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 <stdlib.h>
  26 #include <string.h>
  27
  28 #include <glib.h>
  29 #include <glib/gi18n.h>
  30 #include <gtk/gtk.h>
  31 #ifdef GDK_WINDOWING_X11
  32 #include <gdk/gdkx.h>
  33 #endif
  34
  35 #include "totem-scrsaver.h"
  36
  37 #ifdef WITH_SMCLIENT
  38 #include "eggsmclient.h"
  39 #endif
  40
  41 #include "ev-application.h"
  42 #include "ev-document-factory.h"
  43 #include "ev-file-helpers.h"
  44 #include "ev-metadata-manager.h"
  45 #include "ev-utils.h"
  46 #include "ev-stock-icons.h"
  47
  48 #ifdef ENABLE_DBUS
  49 #include "ev-media-player-keys.h"
  50 #endif /* ENABLE_DBUS */
  51
  52 #ifdef ENABLE_DBUS
  53 #include <dbus/dbus-glib-bindings.h>
  54 #include "ev-application-service.h"
  55 #endif
  56
  57 static void ev_application_save_print_settings (EvApplication *application);
  58
  59 struct _EvApplication {
  60         GObject base_instance;
  61
  62         gchar *dot_dir;
  63         gchar *data_dir;
  64         gchar *accel_map_file;
  65         gchar *toolbars_file;
  66
  67 #ifdef ENABLE_DBUS
  68         gchar *crashed_file;
  69         guint  crashed_idle;
  70 #endif
  71
  72         EggToolbarsModel *toolbars_model;
  73
  74         TotemScrsaver *scr_saver;
  75
  76 #ifdef WITH_SMCLIENT
  77         EggSMClient *smclient;
  78 #endif
  79
  80         gchar *filechooser_open_uri;
  81         gchar *filechooser_save_uri;
  82
  83 #ifdef ENABLE_DBUS
  84         EvMediaPlayerKeys *keys;
  85 #endif /* ENABLE_DBUS */
  86
  87         GtkPrintSettings *print_settings;
  88         GtkPageSetup     *page_setup;
  89         GKeyFile         *print_settings_file;
  90 };
  91
  92 struct _EvApplicationClass {
  93         GObjectClass base_class;
  94 };
  95
  96 static EvApplication *instance;
  97
  98 G_DEFINE_TYPE (EvApplication, ev_application, G_TYPE_OBJECT);
  99
 100 #define APPLICATION_SERVICE_NAME "org.gnome.evince.ApplicationService"
 101
 102 #define EV_PRINT_SETTINGS_FILE "print-settings"
 103 #define EV_PRINT_SETTINGS_GROUP "Print Settings"
 104 #define EV_PAGE_SETUP_GROUP "Page Setup"
 105
 106 #ifdef ENABLE_DBUS
 107 gboolean
 108 ev_application_register_service (EvApplication *application)
 109 {
 110         static DBusGConnection *connection = NULL;
 111         DBusGProxy *driver_proxy;
 112         GError *err = NULL;
 113         guint request_name_result;
 114
 115         if (connection) {
 116                 g_warning ("Service already registered.");
 117                 return FALSE;
 118         }
 119
 120         connection = dbus_g_bus_get (DBUS_BUS_STARTER, &err);
 121         if (connection == NULL) {
 122                 g_warning ("Service registration failed.");
 123                 g_error_free (err);
 124
 125                 return FALSE;
 126         }
 127
 128         driver_proxy = dbus_g_proxy_new_for_name (connection,
 129                                                   DBUS_SERVICE_DBUS,
 130                                                   DBUS_PATH_DBUS,
 131                                                   DBUS_INTERFACE_DBUS);
 132
 133         if (!org_freedesktop_DBus_request_name (driver_proxy,
 134                                                 APPLICATION_SERVICE_NAME,
 135                                                 DBUS_NAME_FLAG_DO_NOT_QUEUE,
 136                                                 &request_name_result, &err)) {
 137                 g_warning ("Service registration failed.");
 138                 g_clear_error (&err);
 139         }
 140
 141         g_object_unref (driver_proxy);
 142
 143         if (request_name_result == DBUS_REQUEST_NAME_REPLY_EXISTS) {
 144                 return FALSE;
 145         }
 146
 147         dbus_g_object_type_install_info (EV_TYPE_APPLICATION,
 148                                          &dbus_glib_ev_application_object_info);
 149         dbus_g_connection_register_g_object (connection,
 150                                              "/org/gnome/evince/Evince",
 151                                              G_OBJECT (application));
 152
 153         application->scr_saver = totem_scrsaver_new (connection);
 154
 155         ev_metadata_manager_init ();
 156
 157         return TRUE;
 158 }
 159 #endif /* ENABLE_DBUS */
 160
 161 /**
 162  * ev_application_get_instance:
 163  *
 164  * Checks for #EvApplication instance, if it doesn't exist it does create it.
 165  *
 166  * Returns: an instance of the #EvApplication data.
 167  */
 168 EvApplication *
 169 ev_application_get_instance (void)
 170 {
 171         if (!instance) {
 172                 instance = EV_APPLICATION (g_object_new (EV_TYPE_APPLICATION, NULL));
 173         }
 174
 175         return instance;
 176 }
 177
 178 #if defined (WITH_SMCLIENT) || defined (ENABLE_DBUS)
 179
 180 /* Session */
 181 static void
 182 save_session (EvApplication *application,
 183               GList         *windows_list,
 184               GKeyFile      *state_file)
 185 {
 186         GList *l;
 187         gint i;
 188         const gchar **uri_list;
 189         const gchar *empty = "empty-window";
 190
 191         uri_list = g_new (const gchar *, g_list_length (windows_list));
 192         for (l = windows_list, i = 0; l != NULL; l = g_list_next (l), i++) {
 193                 EvWindow *window = EV_WINDOW (l->data);
 194
 195                 if (ev_window_is_empty (window))
 196                         uri_list[i] = empty;
 197                 else
 198                         uri_list[i] = ev_window_get_uri (window);
 199         }
 200         g_key_file_set_string_list (state_file,
 201                                     "Evince",
 202                                     "documents",
 203                                     (const char **)uri_list,
 204                                     i);
 205         g_free (uri_list);
 206 }
 207
 208 #endif /* WITH_SMCLIENT || ENABLE_DBUS */
 209
 210 #ifdef ENABLE_DBUS
 211 static void
 212 ev_application_save_session_crashed (EvApplication *application)
 213 {
 214         GList *windows;
 215
 216         windows = ev_application_get_windows (application);
 217         if (windows) {
 218                 GKeyFile *crashed_file;
 219                 gchar    *data;
 220                 gssize    data_length;
 221                 GError   *error = NULL;
 222
 223                 crashed_file = g_key_file_new ();
 224                 save_session (application, windows, crashed_file);
 225
 226                 data = g_key_file_to_data (crashed_file, (gsize *)&data_length, NULL);
 227                 g_file_set_contents (application->crashed_file, data, data_length, &error);
 228                 if (error) {
 229                         g_warning ("%s", error->message);
 230                         g_error_free (error);
 231                 }
 232                 g_free (data);
 233                 g_key_file_free (crashed_file);
 234         } else if (g_file_test (application->crashed_file, G_FILE_TEST_IS_REGULAR)) {
 235                 GFile *file;
 236
 237                 file = g_file_new_for_path (application->crashed_file);
 238                 g_file_delete (file, NULL, NULL);
 239                 g_object_unref (file);
 240         }
 241 }
 242
 243 static gboolean
 244 save_session_crashed_in_idle_cb (EvApplication *application)
 245 {
 246         ev_application_save_session_crashed (application);
 247         application->crashed_idle = 0;
 248
 249         return FALSE;
 250 }
 251
 252 static void
 253 save_session_crashed_in_idle (EvApplication *application)
 254 {
 255         if (application->crashed_idle > 0)
 256                 g_source_remove (application->crashed_idle);
 257         application->crashed_idle =
 258                 g_idle_add ((GSourceFunc)save_session_crashed_in_idle_cb,
 259                             application);
 260 }
 261
 262 static gboolean
 263 ev_application_run_crash_recovery_dialog (EvApplication *application)
 264 {
 265         GtkWidget *dialog;
 266         gint       response;
 267
 268         dialog = gtk_message_dialog_new (NULL,
 269                                          GTK_DIALOG_MODAL,
 270                                          GTK_MESSAGE_WARNING,
 271                                          GTK_BUTTONS_NONE,
 272                                          _("Recover previous documents?"));
 273         gtk_message_dialog_format_secondary_text (
 274                 GTK_MESSAGE_DIALOG (dialog),
 275                 _("Evince appears to have exited unexpectedly the last time "
 276                   "it was run. You can recover the opened documents."));
 277
 278         gtk_dialog_add_button (GTK_DIALOG (dialog),
 279                                _("_Don't Recover"),
 280                                GTK_RESPONSE_CANCEL);
 281         gtk_dialog_add_button (GTK_DIALOG (dialog),
 282                                _("_Recover"),
 283                                GTK_RESPONSE_ACCEPT);
 284
 285         gtk_window_set_title (GTK_WINDOW (dialog), _("Crash Recovery"));
 286         gtk_window_set_icon_name (GTK_WINDOW (dialog), "evince");
 287         gtk_window_set_position (GTK_WINDOW (dialog), GTK_WIN_POS_CENTER);
 288         gtk_window_set_skip_taskbar_hint (GTK_WINDOW (dialog), FALSE);
 289         gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_ACCEPT);
 290
 291         response = gtk_dialog_run (GTK_DIALOG (dialog));
 292         gtk_widget_destroy (dialog);
 293
 294         return response == GTK_RESPONSE_ACCEPT;
 295 }
 296
 297 static gboolean
 298 is_in_command_line (GFile         *file,
 299                     const gchar  **files)
 300 {
 301         gint i;
 302
 303         if (!files)
 304                 return FALSE;
 305
 306         for (i = 0; files[i]; i++) {
 307                 GFile *cfile;
 308
 309                 cfile = g_file_new_for_commandline_arg (files[i]);
 310                 if (g_file_equal (cfile, file)) {
 311                         g_object_unref (cfile);
 312                         return TRUE;
 313                 }
 314                 g_object_unref (cfile);
 315         }
 316
 317         return FALSE;
 318 }
 319
 320 static GKeyFile *
 321 ev_application_get_files_to_recover (EvApplication *application,
 322                                      const gchar  **files)
 323 {
 324         GKeyFile *state_file;
 325         gchar   **uri_list;
 326         gchar   **dest_list = NULL;
 327         gint      i, j;
 328
 329         state_file = g_key_file_new ();
 330         g_key_file_load_from_file (state_file,
 331                                    application->crashed_file,
 332                                    G_KEY_FILE_NONE,
 333                                    NULL);
 334
 335         uri_list = g_key_file_get_string_list (state_file,
 336                                                "Evince",
 337                                                "documents",
 338                                                NULL, NULL);
 339         if (!uri_list) {
 340                 g_key_file_free (state_file);
 341                 return NULL;
 342         }
 343
 344         for (i = 0, j = 0; uri_list[i]; i++) {
 345                 GFile *file = g_file_new_for_uri (uri_list[i]);
 346
 347                 if (!g_file_query_exists (file, NULL) ||
 348                     is_in_command_line (file, files)) {
 349                         g_object_unref (file);
 350                         continue;
 351                 }
 352
 353                 if (!dest_list)
 354                         dest_list = g_new (gchar *, g_strv_length (uri_list) - i);
 355                 dest_list[j++] = uri_list[i];
 356         }
 357
 358         if (j > 0) {
 359                 g_key_file_set_string_list (state_file,
 360                                             "Evince",
 361                                             "documents",
 362                                             (const gchar **)dest_list,
 363                                             j);
 364         } else {
 365                 g_key_file_free (state_file);
 366                 state_file = NULL;
 367         }
 368
 369         g_free (dest_list);
 370         g_strfreev (uri_list);
 371
 372         return state_file;
 373 }
 374 #endif /* ENABLE_DBUS */
 375
 376 gboolean
 377 ev_application_load_session (EvApplication *application,
 378                              const gchar  **files)
 379 {
 380         GKeyFile *state_file;
 381         gchar   **uri_list;
 382
 383 #ifdef WITH_SMCLIENT
 384         if (egg_sm_client_is_resumed (application->smclient)) {
 385                 state_file = egg_sm_client_get_state_file (application->smclient);
 386                 if (!state_file)
 387                         return FALSE;
 388         } else
 389 #endif /* WITH_SMCLIENT */
 390 #ifdef ENABLE_DBUS
 391         if (g_file_test (application->crashed_file, G_FILE_TEST_IS_REGULAR)) {
 392                 state_file = ev_application_get_files_to_recover (application, files);
 393                 if (!state_file)
 394                         return FALSE;
 395
 396                 if (!ev_application_run_crash_recovery_dialog (application)) {
 397                         g_key_file_free (state_file);
 398                         return FALSE;
 399                 }
 400         } else
 401 #endif /* ENABLE_DBUS */
 402                 return FALSE;
 403
 404         uri_list = g_key_file_get_string_list (state_file,
 405                                                "Evince",
 406                                                "documents",
 407                                                NULL, NULL);
 408         if (uri_list) {
 409                 gint i;
 410
 411                 for (i = 0; uri_list[i]; i++) {
 412                         if (g_ascii_strcasecmp (uri_list[i], "empty-window") == 0)
 413                                 ev_application_open_window (application, NULL, GDK_CURRENT_TIME, NULL);
 414                         else
 415                                 ev_application_open_uri (application, uri_list[i], NULL, GDK_CURRENT_TIME, NULL);
 416                 }
 417                 g_strfreev (uri_list);
 418         }
 419         g_key_file_free (state_file);
 420
 421         return TRUE;
 422 }
 423
 424 #ifdef WITH_SMCLIENT
 425
 426 static void
 427 smclient_save_state_cb (EggSMClient   *client,
 428                         GKeyFile      *state_file,
 429                         EvApplication *application)
 430 {
 431         GList *windows;
 432
 433         windows = ev_application_get_windows (application);
 434         if (windows) {
 435                 save_session (application, windows, state_file);
 436                 g_list_free (windows);
 437         }
 438 }
 439
 440 static void
 441 smclient_quit_cb (EggSMClient   *client,
 442                   EvApplication *application)
 443 {
 444         ev_application_shutdown (application);
 445 }
 446
 447 #endif /* WITH_SMCLIENT */
 448
 449 static void
 450 ev_application_init_session (EvApplication *application)
 451 {
 452 #ifdef ENABLE_DBUS
 453         application->crashed_file = g_build_filename (application->dot_dir,
 454                                                       "evince-crashed", NULL);
 455 #endif
 456
 457 #ifdef WITH_SMCLIENT
 458         application->smclient = egg_sm_client_get ();
 459         g_signal_connect (application->smclient, "save_state",
 460                           G_CALLBACK (smclient_save_state_cb),
 461                           application);
 462         g_signal_connect (application->smclient, "quit",
 463                           G_CALLBACK (smclient_quit_cb),
 464                           application);
 465 #endif
 466 }
 467
 468 /**
 469  * ev_display_open_if_needed:
 470  * @name: the name of the display to be open if it's needed.
 471  *
 472  * Search among all the open displays if any of them have the same name as the
 473  * passed name. If the display isn't found it tries the open it.
 474  *
 475  * Returns: a #GdkDisplay of the display with the passed name.
 476  */
 477 static GdkDisplay *
 478 ev_display_open_if_needed (const gchar *name)
 479 {
 480         GSList     *displays;
 481         GSList     *l;
 482         GdkDisplay *display = NULL;
 483
 484         displays = gdk_display_manager_list_displays (gdk_display_manager_get ());
 485
 486         for (l = displays; l != NULL; l = l->next) {
 487                 const gchar *display_name = gdk_display_get_name ((GdkDisplay *) l->data);
 488
 489                 if (g_ascii_strcasecmp (display_name, name) == 0) {
 490                         display = l->data;
 491                         break;
 492                 }
 493         }
 494
 495         g_slist_free (displays);
 496
 497         return display != NULL ? display : gdk_display_open (name);
 498 }
 499
 500 /**
 501  * get_screen_from_args:
 502  * @args: a #GHashTable with data passed to the application.
 503  *
 504  * Looks for the screen in the display available in the hash table passed to the
 505  * application. If the display isn't opened, it's opened and the #GdkScreen
 506  * assigned to the screen in that display returned.
 507  *
 508  * Returns: the #GdkScreen assigned to the screen on the display indicated by
 509  *          the data on the #GHashTable.
 510  */
 511 static GdkScreen *
 512 get_screen_from_args (GHashTable *args)
 513 {
 514         GValue     *value = NULL;
 515         GdkDisplay *display = NULL;
 516         GdkScreen  *screen = NULL;
 517
 518         g_assert (args != NULL);
 519
 520         value = g_hash_table_lookup (args, "display");
 521         if (value) {
 522                 const gchar *display_name;
 523
 524                 display_name = g_value_get_string (value);
 525                 display = ev_display_open_if_needed (display_name);
 526         }
 527
 528         value = g_hash_table_lookup (args, "screen");
 529         if (value) {
 530                 gint screen_number;
 531
 532                 screen_number = g_value_get_int (value);
 533                 screen = gdk_display_get_screen (display, screen_number);
 534         }
 535
 536         return screen;
 537 }
 538
 539 /**
 540  * get_window_run_mode_from_args:
 541  * @args: a #GHashTable with data passed to the application.
 542  *
 543  * It does look if the mode option has been passed from command line, using it
 544  * as the window run mode, otherwise the run mode will be the normal mode.
 545  *
 546  * Returns: The window run mode passed from command line or
 547  *          EV_WINDOW_MODE_NORMAL in other case.
 548  */
 549 static EvWindowRunMode
 550 get_window_run_mode_from_args (GHashTable *args)
 551 {
 552         EvWindowRunMode  mode = EV_WINDOW_MODE_NORMAL;
 553         GValue          *value = NULL;
 554
 555         g_assert (args != NULL);
 556
 557         value = g_hash_table_lookup (args, "mode");
 558         if (value) {
 559                 mode = g_value_get_uint (value);
 560         }
 561
 562         return mode;
 563 }
 564
 565 /**
 566  * get_destination_from_args:
 567  * @args: a #GHashTable with data passed to the application.
 568  *
 569  * It does look for the page-label argument parsed from the command line and
 570  * if it does exist, it returns an #EvLinkDest.
 571  *
 572  * Returns: An #EvLinkDest to page-label if it has been passed from the command
 573  *          line, NULL in other case.
 574  */
 575 static EvLinkDest *
 576 get_destination_from_args (GHashTable *args)
 577 {
 578         EvLinkDest *dest = NULL;
 579         GValue     *value = NULL;
 580
 581         g_assert (args != NULL);
 582
 583         value = g_hash_table_lookup (args, "page-label");
 584         if (value) {
 585                 const gchar *page_label;
 586
 587                 page_label = g_value_get_string (value);
 588                 dest = ev_link_dest_new_page_label (page_label);
 589         }
 590
 591         return dest;
 592 }
 593
 594 static const gchar *
 595 get_find_string_from_args (GHashTable *args)
 596 {
 597         GValue *value = NULL;
 598
 599         g_assert (args != NULL);
 600
 601         value = g_hash_table_lookup (args, "find-string");
 602
 603         return value ? g_value_get_string (value) : NULL;
 604 }
 605
 606 /**
 607  * ev_application_open_window:
 608  * @application: The instance of the application.
 609  * @args: A #GHashTable with the arguments data.
 610  * @timestamp: Current time value.
 611  * @error: The #GError facility.
 612  *
 613  * Creates a new window and if the args are available, it's not NULL, it gets
 614  * the screen from them and assigns the just created window to it. At last it
 615  * does show it.
 616  *
 617  * Returns: %TRUE.
 618  */
 619 gboolean
 620 ev_application_open_window (EvApplication  *application,
 621                             GHashTable     *args,
 622                             guint32         timestamp,
 623                             GError        **error)
 624 {
 625         GtkWidget *new_window = ev_window_new ();
 626         GdkScreen *screen = NULL;
 627
 628         if (args) {
 629                 screen = get_screen_from_args (args);
 630         }
 631
 632         if (screen) {
 633                 ev_stock_icons_set_screen (screen);
 634                 gtk_window_set_screen (GTK_WINDOW (new_window), screen);
 635         }
 636
 637 #ifdef ENABLE_DBUS
 638         ev_application_save_session_crashed (application);
 639         g_signal_connect_swapped (new_window, "destroy",
 640                                   G_CALLBACK (save_session_crashed_in_idle),
 641                                   application);
 642 #endif
 643
 644         if (!GTK_WIDGET_REALIZED (new_window))
 645                 gtk_widget_realize (new_window);
 646
 647 #ifdef GDK_WINDOWING_X11
 648         if (timestamp <= 0)
 649                 timestamp = gdk_x11_get_server_time (GTK_WIDGET (new_window)->window);
 650         gdk_x11_window_set_user_time (GTK_WIDGET (new_window)->window, timestamp);
 651
 652         gtk_window_present (GTK_WINDOW (new_window));
 653 #else
 654         gtk_window_present_with_time (GTK_WINDOW (new_window), timestamp);
 655 #endif /* GDK_WINDOWING_X11 */
 656
 657         return TRUE;
 658 }
 659
 660 /**
 661  * ev_application_get_empty_window:
 662  * @application: The instance of the application.
 663  * @screen: The screen where the empty window will be search.
 664  *
 665  * It does look if there is any empty window in the indicated screen.
 666  *
 667  * Returns: The first empty #EvWindow in the passed #GdkScreen or NULL in other
 668  *          case.
 669  */
 670 static EvWindow *
 671 ev_application_get_empty_window (EvApplication *application,
 672                                  GdkScreen     *screen)
 673 {
 674         EvWindow *empty_window = NULL;
 675         GList *windows = ev_application_get_windows (application);
 676         GList *l;
 677
 678         for (l = windows; l != NULL; l = l->next) {
 679                 EvWindow *window = EV_WINDOW (l->data);
 680
 681                 if (ev_window_is_empty (window) &&
 682                     gtk_window_get_screen (GTK_WINDOW (window)) == screen) {
 683                         empty_window = window;
 684                         break;
 685                 }
 686         }
 687
 688         g_list_free (windows);
 689
 690         return empty_window;
 691 }
 692
 693 /**
 694  * ev_application_get_uri_window:
 695  * @application: The instance of the application.
 696  * @uri: The uri to be opened.
 697  *
 698  * It looks in the list of the windows for the one with the document represented
 699  * by the passed uri on it. If the window is empty or the document isn't present
 700  * on any window, it will return NULL.
 701  *
 702  * Returns: The #EvWindow where the document represented by the passed uri is
 703  *          shown, NULL in other case.
 704  */
 705 static EvWindow *
 706 ev_application_get_uri_window (EvApplication *application, const char *uri)
 707 {
 708         EvWindow *uri_window = NULL;
 709         GList *windows = gtk_window_list_toplevels ();
 710         GList *l;
 711
 712         g_return_val_if_fail (uri != NULL, NULL);
 713
 714         for (l = windows; l != NULL; l = l->next) {
 715                 if (EV_IS_WINDOW (l->data)) {
 716                         EvWindow *window = EV_WINDOW (l->data);
 717                         const char *window_uri = ev_window_get_uri (window);
 718
 719                         if (window_uri && strcmp (window_uri, uri) == 0 && !ev_window_is_empty (window)) {
 720                                 uri_window = window;
 721                                 break;
 722                         }
 723                 }
 724         }
 725
 726         g_list_free (windows);
 727
 728         return uri_window;
 729 }
 730
 731 /**
 732  * ev_application_open_uri_at_dest:
 733  * @application: The instance of the application.
 734  * @uri: The uri to be opened.
 735  * @screen: Thee screen where the link will be shown.
 736  * @dest: The #EvLinkDest of the document.
 737  * @mode: The run mode of the window.
 738  * @timestamp: Current time value.
 739  */
 740 void
 741 ev_application_open_uri_at_dest (EvApplication  *application,
 742                                  const char     *uri,
 743                                  GdkScreen      *screen,
 744                                  EvLinkDest     *dest,
 745                                  EvWindowRunMode mode,
 746                                  const gchar    *search_string,
 747                                  guint           timestamp)
 748 {
 749         EvWindow *new_window;
 750
 751         g_return_if_fail (uri != NULL);
 752
 753         new_window = ev_application_get_uri_window (application, uri);
 754
 755         if (new_window == NULL) {
 756                 new_window = ev_application_get_empty_window (application, screen);
 757         }
 758
 759         if (new_window == NULL) {
 760                 new_window = EV_WINDOW (ev_window_new ());
 761         }
 762
 763         if (screen) {
 764                 ev_stock_icons_set_screen (screen);
 765                 gtk_window_set_screen (GTK_WINDOW (new_window), screen);
 766         }
 767
 768         /* We need to load uri before showing the window, so
 769            we can restore window size without flickering */
 770         ev_window_open_uri (new_window, uri, dest, mode, search_string);
 771
 772 #ifdef ENABLE_DBUS
 773         ev_application_save_session_crashed (application);
 774         g_signal_connect_swapped (new_window, "destroy",
 775                                   G_CALLBACK (save_session_crashed_in_idle),
 776                                   application);
 777 #endif
 778
 779         if (!GTK_WIDGET_REALIZED (GTK_WIDGET (new_window)))
 780                 gtk_widget_realize (GTK_WIDGET (new_window));
 781
 782 #ifdef GDK_WINDOWING_X11
 783         if (timestamp <= 0)
 784                 timestamp = gdk_x11_get_server_time (GTK_WIDGET (new_window)->window);
 785         gdk_x11_window_set_user_time (GTK_WIDGET (new_window)->window, timestamp);
 786
 787         ev_document_fc_mutex_lock ();
 788         gtk_window_present (GTK_WINDOW (new_window));
 789         ev_document_fc_mutex_unlock ();
 790 #else
 791         ev_document_fc_mutex_lock ();
 792         gtk_window_present_with_time (GTK_WINDOW (new_window), timestamp);
 793         ev_document_fc_mutex_unlock ();
 794 #endif /* GDK_WINDOWING_X11 */
 795 }
 796
 797 /**
 798  * ev_application_open_uri:
 799  * @application: The instance of the application.
 800  * @uri: The uri to be opened
 801  * @args: A #GHashTable with the arguments data.
 802  * @timestamp: Current time value.
 803  * @error: The #GError facility.
 804  */
 805 gboolean
 806 ev_application_open_uri (EvApplication  *application,
 807                          const char     *uri,
 808                          GHashTable     *args,
 809                          guint           timestamp,
 810                          GError        **error)
 811 {
 812         EvLinkDest      *dest = NULL;
 813         EvWindowRunMode  mode = EV_WINDOW_MODE_NORMAL;
 814         const gchar     *search_string = NULL;
 815         GdkScreen       *screen = NULL;
 816
 817         if (args) {
 818                 screen = get_screen_from_args (args);
 819                 dest = get_destination_from_args (args);
 820                 mode = get_window_run_mode_from_args (args);
 821                 search_string = get_find_string_from_args (args);
 822         }
 823
 824         ev_application_open_uri_at_dest (application, uri, screen,
 825                                          dest, mode, search_string,
 826                                          timestamp);
 827
 828         if (dest)
 829                 g_object_unref (dest);
 830
 831         return TRUE;
 832 }
 833
 834 void
 835 ev_application_open_uri_list (EvApplication *application,
 836                               GSList        *uri_list,
 837                               GdkScreen     *screen,
 838                               guint          timestamp)
 839 {
 840         GSList *l;
 841
 842         for (l = uri_list; l != NULL; l = l->next) {
 843                 ev_application_open_uri_at_dest (application, (char *)l->data,
 844                                                  screen, NULL, 0, NULL,
 845                                                  timestamp);
 846         }
 847 }
 848
 849 void
 850 ev_application_shutdown (EvApplication *application)
 851 {
 852 #ifdef ENABLE_DBUS
 853         if (application->crashed_file) {
 854                 ev_application_save_session_crashed (application);
 855                 g_free (application->crashed_file);
 856                 application->crashed_file = NULL;
 857         }
 858 #endif
 859
 860         if (application->accel_map_file) {
 861                 gtk_accel_map_save (application->accel_map_file);
 862                 g_free (application->accel_map_file);
 863                 application->accel_map_file = NULL;
 864         }
 865
 866         if (application->toolbars_model) {
 867                 g_object_unref (application->toolbars_model);
 868                 g_free (application->toolbars_file);
 869                 application->toolbars_model = NULL;
 870                 application->toolbars_file = NULL;
 871         }
 872
 873         ev_application_save_print_settings (application);
 874
 875         if (application->print_settings_file) {
 876                 g_key_file_free (application->print_settings_file);
 877                 application->print_settings_file = NULL;
 878         }
 879
 880         if (application->print_settings) {
 881                 g_object_unref (application->print_settings);
 882                 application->print_settings = NULL;
 883         }
 884
 885         if (application->page_setup) {
 886                 g_object_unref (application->page_setup);
 887                 application->page_setup = NULL;
 888         }
 889
 890 #ifdef ENABLE_DBUS
 891         if (application->keys) {
 892                 g_object_unref (application->keys);
 893                 application->keys = NULL;
 894         }
 895 #endif /* ENABLE_DBUS */
 896
 897         ev_metadata_manager_shutdown ();
 898
 899         g_free (application->dot_dir);
 900         application->dot_dir = NULL;
 901         g_free (application->data_dir);
 902         application->data_dir = NULL;
 903         g_free (application->filechooser_open_uri);
 904         application->filechooser_open_uri = NULL;
 905         g_free (application->filechooser_save_uri);
 906         application->filechooser_save_uri = NULL;
 907
 908         g_object_unref (application);
 909         instance = NULL;
 910
 911         gtk_main_quit ();
 912 }
 913
 914 static void
 915 ev_application_class_init (EvApplicationClass *ev_application_class)
 916 {
 917 }
 918
 919 static void
 920 ev_application_init (EvApplication *ev_application)
 921 {
 922         gint i;
 923         const gchar *home_dir;
 924         gchar *toolbar_path;
 925
 926         ev_application->dot_dir = g_build_filename (g_get_home_dir (),
 927                                                     ".gnome2",
 928                                                     "evince",
 929                                                     NULL);
 930
 931         /* FIXME: why make this fatal? */
 932         if (!ev_dir_ensure_exists (ev_application->dot_dir, 0700))
 933                 exit (1);
 934
 935 #ifdef G_OS_WIN32
 936 {
 937         gchar *dir;
 938
 939         dir = g_win32_get_package_installation_directory_of_module (NULL);
 940         ev_application->data_dir = g_build_filename (dir, "share", "evince", NULL);
 941         g_free (dir);
 942 }
 943 #else
 944         ev_application->data_dir = g_strdup (DATADIR);
 945 #endif
 946
 947         ev_application_init_session (ev_application);
 948
 949         home_dir = g_get_home_dir ();
 950         if (home_dir) {
 951                 ev_application->accel_map_file = g_build_filename (home_dir,
 952                                                                    ".gnome2",
 953                                                                    "accels",
 954                                                                    "evince",
 955                                                                    NULL);
 956                 gtk_accel_map_load (ev_application->accel_map_file);
 957         }
 958
 959         ev_application->toolbars_model = egg_toolbars_model_new ();
 960
 961         ev_application->toolbars_file = g_build_filename
 962                         (ev_application->dot_dir, "evince_toolbar.xml", NULL);
 963
 964         toolbar_path = g_build_filename (ev_application->data_dir,
 965                                          "evince-toolbar.xml", NULL);
 966         egg_toolbars_model_load_names (ev_application->toolbars_model,
 967                                        toolbar_path);
 968
 969         if (!egg_toolbars_model_load_toolbars (ev_application->toolbars_model,
 970                                                ev_application->toolbars_file)) {
 971                 egg_toolbars_model_load_toolbars (ev_application->toolbars_model,
 972                                                   toolbar_path);
 973         }
 974         g_free (toolbar_path);
 975
 976         /* Open item doesn't exist anymore,
 977          * convert it to OpenRecent for compatibility
 978          */
 979         for (i = 0; i < egg_toolbars_model_n_items (ev_application->toolbars_model, 0); i++) {
 980                 const gchar *item;
 981
 982                 item = egg_toolbars_model_item_nth (ev_application->toolbars_model, 0, i);
 983                 if (g_ascii_strcasecmp (item, "FileOpen") == 0) {
 984                         egg_toolbars_model_remove_item (ev_application->toolbars_model, 0, i);
 985                         egg_toolbars_model_add_item (ev_application->toolbars_model, 0, i,
 986                                                      "FileOpenRecent");
 987                         ev_application_save_toolbars_model (ev_application);
 988                         break;
 989                 }
 990         }
 991
 992         egg_toolbars_model_set_flags (ev_application->toolbars_model, 0,
 993                                       EGG_TB_MODEL_NOT_REMOVABLE);
 994
 995 #ifdef ENABLE_DBUS
 996         ev_application->keys = ev_media_player_keys_new ();
 997 #endif /* ENABLE_DBUS */
 998 }
 999
1000 /**
1001  * ev_application_get_windows:
1002  * @application: The instance of the application.
1003  *
1004  * It creates a list of the top level windows.
1005  *
1006  * Returns: A #GList of the top level windows.
1007  */
1008 GList *
1009 ev_application_get_windows (EvApplication *application)
1010 {
1011         GList *l, *toplevels;
1012         GList *windows = NULL;
1013
1014         toplevels = gtk_window_list_toplevels ();
1015
1016         for (l = toplevels; l != NULL; l = l->next) {
1017                 if (EV_IS_WINDOW (l->data)) {
1018                         windows = g_list_append (windows, l->data);
1019                 }
1020         }
1021
1022         g_list_free (toplevels);
1023
1024         return windows;
1025 }
1026
1027 /**
1028  * ev_application_get_media_keys:
1029  * @application: The instance of the application.
1030  *
1031  * It gives you access to the media player keys handler object.
1032  *
1033  * Returns: A #EvMediaPlayerKeys.
1034  */
1035 GObject *
1036 ev_application_get_media_keys (EvApplication *application)
1037 {
1038 #ifdef ENABLE_DBUS
1039         return G_OBJECT (application->keys);
1040 #else
1041         return NULL;
1042 #endif /* ENABLE_DBUS */
1043 }
1044
1045 EggToolbarsModel *
1046 ev_application_get_toolbars_model (EvApplication *application)
1047 {
1048         return application->toolbars_model;
1049 }
1050
1051 void
1052 ev_application_save_toolbars_model (EvApplication *application)
1053 {
1054         egg_toolbars_model_save_toolbars (application->toolbars_model,
1055                                           application->toolbars_file, "1.0");
1056 }
1057
1058 void
1059 ev_application_set_filechooser_uri (EvApplication       *application,
1060                                     GtkFileChooserAction action,
1061                                     const gchar         *uri)
1062 {
1063         if (action == GTK_FILE_CHOOSER_ACTION_OPEN) {
1064                 g_free (application->filechooser_open_uri);
1065                 application->filechooser_open_uri = g_strdup (uri);
1066         } else if (action == GTK_FILE_CHOOSER_ACTION_SAVE) {
1067                 g_free (application->filechooser_save_uri);
1068                 application->filechooser_save_uri = g_strdup (uri);
1069         }
1070 }
1071
1072 const gchar *
1073 ev_application_get_filechooser_uri (EvApplication       *application,
1074                                     GtkFileChooserAction action)
1075 {
1076         if (action == GTK_FILE_CHOOSER_ACTION_OPEN) {
1077                 if (application->filechooser_open_uri)
1078                         return application->filechooser_open_uri;
1079         } else if (action == GTK_FILE_CHOOSER_ACTION_SAVE) {
1080                 if (application->filechooser_save_uri)
1081                         return application->filechooser_save_uri;
1082         }
1083
1084         return NULL;
1085 }
1086
1087 void
1088 ev_application_screensaver_enable (EvApplication *application)
1089 {
1090         if (application->scr_saver)
1091                 totem_scrsaver_enable (application->scr_saver);
1092 }
1093
1094 void
1095 ev_application_screensaver_disable (EvApplication *application)
1096 {
1097         if (application->scr_saver)
1098                 totem_scrsaver_disable (application->scr_saver);
1099 }
1100
1101 static GKeyFile *
1102 ev_application_get_print_settings_file (EvApplication *application)
1103 {
1104         gchar *filename;
1105
1106         if (application->print_settings_file)
1107                 return application->print_settings_file;
1108
1109         application->print_settings_file = g_key_file_new ();
1110
1111         filename = g_build_filename (ev_application_get_dot_dir (application), EV_PRINT_SETTINGS_FILE, NULL);
1112         if (g_file_test (filename, G_FILE_TEST_IS_REGULAR)) {
1113                 GError *error = NULL;
1114
1115                 g_key_file_load_from_file (application->print_settings_file,
1116                                            filename,
1117                                            G_KEY_FILE_KEEP_COMMENTS |
1118                                            G_KEY_FILE_KEEP_TRANSLATIONS,
1119                                            &error);
1120                 if (error) {
1121                         g_warning ("%s", error->message);
1122                         g_error_free (error);
1123                 }
1124         }
1125         g_free (filename);
1126
1127         return application->print_settings_file;
1128 }
1129
1130 static void
1131 ev_application_save_print_settings (EvApplication *application)
1132 {
1133         GKeyFile *key_file;
1134         gchar    *filename;
1135         gchar    *data;
1136         gssize    data_length;
1137         GError   *error = NULL;
1138
1139         if (!application->print_settings && !application->page_setup)
1140                 return;
1141
1142         key_file = ev_application_get_print_settings_file (application);
1143         if (application->print_settings)
1144                 gtk_print_settings_to_key_file (application->print_settings,
1145                                                 key_file,
1146                                                 EV_PRINT_SETTINGS_GROUP);
1147         if (application->page_setup)
1148                 gtk_page_setup_to_key_file (application->page_setup,
1149                                             key_file,
1150                                             EV_PAGE_SETUP_GROUP);
1151
1152         filename = g_build_filename (ev_application_get_dot_dir (application), EV_PRINT_SETTINGS_FILE, NULL);
1153         data = g_key_file_to_data (key_file, (gsize *)&data_length, NULL);
1154         g_file_set_contents (filename, data, data_length, &error);
1155         if (error) {
1156                 g_warning ("%s", error->message);
1157                 g_error_free (error);
1158         }
1159         g_free (data);
1160         g_free (filename);
1161 }
1162
1163 GtkPrintSettings *
1164 ev_application_get_print_settings (EvApplication *application)
1165 {
1166         GKeyFile         *key_file;
1167         GtkPrintSettings *print_settings;
1168
1169         if (application->print_settings)
1170                 return application->print_settings;
1171
1172         key_file = ev_application_get_print_settings_file (application);
1173         print_settings = g_key_file_has_group (key_file, EV_PRINT_SETTINGS_GROUP) ?
1174                 gtk_print_settings_new_from_key_file (key_file, EV_PRINT_SETTINGS_GROUP, NULL) :
1175                 gtk_print_settings_new ();
1176
1177         application->print_settings = print_settings ? print_settings : gtk_print_settings_new ();
1178
1179         return application->print_settings;
1180 }
1181
1182 void
1183 ev_application_set_print_settings (EvApplication    *application,
1184                                    GtkPrintSettings *settings)
1185 {
1186         GKeyFile *key_file;
1187
1188         g_return_if_fail (GTK_IS_PRINT_SETTINGS (settings));
1189
1190         if (settings == application->print_settings)
1191                 return;
1192
1193         key_file = ev_application_get_print_settings_file (application);
1194
1195         if (application->print_settings)
1196                 g_object_unref (application->print_settings);
1197
1198         application->print_settings = g_object_ref (settings);
1199         gtk_print_settings_to_key_file (settings, key_file, EV_PRINT_SETTINGS_GROUP);
1200 }
1201
1202 GtkPageSetup *
1203 ev_application_get_page_setup (EvApplication *application)
1204 {
1205         GKeyFile     *key_file;
1206         GtkPageSetup *page_setup;
1207
1208         if (application->page_setup)
1209                 return application->page_setup;
1210
1211         key_file = ev_application_get_print_settings_file (application);
1212         page_setup = g_key_file_has_group (key_file, EV_PAGE_SETUP_GROUP) ?
1213                 gtk_page_setup_new_from_key_file (key_file, EV_PAGE_SETUP_GROUP, NULL) :
1214                 gtk_page_setup_new ();
1215
1216         application->page_setup = page_setup ? page_setup : gtk_page_setup_new ();
1217
1218         return application->page_setup;
1219 }
1220
1221 void
1222 ev_application_set_page_setup (EvApplication *application,
1223                                GtkPageSetup  *page_setup)
1224 {
1225         GKeyFile *key_file;
1226
1227         g_return_if_fail (GTK_IS_PAGE_SETUP (page_setup));
1228
1229         if (page_setup == application->page_setup)
1230                 return;
1231
1232         key_file = ev_application_get_print_settings_file (application);
1233
1234         if (application->page_setup)
1235                 g_object_unref (application->page_setup);
1236
1237         application->page_setup = g_object_ref (page_setup);
1238         gtk_page_setup_to_key_file (page_setup, key_file, EV_PAGE_SETUP_GROUP);
1239 }
1240
1241 const gchar *
1242 ev_application_get_dot_dir (EvApplication   *application)
1243 {
1244         return application->dot_dir;
1245 }
1246
1247 const gchar *
1248 ev_application_get_data_dir (EvApplication   *application)
1249 {
1250         return application->data_dir;
1251 }