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