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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 static const gchar *userdir = NULL;
  98
  99 /**
 100  * ev_application_get_instance:
 101  *
 102  * Checks for #EvApplication instance, if it doesn't exist it does create it.
 103  *
 104  * Returns: an instance of the #EvApplication data.
 105  */
 106 EvApplication *
 107 ev_application_get_instance (void)
 108 {
 109         if (!instance) {
 110                 instance = EV_APPLICATION (g_object_new (EV_TYPE_APPLICATION, NULL));
 111         }
 112
 113         return instance;
 114 }
 115
 116 /* Session */
 117 gboolean
 118 ev_application_load_session (EvApplication *application)
 119 {
 120         GKeyFile *state_file;
 121         gchar    *uri;
 122
 123 #ifdef WITH_SMCLIENT
 124         if (egg_sm_client_is_resumed (application->smclient)) {
 125                 state_file = egg_sm_client_get_state_file (application->smclient);
 126                 if (!state_file)
 127                         return FALSE;
 128         } else
 129 #endif /* WITH_SMCLIENT */
 130                 return FALSE;
 131
 132         uri = g_key_file_get_string (state_file, "Evince", "uri", NULL);
 133         if (!uri)
 134                 return FALSE;
 135
 136         ev_application_open_uri_at_dest (application, uri,
 137                                          gdk_screen_get_default (),
 138                                          NULL, 0, NULL,
 139                                          GDK_CURRENT_TIME);
 140         g_free (uri);
 141         g_key_file_free (state_file);
 142
 143         return TRUE;
 144 }
 145
 146 #ifdef WITH_SMCLIENT
 147
 148 static void
 149 smclient_save_state_cb (EggSMClient   *client,
 150                         GKeyFile      *state_file,
 151                         EvApplication *application)
 152 {
 153         if (!application->uri)
 154                 return;
 155
 156         g_key_file_set_string (state_file, "Evince", "uri", application->uri);
 157 }
 158
 159 static void
 160 smclient_quit_cb (EggSMClient   *client,
 161                   EvApplication *application)
 162 {
 163         ev_application_shutdown (application);
 164 }
 165 #endif /* WITH_SMCLIENT */
 166
 167 static void
 168 ev_application_init_session (EvApplication *application)
 169 {
 170 #ifdef WITH_SMCLIENT
 171         application->smclient = egg_sm_client_get ();
 172         g_signal_connect (application->smclient, "save_state",
 173                           G_CALLBACK (smclient_save_state_cb),
 174                           application);
 175         g_signal_connect (application->smclient, "quit",
 176                           G_CALLBACK (smclient_quit_cb),
 177                           application);
 178 #endif
 179 }
 180
 181 /**
 182  * ev_display_open_if_needed:
 183  * @name: the name of the display to be open if it's needed.
 184  *
 185  * Search among all the open displays if any of them have the same name as the
 186  * passed name. If the display isn't found it tries the open it.
 187  *
 188  * Returns: a #GdkDisplay of the display with the passed name.
 189  */
 190 static GdkDisplay *
 191 ev_display_open_if_needed (const gchar *name)
 192 {
 193         GSList     *displays;
 194         GSList     *l;
 195         GdkDisplay *display = NULL;
 196
 197         displays = gdk_display_manager_list_displays (gdk_display_manager_get ());
 198
 199         for (l = displays; l != NULL; l = l->next) {
 200                 const gchar *display_name = gdk_display_get_name ((GdkDisplay *) l->data);
 201
 202                 if (g_ascii_strcasecmp (display_name, name) == 0) {
 203                         display = l->data;
 204                         break;
 205                 }
 206         }
 207
 208         g_slist_free (displays);
 209
 210         return display != NULL ? display : gdk_display_open (name);
 211 }
 212
 213 /**
 214  * get_screen_from_args:
 215  * @args: a #GHashTable with data passed to the application.
 216  *
 217  * Looks for the screen in the display available in the hash table passed to the
 218  * application. If the display isn't opened, it's opened and the #GdkScreen
 219  * assigned to the screen in that display returned.
 220  *
 221  * Returns: the #GdkScreen assigned to the screen on the display indicated by
 222  *          the data on the #GHashTable.
 223  */
 224 static GdkScreen *
 225 get_screen_from_args (GHashTable *args)
 226 {
 227         GValue     *value = NULL;
 228         GdkDisplay *display = NULL;
 229         GdkScreen  *screen = NULL;
 230
 231         g_assert (args != NULL);
 232
 233         value = g_hash_table_lookup (args, "display");
 234         if (value) {
 235                 const gchar *display_name;
 236
 237                 display_name = g_value_get_string (value);
 238                 display = ev_display_open_if_needed (display_name);
 239         }
 240
 241         value = g_hash_table_lookup (args, "screen");
 242         if (value) {
 243                 gint screen_number;
 244
 245                 screen_number = g_value_get_int (value);
 246                 screen = gdk_display_get_screen (display, screen_number);
 247         }
 248
 249         return screen;
 250 }
 251
 252 /**
 253  * get_window_run_mode_from_args:
 254  * @args: a #GHashTable with data passed to the application.
 255  *
 256  * It does look if the mode option has been passed from command line, using it
 257  * as the window run mode, otherwise the run mode will be the normal mode.
 258  *
 259  * Returns: The window run mode passed from command line or
 260  *          EV_WINDOW_MODE_NORMAL in other case.
 261  */
 262 static EvWindowRunMode
 263 get_window_run_mode_from_args (GHashTable *args)
 264 {
 265         EvWindowRunMode  mode = EV_WINDOW_MODE_NORMAL;
 266         GValue          *value = NULL;
 267
 268         g_assert (args != NULL);
 269
 270         value = g_hash_table_lookup (args, "mode");
 271         if (value) {
 272                 mode = g_value_get_uint (value);
 273         }
 274
 275         return mode;
 276 }
 277
 278 /**
 279  * get_destination_from_args:
 280  * @args: a #GHashTable with data passed to the application.
 281  *
 282  * It does look for the page-label argument parsed from the command line and
 283  * if it does exist, it returns an #EvLinkDest.
 284  *
 285  * Returns: An #EvLinkDest to page-label if it has been passed from the command
 286  *          line, NULL in other case.
 287  */
 288 static EvLinkDest *
 289 get_destination_from_args (GHashTable *args)
 290 {
 291         EvLinkDest *dest = NULL;
 292         GValue     *value = NULL;
 293
 294         g_assert (args != NULL);
 295
 296         value = g_hash_table_lookup (args, "page-label");
 297         if (value) {
 298                 const gchar *page_label;
 299
 300                 page_label = g_value_get_string (value);
 301                 dest = ev_link_dest_new_page_label (page_label);
 302         }
 303
 304         return dest;
 305 }
 306
 307 static const gchar *
 308 get_find_string_from_args (GHashTable *args)
 309 {
 310         GValue *value = NULL;
 311
 312         g_assert (args != NULL);
 313
 314         value = g_hash_table_lookup (args, "find-string");
 315
 316         return value ? g_value_get_string (value) : NULL;
 317 }
 318
 319 static void
 320 value_free (GValue *value)
 321 {
 322         g_value_unset (value);
 323         g_free (value);
 324 }
 325
 326 static GHashTable *
 327 build_args (GdkScreen      *screen,
 328             EvLinkDest     *dest,
 329             EvWindowRunMode mode,
 330             const gchar    *search_string)
 331 {
 332         GHashTable  *args;
 333         GValue      *value;
 334         GdkDisplay  *display;
 335         const gchar *display_name;
 336         gint         screen_number;
 337
 338         args = g_hash_table_new_full (g_str_hash,
 339                                       g_str_equal,
 340                                       (GDestroyNotify)g_free,
 341                                       (GDestroyNotify)value_free);
 342
 343         /* Display */
 344         display = gdk_screen_get_display (screen);
 345         display_name = gdk_display_get_name (display);
 346         value = g_new0 (GValue, 1);
 347         g_value_init (value, G_TYPE_STRING);
 348         g_value_set_string (value, display_name);
 349         g_hash_table_insert (args, g_strdup ("display"), value);
 350
 351         /* Screen */
 352         screen_number = gdk_screen_get_number (screen);
 353         value = g_new0 (GValue, 1);
 354         g_value_init (value, G_TYPE_INT);
 355         g_value_set_int (value, screen_number);
 356         g_hash_table_insert (args, g_strdup ("screen"), value);
 357
 358         /* Page label */
 359         if (dest) {
 360                 value = g_new0 (GValue, 1);
 361                 g_value_init (value, G_TYPE_STRING);
 362                 g_value_set_string (value, ev_link_dest_get_page_label (dest));
 363
 364                 g_hash_table_insert (args, g_strdup ("page-label"), value);
 365         }
 366
 367         /* Find string */
 368         if (search_string) {
 369                 value = g_new0 (GValue, 1);
 370                 g_value_init (value, G_TYPE_STRING);
 371                 g_value_set_string (value, search_string);
 372
 373                 g_hash_table_insert (args, g_strdup ("find-string"), value);
 374         }
 375
 376         /* Mode */
 377         if (mode != EV_WINDOW_MODE_NORMAL) {
 378                 value = g_new0 (GValue, 1);
 379                 g_value_init (value, G_TYPE_UINT);
 380                 g_value_set_uint (value, mode);
 381
 382                 g_hash_table_insert (args, g_strdup ("mode"), value);
 383         }
 384
 385         return args;
 386 }
 387
 388 static void
 389 child_setup (gpointer user_data)
 390 {
 391         gchar *startup_id;
 392
 393         startup_id = g_strdup_printf ("_TIME%lu",
 394                                       (unsigned long)GPOINTER_TO_INT (user_data));
 395         g_setenv ("DESKTOP_STARTUP_ID", startup_id, TRUE);
 396         g_free (startup_id);
 397 }
 398
 399 static void
 400 ev_spawn (const char     *uri,
 401           GdkScreen      *screen,
 402           EvLinkDest     *dest,
 403           EvWindowRunMode mode,
 404           const gchar    *search_string,
 405           guint           timestamp)
 406 {
 407         gchar   *argv[6];
 408         guint    arg = 0;
 409         gint     i;
 410         gboolean res;
 411         GError  *error = NULL;
 412
 413 #ifdef G_OS_WIN32
 414 {
 415         gchar *dir;
 416
 417         dir = g_win32_get_package_installation_directory_of_module (NULL);
 418         argv[arg++] = g_build_filename (dir, "bin", "evince", NULL);
 419         g_free (dir);
 420 }
 421 #else
 422         argv[arg++] = g_build_filename (BINDIR, "evince", NULL);
 423 #endif
 424
 425         /* Page label */
 426         if (dest) {
 427                 const gchar *page_label;
 428
 429                 page_label = ev_link_dest_get_page_label (dest);
 430                 if (page_label)
 431                         argv[arg++] = g_strdup_printf ("--page-label=%s", page_label);
 432                 else
 433                         argv[arg++] = g_strdup_printf ("--page-label=%d",
 434                                                        ev_link_dest_get_page (dest));
 435         }
 436
 437         /* Find string */
 438         if (search_string) {
 439                 argv[arg++] = g_strdup_printf ("--find=%s", search_string);
 440         }
 441
 442         /* Mode */
 443         switch (mode) {
 444         case EV_WINDOW_MODE_FULLSCREEN:
 445                 argv[arg++] = g_strdup ("-f");
 446                 break;
 447         case EV_WINDOW_MODE_PRESENTATION:
 448                 argv[arg++] = g_strdup ("-s");
 449                 break;
 450         default:
 451                 break;
 452         }
 453
 454         argv[arg++] = (gchar *)uri;
 455         argv[arg] = NULL;
 456
 457         res = gdk_spawn_on_screen (screen, NULL /* wd */, argv, NULL /* env */,
 458                                    0,
 459                                    child_setup,
 460                                    GINT_TO_POINTER(timestamp),
 461                                    NULL, &error);
 462         if (!res) {
 463                 g_warning ("Error launching evince %s: %s\n", uri, error->message);
 464                 g_error_free (error);
 465         }
 466
 467         for (i = 0; i < arg - 1; i++) {
 468                 g_free (argv[i]);
 469         }
 470 }
 471
 472 static GList *
 473 ev_application_get_windows (EvApplication *application)
 474 {
 475         GList *l, *toplevels;
 476         GList *windows = NULL;
 477
 478         toplevels = gtk_window_list_toplevels ();
 479
 480         for (l = toplevels; l != NULL; l = l->next) {
 481                 if (EV_IS_WINDOW (l->data)) {
 482                         windows = g_list_append (windows, l->data);
 483                 }
 484         }
 485
 486         g_list_free (toplevels);
 487
 488         return windows;
 489 }
 490
 491 static EvWindow *
 492 ev_application_get_empty_window (EvApplication *application,
 493                                  GdkScreen     *screen)
 494 {
 495         EvWindow *empty_window = NULL;
 496         GList    *windows = ev_application_get_windows (application);
 497         GList    *l;
 498
 499         for (l = windows; l != NULL; l = l->next) {
 500                 EvWindow *window = EV_WINDOW (l->data);
 501
 502                 if (ev_window_is_empty (window) &&
 503                     gtk_window_get_screen (GTK_WINDOW (window)) == screen) {
 504                         empty_window = window;
 505                         break;
 506                 }
 507         }
 508
 509         g_list_free (windows);
 510
 511         return empty_window;
 512 }
 513
 514
 515 #ifdef ENABLE_DBUS
 516 static gboolean
 517 ev_application_register_uri (EvApplication *application,
 518                              const gchar   *uri,
 519                              GHashTable    *args,
 520                              guint          timestamp)
 521 {
 522         DBusGProxy *proxy;
 523         gchar      *owner;
 524         gboolean    retval = TRUE;
 525         GError     *error = NULL;
 526
 527         if (!application->connection)
 528                 return TRUE;
 529
 530         proxy = dbus_g_proxy_new_for_name (application->connection,
 531                                            "org.gnome.evince.Daemon",
 532                                            "/org/gnome/evince/Daemon",
 533                                            "org.gnome.evince.Daemon");
 534         if (!dbus_g_proxy_call (proxy, "RegisterDocument", &error,
 535                                 G_TYPE_STRING, uri,
 536                                 G_TYPE_INVALID,
 537                                 G_TYPE_STRING, &owner,
 538                                 G_TYPE_INVALID)) {
 539                 g_warning ("Error registering document: %s\n", error->message);
 540                 g_error_free (error);
 541                 g_object_unref (proxy);
 542
 543                 return TRUE;
 544         }
 545         g_object_unref (proxy);
 546
 547         if (*owner == ':') {
 548                 /* Already registered */
 549                 proxy = dbus_g_proxy_new_for_name_owner (application->connection,
 550                                                          owner,
 551                                                          APPLICATION_DBUS_OBJECT_PATH,
 552                                                          APPLICATION_DBUS_INTERFACE,
 553                                                          &error);
 554                 if (proxy) {
 555                         if (!dbus_g_proxy_call (proxy, "OpenURI", &error,
 556                                                 G_TYPE_STRING, uri,
 557                                                 dbus_g_type_get_map ("GHashTable", G_TYPE_STRING, G_TYPE_VALUE), args,
 558                                                 G_TYPE_UINT, timestamp,
 559                                                 G_TYPE_INVALID,
 560                                                 G_TYPE_INVALID)) {
 561                                 g_warning ("%s", error->message);
 562                                 g_error_free (error);
 563                         }
 564                         g_object_unref (proxy);
 565                 } else {
 566                         g_warning ("Error creating proxy: %s\n", error->message);
 567                         g_error_free (error);
 568                 }
 569
 570                 /* Do not continue opening this document */
 571                 retval = FALSE;
 572         }
 573
 574         g_free (owner);
 575
 576         return retval;
 577 }
 578
 579 static void
 580 ev_application_unregister_uri (EvApplication *application,
 581                                const gchar   *uri)
 582 {
 583         DBusGProxy *proxy;
 584         GError     *error = NULL;
 585
 586         if (!application->connection)
 587                 return;
 588
 589         proxy = dbus_g_proxy_new_for_name (application->connection,
 590                                            "org.gnome.evince.Daemon",
 591                                            "/org/gnome/evince/Daemon",
 592                                            "org.gnome.evince.Daemon");
 593         if (!dbus_g_proxy_call (proxy, "UnregisterDocument", &error,
 594                                 G_TYPE_STRING, uri,
 595                                 G_TYPE_INVALID,
 596                                 G_TYPE_INVALID)) {
 597                 g_warning ("Error unregistering document: %s\n", error->message);
 598                 g_error_free (error);
 599         }
 600
 601         g_object_unref (proxy);
 602 }
 603 #endif /* ENABLE_DBUS */
 604
 605 static void
 606 ev_application_open_uri_in_window (EvApplication  *application,
 607                                    const char     *uri,
 608                                    EvWindow       *ev_window,
 609                                    GdkScreen      *screen,
 610                                    EvLinkDest     *dest,
 611                                    EvWindowRunMode mode,
 612                                    const gchar    *search_string,
 613                                    guint           timestamp)
 614 {
 615 #ifdef GDK_WINDOWING_X11
 616         GdkWindow *gdk_window;
 617 #endif
 618
 619         if (screen) {
 620                 ev_stock_icons_set_screen (screen);
 621                 gtk_window_set_screen (GTK_WINDOW (ev_window), screen);
 622         }
 623
 624         /* We need to load uri before showing the window, so
 625            we can restore window size without flickering */
 626         ev_window_open_uri (ev_window, uri, dest, mode, search_string);
 627
 628         if (!gtk_widget_get_realized (GTK_WIDGET (ev_window)))
 629                 gtk_widget_realize (GTK_WIDGET (ev_window));
 630
 631 #ifdef GDK_WINDOWING_X11
 632         gdk_window = gtk_widget_get_window (GTK_WIDGET (ev_window));
 633
 634         if (timestamp <= 0)
 635                 timestamp = gdk_x11_get_server_time (gdk_window);
 636         gdk_x11_window_set_user_time (gdk_window, timestamp);
 637
 638         ev_document_fc_mutex_lock ();
 639         gtk_window_present (GTK_WINDOW (ev_window));
 640         ev_document_fc_mutex_unlock ();
 641 #else
 642         ev_document_fc_mutex_lock ();
 643         gtk_window_present_with_time (GTK_WINDOW (ev_window), timestamp);
 644         ev_document_fc_mutex_unlock ();
 645 #endif /* GDK_WINDOWING_X11 */
 646 }
 647
 648 /**
 649  * ev_application_open_uri_at_dest:
 650  * @application: The instance of the application.
 651  * @uri: The uri to be opened.
 652  * @screen: Thee screen where the link will be shown.
 653  * @dest: The #EvLinkDest of the document.
 654  * @mode: The run mode of the window.
 655  * @timestamp: Current time value.
 656  */
 657 void
 658 ev_application_open_uri_at_dest (EvApplication  *application,
 659                                  const char     *uri,
 660                                  GdkScreen      *screen,
 661                                  EvLinkDest     *dest,
 662                                  EvWindowRunMode mode,
 663                                  const gchar    *search_string,
 664                                  guint           timestamp)
 665 {
 666         EvWindow *ev_window;
 667
 668         g_return_if_fail (uri != NULL);
 669
 670         if (application->uri && strcmp (application->uri, uri) != 0) {
 671                 /* spawn a new evince process */
 672                 ev_spawn (uri, screen, dest, mode, search_string, timestamp);
 673                 return;
 674         } else {
 675 #ifdef ENABLE_DBUS
 676                 GHashTable *args = build_args (screen, dest, mode, search_string);
 677                 gboolean    ret;
 678
 679                 /* Register the uri or send OpenURI to
 680                  * remote instance if already registered
 681                  */
 682                 ret = ev_application_register_uri (application, uri, args, timestamp);
 683                 g_hash_table_destroy (args);
 684                 if (!ret)
 685                         return;
 686 #endif /* ENABLE_DBUS */
 687
 688                 ev_window = ev_application_get_empty_window (application, screen);
 689                 if (!ev_window)
 690                         ev_window = EV_WINDOW (ev_window_new ());
 691         }
 692
 693         application->uri = g_strdup (uri);
 694
 695         ev_application_open_uri_in_window (application, uri, ev_window,
 696                                            screen, dest, mode,
 697                                            search_string,
 698                                            timestamp);
 699 }
 700
 701 /**
 702  * ev_application_open_window:
 703  * @application: The instance of the application.
 704  * @timestamp: Current time value.
 705  *
 706  * Creates a new window
 707  */
 708 void
 709 ev_application_open_window (EvApplication *application,
 710                             GdkScreen     *screen,
 711                             guint32        timestamp)
 712 {
 713         GtkWidget *new_window = ev_window_new ();
 714 #ifdef GDK_WINDOWING_X11
 715         GdkWindow *gdk_window;
 716 #endif
 717
 718         if (screen) {
 719                 ev_stock_icons_set_screen (screen);
 720                 gtk_window_set_screen (GTK_WINDOW (new_window), screen);
 721         }
 722
 723         if (!gtk_widget_get_realized (new_window))
 724                 gtk_widget_realize (new_window);
 725
 726 #ifdef GDK_WINDOWING_X11
 727         gdk_window = gtk_widget_get_window (GTK_WIDGET (new_window));
 728
 729         if (timestamp <= 0)
 730                 timestamp = gdk_x11_get_server_time (gdk_window);
 731         gdk_x11_window_set_user_time (gdk_window, timestamp);
 732
 733         gtk_window_present (GTK_WINDOW (new_window));
 734 #else
 735         gtk_window_present_with_time (GTK_WINDOW (new_window), timestamp);
 736 #endif /* GDK_WINDOWING_X11 */
 737 }
 738
 739 /**
 740  * ev_application_open_uri:
 741  * @application: The instance of the application.
 742  * @uri: The uri to be opened
 743  * @args: A #GHashTable with the arguments data.
 744  * @timestamp: Current time value.
 745  * @error: The #GError facility.
 746  */
 747 static gboolean
 748 ev_application_open_uri (EvApplication  *application,
 749                          const char     *uri,
 750                          GHashTable     *args,
 751                          guint           timestamp,
 752                          GError        **error)
 753 {
 754         GList           *windows, *l;
 755         EvLinkDest      *dest = NULL;
 756         EvWindowRunMode  mode = EV_WINDOW_MODE_NORMAL;
 757         const gchar     *search_string = NULL;
 758         GdkScreen       *screen = NULL;
 759
 760         g_assert (application->uri != NULL);
 761
 762         /* FIXME: we don't need uri anymore,
 763          * maybe this method should be renamed
 764          * as reload, refresh or something like that
 765          */
 766         if (!application->uri || strcmp (application->uri, uri)) {
 767                 g_warning ("Invalid uri: %s, expected %s\n",
 768                            uri, application->uri);
 769                 return TRUE;
 770         }
 771
 772         if (args) {
 773                 screen = get_screen_from_args (args);
 774                 dest = get_destination_from_args (args);
 775                 mode = get_window_run_mode_from_args (args);
 776                 search_string = get_find_string_from_args (args);
 777         }
 778
 779         windows = ev_application_get_windows (application);
 780         for (l = windows; l != NULL; l = g_list_next (l)) {
 781                 EvWindow *ev_window = EV_WINDOW (l->data);
 782
 783                 ev_application_open_uri_in_window (application, uri, ev_window,
 784                                                    screen, dest, mode,
 785                                                    search_string,
 786                                                    timestamp);
 787         }
 788         g_list_free (windows);
 789
 790         if (dest)
 791                 g_object_unref (dest);
 792
 793         return TRUE;
 794 }
 795
 796 void
 797 ev_application_open_uri_list (EvApplication *application,
 798                               GSList        *uri_list,
 799                               GdkScreen     *screen,
 800                               guint          timestamp)
 801 {
 802         GSList *l;
 803
 804         for (l = uri_list; l != NULL; l = l->next) {
 805                 ev_application_open_uri_at_dest (application, (char *)l->data,
 806                                                  screen, NULL, 0, NULL,
 807                                                  timestamp);
 808         }
 809 }
 810
 811 static void
 812 ev_application_accel_map_save (EvApplication *application)
 813 {
 814         gchar *accel_map_file;
 815         gchar *tmp_filename;
 816         gint   fd;
 817
 818         if (userdir) {
 819                 accel_map_file = g_build_filename (userdir, "accels",
 820                                                    "evince", NULL);
 821         } else {
 822                 accel_map_file = g_build_filename (g_get_home_dir (),
 823                                                    ".gnome2", "accels",
 824                                                    "evince", NULL);
 825         }
 826
 827         tmp_filename = g_strdup_printf ("%s.XXXXXX", accel_map_file);
 828
 829         fd = g_mkstemp (tmp_filename);
 830         if (fd == -1) {
 831                 g_free (accel_map_file);
 832                 g_free (tmp_filename);
 833
 834                 return;
 835         }
 836         gtk_accel_map_save_fd (fd);
 837         close (fd);
 838
 839         if (g_rename (tmp_filename, accel_map_file) == -1) {
 840                 /* FIXME: win32? */
 841                 g_unlink (tmp_filename);
 842         }
 843
 844         g_free (accel_map_file);
 845         g_free (tmp_filename);
 846 }
 847
 848 static void
 849 ev_application_accel_map_load (EvApplication *application)
 850 {
 851         gchar *accel_map_file;
 852
 853         if (userdir) {
 854                 accel_map_file = g_build_filename (userdir, "accels",
 855                                                    "evince", NULL);
 856         } else {
 857                 accel_map_file = g_build_filename (g_get_home_dir (),
 858                                                    ".gnome2", "accels",
 859                                                    "evince", NULL);
 860         }
 861
 862         gtk_accel_map_load (accel_map_file);
 863         g_free (accel_map_file);
 864 }
 865
 866 void
 867 ev_application_shutdown (EvApplication *application)
 868 {
 869         if (application->uri) {
 870 #ifdef ENABLE_DBUS
 871                 ev_application_unregister_uri (application,
 872                                                application->uri);
 873 #endif
 874                 g_free (application->uri);
 875                 application->uri = NULL;
 876         }
 877
 878         ev_application_accel_map_save (application);
 879
 880         g_object_unref (application->scr_saver);
 881         application->scr_saver = NULL;
 882
 883 #ifdef ENABLE_DBUS
 884         if (application->keys) {
 885                 g_object_unref (application->keys);
 886                 application->keys = NULL;
 887         }
 888 #endif /* ENABLE_DBUS */
 889
 890         g_free (application->dot_dir);
 891         application->dot_dir = NULL;
 892         g_free (application->data_dir);
 893         application->data_dir = NULL;
 894         g_free (application->filechooser_open_uri);
 895         application->filechooser_open_uri = NULL;
 896         g_free (application->filechooser_save_uri);
 897         application->filechooser_save_uri = NULL;
 898
 899         g_object_unref (application);
 900         instance = NULL;
 901
 902         gtk_main_quit ();
 903 }
 904
 905 static void
 906 ev_application_class_init (EvApplicationClass *ev_application_class)
 907 {
 908 #ifdef ENABLE_DBUS
 909         dbus_g_object_type_install_info (EV_TYPE_APPLICATION,
 910                                          &dbus_glib_ev_application_object_info);
 911 #endif
 912 }
 913
 914 static void
 915 ev_application_init (EvApplication *ev_application)
 916 {
 917         GError *error = NULL;
 918
 919         userdir = g_getenv ("GNOME22_USER_DIR");
 920         if (userdir)
 921                 ev_application->dot_dir = g_build_filename (userdir, "evince", NULL);
 922         else
 923                 ev_application->dot_dir = g_build_filename (g_get_home_dir (),
 924                                                             ".gnome2",
 925                                                             "evince",
 926                                                             NULL);
 927
 928 #ifdef G_OS_WIN32
 929 {
 930         gchar *dir;
 931
 932         dir = g_win32_get_package_installation_directory_of_module (NULL);
 933         ev_application->data_dir = g_build_filename (dir, "share", "evince", NULL);
 934         g_free (dir);
 935 }
 936 #else
 937         ev_application->data_dir = g_strdup (DATADIR);
 938 #endif
 939
 940         ev_application_init_session (ev_application);
 941
 942         ev_application_accel_map_load (ev_application);
 943
 944         ev_application->scr_saver = totem_scrsaver_new ();
 945
 946 #ifdef ENABLE_DBUS
 947         ev_application->connection = dbus_g_bus_get (DBUS_BUS_STARTER, &error);
 948         if (ev_application->connection) {
 949                 dbus_g_connection_register_g_object (ev_application->connection,
 950                                                      APPLICATION_DBUS_OBJECT_PATH,
 951                                                      G_OBJECT (ev_application));
 952         } else {
 953                 g_warning ("Error connection to DBus: %s\n", error->message);
 954                 g_error_free (error);
 955         }
 956         ev_application->keys = ev_media_player_keys_new ();
 957 #endif /* ENABLE_DBUS */
 958 }
 959
 960 gboolean
 961 ev_application_has_window (EvApplication *application)
 962 {
 963         GList   *windows = ev_application_get_windows (application);
 964         gboolean retval = windows != NULL;
 965
 966         g_list_free (windows);
 967
 968         return retval;
 969 }
 970
 971 const gchar *
 972 ev_application_get_uri (EvApplication *application)
 973 {
 974         return application->uri;
 975 }
 976
 977 /**
 978  * ev_application_get_media_keys:
 979  * @application: The instance of the application.
 980  *
 981  * It gives you access to the media player keys handler object.
 982  *
 983  * Returns: A #EvMediaPlayerKeys.
 984  */
 985 GObject *
 986 ev_application_get_media_keys (EvApplication *application)
 987 {
 988 #ifdef ENABLE_DBUS
 989         return G_OBJECT (application->keys);
 990 #else
 991         return NULL;
 992 #endif /* ENABLE_DBUS */
 993 }
 994
 995 void
 996 ev_application_set_filechooser_uri (EvApplication       *application,
 997                                     GtkFileChooserAction action,
 998                                     const gchar         *uri)
 999 {
1000         if (action == GTK_FILE_CHOOSER_ACTION_OPEN) {
1001                 g_free (application->filechooser_open_uri);
1002                 application->filechooser_open_uri = g_strdup (uri);
1003         } else if (action == GTK_FILE_CHOOSER_ACTION_SAVE) {
1004                 g_free (application->filechooser_save_uri);
1005                 application->filechooser_save_uri = g_strdup (uri);
1006         }
1007 }
1008
1009 const gchar *
1010 ev_application_get_filechooser_uri (EvApplication       *application,
1011                                     GtkFileChooserAction action)
1012 {
1013         if (action == GTK_FILE_CHOOSER_ACTION_OPEN) {
1014                 if (application->filechooser_open_uri)
1015                         return application->filechooser_open_uri;
1016         } else if (action == GTK_FILE_CHOOSER_ACTION_SAVE) {
1017                 if (application->filechooser_save_uri)
1018                         return application->filechooser_save_uri;
1019         }
1020
1021         return NULL;
1022 }
1023
1024 void
1025 ev_application_screensaver_enable (EvApplication *application)
1026 {
1027         totem_scrsaver_enable (application->scr_saver);
1028 }
1029
1030 void
1031 ev_application_screensaver_disable (EvApplication *application)
1032 {
1033         totem_scrsaver_disable (application->scr_saver);
1034 }
1035
1036 const gchar *
1037 ev_application_get_dot_dir (EvApplication *application,
1038                             gboolean create)
1039 {
1040         if (create)
1041                 g_mkdir_with_parents (application->dot_dir, 0700);
1042
1043         return application->dot_dir;
1044 }
1045
1046 const gchar *
1047 ev_application_get_data_dir (EvApplication   *application)
1048 {
1049         return application->data_dir;
1050 }