunMode  mode = EV_WINDOW_MODE_NORMAL;
 288         GValue          *value = NULL;
 289
 290         g_assert (args != NULL);
 291
 292         value = g_hash_table_lookup (args, "mode");
 293         if (value) {
 294                 mode = g_value_get_uint (value);
 295         }
 296
 297         return mode;
 298 }
 299
 300 /**
 301  * get_destination_from_args:
 302  * @args: a #GHashTable with data passed to the application.
 303  *
 304  * It does look for the page-label argument parsed from the command line and
 305  * if it does exist, it returns an #EvLinkDest.
 306  *
 307  * Returns: An #EvLinkDest to page-label if it has been passed from the command
 308  *          line, NULL in other case.
 309  */
 310 static EvLinkDest *
 311 get_destination_from_args (GHashTable *args)
 312 {
 313         EvLinkDest *dest = NULL;
 314         GValue     *value = NULL;
 315
 316         g_assert (args != NULL);
 317
 318         value = g_hash_table_lookup (args, "page-label");
 319         if (value) {
 320                 const gchar *page_label;
 321
 322                 page_label = g_value_get_string (value);
 323                 dest = ev_link_dest_new_page_label (page_label);
 324         }
 325
 326         return dest;
 327 }
 328
 329 /**
 330  * get_unlink_temp_file_from_args:
 331  * @args: a #GHashTable with data passed to the application.
 332  *
 333  * It does look if the unlink-temp-file option has been passed from the command
 334  * line returning it's boolean representation, otherwise it does return %FALSE.
 335  *
 336  * Returns: the boolean representation of the unlink-temp-file value or %FALSE
 337  *          in other case.
 338  */
 339 static gboolean
 340 get_unlink_temp_file_from_args (GHashTable *args)
 341 {
 342         gboolean unlink_temp_file = FALSE;
 343         GValue  *value = NULL;
 344
 345         g_assert (args != NULL);
 346
 347         value = g_hash_table_lookup (args, "unlink-temp-file");
 348         if (value) {
 349                 unlink_temp_file = g_value_get_boolean (value);
 350         }
 351
 352         return unlink_temp_file;
 353 }
 354
 355 /**
 356  * ev_application_open_window:
 357  * @application: The instance of the application.
 358  * @args: A #GHashTable with the arguments data.
 359  * @timestamp: Current time value.
 360  * @error: The #GError facility.
 361  *
 362  * Creates a new window and if the args are available, it's not NULL, it gets
 363  * the screen from them and assigns the just created window to it. At last it
 364  * does show it.
 365  *
 366  * Returns: %TRUE.
 367  */
 368 gboolean
 369 ev_application_open_window (EvApplication  *application,
 370                             GHashTable     *args,
 371                             guint32         timestamp,
 372                             GError        **error)
 373 {
 374         GtkWidget *new_window = ev_window_new ();
 375         GdkScreen *screen = NULL;
 376
 377         if (args) {
 378                 screen = get_screen_from_args (args);
 379         }
 380
 381         if (screen) {
 382                 gtk_window_set_screen (GTK_WINDOW (new_window), screen);
 383         }
 384         ev_application_add_icon_path_for_screen (screen);
 385
 386         gtk_widget_show (new_window);
 387
 388         gtk_window_present_with_time (GTK_WINDOW (new_window),
 389                                       timestamp);
 390         return TRUE;
 391 }
 392
 393 /**
 394  * ev_application_get_empty_window:
 395  * @application: The instance of the application.
 396  * @screen: The screen where the empty window will be search.
 397  *
 398  * It does look if there is any empty window in the indicated screen.
 399  *
 400  * Returns: The first empty #EvWindow in the passed #GdkScreen or NULL in other
 401  *          case.
 402  */
 403 static EvWindow *
 404 ev_application_get_empty_window (EvApplication *application,
 405                                  GdkScreen     *screen)
 406 {
 407         EvWindow *empty_window = NULL;
 408         GList *windows = ev_application_get_windows (application);
 409         GList *l;
 410
 411         for (l = windows; l != NULL; l = l->next) {
 412                 EvWindow *window = EV_WINDOW (l->data);
 413
 414                 if (ev_window_is_empty (window) &&
 415                     gtk_window_get_screen (GTK_WINDOW (window)) == screen) {
 416                         empty_window = window;
 417                         break;
 418                 }
 419         }
 420
 421         g_list_free (windows);
 422
 423         return empty_window;
 424 }
 425
 426 /**
 427  * ev_application_get_uri_window:
 428  * @application: The instance of the application.
 429  * @uri: The uri to be opened.
 430  *
 431  * It looks in the list of the windows for the one with the document represented
 432  * by the passed uri on it. If the window is empty or the document isn't present
 433  * on any window, it will return NULL.
 434  *
 435  * Returns: The #EvWindow where the document represented by the passed uri is
 436  *          shown, NULL in other case.
 437  */
 438 static EvWindow *
 439 ev_application_get_uri_window (EvApplication *application, const char *uri)
 440 {
 441         EvWindow *uri_window = NULL;
 442         GList *windows = gtk_window_list_toplevels ();
 443         GList *l;
 444
 445         g_return_val_if_fail (uri != NULL, NULL);
 446
 447         for (l = windows; l != NULL; l = l->next) {
 448                 if (EV_IS_WINDOW (l->data)) {
 449                         EvWindow *window = EV_WINDOW (l->data);
 450                         const char *window_uri = ev_window_get_uri (window);
 451
 452                         if (window_uri && strcmp (window_uri, uri) == 0 && !ev_window_is_empty (window)) {
 453                                 uri_window = window;
 454                                 break;
 455                         }
 456                 }
 457         }
 458
 459         g_list_free (windows);
 460
 461         return uri_window;
 462 }
 463
 464 static void
 465 ev_application_add_icon_path_for_screen (GdkScreen *screen)
 466 {
 467         GtkIconTheme *icon_theme;
 468
 469         icon_theme = gtk_icon_theme_get_for_screen (screen);
 470         if (icon_theme) {
 471                 gchar **path = NULL;
 472                 gint    n_paths;
 473                 gint    i;
 474                 gchar  *ev_icons_path;
 475
 476                 /* GtkIconTheme will then look in Evince custom hicolor dir
 477                  * for icons as well as the standard search paths
 478                  */
 479                 ev_icons_path = g_build_filename (DATADIR, "icons", NULL);
 480                 gtk_icon_theme_get_search_path (icon_theme, &path, &n_paths);
 481                 for (i = n_paths - 1; i >= 0; i--) {
 482                         if (g_ascii_strcasecmp (ev_icons_path, path[i]) == 0)
 483                                 break;
 484                 }
 485
 486                 if (i < 0)
 487                         gtk_icon_theme_append_search_path (icon_theme,
 488                                                            ev_icons_path);
 489
 490                 g_free (ev_icons_path);
 491                 g_strfreev (path);
 492         }
 493 }
 494
 495 /**
 496  * ev_application_open_uri_at_dest:
 497  * @application: The instance of the application.
 498  * @uri: The uri to be opened.
 499  * @screen: Thee screen where the link will be shown.
 500  * @dest: The #EvLinkDest of the document.
 501  * @mode: The run mode of the window.
 502  * @unlink_temp_file: The unlink_temp_file option value.
 503  * @timestamp: Current time value.
 504  */
 505 void
 506 ev_application_open_uri_at_dest (EvApplication  *application,
 507                                  const char     *uri,
 508                                  GdkScreen      *screen,
 509                                  EvLinkDest     *dest,
 510                                  EvWindowRunMode mode,
 511                                  gboolean        unlink_temp_file,
 512                                  guint           timestamp)
 513 {
 514         EvWindow     *new_window;
 515
 516         g_return_if_fail (uri != NULL);
 517
 518         ev_application_add_icon_path_for_screen (screen);
 519
 520         new_window = ev_application_get_uri_window (application, uri);
 521
 522         if (new_window == NULL) {
 523                 new_window = ev_application_get_empty_window (application, screen);
 524         }
 525
 526         if (new_window == NULL) {
 527                 new_window = EV_WINDOW (ev_window_new ());
 528         }
 529
 530         if (screen)
 531                 gtk_window_set_screen (GTK_WINDOW (new_window), screen);
 532
 533         /* We need to load uri before showing the window, so
 534            we can restore window size without flickering */
 535         ev_window_open_uri (new_window, uri, dest, mode, unlink_temp_file);
 536
 537         ev_document_fc_mutex_lock ();
 538         gtk_widget_show (GTK_WIDGET (new_window));
 539         ev_document_fc_mutex_unlock ();
 540
 541         gtk_window_present_with_time (GTK_WINDOW (new_window),
 542                                       timestamp);
 543 }
 544
 545 /**
 546  * ev_application_open_uri:
 547  * @application: The instance of the application.
 548  * @uri: The uri to be opened
 549  * @args: A #GHashTable with the arguments data.
 550  * @timestamp: Current time value.
 551  * @error: The #GError facility.
 552  */
 553 gboolean
 554 ev_application_open_uri (EvApplication  *application,
 555                          const char     *uri,
 556                          GHashTable     *args,
 557                          guint           timestamp,
 558                          GError        **error)
 559 {
 560         EvLinkDest      *dest = NULL;
 561         EvWindowRunMode  mode = EV_WINDOW_MODE_NORMAL;
 562         gboolean         unlink_temp_file = FALSE;
 563         GdkScreen       *screen = NULL;
 564
 565         if (args) {
 566                 screen = get_screen_from_args (args);
 567                 dest = get_destination_from_args (args);
 568                 mode = get_window_run_mode_from_args (args);
 569                 unlink_temp_file = (mode == EV_WINDOW_MODE_PREVIEW &&
 570                                     get_unlink_temp_file_from_args (args));
 571         }
 572
 573         ev_application_open_uri_at_dest (application, uri, screen,
 574                                          dest, mode, unlink_temp_file,
 575                                          timestamp);
 576
 577         if (dest)
 578                 g_object_unref (dest);
 579
 580         return TRUE;
 581 }
 582
 583 void
 584 ev_application_open_uri_list (EvApplication *application,
 585                               GSList        *uri_list,
 586                               GdkScreen     *screen,
 587                               guint          timestamp)
 588 {
 589         GSList *l;
 590
 591         for (l = uri_list; l != NULL; l = l->next) {
 592                 ev_application_open_uri_at_dest (application, (char *)l->data,
 593                                                  screen, NULL, 0, FALSE,
 594                                                  timestamp);
 595         }
 596 }
 597
 598 void
 599 ev_application_shutdown (EvApplication *application)
 600 {
 601         if (application->toolbars_model) {
 602                 g_object_unref (application->toolbars_model);
 603                 g_free (application->toolbars_file);
 604                 application->toolbars_model = NULL;
 605                 application->toolbars_file = NULL;
 606         }
 607
 608 #ifndef HAVE_GTK_RECENT
 609         if (application->recent_model) {
 610                 g_object_unref (application->recent_model);
 611                 application->recent_model = NULL;
 612         }
 613 #endif
 614
 615 #ifdef WITH_GTK_PRINT
 616 #if GTK_CHECK_VERSION (2, 11, 0)
 617         if (application->print_settings_file) {
 618                 if (application->print_settings) {
 619                         GError *error = NULL;
 620
 621                         gtk_print_settings_to_file (application->print_settings,
 622                                                     application->print_settings_file,
 623                                                     &error);
 624                         if (error) {
 625                                 g_warning (error->message);
 626                                 g_error_free (error);
 627                         }
 628
 629                         g_object_unref (application->print_settings);
 630                         application->print_settings = NULL;
 631                 }
 632
 633                 g_free (application->print_settings_file);
 634                 application->print_settings_file = NULL;
 635         }
 636 #else /* ! GTK 2.11.0 */
 637         if (application->print_settings) {
 638                 g_object_unref (application->print_settings);
 639                 application->print_settings = NULL;
 640         }
 641 #endif /* GTK 2.11.0 */
 642 #endif /* WITH_GTK_PRINT */
 643
 644         g_free (application->last_chooser_uri);
 645         g_object_unref (application);
 646
 647         gtk_main_quit ();
 648 }
 649
 650 static void
 651 ev_application_class_init (EvApplicationClass *ev_application_class)
 652 {
 653 }
 654
 655 static void
 656 ev_application_init (EvApplication *ev_application)
 657 {
 658 #if WITH_GNOME
 659         init_session (ev_application);
 660 #endif
 661
 662         ev_application->toolbars_model = egg_toolbars_model_new ();
 663
 664         ev_application->toolbars_file = g_build_filename
 665                         (ev_dot_dir (), "evince_toolbar.xml", NULL);
 666
 667         egg_toolbars_model_load_names (ev_application->toolbars_model,
 668                                        DATADIR "/evince-toolbar.xml");
 669
 670         if (!egg_toolbars_model_load_toolbars (ev_application->toolbars_model,
 671                                                ev_application->toolbars_file)) {
 672                 egg_toolbars_model_load_toolbars (ev_application->toolbars_model,
 673                                                   DATADIR"/evince-toolbar.xml");
 674         }
 675
 676         egg_toolbars_model_set_flags (ev_application->toolbars_model, 0,
 677                                       EGG_TB_MODEL_NOT_REMOVABLE);
 678
 679 #ifndef HAVE_GTK_RECENT
 680         ev_application->recent_model = egg_recent_model_new (EGG_RECENT_MODEL_SORT_MRU);
 681         /* FIXME we should add a mime type filter but current eggrecent
 682            has only a varargs style api which does not work well when
 683            the list of mime types is dynamic */
 684         egg_recent_model_set_limit (ev_application->recent_model, 5);
 685         egg_recent_model_set_filter_groups (ev_application->recent_model,
 686                                             "Evince", NULL);
 687 #endif /* HAVE_GTK_RECENT */
 688 }
 689
 690 /**
 691  * ev_application_get_windows:
 692  * @application: The instance of the application.
 693  *
 694  * It creates a list of the top level windows.
 695  *
 696  * Returns: A #GList of the top level windows.
 697  */
 698 GList *
 699 ev_application_get_windows (EvApplication *application)
 700 {
 701         GList *l, *toplevels;
 702         GList *windows = NULL;
 703
 704         toplevels = gtk_window_list_toplevels ();
 705
 706         for (l = toplevels; l != NULL; l = l->next) {
 707                 if (EV_IS_WINDOW (l->data)) {
 708                         windows = g_list_append (windows, l->data);
 709                 }
 710         }
 711
 712         g_list_free (toplevels);
 713
 714         return windows;
 715 }
 716
 717 EggToolbarsModel *
 718 ev_application_get_toolbars_model (EvApplication *application)
 719 {
 720         return application->toolbars_model;
 721 }
 722
 723 #ifndef HAVE_GTK_RECENT
 724 EggRecentModel *
 725 ev_application_get_recent_model (EvApplication *application)
 726 {
 727         return application->recent_model;
 728 }
 729 #endif
 730
 731 void
 732 ev_application_save_toolbars_model (EvApplication *application)
 733 {
 734         egg_toolbars_model_save_toolbars (application->toolbars_model,
 735                                           application->toolbars_file, "1.0");
 736 }
 737
 738 void
 739 ev_application_set_chooser_uri (EvApplication *application, const gchar *uri)
 740 {
 741         g_free (application->last_chooser_uri);
 742         application->last_chooser_uri = g_strdup (uri);
 743 }
 744
 745 const gchar *
 746 ev_application_get_chooser_uri (EvApplication *application)
 747 {
 748         return application->last_chooser_uri;
 749 }
 750
 751 void
 752 ev_application_screensaver_enable (EvApplication *application)
 753 {
 754         if (application->scr_saver)
 755                 totem_scrsaver_enable (application->scr_saver);
 756 }
 757
 758 void
 759 ev_application_screensaver_disable (EvApplication *application)
 760 {
 761         if (application->scr_saver)
 762                 totem_scrsaver_disable (application->scr_saver);
 763 }
 764
 765 #ifdef WITH_GTK_PRINT
 766 GtkPrintSettings *
 767 ev_application_get_print_settings (EvApplication *application)
 768 {
 769         if (application->print_settings)
 770                 return application->print_settings;
 771
 772 #if GTK_CHECK_VERSION (2, 11, 0)
 773         if (!application->print_settings_file) {
 774                 application->print_settings_file =
 775                         g_build_filename (ev_dot_dir (), "print-settings", NULL);
 776         }
 777
 778         if (g_file_test (application->print_settings_file, G_FILE_TEST_IS_REGULAR)) {
 779                 GError *error = NULL;
 780
 781                 application->print_settings =
 782                         gtk_print_settings_new_from_file (application->print_settings_file, &error);
 783
 784                 if (error) {
 785                         g_warning (error->message);
 786                         g_error_free (error);
 787                 } else {
 788                         return application->print_settings;
 789                 }
 790         }
 791 #endif /* GTK 2.11.0 */
 792
 793         application->print_settings = gtk_print_settings_new ();
 794
 795         return application->print_settings;
 796 }
 797
 798 void
 799 ev_application_set_print_settings (EvApplication    *application,
 800                                    GtkPrintSettings *settings)
 801 {
 802         g_return_if_fail (GTK_IS_PRINT_SETTINGS (settings));
 803
 804         if (settings == application->print_settings)
 805                 return;
 806
 807         if (application->print_settings)
 808                 g_object_unref (application->print_settings);
 809
 810         application->print_settings = g_object_ref (settings);
 811 }
 812 #endif /* WITH_GTK_PRINT */