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