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
  24 #include <config.h>
  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 static gboolean ev_application_open_uri (EvApplication  *application,
  54                                          const char     *uri,
  55                                          GHashTable     *args,
  56                                          guint           timestamp,
  57                                          GError        **error);
  58 #include "ev-application-service.h"
  59 #endif
  60
  61 static void ev_application_save_print_settings (EvApplication *application);
  62
  63 struct _EvApplication {
  64         GObject base_instance;
  65
  66         gchar *uri;
  67
  68         gchar *dot_dir;
  69         gchar *data_dir;
  70         gchar *accel_map_file;
  71         gchar *toolbars_file;
  72
  73 #ifdef ENABLE_DBUS
  74         DBusGConnection *connection;
  75         EvMediaPlayerKeys *keys;
  76 #endif
  77
  78         EggToolbarsModel *toolbars_model;
  79
  80         TotemScrsaver *scr_saver;
  81
  82 #ifdef WITH_SMCLIENT
  83         EggSMClient *smclient;
  84 #endif
  85
  86         gchar *filechooser_open_uri;
  87         gchar *filechooser_save_uri;
  88
  89         GtkPrintSettings *print_settings;
  90         GtkPageSetup     *page_setup;
  91         GKeyFile         *print_settings_file;
  92 };
  93
  94 struct _EvApplicationClass {
  95         GObjectClass base_class;
  96 };
  97
  98 static EvApplication *instance;
  99
 100 G_DEFINE_TYPE (EvApplication, ev_application, G_TYPE_OBJECT);
 101
 102 #ifdef ENABLE_DBUS
 103 #define APPLICATION_DBUS_OBJECT_PATH "/org/gnome/evince/Evince"
 104 #define APPLICATION_DBUS_INTERFACE   "org.gnome.evince.Application"
 105 #endif
 106
 107 #define EV_PRINT_SETTINGS_FILE "print-settings"
 108 #define EV_PRINT_SETTINGS_GROUP "Print Settings"
 109 #define EV_PAGE_SETUP_GROUP "Page Setup"
 110
 111 /**
 112  * ev_application_get_instance:
 113  *
 114  * Checks for #EvApplication instance, if it doesn't exist it does create it.
 115  *
 116  * Returns: an instance of the #EvApplication data.
 117  */
 118 EvApplication *
 119 ev_application_get_instance (void)
 120 {
 121         if (!instance) {
 122                 instance = EV_APPLICATION (g_object_new (EV_TYPE_APPLICATION, NULL));
 123         }
 124
 125         return instance;
 126 }
 127
 128 /* Session */
 129 gboolean
 130 ev_application_load_session (EvApplication *application)
 131 {
 132         GKeyFile *state_file;
 133         gchar    *uri;
 134
 135 #ifdef WITH_SMCLIENT
 136         if (egg_sm_client_is_resumed (application->smclient)) {
 137                 state_file = egg_sm_client_get_state_file (application->smclient);
 138                 if (!state_file)
 139                         return FALSE;
 140         } else
 141 #endif /* WITH_SMCLIENT */
 142                 return FALSE;
 143
 144         uri = g_key_file_get_string (state_file, "Evince", "uri", NULL);
 145         if (!uri)
 146                 return FALSE;
 147
 148         ev_application_open_uri_at_dest (application, uri,
 149                                          gdk_screen_get_default (),
 150                                          NULL, 0, NULL,
 151                                          GDK_CURRENT_TIME);
 152         g_free (uri);
 153         g_key_file_free (state_file);
 154
 155         return TRUE;
 156 }
 157
 158 #ifdef WITH_SMCLIENT
 159
 160 static void
 161 smclient_save_state_cb (EggSMClient   *client,
 162                         GKeyFile      *state_file,
 163                         EvApplication *application)
 164 {
 165         if (!application->uri)
 166                 return;
 167
 168         g_key_file_set_string (state_file, "Evince", "uri", application->uri);
 169 }
 170
 171 static void
 172 smclient_quit_cb (EggSMClient   *client,
 173                   EvApplication *application)
 174 {
 175         ev_application_shutdown (application);
 176 }
 177 #endif /* WITH_SMCLIENT */
 178
 179 static void
 180 ev_application_init_session (EvApplication *application)
 181 {
 182 #ifdef WITH_SMCLIENT
 183         application->smclient = egg_sm_client_get ();
 184         g_signal_connect (application->smclient, "save_state",
 185                           G_CALLBACK (smclient_save_state_cb),
 186                           application);
 187         g_signal_connect (application->smclient, "quit",
 188                           G_CALLBACK (smclient_quit_cb),
 189                           application);
 190 #endif
 191 }
 192
 193 /**
 194  * ev_display_open_if_needed:
 195  * @name: the name of the display to be open if it's needed.
 196  *
 197  * Search among all the open displays if any of them have the same name as the
 198  * passed name. If the display isn't found it tries the open it.
 199  *
 200  * Returns: a #GdkDisplay of the display with the passed name.
 201  */
 202 static GdkDisplay *
 203 ev_display_open_if_needed (const gchar *name)
 204 {
 205         GSList     *displays;
 206         GSList     *l;
 207         GdkDisplay *display = NULL;
 208
 209         displays = gdk_display_manager_list_displays (gdk_display_manager_get ());
 210
 211         for (l = displays; l != NULL; l = l->next) {
 212                 const gchar *display_name = gdk_display_get_name ((GdkDisplay *) l->data);
 213
 214                 if (g_ascii_strcasecmp (display_name, name) == 0) {
 215                         display = l->data;
 216                         break;
 217                 }
 218         }
 219
 220         g_slist_free (displays);
 221
 222         return display != NULL ? display : gdk_display_open (name);
 223 }
 224
 225 /**
 226  * get_screen_from_args:
 227  * @args: a #GHashTable with data passed to the application.
 228  *
 229  * Looks for the screen in the display available in the hash table passed to the
 230  * application. If the display isn't opened, it's opened and the #GdkScreen
 231  * assigned to the screen in that display returned.
 232  *
 233  * Returns: the #GdkScreen assigned to the screen on the display indicated by
 234  *          the data on the #GHashTable.
 235  */
 236 static GdkScreen *
 237 get_screen_from_args (GHashTable *args)
 238 {
 239         GValue     *value = NULL;
 240         GdkDisplay *display = NULL;
 241         GdkScreen  *screen = NULL;
 242
 243         g_assert (args != NULL);
 244
 245         value = g_hash_table_lookup (args, "display");
 246         if (value) {
 247                 const gchar *display_name;
 248
 249                 display_name = g_value_get_string (value);
 250                 display = ev_display_open_if_needed (display_name);
 251         }
 252
 253         value = g_hash_table_lookup (args, "screen");
 254         if (value) {
 255                 gint screen_number;
 256
 257                 screen_number = g_value_get_int (value);
 258                 screen = gdk_display_get_screen (display, screen_number);
 259         }
 260
 261         return screen;
 262 }
 263
 264 /**
 265  * get_window_run_mode_from_args:
 266  * @args: a #GHashTable with data passed to the application.
 267  *
 268  * It does look if the mode option has been passed from command line, using it
 269  * as the window run mode, otherwise the run mode will be the normal mode.
 270  *
 271  * Returns: The window run mode passed from command line or
 272  *          EV_WINDOW_MODE_NORMAL in other case.
 273  */
 274 static EvWindowRunMode
 275 get_window_run_mode_from_args (GHashTable *args)
 276 {
 277         EvWindowRunMode  mode = EV_WINDOW_MODE_NORMAL;
 278         GValue          *value = NULL;
 279
 280         g_assert (args != NULL);
 281
 282         value = g_hash_table_lookup (args, "mode");
 283         if (value) {
 284                 mode = g_value_get_uint (value);
 285         }
 286
 287         return mode;
 288 }
 289
 290 /**
 291  * get_destination_from_args:
 292  * @args: a #GHashTable with data passed to the application.
 293  *
 294  * It does look for the page-label argument parsed from the command line and
 295  * if it does exist, it returns an #EvLinkDest.
 296  *
 297  * Returns: An #EvLinkDest to page-label if it has been passed from the command
 298  *          line, NULL in other case.
 299  */
 300 static EvLinkDest *
 301 get_destination_from_args (GHashTable *args)
 302 {
 303         EvLinkDest *dest = NULL;
 304         GValue     *value = NULL;
 305
 306         g_assert (args != NULL);
 307
 308         value = g_hash_table_lookup (args, "page-label");
 309         if (value) {
 310                 const gchar *page_label;
 311
 312                 page_label = g_value_get_string (value);
 313                 dest = ev_link_dest_new_page_label (page_label);
 314         }
 315
 316         return dest;
 317 }
 318
 319 static const gchar *
 320 get_find_string_from_args (GHashTable *args)
 321 {
 322         GValue *value = NULL;
 323
 324         g_assert (args != NULL);
 325
 326         value = g_hash_table_lookup (args, "find-string");
 327
 328         return value ? g_value_get_string (value) : NULL;
 329 }
 330
 331 static void
 332 value_free (GValue *value)
 333 {
 334         g_value_unset (value);
 335         g_free (value);
 336 }
 337
 338 static GHashTable *
 339 build_args (GdkScreen      *screen,
 340             EvLinkDest     *dest,
 341             EvWindowRunMode mode,
 342             const gchar    *search_string)
 343 {
 344         GHashTable  *args;
 345         GValue      *value;
 346         GdkDisplay  *display;
 347         const gchar *display_name;
 348         gint         screen_number;
 349
 350         args = g_hash_table_new_full (g_str_hash,
 351                                       g_str_equal,
 352                                       (GDestroyNotify)g_free,
 353                                       (GDestroyNotify)value_free);
 354
 355         /* Display */
 356         display = gdk_screen_get_display (screen);
 357         display_name = gdk_display_get_name (display);
 358         value = g_new0 (GValue, 1);
 359         g_value_init (value, G_TYPE_STRING);
 360         g_value_set_string (value, display_name);
 361         g_hash_table_insert (args, g_strdup ("display"), value);
 362
 363         /* Screen */
 364         screen_number = gdk_screen_get_number (screen);
 365         value = g_new0 (GValue, 1);
 366         g_value_init (value, G_TYPE_INT);
 367         g_value_set_int (value, screen_number);
 368         g_hash_table_insert (args, g_strdup ("screen"), value);
 369
 370         /* Page label */
 371         if (dest) {
 372                 value = g_new0 (GValue, 1);
 373                 g_value_init (value, G_TYPE_STRING);
 374                 g_value_set_string (value, ev_link_dest_get_page_label (dest));
 375
 376                 g_hash_table_insert (args, g_strdup ("page-label"), value);
 377         }
 378
 379         /* Find string */
 380         if (search_string) {
 381                 value = g_new0 (GValue, 1);
 382                 g_value_init (value, G_TYPE_STRING);
 383                 g_value_set_string (value, search_string);
 384
 385                 g_hash_table_insert (args, g_strdup ("find-string"), value);
 386         }
 387
 388         /* Mode */
 389         if (mode != EV_WINDOW_MODE_NORMAL) {
 390                 value = g_new0 (GValue, 1);
 391                 g_value_init (value, G_TYPE_UINT);
 392                 g_value_set_uint (value, mode);
 393
 394                 g_hash_table_insert (args, g_strdup ("mode"), value);
 395         }
 396
 397         return args;
 398 }
 399
 400 static void
 401 child_setup (gpointer user_data)
 402 {
 403         gchar *startup_id;
 404
 405         startup_id = g_strdup_printf ("_TIME%lu",
 406                                       (unsigned long)GPOINTER_TO_INT (user_data));
 407         g_setenv ("DESKTOP_STARTUP_ID", startup_id, TRUE);
 408         g_free (startup_id);
 409 }
 410
 411 static void
 412 ev_spawn (const char     *uri,
 413           GdkScreen      *screen,
 414           EvLinkDest     *dest,
 415           EvWindowRunMode mode,
 416           const gchar    *search_string,
 417           guint           timestamp)
 418 {
 419         gchar   *argv[6];
 420         guint    arg = 0;
 421         gint     i;
 422         gboolean res;
 423         GError  *error = NULL;
 424
 425         argv[arg++] = g_build_filename (BINDIR, "evince", NULL);
 426
 427         /* Page label */
 428         if (dest) {
 429                 const gchar *page_label;
 430
 431                 page_label = ev_link_dest_get_page_label (dest);
 432                 if (page_label)
 433                         argv[arg++] = g_strdup_printf ("--page-label=%s", page_label);
 434                 else
 435                         argv[arg++] = g_strdup_printf ("--page-label=%d",
 436                                                        ev_link_dest_get_page (dest));
 437         }
 438
 439         /* Find string */
 440         if (search_string) {
 441                 argv[arg++] = g_strdup_printf ("--find=%s", search_string);
 442         }
 443
 444         /* Mode */
 445         switch (mode) {
 446         case EV_WINDOW_MODE_FULLSCREEN:
 447                 argv[arg++] = g_strdup ("-f");
 448                 break;
 449         case EV_WINDOW_MODE_PRESENTATION:
 450                 argv[arg++] = g_strdup ("-s");
 451                 break;
 452         default:
 453                 break;
 454         }
 455
 456         argv[arg++] = (gchar *)uri;
 457         argv[arg] = NULL;
 458
 459         res = gdk_spawn_on_screen (screen, NULL /* wd */, argv, NULL /* env */,
 460                                    0,
 461                                    child_setup,
 462                                    GINT_TO_POINTER(timestamp),
 463                                    NULL, &error);
 464         if (!res) {
 465                 g_warning ("Error launching evince %s: %s\n", uri, error->message);
 466                 g_error_free (error);
 467         }
 468
 469         for (i = 0; i < arg - 1; i++) {
 470                 g_free (argv[i]);
 471         }
 472 }
 473
 474 static GList *
 475 ev_application_get_windows (EvApplication *application)
 476 {
 477         GList *l, *toplevels;
 478         GList *windows = NULL;
 479
 480         toplevels = gtk_window_list_toplevels ();
 481
 482         for (l = toplevels; l != NULL; l = l->next) {
 483                 if (EV_IS_WINDOW (l->data)) {
 484                         windows = g_list_append (windows, l->data);
 485                 }
 486         }
 487
 488         g_list_free (toplevels);
 489
 490         return windows;
 491 }
 492
 493 static EvWindow *
 494 ev_application_get_empty_window (EvApplication *application,
 495                                  GdkScreen     *screen)
 496 {
 497         EvWindow *empty_window = NULL;
 498         GList    *windows = ev_application_get_windows (application);
 499         GList    *l;
 500
 501         for (l = windows; l != NULL; l = l->next) {
 502                 EvWindow *window = EV_WINDOW (l->data);
 503
 504                 if (ev_window_is_empty (window) &&
 505                     gtk_window_get_screen (GTK_WINDOW (window)) == screen) {
 506                         empty_window = window;
 507                         break;
 508                 }
 509         }
 510
 511         g_list_free (windows);
 512
 513         return empty_window;
 514 }
 515
 516
 517 #ifdef ENABLE_DBUS
 518 static gboolean
 519 ev_application_register_uri (EvApplication *application,
 520                              const gchar   *uri,
 521                              GHashTable    *args,
 522                              guint          timestamp)
 523 {
 524         DBusGProxy *proxy;
 525         gchar      *owner;
 526         gboolean    retval = TRUE;
 527         GError     *error = NULL;
 528
 529         if (!application->connection)
 530                 return TRUE;
 531
 532         proxy = dbus_g_proxy_new_for_name (application->connection,
 533                                            "org.gnome.evince.Daemon",
 534                                            "/org/gnome/evince/Daemon",
 535                                            "org.gnome.evince.Daemon");
 536         if (!dbus_g_proxy_call (proxy, "RegisterDocument", &error,
 537                                 G_TYPE_STRING, uri,
 538                                 G_TYPE_INVALID,
 539                                 G_TYPE_STRING, &owner,
 540                                 G_TYPE_INVALID)) {
 541                 g_warning ("Error registering document: %s\n", error->message);
 542                 g_error_free (error);
 543                 g_object_unref (proxy);
 544
 545                 return TRUE;
 546         }
 547         g_object_unref (proxy);
 548
 549         if (*owner == ':') {
 550                 /* Already registered */
 551                 proxy = dbus_g_proxy_new_for_name_owner (application->connection,
 552                                                          owner,
 553                                                          APPLICATION_DBUS_OBJECT_PATH,
 554                                                          APPLICATION_DBUS_INTERFACE,
 555                                                          &error);
 556                 if (proxy) {
 557                         if (!dbus_g_proxy_call (proxy, "OpenURI", &error,
 558                                                 G_TYPE_STRING, uri,
 559                                                 dbus_g_type_get_map ("GHashTable", G_TYPE_STRING, G_TYPE_VALUE), args,
 560                                                 G_TYPE_UINT, timestamp,
 561                                                 G_TYPE_INVALID,
 562                                                 G_TYPE_INVALID)) {
 563                                 g_warning ("%s", error->message);
 564                                 g_error_free (error);
 565                         }
 566                         g_object_unref (proxy);
 567                 } else {
 568                         g_warning ("Error creating proxy: %s\n", error->message);
 569                         g_error_free (error);
 570                 }
 571
 572                 /* Do not continue opening this document */
 573                 retval = FALSE;
 574         }
 575
 576         g_free (owner);
 577
 578         return retval;
 579 }
 580
 581 static void
 582 ev_application_unregister_uri (EvApplication *application,
 583                                const gchar   *uri)
 584 {
 585         DBusGProxy *proxy;
 586         GError     *error = NULL;
 587
 588         if (!application->connection)
 589                 return;
 590
 591         proxy = dbus_g_proxy_new_for_name (application->connection,
 592                                            "org.gnome.evince.Daemon",
 593                                            "/org/gnome/evince/Daemon",
 594                                            "org.gnome.evince.Daemon");
 595         if (!dbus_g_proxy_call (proxy, "UnregisterDocument", &error,
 596                                 G_TYPE_STRING, uri,
 597                                 G_TYPE_INVALID,
 598                                 G_TYPE_INVALID)) {
 599                 g_warning ("Error unregistering document: %s\n", error->message);
 600                 g_error_free (error);
 601         }
 602
 603         g_object_unref (proxy);
 604 }
 605 #endif /* ENABLE_DBUS */
 606
 607 static void
 608 ev_application_open_uri_in_window (EvApplication  *application,
 609                                    const char     *uri,
 610                                    EvWindow       *ev_window,
 611                                    GdkScreen      *screen,
 612                                    EvLinkDest     *dest,
 613                                    EvWindowRunMode mode,
 614                                    const gchar    *search_string,
 615                                    guint           timestamp)
 616 {
 617         if (screen) {
 618                 ev_stock_icons_set_screen (screen);
 619                 gtk_window_set_screen (GTK_WINDOW (ev_window), screen);
 620         }
 621
 622         /* We need to load uri before showing the window, so
 623            we can restore window size without flickering */
 624         ev_window_open_uri (ev_window, uri, dest, mode, search_string);
 625
 626         if (!GTK_WIDGET_REALIZED (GTK_WIDGET (ev_window)))
 627                 gtk_widget_realize (GTK_WIDGET (ev_window));
 628
 629 #ifdef GDK_WINDOWING_X11
 630         if (timestamp <= 0)
 631                 timestamp = gdk_x11_get_server_time (GTK_WIDGET (ev_window)->window);
 632         gdk_x11_window_set_user_time (GTK_WIDGET (ev_window)->window, timestamp);
 633
 634         ev_document_fc_mutex_lock ();
 635         gtk_window_present (GTK_WINDOW (ev_window));
 636         ev_document_fc_mutex_unlock ();
 637 #else
 638         ev_document_fc_mutex_lock ();
 639         gtk_window_present_with_time (GTK_WINDOW (ev_window), timestamp);
 640         ev_document_fc_mutex_unlock ();
 641 #endif /* GDK_WINDOWING_X11 */
 642 }
 643
 644 /**
 645  * ev_application_open_uri_at_dest:
 646  * @application: The instance of the application.
 647  * @uri: The uri to be opened.
 648  * @screen: Thee screen where the link will be shown.
 649  * @dest: The #EvLinkDest of the document.
 650  * @mode: The run mode of the window.
 651  * @timestamp: Current time value.
 652  */
 653 void
 654 ev_application_open_uri_at_dest (EvApplication  *application,
 655                                  const char     *uri,
 656                                  GdkScreen      *screen,
 657                                  EvLinkDest     *dest,
 658                                  EvWindowRunMode mode,
 659                                  const gchar    *search_string,
 660                                  guint           timestamp)
 661 {
 662         EvWindow *ev_window;
 663
 664         g_return_if_fail (uri != NULL);
 665
 666         if (application->uri && strcmp (application->uri, uri) != 0) {
 667                 /* spawn a new evince process */
 668                 ev_spawn (uri, screen, dest, mode, search_string, timestamp);
 669                 return;
 670         } else {
 671 #ifdef ENABLE_DBUS
 672                 GHashTable *args = build_args (screen, dest, mode, search_string);
 673                 gboolean    ret;
 674
 675                 /* Register the uri or send OpenURI to
 676                  * remote instance if already registered
 677                  */
 678                 ret = ev_application_register_uri (application, uri, args, timestamp);
 679                 g_hash_table_destroy (args);
 680                 if (!ret)
 681                         return;
 682 #endif /* ENABLE_DBUS */
 683
 684                 ev_window = ev_application_get_empty_window (application, screen);
 685                 if (!ev_window)
 686                         ev_window = EV_WINDOW (ev_window_new ());
 687         }
 688
 689         application->uri = g_strdup (uri);
 690
 691         ev_application_open_uri_in_window (application, uri, ev_window,
 692                                            screen, dest, mode,
 693                                            search_string,
 694                                            timestamp);
 695 }
 696
 697 /**
 698  * ev_application_open_window:
 699  * @application: The instance of the application.
 700  * @timestamp: Current time value.
 701  *
 702  * Creates a new window
 703  */
 704 void
 705 ev_application_open_window (EvApplication *application,
 706                             GdkScreen     *screen,
 707                             guint32        timestamp)
 708 {
 709         GtkWidget *new_window = ev_window_new ();
 710
 711         if (screen) {
 712                 ev_stock_icons_set_screen (screen);
 713                 gtk_window_set_screen (GTK_WINDOW (new_window), screen);
 714         }
 715
 716         if (!GTK_WIDGET_REALIZED (new_window))
 717                 gtk_widget_realize (new_window);
 718
 719 #ifdef GDK_WINDOWING_X11
 720         if (timestamp <= 0)
 721                 timestamp = gdk_x11_get_server_time (new_window->window);
 722         gdk_x11_window_set_user_time (new_window->window, timestamp);
 723
 724         gtk_window_present (GTK_WINDOW (new_window));
 725 #else
 726         gtk_window_present_with_time (GTK_WINDOW (new_window), timestamp);
 727 #endif /* GDK_WINDOWING_X11 */
 728 }
 729
 730 /**
 731  * ev_application_open_uri:
 732  * @application: The instance of the application.
 733  * @uri: The uri to be opened
 734  * @args: A #GHashTable with the arguments data.
 735  * @timestamp: Current time value.
 736  * @error: The #GError facility.
 737  */
 738 static gboolean
 739 ev_application_open_uri (EvApplication  *application,
 740                          const char     *uri,
 741                          GHashTable     *args,
 742                          guint           timestamp,
 743                          GError        **error)
 744 {
 745         GList           *windows, *l;
 746         EvLinkDest      *dest = NULL;
 747         EvWindowRunMode  mode = EV_WINDOW_MODE_NORMAL;
 748         const gchar     *search_string = NULL;
 749         GdkScreen       *screen = NULL;
 750
 751         g_assert (application->uri != NULL);
 752
 753         /* FIXME: we don't need uri anymore,
 754          * maybe this method should be renamed
 755          * as reload, refresh or something like that
 756          */
 757         if (!application->uri || strcmp (application->uri, uri)) {
 758                 g_warning ("Invalid uri: %s, expected %s\n",
 759                            uri, application->uri);
 760                 return TRUE;
 761         }
 762
 763         if (args) {
 764                 screen = get_screen_from_args (args);
 765                 dest = get_destination_from_args (args);
 766                 mode = get_window_run_mode_from_args (args);
 767                 search_string = get_find_string_from_args (args);
 768         }
 769
 770         windows = ev_application_get_windows (application);
 771         for (l = windows; l != NULL; l = g_list_next (l)) {
 772                 EvWindow *ev_window = EV_WINDOW (l->data);
 773
 774                 ev_application_open_uri_in_window (application, uri, ev_window,
 775                                                    screen, dest, mode,
 776                                                    search_string,
 777                                                    timestamp);
 778         }
 779         g_list_free (windows);
 780
 781         if (dest)
 782                 g_object_unref (dest);
 783
 784         return TRUE;
 785 }
 786
 787 void
 788 ev_application_open_uri_list (EvApplication *application,
 789                               GSList        *uri_list,
 790                               GdkScreen     *screen,
 791                               guint          timestamp)
 792 {
 793         GSList *l;
 794
 795         for (l = uri_list; l != NULL; l = l->next) {
 796                 ev_application_open_uri_at_dest (application, (char *)l->data,
 797                                                  screen, NULL, 0, NULL,
 798                                                  timestamp);
 799         }
 800 }
 801
 802 void
 803 ev_application_shutdown (EvApplication *application)
 804 {
 805         if (application->uri) {
 806 #ifdef ENABLE_DBUS
 807                 ev_application_unregister_uri (application,
 808                                                application->uri);
 809 #endif
 810                 g_free (application->uri);
 811                 application->uri = NULL;
 812         }
 813
 814         if (application->accel_map_file) {
 815                 gtk_accel_map_save (application->accel_map_file);
 816                 g_free (application->accel_map_file);
 817                 application->accel_map_file = NULL;
 818         }
 819
 820         if (application->toolbars_model) {
 821                 g_object_unref (application->toolbars_model);
 822                 g_free (application->toolbars_file);
 823                 application->toolbars_model = NULL;
 824                 application->toolbars_file = NULL;
 825         }
 826
 827         ev_application_save_print_settings (application);
 828
 829         if (application->print_settings_file) {
 830                 g_key_file_free (application->print_settings_file);
 831                 application->print_settings_file = NULL;
 832         }
 833
 834         if (application->print_settings) {
 835                 g_object_unref (application->print_settings);
 836                 application->print_settings = NULL;
 837         }
 838
 839         if (application->page_setup) {
 840                 g_object_unref (application->page_setup);
 841                 application->page_setup = NULL;
 842         }
 843
 844 #ifdef ENABLE_DBUS
 845         if (application->keys) {
 846                 g_object_unref (application->keys);
 847                 application->keys = NULL;
 848         }
 849 #endif /* ENABLE_DBUS */
 850
 851         g_free (application->dot_dir);
 852         application->dot_dir = NULL;
 853         g_free (application->data_dir);
 854         application->data_dir = NULL;
 855         g_free (application->filechooser_open_uri);
 856         application->filechooser_open_uri = NULL;
 857         g_free (application->filechooser_save_uri);
 858         application->filechooser_save_uri = NULL;
 859
 860         g_object_unref (application);
 861         instance = NULL;
 862
 863         gtk_main_quit ();
 864 }
 865
 866 static void
 867 ev_application_class_init (EvApplicationClass *ev_application_class)
 868 {
 869 #ifdef ENABLE_DBUS
 870         dbus_g_object_type_install_info (EV_TYPE_APPLICATION,
 871                                          &dbus_glib_ev_application_object_info);
 872 #endif
 873 }
 874
 875 static void
 876 ev_application_init (EvApplication *ev_application)
 877 {
 878         gint i;
 879         const gchar *home_dir;
 880         gchar *toolbar_path;
 881         GError *error = NULL;
 882
 883         ev_application->dot_dir = g_build_filename (g_get_home_dir (),
 884                                                     ".gnome2",
 885                                                     "evince",
 886                                                     NULL);
 887
 888         /* FIXME: why make this fatal? */
 889         if (!ev_dir_ensure_exists (ev_application->dot_dir, 0700))
 890                 exit (1);
 891
 892 #ifdef G_OS_WIN32
 893 {
 894         gchar *dir;
 895
 896         dir = g_win32_get_package_installation_directory_of_module (NULL);
 897         ev_application->data_dir = g_build_filename (dir, "share", "evince", NULL);
 898         g_free (dir);
 899 }
 900 #else
 901         ev_application->data_dir = g_strdup (DATADIR);
 902 #endif
 903
 904         ev_application_init_session (ev_application);
 905
 906         home_dir = g_get_home_dir ();
 907         if (home_dir) {
 908                 ev_application->accel_map_file = g_build_filename (home_dir,
 909                                                                    ".gnome2",
 910                                                                    "accels",
 911                                                                    "evince",
 912                                                                    NULL);
 913                 gtk_accel_map_load (ev_application->accel_map_file);
 914         }
 915
 916         ev_application->toolbars_model = egg_toolbars_model_new ();
 917
 918         ev_application->toolbars_file = g_build_filename
 919                         (ev_application->dot_dir, "evince_toolbar.xml", NULL);
 920
 921         toolbar_path = g_build_filename (ev_application->data_dir,
 922                                          "evince-toolbar.xml", NULL);
 923         egg_toolbars_model_load_names (ev_application->toolbars_model,
 924                                        toolbar_path);
 925
 926         if (!egg_toolbars_model_load_toolbars (ev_application->toolbars_model,
 927                                                ev_application->toolbars_file)) {
 928                 egg_toolbars_model_load_toolbars (ev_application->toolbars_model,
 929                                                   toolbar_path);
 930         }
 931         g_free (toolbar_path);
 932
 933         /* Open item doesn't exist anymore,
 934          * convert it to OpenRecent for compatibility
 935          */
 936         for (i = 0; i < egg_toolbars_model_n_items (ev_application->toolbars_model, 0); i++) {
 937                 const gchar *item;
 938
 939                 item = egg_toolbars_model_item_nth (ev_application->toolbars_model, 0, i);
 940                 if (g_ascii_strcasecmp (item, "FileOpen") == 0) {
 941                         egg_toolbars_model_remove_item (ev_application->toolbars_model, 0, i);
 942                         egg_toolbars_model_add_item (ev_application->toolbars_model, 0, i,
 943                                                      "FileOpenRecent");
 944                         ev_application_save_toolbars_model (ev_application);
 945                         break;
 946                 }
 947         }
 948
 949         egg_toolbars_model_set_flags (ev_application->toolbars_model, 0,
 950                                       EGG_TB_MODEL_NOT_REMOVABLE);
 951
 952 #ifdef ENABLE_DBUS
 953         ev_application->connection = dbus_g_bus_get (DBUS_BUS_STARTER, &error);
 954         if (ev_application->connection) {
 955                 dbus_g_connection_register_g_object (ev_application->connection,
 956                                                      APPLICATION_DBUS_OBJECT_PATH,
 957                                                      G_OBJECT (ev_application));
 958                 ev_application->scr_saver = totem_scrsaver_new (ev_application->connection);
 959         } else {
 960                 g_warning ("Error connection to DBus: %s\n", error->message);
 961                 g_error_free (error);
 962         }
 963         ev_application->keys = ev_media_player_keys_new ();
 964 #endif /* ENABLE_DBUS */
 965 }
 966
 967 gboolean
 968 ev_application_has_window (EvApplication *application)
 969 {
 970         GList   *windows = ev_application_get_windows (application);
 971         gboolean retval = windows != NULL;
 972
 973         g_list_free (windows);
 974
 975         return retval;
 976 }
 977
 978 const gchar *
 979 ev_application_get_uri (EvApplication *application)
 980 {
 981         return application->uri;
 982 }
 983
 984 /**
 985  * ev_application_get_media_keys:
 986  * @application: The instance of the application.
 987  *
 988  * It gives you access to the media player keys handler object.
 989  *
 990  * Returns: A #EvMediaPlayerKeys.
 991  */
 992 GObject *
 993 ev_application_get_media_keys (EvApplication *application)
 994 {
 995 #ifdef ENABLE_DBUS
 996         return G_OBJECT (application->keys);
 997 #else
 998         return NULL;
 999 #endif /* ENABLE_DBUS */
1000 }
1001
1002 EggToolbarsModel *
1003 ev_application_get_toolbars_model (EvApplication *application)
1004 {
1005         return application->toolbars_model;
1006 }
1007
1008 void
1009 ev_application_save_toolbars_model (EvApplication *application)
1010 {
1011         egg_toolbars_model_save_toolbars (application->toolbars_model,
1012                                           application->toolbars_file, "1.0");
1013 }
1014
1015 void
1016 ev_application_set_filechooser_uri (EvApplication       *application,
1017                                     GtkFileChooserAction action,
1018                                     const gchar         *uri)
1019 {
1020         if (action == GTK_FILE_CHOOSER_ACTION_OPEN) {
1021                 g_free (application->filechooser_open_uri);
1022                 application->filechooser_open_uri = g_strdup (uri);
1023         } else if (action == GTK_FILE_CHOOSER_ACTION_SAVE) {
1024                 g_free (application->filechooser_save_uri);
1025                 application->filechooser_save_uri = g_strdup (uri);
1026         }
1027 }
1028
1029 const gchar *
1030 ev_application_get_filechooser_uri (EvApplication       *application,
1031                                     GtkFileChooserAction action)
1032 {
1033         if (action == GTK_FILE_CHOOSER_ACTION_OPEN) {
1034                 if (application->filechooser_open_uri)
1035                         return application->filechooser_open_uri;
1036         } else if (action == GTK_FILE_CHOOSER_ACTION_SAVE) {
1037                 if (application->filechooser_save_uri)
1038                         return application->filechooser_save_uri;
1039         }
1040
1041         return NULL;
1042 }
1043
1044 void
1045 ev_application_screensaver_enable (EvApplication *application)
1046 {
1047         if (application->scr_saver)
1048                 totem_scrsaver_enable (application->scr_saver);
1049 }
1050
1051 void
1052 ev_application_screensaver_disable (EvApplication *application)
1053 {
1054         if (application->scr_saver)
1055                 totem_scrsaver_disable (application->scr_saver);
1056 }
1057
1058 static GKeyFile *
1059 ev_application_get_print_settings_file (EvApplication *application)
1060 {
1061         gchar *filename;
1062
1063         if (application->print_settings_file)
1064                 return application->print_settings_file;
1065
1066         application->print_settings_file = g_key_file_new ();
1067
1068         filename = g_build_filename (ev_application_get_dot_dir (application), EV_PRINT_SETTINGS_FILE, NULL);
1069         if (g_file_test (filename, G_FILE_TEST_IS_REGULAR)) {
1070                 GError *error = NULL;
1071
1072                 g_key_file_load_from_file (application->print_settings_file,
1073                                            filename,
1074                                            G_KEY_FILE_KEEP_COMMENTS |
1075                                            G_KEY_FILE_KEEP_TRANSLATIONS,
1076                                            &error);
1077                 if (error) {
1078                         g_warning ("%s", error->message);
1079                         g_error_free (error);
1080                 }
1081         }
1082         g_free (filename);
1083
1084         return application->print_settings_file;
1085 }
1086
1087 static void
1088 ev_application_save_print_settings (EvApplication *application)
1089 {
1090         GKeyFile *key_file;
1091         gchar    *filename;
1092         gchar    *data;
1093         gssize    data_length;
1094         GError   *error = NULL;
1095
1096         if (!application->print_settings && !application->page_setup)
1097                 return;
1098
1099         key_file = ev_application_get_print_settings_file (application);
1100         if (application->print_settings)
1101                 gtk_print_settings_to_key_file (application->print_settings,
1102                                                 key_file,
1103                                                 EV_PRINT_SETTINGS_GROUP);
1104         if (application->page_setup)
1105                 gtk_page_setup_to_key_file (application->page_setup,
1106                                             key_file,
1107                                             EV_PAGE_SETUP_GROUP);
1108
1109         filename = g_build_filename (ev_application_get_dot_dir (application), EV_PRINT_SETTINGS_FILE, NULL);
1110         data = g_key_file_to_data (key_file, (gsize *)&data_length, NULL);
1111         g_file_set_contents (filename, data, data_length, &error);
1112         if (error) {
1113                 g_warning ("%s", error->message);
1114                 g_error_free (error);
1115         }
1116         g_free (data);
1117         g_free (filename);
1118 }
1119
1120 GtkPrintSettings *
1121 ev_application_get_print_settings (EvApplication *application)
1122 {
1123         GKeyFile         *key_file;
1124         GtkPrintSettings *print_settings;
1125
1126         if (application->print_settings)
1127                 return application->print_settings;
1128
1129         key_file = ev_application_get_print_settings_file (application);
1130         print_settings = g_key_file_has_group (key_file, EV_PRINT_SETTINGS_GROUP) ?
1131                 gtk_print_settings_new_from_key_file (key_file, EV_PRINT_SETTINGS_GROUP, NULL) :
1132                 gtk_print_settings_new ();
1133
1134         application->print_settings = print_settings ? print_settings : gtk_print_settings_new ();
1135
1136         return application->print_settings;
1137 }
1138
1139 void
1140 ev_application_set_print_settings (EvApplication    *application,
1141                                    GtkPrintSettings *settings)
1142 {
1143         GKeyFile *key_file;
1144
1145         g_return_if_fail (GTK_IS_PRINT_SETTINGS (settings));
1146
1147         if (settings == application->print_settings)
1148                 return;
1149
1150         key_file = ev_application_get_print_settings_file (application);
1151
1152         if (application->print_settings)
1153                 g_object_unref (application->print_settings);
1154
1155         application->print_settings = g_object_ref (settings);
1156         gtk_print_settings_to_key_file (settings, key_file, EV_PRINT_SETTINGS_GROUP);
1157 }
1158
1159 GtkPageSetup *
1160 ev_application_get_page_setup (EvApplication *application)
1161 {
1162         GKeyFile     *key_file;
1163         GtkPageSetup *page_setup;
1164
1165         if (application->page_setup)
1166                 return application->page_setup;
1167
1168         key_file = ev_application_get_print_settings_file (application);
1169         page_setup = g_key_file_has_group (key_file, EV_PAGE_SETUP_GROUP) ?
1170                 gtk_page_setup_new_from_key_file (key_file, EV_PAGE_SETUP_GROUP, NULL) :
1171                 gtk_page_setup_new ();
1172
1173         application->page_setup = page_setup ? page_setup : gtk_page_setup_new ();
1174
1175         return application->page_setup;
1176 }
1177
1178 void
1179 ev_application_set_page_setup (EvApplication *application,
1180                                GtkPageSetup  *page_setup)
1181 {
1182         GKeyFile *key_file;
1183
1184         g_return_if_fail (GTK_IS_PAGE_SETUP (page_setup));
1185
1186         if (page_setup == application->page_setup)
1187                 return;
1188
1189         key_file = ev_application_get_print_settings_file (application);
1190
1191         if (application->page_setup)
1192                 g_object_unref (application->page_setup);
1193
1194         application->page_setup = g_object_ref (page_setup);
1195         gtk_page_setup_to_key_file (page_setup, key_file, EV_PAGE_SETUP_GROUP);
1196 }
1197
1198 const gchar *
1199 ev_application_get_dot_dir (EvApplication   *application)
1200 {
1201         return application->dot_dir;
1202 }
1203
1204 const gchar *
1205 ev_application_get_data_dir (EvApplication   *application)
1206 {
1207         return application->data_dir;
1208 }