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 <glib/gstdio.h>
  31 #include <gtk/gtk.h>
  32 #ifdef GDK_WINDOWING_X11
  33 #include <gdk/gdkx.h>
  34 #endif
  35 #include <unistd.h>
  36
  37 #include "totem-scrsaver.h"
  38
  39 #ifdef WITH_SMCLIENT
  40 #include "eggsmclient.h"
  41 #endif
  42
  43 #include "ev-application.h"
  44 #include "ev-file-helpers.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 struct _EvApplication {
  62         GObject base_instance;
  63
  64         gchar *uri;
  65
  66         gchar *dot_dir;
  67         gchar *data_dir;
  68
  69 #ifdef ENABLE_DBUS
  70         DBusGConnection *connection;
  71         EvMediaPlayerKeys *keys;
  72 #endif
  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
  84 struct _EvApplicationClass {
  85         GObjectClass base_class;
  86 };
  87
  88 static EvApplication *instance;
  89
  90 G_DEFINE_TYPE (EvApplication, ev_application, G_TYPE_OBJECT);
  91
  92 #ifdef ENABLE_DBUS
  93 #define APPLICATION_DBUS_OBJECT_PATH "/org/gnome/evince/Evince"
  94 #define APPLICATION_DBUS_INTERFACE   "org.gnome.evince.Application"
  95 #endif
  96
  97 /**
  98  * ev_application_get_instance:
  99  *
 100  * Checks for #EvApplication instance, if it doesn't exist it does create it.
 101  *
 102  * Returns: an instance of the #EvApplication data.
 103  */
 104 EvApplication *
 105 ev_application_get_instance (void)
 106 {
 107         if (!instance) {
 108                 instance = EV_APPLICATION (g_object_new (EV_TYPE_APPLICATION, NULL));
 109         }
 110
 111         return instance;
 112 }
 113
 114 /* Session */
 115 gboolean
 116 ev_application_load_session (EvApplication *application)
 117 {
 118         GKeyFile *state_file;
 119         gchar    *uri;
 120
 121 #ifdef WITH_SMCLIENT
 122         if (egg_sm_client_is_resumed (application->smclient)) {
 123                 state_file = egg_sm_client_get_state_file (application->smclient);
 124                 if (!state_file)
 125                         return FALSE;
 126         } else
 127 #endif /* WITH_SMCLIENT */
 128                 return FALSE;
 129
 130         uri = g_key_file_get_string (state_file, "Evince", "uri", NULL);
 131         if (!uri)
 132                 return FALSE;
 133
 134         ev_application_open_uri_at_dest (application, uri,
 135                                          gdk_screen_get_default (),
 136                                          NULL, 0, NULL,
 137                                          GDK_CURRENT_TIME);
 138         g_free (uri);
 139         g_key_file_free (state_file);
 140
 141         return TRUE;
 142 }
 143
 144 #ifdef WITH_SMCLIENT
 145
 146 static void
 147 smclient_save_state_cb (EggSMClient   *client,
 148                         GKeyFile      *state_file,
 149                         EvApplication *application)
 150 {
 151         if (!application->uri)
 152                 return;
 153
 154         g_key_file_set_string (state_file, "Evince", "uri", application->uri);
 155 }
 156
 157 static void
 158 smclient_quit_cb (EggSMClient   *client,
 159                   EvApplication *application)
 160 {
 161         ev_application_shutdown (application);
 162 }
 163 #endif /* WITH_SMCLIENT */
 164
 165 static void
 166 ev_application_init_session (EvApplication *application)
 167 {
 168 #ifdef WITH_SMCLIENT
 169         application->smclient = egg_sm_client_get ();
 170         g_signal_connect (application->smclient, "save_state",
 171                           G_CALLBACK (smclient_save_state_cb),
 172                           application);
 173         g_signal_connect (application->smclient, "quit",
 174                           G_CALLBACK (smclient_quit_cb),
 175                           application);
 176 #endif
 177 }
 178
 179 /**
 180  * ev_display_open_if_needed:
 181  * @name: the name of the display to be open if it's needed.
 182  *
 183  * Search among all the open displays if any of them have the same name as the
 184  * passed name. If the display isn't found it tries the open it.
 185  *
 186  * Returns: a #GdkDisplay of the display with the passed name.
 187  */
 188 static GdkDisplay *
 189 ev_display_open_if_needed (const gchar *name)
 190 {
 191         GSList     *displays;
 192         GSList     *l;
 193         GdkDisplay *display = NULL;
 194
 195         displays = gdk_display_manager_list_displays (gdk_display_manager_get ());
 196
 197         for (l = displays; l != NULL; l = l->next) {
 198                 const gchar *display_name = gdk_display_get_name ((GdkDisplay *) l->data);
 199
 200                 if (g_ascii_strcasecmp (display_name, name) == 0) {
 201                         display = l->data;
 202                         break;
 203                 }
 204         }
 205
 206         g_slist_free (displays);
 207
 208         return display != NULL ? display : gdk_display_open (name);
 209 }
 210
 211 /**
 212  * get_screen_from_args:
 213  * @args: a #GHashTable with data passed to the application.
 214  *
 215  * Looks for the screen in the display available in the hash table passed to the
 216  * application. If the display isn't opened, it's opened and the #GdkScreen
 217  * assigned to the screen in that display returned.
 218  *
 219  * Returns: the #GdkScreen assigned to the screen on the display indicated by
 220  *          the data on the #GHashTable.
 221  */
 222 static GdkScreen *
 223 get_screen_from_args (GHashTable *args)
 224 {
 225         GValue     *value = NULL;
 226         GdkDisplay *display = NULL;
 227         GdkScreen  *screen = NULL;
 228
 229         g_assert (args != NULL);
 230
 231         value = g_hash_table_lookup (args, "display");
 232         if (value) {
 233                 const gchar *display_name;
 234
 235                 display_name = g_value_get_string (value);
 236                 display = ev_display_open_if_needed (display_name);
 237         }
 238
 239         value = g_hash_table_lookup (args, "screen");
 240         if (value) {
 241                 gint screen_number;
 242
 243                 screen_number = g_value_get_int (value);
 244                 screen = gdk_display_get_screen (display, screen_number);
 245         }
 246
 247         return screen;
 248 }
 249
 250 /**
 251  * get_window_run_mode_from_args:
 252  * @args: a #GHashTable with data passed to the application.
 253  *
 254  * It does look if the mode option has been passed from command line, using it
 255  * as the window run mode, otherwise the run mode will be the normal mode.
 256  *
 257  * Returns: The window run mode passed from command line or
 258  *          EV_WINDOW_MODE_NORMAL in other case.
 259  */
 260 static EvWindowRunMode
 261 get_window_run_mode_from_args (GHashTable *args)
 262 {
 263         EvWindowRunMode  mode = EV_WINDOW_MODE_NORMAL;
 264         GValue          *value = NULL;
 265
 266         g_assert (args != NULL);
 267
 268         value = g_hash_table_lookup (args, "mode");
 269         if (value) {
 270                 mode = g_value_get_uint (value);
 271         }
 272
 273         return mode;
 274 }
 275
 276 /**
 277  * get_destination_from_args:
 278  * @args: a #GHashTable with data passed to the application.
 279  *
 280  * It does look for the page-label argument parsed from the command line and
 281  * if it does exist, it returns an #EvLinkDest.
 282  *
 283  * Returns: An #EvLinkDest to page-label if it has been passed from the command
 284  *          line, NULL in other case.
 285  */
 286 static EvLinkDest *
 287 get_destination_from_args (GHashTable *args)
 288 {
 289         EvLinkDest *dest = NULL;
 290         GValue     *value = NULL;
 291
 292         g_assert (args != NULL);
 293
 294         value = g_hash_table_lookup (args, "page-label");
 295         if (value) {
 296                 const gchar *page_label;
 297
 298                 page_label = g_value_get_string (value);
 299                 dest = ev_link_dest_new_page_label (page_label);
 300         }
 301
 302         return dest;
 303 }
 304
 305 static const gchar *
 306 get_find_string_from_args (GHashTable *args)
 307 {
 308         GValue *value = NULL;
 309
 310         g_assert (args != NULL);
 311
 312         value = g_hash_table_lookup (args, "find-string");
 313
 314         return value ? g_value_get_string (value) : NULL;
 315 }
 316
 317 static void
 318 value_free (GValue *value)
 319 {
 320         g_value_unset (value);
 321         g_free (value);
 322 }
 323
 324 static GHashTable *
 325 build_args (GdkScreen      *screen,
 326             EvLinkDest     *dest,
 327             EvWindowRunMode mode,
 328             const gchar    *search_string)
 329 {
 330         GHashTable  *args;
 331         GValue      *value;
 332         GdkDisplay  *display;
 333         const gchar *display_name;
 334         gint         screen_number;
 335
 336         args = g_hash_table_new_full (g_str_hash,
 337                                       g_str_equal,
 338                                       (GDestroyNotify)g_free,
 339                                       (GDestroyNotify)value_free);
 340
 341         /* Display */
 342         display = gdk_screen_get_display (screen);
 343         display_name = gdk_display_get_name (display);
 344         value = g_new0 (GValue, 1);
 345         g_value_init (value, G_TYPE_STRING);
 346         g_value_set_string (value, display_name);
 347         g_hash_table_insert (args, g_strdup ("display"), value);
 348
 349         /* Screen */
 350         screen_number = gdk_screen_get_number (screen);
 351         value = g_new0 (GValue, 1);
 352         g_value_init (value, G_TYPE_INT);
 353         g_value_set_int (value, screen_number);
 354         g_hash_table_insert (args, g_strdup ("screen"), value);
 355
 356         /* Page label */
 357         if (dest) {
 358                 value = g_new0 (GValue, 1);
 359                 g_value_init (value, G_TYPE_STRING);
 360                 g_value_set_string (value, ev_link_dest_get_page_label (dest));
 361
 362                 g_hash_table_insert (args, g_strdup ("page-label"), value);
 363         }
 364
 365         /* Find string */
 366         if (search_string) {
 367                 value = g_new0 (GValue, 1);
 368                 g_value_init (value, G_TYPE_STRING);
 369                 g_value_set_string (value, search_string);
 370
 371                 g_hash_table_insert (args, g_strdup ("find-string"), value);
 372         }
 373
 374         /* Mode */
 375         if (mode != EV_WINDOW_MODE_NORMAL) {
 376                 value = g_new0 (GValue, 1);
 377                 g_value_init (value, G_TYPE_UINT);
 378                 g_value_set_uint (value, mode);
 379
 380                 g_hash_table_insert (args, g_strdup ("mode"), value);
 381         }
 382
 383         return args;
 384 }
 385
 386 static void
 387 child_setup (gpointer user_data)
 388 {
 389         gchar *startup_id;
 390
 391         startup_id = g_strdup_printf ("_TIME%lu",
 392                                       (unsigned long)GPOINTER_TO_INT (user_data));
 393         g_setenv ("DESKTOP_STARTUP_ID", startup_id, TRUE);
 394         g_free (startup_id);
 395 }
 396
 397 static void
 398 ev_spawn (const char     *uri,
 399           GdkScreen      *screen,
 400           EvLinkDest     *dest,
 401           EvWindowRunMode mode,
 402           const gchar    *search_string,
 403           guint           timestamp)
 404 {
 405         gchar   *argv[6];
 406         guint    arg = 0;
 407         gint     i;
 408         gboolean res;
 409         GError  *error = NULL;
 410
 411 #ifdef G_OS_WIN32
 412 {
 413         gchar *dir;
 414
 415         dir = g_win32_get_package_installation_directory_of_module (NULL);
 416         argv[arg++] = g_build_filename (dir, "bin", "evince", NULL);
 417         g_free (dir);
 418 }
 419 #else
 420         argv[arg++] = g_build_filename (BINDIR, "evince", NULL);
 421 #endif
 422
 423         /* Page label */
 424         if (dest) {
 425                 const gchar *page_label;
 426
 427                 page_label = ev_link_dest_get_page_label (dest);
 428                 if (page_label)
 429                         argv[arg++] = g_strdup_printf ("--page-label=%s", page_label);
 430                 else
 431                         argv[arg++] = g_strdup_printf ("--page-label=%d",
 432                                                        ev_link_dest_get_page (dest));
 433         }
 434
 435         /* Find string */
 436         if (search_string) {
 437                 argv[arg++] = g_strdup_printf ("--find=%s", search_string);
 438         }
 439
 440         /* Mode */
 441         switch (mode) {
 442         case EV_WINDOW_MODE_FULLSCREEN:
 443                 argv[arg++] = g_strdup ("-f");
 444                 break;
 445         case EV_WINDOW_MODE_PRESENTATION:
 446                 argv[arg++] = g_strdup ("-s");
 447                 break;
 448         default:
 449                 break;
 450         }
 451
 452         argv[arg++] = (gchar *)uri;
 453         argv[arg] = NULL;
 454
 455         res = gdk_spawn_on_screen (screen, NULL /* wd */, argv, NULL /* env */,
 456                                    0,
 457                                    child_setup,
 458                                    GINT_TO_POINTER(timestamp),
 459                                    NULL, &error);
 460         if (!res) {
 461                 g_warning ("Error launching evince %s: %s\n", uri, error->message);
 462                 g_error_free (error);
 463         }
 464
 465         for (i = 0; i < arg - 1; i++) {
 466                 g_free (argv[i]);
 467         }
 468 }
 469
 470 static GList *
 471 ev_application_get_windows (EvApplication *application)
 472 {
 473         GList *l, *toplevels;
 474         GList *windows = NULL;
 475
 476         toplevels = gtk_window_list_toplevels ();
 477
 478         for (l = toplevels; l != NULL; l = l->next) {
 479                 if (EV_IS_WINDOW (l->data)) {
 480                         windows = g_list_append (windows, l->data);
 481                 }
 482         }
 483
 484         g_list_free (toplevels);
 485
 486         return windows;
 487 }
 488
 489 static EvWindow *
 490 ev_application_get_empty_window (EvApplication *application,
 491                                  GdkScreen     *screen)
 492 {
 493         EvWindow *empty_window = NULL;
 494         GList    *windows = ev_application_get_windows (application);
 495         GList    *l;
 496
 497         for (l = windows; l != NULL; l = l->next) {
 498                 EvWindow *window = EV_WINDOW (l->data);
 499
 500                 if (ev_window_is_empty (window) &&
 501                     gtk_window_get_screen (GTK_WINDOW (window)) == screen) {
 502                         empty_window = window;
 503                         break;
 504                 }
 505         }
 506
 507         g_list_free (windows);
 508
 509         return empty_window;
 510 }
 511
 512
 513 #ifdef ENABLE_DBUS
 514 static gboolean
 515 ev_application_register_uri (EvApplication *application,
 516                              const gchar   *uri,
 517                              GHashTable    *args,
 518                              guint          timestamp)
 519 {
 520         DBusGProxy *proxy;
 521         gchar      *owner;
 522         gboolean    retval = TRUE;
 523         GError     *error = NULL;
 524
 525         if (!application->connection)
 526                 return TRUE;
 527
 528         proxy = dbus_g_proxy_new_for_name (application->connection,
 529                                            "org.gnome.evince.Daemon",
 530                                            "/org/gnome/evince/Daemon",
 531                                            "org.gnome.evince.Daemon");
 532         if (!dbus_g_proxy_call (proxy, "RegisterDocument", &error,
 533                                 G_TYPE_STRING, uri,
 534                                 G_TYPE_INVALID,
 535                                 G_TYPE_STRING, &owner,
 536                                 G_TYPE_INVALID)) {
 537                 g_warning ("Error registering document: %s\n", error->message);
 538                 g_error_free (error);
 539                 g_object_unref (proxy);
 540
 541                 return TRUE;
 542         }
 543         g_object_unref (proxy);
 544
 545         if (*owner == ':') {
 546                 /* Already registered */
 547                 proxy = dbus_g_proxy_new_for_name_owner (application->connection,
 548                                                          owner,
 549                                                          APPLICATION_DBUS_OBJECT_PATH,
 550                                                          APPLICATION_DBUS_INTERFACE,
 551                                                          &error);
 552                 if (proxy) {
 553                         if (!dbus_g_proxy_call (proxy, "OpenURI", &error,
 554                                                 G_TYPE_STRING, uri,
 555                                                 dbus_g_type_get_map ("GHashTable", G_TYPE_STRING, G_TYPE_VALUE), args,
 556                                                 G_TYPE_UINT, timestamp,
 557                                                 G_TYPE_INVALID,
 558                                                 G_TYPE_INVALID)) {
 559                                 g_warning ("%s", error->message);
 560                                 g_error_free (error);
 561                         }
 562                         g_object_unref (proxy);
 563                 } else {
 564                         g_warning ("Error creating proxy: %s\n", error->message);
 565                         g_error_free (error);
 566                 }
 567
 568                 /* Do not continue opening this document */
 569                 retval = FALSE;
 570         }
 571
 572         g_free (owner);
 573
 574         return retval;
 575 }
 576
 577 static void
 578 ev_application_unregister_uri (EvApplication *application,
 579                                const gchar   *uri)
 580 {
 581         DBusGProxy *proxy;
 582         GError     *error = NULL;
 583
 584         if (!application->connection)
 585                 return;
 586
 587         proxy = dbus_g_proxy_new_for_name (application->connection,
 588                                            "org.gnome.evince.Daemon",
 589                                            "/org/gnome/evince/Daemon",
 590                                            "org.gnome.evince.Daemon");
 591         if (!dbus_g_proxy_call (proxy, "UnregisterDocument", &error,
 592                                 G_TYPE_STRING, uri,
 593                                 G_TYPE_INVALID,
 594                                 G_TYPE_INVALID)) {
 595                 g_warning ("Error unregistering document: %s\n", error->message);
 596                 g_error_free (error);
 597         }
 598
 599         g_object_unref (proxy);
 600 }
 601 #endif /* ENABLE_DBUS */
 602
 603 static void
 604 ev_application_open_uri_in_window (EvApplication  *application,
 605                                    const char     *uri,
 606                                    EvWindow       *ev_window,
 607                                    GdkScreen      *screen,
 608                                    EvLinkDest     *dest,
 609                                    EvWindowRunMode mode,
 610                                    const gchar    *search_string,
 611                                    guint           timestamp)
 612 {
 613 #ifdef GDK_WINDOWING_X11
 614         GdkWindow *gdk_window;
 615 #endif
 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_get_realized (GTK_WIDGET (ev_window)))
 627                 gtk_widget_realize (GTK_WIDGET (ev_window));
 628
 629 #ifdef GDK_WINDOWING_X11
 630         gdk_window = gtk_widget_get_window (GTK_WIDGET (ev_window));
 631
 632         if (timestamp <= 0)
 633                 timestamp = gdk_x11_get_server_time (gdk_window);
 634         gdk_x11_window_set_user_time (gdk_window, timestamp);
 635
 636         ev_document_fc_mutex_lock ();
 637         gtk_window_present (GTK_WINDOW (ev_window));
 638         ev_document_fc_mutex_unlock ();
 639 #else
 640         ev_document_fc_mutex_lock ();
 641         gtk_window_present_with_time (GTK_WINDOW (ev_window), timestamp);
 642         ev_document_fc_mutex_unlock ();
 643 #endif /* GDK_WINDOWING_X11 */
 644 }
 645
 646 /**
 647  * ev_application_open_uri_at_dest:
 648  * @application: The instance of the application.
 649  * @uri: The uri to be opened.
 650  * @screen: Thee screen where the link will be shown.
 651  * @dest: The #EvLinkDest of the document.
 652  * @mode: The run mode of the window.
 653  * @timestamp: Current time value.
 654  */
 655 void
 656 ev_application_open_uri_at_dest (EvApplication  *application,
 657                                  const char     *uri,
 658                                  GdkScreen      *screen,
 659                                  EvLinkDest     *dest,
 660                                  EvWindowRunMode mode,
 661                                  const gchar    *search_string,
 662                                  guint           timestamp)
 663 {
 664         EvWindow *ev_window;
 665
 666         g_return_if_fail (uri != NULL);
 667
 668         if (application->uri && strcmp (application->uri, uri) != 0) {
 669                 /* spawn a new evince process */
 670                 ev_spawn (uri, screen, dest, mode, search_string, timestamp);
 671                 return;
 672         } else {
 673 #ifdef ENABLE_DBUS
 674                 GHashTable *args = build_args (screen, dest, mode, search_string);
 675                 gboolean    ret;
 676
 677                 /* Register the uri or send OpenURI to
 678                  * remote instance if already registered
 679                  */
 680                 ret = ev_application_register_uri (application, uri, args, timestamp);
 681                 g_hash_table_destroy (args);
 682                 if (!ret)
 683                         return;
 684 #endif /* ENABLE_DBUS */
 685
 686                 ev_window = ev_application_get_empty_window (application, screen);
 687                 if (!ev_window)
 688                         ev_window = EV_WINDOW (ev_window_new ());
 689         }
 690
 691         application->uri = g_strdup (uri);
 692
 693         ev_application_open_uri_in_window (application, uri, ev_window,
 694                                            screen, dest, mode,
 695                                            search_string,
 696                                            timestamp);
 697 }
 698
 699 /**
 700  * ev_application_open_window:
 701  * @application: The instance of the application.
 702  * @timestamp: Current time value.
 703  *
 704  * Creates a new window
 705  */
 706 void
 707 ev_application_open_window (EvApplication *application,
 708                             GdkScreen     *screen,
 709                             guint32        timestamp)
 710 {
 711         GtkWidget *new_window = ev_window_new ();
 712 #ifdef GDK_WINDOWING_X11
 713         GdkWindow *gdk_window;
 714 #endif
 715
 716         if (screen) {
 717                 ev_stock_icons_set_screen (screen);
 718                 gtk_window_set_screen (GTK_WINDOW (new_window), screen);
 719         }
 720
 721         if (!gtk_widget_get_realized (new_window))
 722                 gtk_widget_realize (new_window);
 723
 724 #ifdef GDK_WINDOWING_X11
 725         gdk_window = gtk_widget_get_window (GTK_WIDGET (new_window));
 726
 727         if (timestamp <= 0)
 728                 timestamp = gdk_x11_get_server_time (gdk_window);
 729         gdk_x11_window_set_user_time (gdk_window, timestamp);
 730
 731         gtk_window_present (GTK_WINDOW (new_window));
 732 #else
 733         gtk_window_present_with_time (GTK_WINDOW (new_window), timestamp);
 734 #endif /* GDK_WINDOWING_X11 */
 735 }
 736
 737 /**
 738  * ev_application_open_uri:
 739  * @application: The instance of the application.
 740  * @uri: The uri to be opened
 741  * @args: A #GHashTable with the arguments data.
 742  * @timestamp: Current time value.
 743  * @error: The #GError facility.
 744  */
 745 static gboolean
 746 ev_application_open_uri (EvApplication  *application,
 747                          const char     *uri,
 748                          GHashTable     *args,
 749                          guint           timestamp,
 750                          GError        **error)
 751 {
 752         GList           *windows, *l;
 753         EvLinkDest      *dest = NULL;
 754         EvWindowRunMode  mode = EV_WINDOW_MODE_NORMAL;
 755         const gchar     *search_string = NULL;
 756         GdkScreen       *screen = NULL;
 757
 758         g_assert (application->uri != NULL);
 759
 760         /* FIXME: we don't need uri anymore,
 761          * maybe this method should be renamed
 762          * as reload, refresh or something like that
 763          */
 764         if (!application->uri || strcmp (application->uri, uri)) {
 765                 g_warning ("Invalid uri: %s, expected %s\n",
 766                            uri, application->uri);
 767                 return TRUE;
 768         }
 769
 770         if (args) {
 771                 screen = get_screen_from_args (args);
 772                 dest = get_destination_from_args (args);
 773                 mode = get_window_run_mode_from_args (args);
 774                 search_string = get_find_string_from_args (args);
 775         }
 776
 777         windows = ev_application_get_windows (application);
 778         for (l = windows; l != NULL; l = g_list_next (l)) {
 779                 EvWindow *ev_window = EV_WINDOW (l->data);
 780
 781                 ev_application_open_uri_in_window (application, uri, ev_window,
 782                                                    screen, dest, mode,
 783                                                    search_string,
 784                                                    timestamp);
 785         }
 786         g_list_free (windows);
 787
 788         if (dest)
 789                 g_object_unref (dest);
 790
 791         return TRUE;
 792 }
 793
 794 void
 795 ev_application_open_uri_list (EvApplication *application,
 796                               GSList        *uri_list,
 797                               GdkScreen     *screen,
 798                               guint          timestamp)
 799 {
 800         GSList *l;
 801
 802         for (l = uri_list; l != NULL; l = l->next) {
 803                 ev_application_open_uri_at_dest (application, (char *)l->data,
 804                                                  screen, NULL, 0, NULL,
 805                                                  timestamp);
 806         }
 807 }
 808
 809 static void
 810 ev_application_accel_map_save (EvApplication *application)
 811 {
 812         gchar *accel_map_file;
 813         gchar *tmp_filename;
 814         gint   fd;
 815
 816         accel_map_file = g_build_filename (g_get_home_dir (),
 817                                            ".gnome2", "accels",
 818                                            "evince", NULL);
 819
 820         tmp_filename = g_strdup_printf ("%s.XXXXXX", accel_map_file);
 821
 822         fd = g_mkstemp (tmp_filename);
 823         if (fd == -1) {
 824                 g_free (accel_map_file);
 825                 g_free (tmp_filename);
 826
 827                 return;
 828         }
 829         gtk_accel_map_save_fd (fd);
 830         close (fd);
 831
 832         if (g_rename (tmp_filename, accel_map_file) == -1) {
 833                 /* FIXME: win32? */
 834                 g_unlink (tmp_filename);
 835         }
 836
 837         g_free (accel_map_file);
 838         g_free (tmp_filename);
 839 }
 840
 841 static void
 842 ev_application_accel_map_load (EvApplication *application)
 843 {
 844         gchar *accel_map_file;
 845
 846         accel_map_file = g_build_filename (g_get_home_dir (),
 847                                            ".gnome2", "accels",
 848                                            "evince", NULL);
 849         gtk_accel_map_load (accel_map_file);
 850         g_free (accel_map_file);
 851 }
 852
 853 void
 854 ev_application_shutdown (EvApplication *application)
 855 {
 856         if (application->uri) {
 857 #ifdef ENABLE_DBUS
 858                 ev_application_unregister_uri (application,
 859                                                application->uri);
 860 #endif
 861                 g_free (application->uri);
 862                 application->uri = NULL;
 863         }
 864
 865         ev_application_accel_map_save (application);
 866
 867         g_object_unref (application->scr_saver);
 868         application->scr_saver = NULL;
 869
 870 #ifdef ENABLE_DBUS
 871         if (application->keys) {
 872                 g_object_unref (application->keys);
 873                 application->keys = NULL;
 874         }
 875 #endif /* ENABLE_DBUS */
 876
 877         g_free (application->dot_dir);
 878         application->dot_dir = NULL;
 879         g_free (application->data_dir);
 880         application->data_dir = NULL;
 881         g_free (application->filechooser_open_uri);
 882         application->filechooser_open_uri = NULL;
 883         g_free (application->filechooser_save_uri);
 884         application->filechooser_save_uri = NULL;
 885
 886         g_object_unref (application);
 887         instance = NULL;
 888
 889         gtk_main_quit ();
 890 }
 891
 892 static void
 893 ev_application_class_init (EvApplicationClass *ev_application_class)
 894 {
 895 #ifdef ENABLE_DBUS
 896         dbus_g_object_type_install_info (EV_TYPE_APPLICATION,
 897                                          &dbus_glib_ev_application_object_info);
 898 #endif
 899 }
 900
 901 static void
 902 ev_application_init (EvApplication *ev_application)
 903 {
 904         GError *error = NULL;
 905
 906         ev_application->dot_dir = g_build_filename (g_get_home_dir (),
 907                                                     ".gnome2",
 908                                                     "evince",
 909                                                     NULL);
 910
 911 #ifdef G_OS_WIN32
 912 {
 913         gchar *dir;
 914
 915         dir = g_win32_get_package_installation_directory_of_module (NULL);
 916         ev_application->data_dir = g_build_filename (dir, "share", "evince", NULL);
 917         g_free (dir);
 918 }
 919 #else
 920         ev_application->data_dir = g_strdup (DATADIR);
 921 #endif
 922
 923         ev_application_init_session (ev_application);
 924
 925         ev_application_accel_map_load (ev_application);
 926
 927         ev_application->scr_saver = totem_scrsaver_new ();
 928
 929 #ifdef ENABLE_DBUS
 930         ev_application->connection = dbus_g_bus_get (DBUS_BUS_STARTER, &error);
 931         if (ev_application->connection) {
 932                 dbus_g_connection_register_g_object (ev_application->connection,
 933                                                      APPLICATION_DBUS_OBJECT_PATH,
 934                                                      G_OBJECT (ev_application));
 935         } else {
 936                 g_warning ("Error connection to DBus: %s\n", error->message);
 937                 g_error_free (error);
 938         }
 939         ev_application->keys = ev_media_player_keys_new ();
 940 #endif /* ENABLE_DBUS */
 941 }
 942
 943 gboolean
 944 ev_application_has_window (EvApplication *application)
 945 {
 946         GList   *windows = ev_application_get_windows (application);
 947         gboolean retval = windows != NULL;
 948
 949         g_list_free (windows);
 950
 951         return retval;
 952 }
 953
 954 const gchar *
 955 ev_application_get_uri (EvApplication *application)
 956 {
 957         return application->uri;
 958 }
 959
 960 /**
 961  * ev_application_get_media_keys:
 962  * @application: The instance of the application.
 963  *
 964  * It gives you access to the media player keys handler object.
 965  *
 966  * Returns: A #EvMediaPlayerKeys.
 967  */
 968 GObject *
 969 ev_application_get_media_keys (EvApplication *application)
 970 {
 971 #ifdef ENABLE_DBUS
 972         return G_OBJECT (application->keys);
 973 #else
 974         return NULL;
 975 #endif /* ENABLE_DBUS */
 976 }
 977
 978 void
 979 ev_application_set_filechooser_uri (EvApplication       *application,
 980                                     GtkFileChooserAction action,
 981                                     const gchar         *uri)
 982 {
 983         if (action == GTK_FILE_CHOOSER_ACTION_OPEN) {
 984                 g_free (application->filechooser_open_uri);
 985                 application->filechooser_open_uri = g_strdup (uri);
 986         } else if (action == GTK_FILE_CHOOSER_ACTION_SAVE) {
 987                 g_free (application->filechooser_save_uri);
 988                 application->filechooser_save_uri = g_strdup (uri);
 989         }
 990 }
 991
 992 const gchar *
 993 ev_application_get_filechooser_uri (EvApplication       *application,
 994                                     GtkFileChooserAction action)
 995 {
 996         if (action == GTK_FILE_CHOOSER_ACTION_OPEN) {
 997                 if (application->filechooser_open_uri)
 998                         return application->filechooser_open_uri;
 999         } else if (action == GTK_FILE_CHOOSER_ACTION_SAVE) {
1000                 if (application->filechooser_save_uri)
1001                         return application->filechooser_save_uri;
1002         }
1003
1004         return NULL;
1005 }
1006
1007 void
1008 ev_application_screensaver_enable (EvApplication *application)
1009 {
1010         totem_scrsaver_enable (application->scr_saver);
1011 }
1012
1013 void
1014 ev_application_screensaver_disable (EvApplication *application)
1015 {
1016         totem_scrsaver_disable (application->scr_saver);
1017 }
1018
1019 const gchar *
1020 ev_application_get_dot_dir (EvApplication *application,
1021                             gboolean create)
1022 {
1023         if (create)
1024                 g_mkdir_with_parents (application->dot_dir, 0700);
1025
1026         return application->dot_dir;
1027 }
1028
1029 const gchar *
1030 ev_application_get_data_dir (EvApplication   *application)
1031 {
1032         return application->data_dir;
1033 }