shell/ev-application.c

   1 /* this file is part of evince, a gnome document viewer
   2  *
   3  *  Copyright (C) 2004 Martin Kretzschmar
   4  *  Copyright © 2010 Christian Persch
   5  *
   6  *  Author:
   7  *    Martin Kretzschmar <martink@gnome.org>
   8  *
   9  * Evince is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * Evince is distributed in the hope that it will be useful, but
  15  * WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  22  */
  23
  24
  25 #include <config.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28
  29 #include <glib.h>
  30 #include <glib/gi18n.h>
  31 #include <glib/gstdio.h>
  32 #include <gtk/gtk.h>
  33 #ifdef GDK_WINDOWING_X11
  34 #include <gdk/gdkx.h>
  35 #endif
  36 #include <unistd.h>
  37
  38 #include "totem-scrsaver.h"
  39
  40 #ifdef WITH_SMCLIENT
  41 #include "eggsmclient.h"
  42 #endif
  43
  44 #include "ev-application.h"
  45 #include "ev-file-helpers.h"
  46 #include "ev-stock-icons.h"
  47
  48 #ifdef ENABLE_DBUS
  49 #include "ev-media-player-keys.h"
  50 #endif /* ENABLE_DBUS */
  51
  52 struct _EvApplication {
  53         GObject base_instance;
  54
  55         gchar *uri;
  56
  57         gchar *dot_dir;
  58         gchar *data_dir;
  59
  60 #ifdef ENABLE_DBUS
  61         GDBusConnection *connection;
  62         guint registration_id;
  63         EvMediaPlayerKeys *keys;
  64         gboolean doc_registered;
  65 #endif
  66
  67         TotemScrsaver *scr_saver;
  68
  69 #ifdef WITH_SMCLIENT
  70         EggSMClient *smclient;
  71 #endif
  72
  73         gchar *filechooser_open_uri;
  74         gchar *filechooser_save_uri;
  75 };
  76
  77 struct _EvApplicationClass {
  78         GObjectClass base_class;
  79 };
  80
  81 static EvApplication *instance;
  82
  83 G_DEFINE_TYPE (EvApplication, ev_application, G_TYPE_OBJECT);
  84
  85 #ifdef ENABLE_DBUS
  86 #define APPLICATION_DBUS_OBJECT_PATH "/org/gnome/evince/Evince"
  87 #define APPLICATION_DBUS_INTERFACE   "org.gnome.evince.Application"
  88
  89 #define EVINCE_DAEMON_SERVICE        "org.gnome.evince.Daemon"
  90 #define EVINCE_DAEMON_OBJECT_PATH    "/org/gnome/evince/Daemon"
  91 #define EVINCE_DAEMON_INTERFACE      "org.gnome.evince.Daemon"
  92 #endif
  93
  94 static const gchar *userdir = NULL;
  95
  96 static void _ev_application_open_uri_at_dest (EvApplication  *application,
  97                                               const gchar    *uri,
  98                                               GdkScreen      *screen,
  99                                               EvLinkDest     *dest,
 100                                               EvWindowRunMode mode,
 101                                               const gchar    *search_string,
 102                                               guint           timestamp);
 103 static void ev_application_open_uri_in_window (EvApplication  *application,
 104                                                const char     *uri,
 105                                                EvWindow       *ev_window,
 106                                                GdkScreen      *screen,
 107                                                EvLinkDest     *dest,
 108                                                EvWindowRunMode mode,
 109                                                const gchar    *search_string,
 110                                                guint           timestamp);
 111
 112 /**
 113  * ev_application_get_instance:
 114  *
 115  * Checks for #EvApplication instance, if it doesn't exist it does create it.
 116  *
 117  * Returns: an instance of the #EvApplication data.
 118  */
 119 EvApplication *
 120 ev_application_get_instance (void)
 121 {
 122         if (!instance) {
 123                 instance = EV_APPLICATION (g_object_new (EV_TYPE_APPLICATION, NULL));
 124         }
 125
 126         return instance;
 127 }
 128
 129 /* Session */
 130 gboolean
 131 ev_application_load_session (EvApplication *application)
 132 {
 133         GKeyFile *state_file;
 134         gchar    *uri;
 135
 136 #ifdef WITH_SMCLIENT
 137         if (egg_sm_client_is_resumed (application->smclient)) {
 138                 state_file = egg_sm_client_get_state_file (application->smclient);
 139                 if (!state_file)
 140                         return FALSE;
 141         } else
 142 #endif /* WITH_SMCLIENT */
 143                 return FALSE;
 144
 145         uri = g_key_file_get_string (state_file, "Evince", "uri", NULL);
 146         if (!uri)
 147                 return FALSE;
 148
 149         ev_application_open_uri_at_dest (application, uri,
 150                                          gdk_screen_get_default (),
 151                                          NULL, 0, NULL,
 152                                          GDK_CURRENT_TIME);
 153         g_free (uri);
 154         g_key_file_free (state_file);
 155
 156         return TRUE;
 157 }
 158
 159 #ifdef WITH_SMCLIENT
 160
 161 static void
 162 smclient_save_state_cb (EggSMClient   *client,
 163                         GKeyFile      *state_file,
 164                         EvApplication *application)
 165 {
 166         if (!application->uri)
 167                 return;
 168
 169         g_key_file_set_string (state_file, "Evince", "uri", application->uri);
 170 }
 171
 172 static void
 173 smclient_quit_cb (EggSMClient   *client,
 174                   EvApplication *application)
 175 {
 176         ev_application_shutdown (application);
 177 }
 178 #endif /* WITH_SMCLIENT */
 179
 180 static void
 181 ev_application_init_session (EvApplication *application)
 182 {
 183 #ifdef WITH_SMCLIENT
 184         application->smclient = egg_sm_client_get ();
 185         g_signal_connect (application->smclient, "save_state",
 186                           G_CALLBACK (smclient_save_state_cb),
 187                           application);
 188         g_signal_connect (application->smclient, "quit",
 189                           G_CALLBACK (smclient_quit_cb),
 190                           application);
 191 #endif
 192 }
 193
 194 /**
 195  * ev_display_open_if_needed:
 196  * @name: the name of the display to be open if it's needed.
 197  *
 198  * Search among all the open displays if any of them have the same name as the
 199  * passed name. If the display isn't found it tries the open it.
 200  *
 201  * Returns: a #GdkDisplay of the display with the passed name.
 202  */
 203 static GdkDisplay *
 204 ev_display_open_if_needed (const gchar *name)
 205 {
 206         GSList     *displays;
 207         GSList     *l;
 208         GdkDisplay *display = NULL;
 209
 210         displays = gdk_display_manager_list_displays (gdk_display_manager_get ());
 211
 212         for (l = displays; l != NULL; l = l->next) {
 213                 const gchar *display_name = gdk_display_get_name ((GdkDisplay *) l->data);
 214
 215                 if (g_ascii_strcasecmp (display_name, name) == 0) {
 216                         display = l->data;
 217                         break;
 218                 }
 219         }
 220
 221         g_slist_free (displays);
 222
 223         return display != NULL ? display : gdk_display_open (name);
 224 }
 225
 226 static void
 227 child_setup (gpointer user_data)
 228 {
 229         gchar *startup_id;
 230
 231         startup_id = g_strdup_printf ("_TIME%lu",
 232                                       (unsigned long)GPOINTER_TO_INT (user_data));
 233         g_setenv ("DESKTOP_STARTUP_ID", startup_id, TRUE);
 234         g_free (startup_id);
 235 }
 236
 237 static void
 238 ev_spawn (const char     *uri,
 239           GdkScreen      *screen,
 240           EvLinkDest     *dest,
 241           EvWindowRunMode mode,
 242           const gchar    *search_string,
 243           guint           timestamp)
 244 {
 245         gchar   *argv[6];
 246         guint    arg = 0;
 247         gint     i;
 248         gboolean res;
 249         GError  *error = NULL;
 250
 251 #ifdef G_OS_WIN32
 252 {
 253         gchar *dir;
 254
 255         dir = g_win32_get_package_installation_directory_of_module (NULL);
 256         argv[arg++] = g_build_filename (dir, "bin", "evince", NULL);
 257         g_free (dir);
 258 }
 259 #else
 260         argv[arg++] = g_build_filename (BINDIR, "evince", NULL);
 261 #endif
 262
 263         /* Page label */
 264         if (dest) {
 265                 const gchar *page_label;
 266
 267                 page_label = ev_link_dest_get_page_label (dest);
 268                 if (page_label)
 269                         argv[arg++] = g_strdup_printf ("--page-label=%s", page_label);
 270                 else
 271                         argv[arg++] = g_strdup_printf ("--page-label=%d",
 272                                                        ev_link_dest_get_page (dest));
 273         }
 274
 275         /* Find string */
 276         if (search_string) {
 277                 argv[arg++] = g_strdup_printf ("--find=%s", search_string);
 278         }
 279
 280         /* Mode */
 281         switch (mode) {
 282         case EV_WINDOW_MODE_FULLSCREEN:
 283                 argv[arg++] = g_strdup ("-f");
 284                 break;
 285         case EV_WINDOW_MODE_PRESENTATION:
 286                 argv[arg++] = g_strdup ("-s");
 287                 break;
 288         default:
 289                 break;
 290         }
 291
 292         argv[arg++] = (gchar *)uri;
 293         argv[arg] = NULL;
 294
 295         res = gdk_spawn_on_screen (screen, NULL /* wd */, argv, NULL /* env */,
 296                                    0,
 297                                    child_setup,
 298                                    GINT_TO_POINTER(timestamp),
 299                                    NULL, &error);
 300         if (!res) {
 301                 g_warning ("Error launching evince %s: %s\n", uri, error->message);
 302                 g_error_free (error);
 303         }
 304
 305         for (i = 0; i < arg - 1; i++) {
 306                 g_free (argv[i]);
 307         }
 308 }
 309
 310 static GList *
 311 ev_application_get_windows (EvApplication *application)
 312 {
 313         GList *l, *toplevels;
 314         GList *windows = NULL;
 315
 316         toplevels = gtk_window_list_toplevels ();
 317
 318         for (l = toplevels; l != NULL; l = l->next) {
 319                 if (EV_IS_WINDOW (l->data)) {
 320                         windows = g_list_append (windows, l->data);
 321                 }
 322         }
 323
 324         g_list_free (toplevels);
 325
 326         return windows;
 327 }
 328
 329 static EvWindow *
 330 ev_application_get_empty_window (EvApplication *application,
 331                                  GdkScreen     *screen)
 332 {
 333         EvWindow *empty_window = NULL;
 334         GList    *windows = ev_application_get_windows (application);
 335         GList    *l;
 336
 337         for (l = windows; l != NULL; l = l->next) {
 338                 EvWindow *window = EV_WINDOW (l->data);
 339
 340                 if (ev_window_is_empty (window) &&
 341                     gtk_window_get_screen (GTK_WINDOW (window)) == screen) {
 342                         empty_window = window;
 343                         break;
 344                 }
 345         }
 346
 347         g_list_free (windows);
 348
 349         return empty_window;
 350 }
 351
 352
 353 #ifdef ENABLE_DBUS
 354 typedef struct {
 355         gchar          *uri;
 356         GdkScreen      *screen;
 357         EvLinkDest     *dest;
 358         EvWindowRunMode mode;
 359         gchar          *search_string;
 360         guint           timestamp;
 361 } EvRegisterDocData;
 362
 363 static void
 364 ev_register_doc_data_free (EvRegisterDocData *data)
 365 {
 366         if (!data)
 367                 return;
 368
 369         g_free (data->uri);
 370         if (data->search_string)
 371                 g_free (data->search_string);
 372         if (data->dest)
 373                 g_object_unref (data->dest);
 374
 375         g_free (data);
 376 }
 377
 378 static void
 379 on_open_uri_cb (GObject      *source_object,
 380                 GAsyncResult *res,
 381                 gpointer      user_data)
 382 {
 383         GDBusConnection *connection = G_DBUS_CONNECTION (source_object);
 384         GVariant        *value;
 385         GError          *error = NULL;
 386
 387         value = g_dbus_connection_call_finish (connection, res, &error);
 388         if (!value) {
 389                 g_warning ("Failed to OpenURI: %s", error->message);
 390                 g_error_free (error);
 391         }
 392         g_variant_unref (value);
 393
 394         ev_application_shutdown (EV_APP);
 395 }
 396
 397 static void
 398 on_register_uri_cb (GObject      *source_object,
 399                     GAsyncResult *res,
 400                     gpointer      user_data)
 401 {
 402         GDBusConnection   *connection = G_DBUS_CONNECTION (source_object);
 403         EvRegisterDocData *data = (EvRegisterDocData *)user_data;
 404         EvApplication     *application = EV_APP;
 405         GVariant          *value;
 406         const gchar       *owner;
 407         GVariantBuilder    builder;
 408         GError            *error = NULL;
 409
 410         value = g_dbus_connection_call_finish (connection, res, &error);
 411         if (!value) {
 412                 g_warning ("Error registering document: %s\n", error->message);
 413                 g_error_free (error);
 414
 415                 _ev_application_open_uri_at_dest (application,
 416                                                   data->uri,
 417                                                   data->screen,
 418                                                   data->dest,
 419                                                   data->mode,
 420                                                   data->search_string,
 421                                                   data->timestamp);
 422                 ev_register_doc_data_free (data);
 423
 424                 return;
 425         }
 426
 427         g_variant_get (value, "(&s)", &owner);
 428
 429         /* This means that the document wasn't already registered; go
 430          * ahead with opening it.
 431          */
 432         if (owner[0] == '\0') {
 433                 g_variant_unref (value);
 434
 435                 application->doc_registered = TRUE;
 436
 437                 _ev_application_open_uri_at_dest (application,
 438                                                   data->uri,
 439                                                   data->screen,
 440                                                   data->dest,
 441                                                   data->mode,
 442                                                   data->search_string,
 443                                                   data->timestamp);
 444                 ev_register_doc_data_free (data);
 445
 446                 return;
 447         }
 448
 449         /* Already registered */
 450         g_variant_builder_init (&builder, G_VARIANT_TYPE ("(sa{sv}u)"));
 451         g_variant_builder_add (&builder, "s", data->uri);
 452
 453         g_variant_builder_open (&builder, G_VARIANT_TYPE ("a{sv}"));
 454         g_variant_builder_add (&builder, "{sv}",
 455                                "display",
 456                                g_variant_new_string (gdk_display_get_name (gdk_screen_get_display (data->screen))));
 457         g_variant_builder_add (&builder, "{sv}",
 458                                "screen",
 459                                g_variant_new_int32 (gdk_screen_get_number (data->screen)));
 460         if (data->dest) {
 461                 g_variant_builder_add (&builder, "{sv}",
 462                                        "page-label",
 463                                        g_variant_new_string (ev_link_dest_get_page_label (data->dest)));
 464         }
 465         if (data->search_string) {
 466                 g_variant_builder_add (&builder, "{sv}",
 467                                        "find-string",
 468                                        g_variant_new_string (data->search_string));
 469         }
 470         if (data->mode != EV_WINDOW_MODE_NORMAL) {
 471                 g_variant_builder_add (&builder, "{sv}",
 472                                        "mode",
 473                                        g_variant_new_uint32 (data->mode));
 474         }
 475         g_variant_builder_close (&builder);
 476
 477         g_variant_builder_add (&builder, "u", data->timestamp);
 478
 479         g_dbus_connection_call (connection,
 480                                 owner,
 481                                 APPLICATION_DBUS_OBJECT_PATH,
 482                                 APPLICATION_DBUS_INTERFACE,
 483                                 "OpenURI",
 484                                 g_variant_builder_end (&builder),
 485                                 NULL,
 486                                 G_DBUS_CALL_FLAGS_NONE,
 487                                 -1,
 488                                 NULL,
 489                                 on_open_uri_cb,
 490                                 NULL);
 491         g_variant_unref (value);
 492         ev_register_doc_data_free (data);
 493 }
 494
 495 /*
 496  * ev_application_register_uri:
 497  * @application:
 498  * @uri:
 499  * @screen:
 500  * @dest:
 501  * @mode:
 502  * @search_string:
 503  * @timestamp:
 504  *
 505  * Registers @uri with evince-daemon.
 506  *
 507  */
 508 static void
 509 ev_application_register_uri (EvApplication  *application,
 510                              const gchar    *uri,
 511                              GdkScreen      *screen,
 512                              EvLinkDest     *dest,
 513                              EvWindowRunMode mode,
 514                              const gchar    *search_string,
 515                              guint           timestamp)
 516 {
 517         EvRegisterDocData *data;
 518
 519         if (!application->connection)
 520                 return;
 521
 522         if (application->doc_registered) {
 523                 /* Already registered, reload */
 524                 GList *windows, *l;
 525
 526                 windows = ev_application_get_windows (application);
 527                 for (l = windows; l != NULL; l = g_list_next (l)) {
 528                         EvWindow *ev_window = EV_WINDOW (l->data);
 529
 530                         ev_application_open_uri_in_window (application, uri, ev_window,
 531                                                            screen, dest, mode,
 532                                                            search_string,
 533                                                            timestamp);
 534                 }
 535                 g_list_free (windows);
 536
 537                 return;
 538         }
 539
 540         data = g_new (EvRegisterDocData, 1);
 541         data->uri = g_strdup (uri);
 542         data->screen = screen;
 543         data->dest = dest ? g_object_ref (dest) : NULL;
 544         data->mode = mode;
 545         data->search_string = search_string ? g_strdup (search_string) : NULL;
 546         data->timestamp = timestamp;
 547
 548         g_dbus_connection_call (application->connection,
 549                                 EVINCE_DAEMON_SERVICE,
 550                                 EVINCE_DAEMON_OBJECT_PATH,
 551                                 EVINCE_DAEMON_INTERFACE,
 552                                 "RegisterDocument",
 553                                 g_variant_new ("(s)", uri),
 554                                 G_VARIANT_TYPE ("(s)"),
 555                                 G_DBUS_CALL_FLAGS_NONE,
 556                                 -1,
 557                                 NULL,
 558                                 on_register_uri_cb,
 559                                 data);
 560 }
 561
 562 static void
 563 ev_application_unregister_uri (EvApplication *application,
 564                                const gchar   *uri)
 565 {
 566         GVariant *value;
 567         GError   *error = NULL;
 568
 569         if (!application->doc_registered)
 570                 return;
 571
 572         /* This is called from ev_application_shutdown(),
 573          * so it's safe to use the sync api
 574          */
 575         value = g_dbus_connection_call_sync (
 576                 application->connection,
 577                 EVINCE_DAEMON_SERVICE,
 578                 EVINCE_DAEMON_OBJECT_PATH,
 579                 EVINCE_DAEMON_INTERFACE,
 580                 "UnregisterDocument",
 581                 g_variant_new ("(s)", uri),
 582                 NULL,
 583                 G_DBUS_CALL_FLAGS_NO_AUTO_START,
 584                 -1,
 585                 NULL,
 586                 &error);
 587         if (value == NULL) {
 588                 g_warning ("Error unregistering document: %s\n", error->message);
 589                 g_error_free (error);
 590         } else {
 591                 g_variant_unref (value);
 592         }
 593 }
 594 #endif /* ENABLE_DBUS */
 595
 596 static void
 597 ev_application_open_uri_in_window (EvApplication  *application,
 598                                    const char     *uri,
 599                                    EvWindow       *ev_window,
 600                                    GdkScreen      *screen,
 601                                    EvLinkDest     *dest,
 602                                    EvWindowRunMode mode,
 603                                    const gchar    *search_string,
 604                                    guint           timestamp)
 605 {
 606 #ifdef GDK_WINDOWING_X11
 607         GdkWindow *gdk_window;
 608 #endif
 609
 610         if (screen) {
 611                 ev_stock_icons_set_screen (screen);
 612                 gtk_window_set_screen (GTK_WINDOW (ev_window), screen);
 613         }
 614
 615         /* We need to load uri before showing the window, so
 616            we can restore window size without flickering */
 617         ev_window_open_uri (ev_window, uri, dest, mode, search_string);
 618
 619         if (!gtk_widget_get_realized (GTK_WIDGET (ev_window)))
 620                 gtk_widget_realize (GTK_WIDGET (ev_window));
 621
 622 #ifdef GDK_WINDOWING_X11
 623         gdk_window = gtk_widget_get_window (GTK_WIDGET (ev_window));
 624
 625         if (timestamp <= 0)
 626                 timestamp = gdk_x11_get_server_time (gdk_window);
 627         gdk_x11_window_set_user_time (gdk_window, timestamp);
 628
 629         gtk_window_present (GTK_WINDOW (ev_window));
 630 #else
 631         gtk_window_present_with_time (GTK_WINDOW (ev_window), timestamp);
 632 #endif /* GDK_WINDOWING_X11 */
 633 }
 634
 635 static void
 636 _ev_application_open_uri_at_dest (EvApplication  *application,
 637                                   const gchar    *uri,
 638                                   GdkScreen      *screen,
 639                                   EvLinkDest     *dest,
 640                                   EvWindowRunMode mode,
 641                                   const gchar    *search_string,
 642                                   guint           timestamp)
 643 {
 644         EvWindow *ev_window;
 645
 646         ev_window = ev_application_get_empty_window (application, screen);
 647         if (!ev_window)
 648                 ev_window = EV_WINDOW (ev_window_new ());
 649
 650         ev_application_open_uri_in_window (application, uri, ev_window,
 651                                            screen, dest, mode,
 652                                            search_string,
 653                                            timestamp);
 654 }
 655
 656 /**
 657  * ev_application_open_uri_at_dest:
 658  * @application: The instance of the application.
 659  * @uri: The uri to be opened.
 660  * @screen: Thee screen where the link will be shown.
 661  * @dest: The #EvLinkDest of the document.
 662  * @mode: The run mode of the window.
 663  * @timestamp: Current time value.
 664  */
 665 void
 666 ev_application_open_uri_at_dest (EvApplication  *application,
 667                                  const char     *uri,
 668                                  GdkScreen      *screen,
 669                                  EvLinkDest     *dest,
 670                                  EvWindowRunMode mode,
 671                                  const gchar    *search_string,
 672                                  guint           timestamp)
 673 {
 674         g_return_if_fail (uri != NULL);
 675
 676         if (application->uri && strcmp (application->uri, uri) != 0) {
 677                 /* spawn a new evince process */
 678                 ev_spawn (uri, screen, dest, mode, search_string, timestamp);
 679                 return;
 680         } else if (!application->uri) {
 681                 application->uri = g_strdup (uri);
 682         }
 683
 684 #ifdef ENABLE_DBUS
 685         /* Register the uri or send OpenURI to
 686          * remote instance if already registered
 687          */
 688         ev_application_register_uri (application, uri, screen, dest, mode, search_string, timestamp);
 689 #else
 690         _ev_application_open_uri_at_dest (application, uri, screen, dest, mode, search_string, timestamp);
 691 #endif /* ENABLE_DBUS */
 692 }
 693
 694 /**
 695  * ev_application_open_window:
 696  * @application: The instance of the application.
 697  * @timestamp: Current time value.
 698  *
 699  * Creates a new window
 700  */
 701 void
 702 ev_application_open_window (EvApplication *application,
 703                             GdkScreen     *screen,
 704                             guint32        timestamp)
 705 {
 706         GtkWidget *new_window = ev_window_new ();
 707 #ifdef GDK_WINDOWING_X11
 708         GdkWindow *gdk_window;
 709 #endif
 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_get_realized (new_window))
 717                 gtk_widget_realize (new_window);
 718
 719 #ifdef GDK_WINDOWING_X11
 720         gdk_window = gtk_widget_get_window (GTK_WIDGET (new_window));
 721
 722         if (timestamp <= 0)
 723                 timestamp = gdk_x11_get_server_time (gdk_window);
 724         gdk_x11_window_set_user_time (gdk_window, timestamp);
 725
 726         gtk_window_present (GTK_WINDOW (new_window));
 727 #else
 728         gtk_window_present_with_time (GTK_WINDOW (new_window), timestamp);
 729 #endif /* GDK_WINDOWING_X11 */
 730 }
 731
 732 #ifdef ENABLE_DBUS
 733 static void
 734 method_call_cb (GDBusConnection       *connection,
 735                 const gchar           *sender,
 736                 const gchar           *object_path,
 737                 const gchar           *interface_name,
 738                 const gchar           *method_name,
 739                 GVariant              *parameters,
 740                 GDBusMethodInvocation *invocation,
 741                 gpointer               user_data)
 742 {
 743         EvApplication   *application = EV_APPLICATION (user_data);
 744         GList           *windows, *l;
 745         const gchar     *uri;
 746         guint            timestamp;
 747         GVariantIter    *iter;
 748         const gchar     *key;
 749         GVariant        *value;
 750         GdkDisplay      *display = NULL;
 751         int              screen_number = 0;
 752         EvLinkDest      *dest = NULL;
 753         EvWindowRunMode  mode = EV_WINDOW_MODE_NORMAL;
 754         const gchar     *search_string = NULL;
 755         GdkScreen       *screen = NULL;
 756
 757         if (g_strcmp0 (method_name, "OpenURI") != 0)
 758                 return;
 759
 760         g_variant_get (parameters, "(&sa{sv}u)", &uri, &iter, &timestamp);
 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 (g_strcmp0 (application->uri, uri) != 0) {
 767                 g_dbus_method_invocation_return_error (invocation,
 768                                                        G_DBUS_ERROR,
 769                                                        G_DBUS_ERROR_INVALID_ARGS,
 770                                                        "Unexpected URI \"%s\"",
 771                                                        uri);
 772                 g_variant_iter_free (iter);
 773                 return;
 774         }
 775
 776         while (g_variant_iter_loop (iter, "{&sv}", &key, &value)) {
 777                 if (strcmp (key, "display") == 0 && g_variant_classify (value) == G_VARIANT_CLASS_STRING) {
 778                         display = ev_display_open_if_needed (g_variant_get_string (value, NULL));
 779                 } else if (strcmp (key, "screen") == 0 && g_variant_classify (value) == G_VARIANT_CLASS_STRING) {
 780                         screen_number = g_variant_get_int32 (value);
 781                 } else if (strcmp (key, "mode") == 0 && g_variant_classify (value) == G_VARIANT_CLASS_UINT32) {
 782                         mode = g_variant_get_uint32 (value);
 783                 } else if (strcmp (key, "page-label") == 0 && g_variant_classify (value) == G_VARIANT_CLASS_STRING) {
 784                         dest = ev_link_dest_new_page_label (g_variant_get_string (value, NULL));
 785                 } else if (strcmp (key, "find-string") == 0 && g_variant_classify (value) == G_VARIANT_CLASS_STRING) {
 786                         search_string = g_variant_get_string (value, NULL);
 787                 }
 788         }
 789         g_variant_iter_free (iter);
 790
 791         if (display != NULL &&
 792             screen_number >= 0 &&
 793             screen_number < gdk_display_get_n_screens (display))
 794                 screen = gdk_display_get_screen (display, screen_number);
 795         else
 796                 screen = gdk_screen_get_default ();
 797
 798         windows = ev_application_get_windows (application);
 799         for (l = windows; l != NULL; l = g_list_next (l)) {
 800                 EvWindow *ev_window = EV_WINDOW (l->data);
 801
 802                 ev_application_open_uri_in_window (application, uri, ev_window,
 803                                                    screen, dest, mode,
 804                                                    search_string,
 805                                                    timestamp);
 806         }
 807         g_list_free (windows);
 808
 809         if (dest)
 810                 g_object_unref (dest);
 811
 812         g_dbus_method_invocation_return_value (invocation, g_variant_new ("()"));
 813 }
 814
 815 static const char introspection_xml[] =
 816         "<node>"
 817           "<interface name='org.gnome.evince.Application'>"
 818             "<method name='OpenURI'>"
 819               "<arg type='s' name='uri' direction='in'/>"
 820               "<arg type='a{sv}' name='args' direction='in'/>"
 821               "<arg type='u' name='timestamp' direction='in'/>"
 822             "</method>"
 823           "</interface>"
 824         "</node>";
 825
 826 static const GDBusInterfaceVTable interface_vtable = {
 827         method_call_cb,
 828         NULL,
 829         NULL
 830 };
 831
 832 static GDBusNodeInfo *introspection_data;
 833 #endif /* ENABLE_DBUS */
 834
 835 void
 836 ev_application_open_uri_list (EvApplication *application,
 837                               GSList        *uri_list,
 838                               GdkScreen     *screen,
 839                               guint          timestamp)
 840 {
 841         GSList *l;
 842
 843         for (l = uri_list; l != NULL; l = l->next) {
 844                 ev_application_open_uri_at_dest (application, (char *)l->data,
 845                                                  screen, NULL, 0, NULL,
 846                                                  timestamp);
 847         }
 848 }
 849
 850 static void
 851 ev_application_accel_map_save (EvApplication *application)
 852 {
 853         gchar *accel_map_file;
 854         gchar *tmp_filename;
 855         gint   fd;
 856
 857         if (userdir) {
 858                 accel_map_file = g_build_filename (userdir, "accels",
 859                                                    "evince", NULL);
 860         } else {
 861                 accel_map_file = g_build_filename (g_get_home_dir (),
 862                                                    ".gnome2", "accels",
 863                                                    "evince", NULL);
 864         }
 865
 866         tmp_filename = g_strdup_printf ("%s.XXXXXX", accel_map_file);
 867
 868         fd = g_mkstemp (tmp_filename);
 869         if (fd == -1) {
 870                 g_free (accel_map_file);
 871                 g_free (tmp_filename);
 872
 873                 return;
 874         }
 875         gtk_accel_map_save_fd (fd);
 876         close (fd);
 877
 878         if (g_rename (tmp_filename, accel_map_file) == -1) {
 879                 /* FIXME: win32? */
 880                 g_unlink (tmp_filename);
 881         }
 882
 883         g_free (accel_map_file);
 884         g_free (tmp_filename);
 885 }
 886
 887 static void
 888 ev_application_accel_map_load (EvApplication *application)
 889 {
 890         gchar *accel_map_file;
 891
 892         if (userdir) {
 893                 accel_map_file = g_build_filename (userdir, "accels",
 894                                                    "evince", NULL);
 895         } else {
 896                 accel_map_file = g_build_filename (g_get_home_dir (),
 897                                                    ".gnome2", "accels",
 898                                                    "evince", NULL);
 899         }
 900
 901         gtk_accel_map_load (accel_map_file);
 902         g_free (accel_map_file);
 903 }
 904
 905 void
 906 ev_application_shutdown (EvApplication *application)
 907 {
 908         if (application->uri) {
 909 #ifdef ENABLE_DBUS
 910                 ev_application_unregister_uri (application,
 911                                                application->uri);
 912 #endif
 913                 g_free (application->uri);
 914                 application->uri = NULL;
 915         }
 916
 917         ev_application_accel_map_save (application);
 918
 919         g_object_unref (application->scr_saver);
 920         application->scr_saver = NULL;
 921
 922 #ifdef ENABLE_DBUS
 923         if (application->keys) {
 924                 g_object_unref (application->keys);
 925                 application->keys = NULL;
 926         }
 927         if (application->registration_id != 0) {
 928                 g_dbus_connection_unregister_object (application->connection,
 929                                                      application->registration_id);
 930                 application->registration_id = 0;
 931         }
 932         if (application->connection != NULL) {
 933                 g_object_unref (application->connection);
 934                 application->connection = NULL;
 935         }
 936         if (introspection_data) {
 937                 g_dbus_node_info_ref (introspection_data);
 938                 introspection_data = NULL;
 939         }
 940 #endif /* ENABLE_DBUS */
 941
 942         g_free (application->dot_dir);
 943         application->dot_dir = NULL;
 944         g_free (application->data_dir);
 945         application->data_dir = NULL;
 946         g_free (application->filechooser_open_uri);
 947         application->filechooser_open_uri = NULL;
 948         g_free (application->filechooser_save_uri);
 949         application->filechooser_save_uri = NULL;
 950
 951         g_object_unref (application);
 952         instance = NULL;
 953
 954         gtk_main_quit ();
 955 }
 956
 957 static void
 958 ev_application_class_init (EvApplicationClass *ev_application_class)
 959 {
 960 }
 961
 962 static void
 963 ev_application_init (EvApplication *ev_application)
 964 {
 965         GError *error = NULL;
 966
 967         userdir = g_getenv ("GNOME22_USER_DIR");
 968         if (userdir)
 969                 ev_application->dot_dir = g_build_filename (userdir, "evince", NULL);
 970         else
 971                 ev_application->dot_dir = g_build_filename (g_get_home_dir (),
 972                                                             ".gnome2",
 973                                                             "evince",
 974                                                             NULL);
 975
 976 #ifdef G_OS_WIN32
 977 {
 978         gchar *dir;
 979
 980         dir = g_win32_get_package_installation_directory_of_module (NULL);
 981         ev_application->data_dir = g_build_filename (dir, "share", "evince", NULL);
 982         g_free (dir);
 983 }
 984 #else
 985         ev_application->data_dir = g_strdup (DATADIR);
 986 #endif
 987
 988         ev_application_init_session (ev_application);
 989
 990         ev_application_accel_map_load (ev_application);
 991
 992 #ifdef ENABLE_DBUS
 993         ev_application->connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
 994         if (ev_application->connection != NULL) {
 995                 introspection_data = g_dbus_node_info_new_for_xml (introspection_xml, NULL);
 996                 g_assert (introspection_data != NULL);
 997
 998                 ev_application->registration_id =
 999                     g_dbus_connection_register_object (ev_application->connection,
1000                                                        APPLICATION_DBUS_OBJECT_PATH,
1001                                                        introspection_data->interfaces[0],
1002                                                        &interface_vtable,
1003                                                        ev_application, NULL,
1004                                                        &error);
1005                 if (ev_application->registration_id == 0) {
1006                         g_printerr ("Failed to register bus object: %s\n", error->message);
1007                         g_error_free (error);
1008                 }
1009         } else {
1010                 g_printerr ("Failed to get bus connection: %s\n", error->message);
1011                 g_error_free (error);
1012         }
1013
1014         ev_application->keys = ev_media_player_keys_new ();
1015 #endif /* ENABLE_DBUS */
1016
1017         ev_application->scr_saver = totem_scrsaver_new ();
1018         g_object_set (ev_application->scr_saver,
1019                       "reason", _("Running in presentation mode"),
1020                       NULL);
1021 }
1022
1023 gboolean
1024 ev_application_has_window (EvApplication *application)
1025 {
1026         GList   *windows = ev_application_get_windows (application);
1027         gboolean retval = windows != NULL;
1028
1029         g_list_free (windows);
1030
1031         return retval;
1032 }
1033
1034 const gchar *
1035 ev_application_get_uri (EvApplication *application)
1036 {
1037         return application->uri;
1038 }
1039
1040 /**
1041  * ev_application_get_media_keys:
1042  * @application: The instance of the application.
1043  *
1044  * It gives you access to the media player keys handler object.
1045  *
1046  * Returns: A #EvMediaPlayerKeys.
1047  */
1048 GObject *
1049 ev_application_get_media_keys (EvApplication *application)
1050 {
1051 #ifdef ENABLE_DBUS
1052         return G_OBJECT (application->keys);
1053 #else
1054         return NULL;
1055 #endif /* ENABLE_DBUS */
1056 }
1057
1058 void
1059 ev_application_set_filechooser_uri (EvApplication       *application,
1060                                     GtkFileChooserAction action,
1061                                     const gchar         *uri)
1062 {
1063         if (action == GTK_FILE_CHOOSER_ACTION_OPEN) {
1064                 g_free (application->filechooser_open_uri);
1065                 application->filechooser_open_uri = g_strdup (uri);
1066         } else if (action == GTK_FILE_CHOOSER_ACTION_SAVE) {
1067                 g_free (application->filechooser_save_uri);
1068                 application->filechooser_save_uri = g_strdup (uri);
1069         }
1070 }
1071
1072 const gchar *
1073 ev_application_get_filechooser_uri (EvApplication       *application,
1074                                     GtkFileChooserAction action)
1075 {
1076         if (action == GTK_FILE_CHOOSER_ACTION_OPEN) {
1077                 if (application->filechooser_open_uri)
1078                         return application->filechooser_open_uri;
1079         } else if (action == GTK_FILE_CHOOSER_ACTION_SAVE) {
1080                 if (application->filechooser_save_uri)
1081                         return application->filechooser_save_uri;
1082         }
1083
1084         return NULL;
1085 }
1086
1087 void
1088 ev_application_screensaver_enable (EvApplication *application)
1089 {
1090         totem_scrsaver_enable (application->scr_saver);
1091 }
1092
1093 void
1094 ev_application_screensaver_disable (EvApplication *application)
1095 {
1096         totem_scrsaver_disable (application->scr_saver);
1097 }
1098
1099 const gchar *
1100 ev_application_get_dot_dir (EvApplication *application,
1101                             gboolean create)
1102 {
1103         if (create)
1104                 g_mkdir_with_parents (application->dot_dir, 0700);
1105
1106         return application->dot_dir;
1107 }
1108
1109 const gchar *
1110 ev_application_get_data_dir (EvApplication   *application)
1111 {
1112         return application->data_dir;
1113 }