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 void _ev_application_open_uri_at_dest (EvApplication  *application,
  95                                               const gchar    *uri,
  96                                               GdkScreen      *screen,
  97                                               EvLinkDest     *dest,
  98                                               EvWindowRunMode mode,
  99                                               const gchar    *search_string,
 100                                               guint           timestamp);
 101 static void ev_application_open_uri_in_window (EvApplication  *application,
 102                                                const char     *uri,
 103                                                EvWindow       *ev_window,
 104                                                GdkScreen      *screen,
 105                                                EvLinkDest     *dest,
 106                                                EvWindowRunMode mode,
 107                                                const gchar    *search_string,
 108                                                guint           timestamp);
 109
 110 /**
 111  * ev_application_get_instance:
 112  *
 113  * Checks for #EvApplication instance, if it doesn't exist it does create it.
 114  *
 115  * Returns: an instance of the #EvApplication data.
 116  */
 117 EvApplication *
 118 ev_application_get_instance (void)
 119 {
 120         if (!instance) {
 121                 instance = EV_APPLICATION (g_object_new (EV_TYPE_APPLICATION, NULL));
 122         }
 123
 124         return instance;
 125 }
 126
 127 /* Session */
 128 gboolean
 129 ev_application_load_session (EvApplication *application)
 130 {
 131         GKeyFile *state_file;
 132         gchar    *uri;
 133
 134 #ifdef WITH_SMCLIENT
 135         if (egg_sm_client_is_resumed (application->smclient)) {
 136                 state_file = egg_sm_client_get_state_file (application->smclient);
 137                 if (!state_file)
 138                         return FALSE;
 139         } else
 140 #endif /* WITH_SMCLIENT */
 141                 return FALSE;
 142
 143         uri = g_key_file_get_string (state_file, "Evince", "uri", NULL);
 144         if (!uri)
 145                 return FALSE;
 146
 147         ev_application_open_uri_at_dest (application, uri,
 148                                          gdk_screen_get_default (),
 149                                          NULL, 0, NULL,
 150                                          GDK_CURRENT_TIME);
 151         g_free (uri);
 152         g_key_file_free (state_file);
 153
 154         return TRUE;
 155 }
 156
 157 #ifdef WITH_SMCLIENT
 158
 159 static void
 160 smclient_save_state_cb (EggSMClient   *client,
 161                         GKeyFile      *state_file,
 162                         EvApplication *application)
 163 {
 164         if (!application->uri)
 165                 return;
 166
 167         g_key_file_set_string (state_file, "Evince", "uri", application->uri);
 168 }
 169
 170 static void
 171 smclient_quit_cb (EggSMClient   *client,
 172                   EvApplication *application)
 173 {
 174         ev_application_shutdown (application);
 175 }
 176 #endif /* WITH_SMCLIENT */
 177
 178 static void
 179 ev_application_init_session (EvApplication *application)
 180 {
 181 #ifdef WITH_SMCLIENT
 182         application->smclient = egg_sm_client_get ();
 183         g_signal_connect (application->smclient, "save_state",
 184                           G_CALLBACK (smclient_save_state_cb),
 185                           application);
 186         g_signal_connect (application->smclient, "quit",
 187                           G_CALLBACK (smclient_quit_cb),
 188                           application);
 189 #endif
 190 }
 191
 192 /**
 193  * ev_display_open_if_needed:
 194  * @name: the name of the display to be open if it's needed.
 195  *
 196  * Search among all the open displays if any of them have the same name as the
 197  * passed name. If the display isn't found it tries the open it.
 198  *
 199  * Returns: a #GdkDisplay of the display with the passed name.
 200  */
 201 static GdkDisplay *
 202 ev_display_open_if_needed (const gchar *name)
 203 {
 204         GSList     *displays;
 205         GSList     *l;
 206         GdkDisplay *display = NULL;
 207
 208         displays = gdk_display_manager_list_displays (gdk_display_manager_get ());
 209
 210         for (l = displays; l != NULL; l = l->next) {
 211                 const gchar *display_name = gdk_display_get_name ((GdkDisplay *) l->data);
 212
 213                 if (g_ascii_strcasecmp (display_name, name) == 0) {
 214                         display = l->data;
 215                         break;
 216                 }
 217         }
 218
 219         g_slist_free (displays);
 220
 221         return display != NULL ? display : gdk_display_open (name);
 222 }
 223
 224 static void
 225 ev_spawn (const char     *uri,
 226           GdkScreen      *screen,
 227           EvLinkDest     *dest,
 228           EvWindowRunMode mode,
 229           const gchar    *search_string,
 230           guint           timestamp)
 231 {
 232         GString *cmd;
 233         gchar *path, *cmdline;
 234         GAppInfo *app;
 235         GdkAppLaunchContext *ctx;
 236         GError  *error = NULL;
 237
 238         cmd = g_string_new (NULL);
 239
 240 #ifdef G_OS_WIN32
 241 {
 242         gchar *dir;
 243
 244         dir = g_win32_get_package_installation_directory_of_module (NULL);
 245         path = g_build_filename (dir, "bin", "evince", NULL);
 246
 247         g_free (dir);
 248 }
 249 #else
 250         path = g_build_filename (BINDIR, "evince", NULL);
 251 #endif
 252
 253         g_string_append_printf (cmd, " %s", path);
 254         g_free (path);
 255
 256         /* Page label */
 257         if (dest) {
 258                 const gchar *page_label;
 259
 260                 page_label = ev_link_dest_get_page_label (dest);
 261
 262                 if (page_label)
 263                         g_string_append_printf (cmd, " --page-label=%s", page_label);
 264                 else
 265                         g_string_append_printf (cmd, " --page-label=%d",
 266                                                 ev_link_dest_get_page (dest));
 267         }
 268
 269         /* Find string */
 270         if (search_string) {
 271                 g_string_append_printf (cmd, " --find=%s", search_string);
 272         }
 273
 274         /* Mode */
 275         switch (mode) {
 276         case EV_WINDOW_MODE_FULLSCREEN:
 277                 g_string_append (cmd, " -f");
 278                 break;
 279         case EV_WINDOW_MODE_PRESENTATION:
 280                 g_string_append (cmd, " -s");
 281                 break;
 282         default:
 283                 break;
 284         }
 285
 286         cmdline = g_string_free (cmd, FALSE);
 287         app = g_app_info_create_from_commandline (cmdline, NULL, 0, &error);
 288
 289         if (app != NULL) {
 290                 GList uri_list;
 291
 292                 ctx = gdk_display_get_app_launch_context (gdk_screen_get_display (screen));
 293                 gdk_app_launch_context_set_screen (ctx, screen);
 294                 gdk_app_launch_context_set_timestamp (ctx, timestamp);
 295
 296                 /* Some URIs can be changed when passed through a GFile
 297                  * (for instance unsupported uris with strange formats like mailto:),
 298                  * so if you have a textual uri you want to pass in as argument,
 299                  * consider using g_app_info_launch_uris() instead.
 300                  * See https://bugzilla.gnome.org/show_bug.cgi?id=644604
 301                  */
 302                 uri_list.data = (gchar *)uri;
 303                 uri_list.prev = uri_list.next = NULL;
 304                 g_app_info_launch_uris (app, &uri_list,
 305                                         G_APP_LAUNCH_CONTEXT (ctx), &error);
 306
 307                 g_object_unref (app);
 308                 g_object_unref (ctx);
 309         }
 310
 311         if (error != NULL) {
 312                 g_warning ("Error launching evince %s: %s\n", uri, error->message);
 313                 g_error_free (error);
 314         }
 315
 316         g_free (cmdline);
 317 }
 318
 319 static GList *
 320 ev_application_get_windows (EvApplication *application)
 321 {
 322         GList *l, *toplevels;
 323         GList *windows = NULL;
 324
 325         toplevels = gtk_window_list_toplevels ();
 326
 327         for (l = toplevels; l != NULL; l = l->next) {
 328                 if (EV_IS_WINDOW (l->data)) {
 329                         windows = g_list_append (windows, l->data);
 330                 }
 331         }
 332
 333         g_list_free (toplevels);
 334
 335         return windows;
 336 }
 337
 338 static EvWindow *
 339 ev_application_get_empty_window (EvApplication *application,
 340                                  GdkScreen     *screen)
 341 {
 342         EvWindow *empty_window = NULL;
 343         GList    *windows = ev_application_get_windows (application);
 344         GList    *l;
 345
 346         for (l = windows; l != NULL; l = l->next) {
 347                 EvWindow *window = EV_WINDOW (l->data);
 348
 349                 if (ev_window_is_empty (window) &&
 350                     gtk_window_get_screen (GTK_WINDOW (window)) == screen) {
 351                         empty_window = window;
 352                         break;
 353                 }
 354         }
 355
 356         g_list_free (windows);
 357
 358         return empty_window;
 359 }
 360
 361
 362 #ifdef ENABLE_DBUS
 363 typedef struct {
 364         gchar          *uri;
 365         GdkScreen      *screen;
 366         EvLinkDest     *dest;
 367         EvWindowRunMode mode;
 368         gchar          *search_string;
 369         guint           timestamp;
 370 } EvRegisterDocData;
 371
 372 static void
 373 ev_register_doc_data_free (EvRegisterDocData *data)
 374 {
 375         if (!data)
 376                 return;
 377
 378         g_free (data->uri);
 379         if (data->search_string)
 380                 g_free (data->search_string);
 381         if (data->dest)
 382                 g_object_unref (data->dest);
 383
 384         g_free (data);
 385 }
 386
 387 static void
 388 on_reload_cb (GObject      *source_object,
 389               GAsyncResult *res,
 390               gpointer      user_data)
 391 {
 392         GDBusConnection *connection = G_DBUS_CONNECTION (source_object);
 393         GVariant        *value;
 394         GError          *error = NULL;
 395
 396         value = g_dbus_connection_call_finish (connection, res, &error);
 397         if (!value) {
 398                 g_warning ("Failed to Reload: %s", error->message);
 399                 g_error_free (error);
 400         }
 401         g_variant_unref (value);
 402
 403         /* We did not open a window, so manually clear the startup
 404          * notification. */
 405         gdk_notify_startup_complete ();
 406
 407         ev_application_shutdown (EV_APP);
 408 }
 409
 410 static void
 411 on_register_uri_cb (GObject      *source_object,
 412                     GAsyncResult *res,
 413                     gpointer      user_data)
 414 {
 415         GDBusConnection   *connection = G_DBUS_CONNECTION (source_object);
 416         EvRegisterDocData *data = (EvRegisterDocData *)user_data;
 417         EvApplication     *application = EV_APP;
 418         GVariant          *value;
 419         const gchar       *owner;
 420         GVariantBuilder    builder;
 421         GError            *error = NULL;
 422
 423         value = g_dbus_connection_call_finish (connection, res, &error);
 424         if (!value) {
 425                 g_warning ("Error registering document: %s\n", error->message);
 426                 g_error_free (error);
 427
 428                 _ev_application_open_uri_at_dest (application,
 429                                                   data->uri,
 430                                                   data->screen,
 431                                                   data->dest,
 432                                                   data->mode,
 433                                                   data->search_string,
 434                                                   data->timestamp);
 435                 ev_register_doc_data_free (data);
 436
 437                 return;
 438         }
 439
 440         g_variant_get (value, "(&s)", &owner);
 441
 442         /* This means that the document wasn't already registered; go
 443          * ahead with opening it.
 444          */
 445         if (owner[0] == '\0') {
 446                 g_variant_unref (value);
 447
 448                 application->doc_registered = TRUE;
 449
 450                 _ev_application_open_uri_at_dest (application,
 451                                                   data->uri,
 452                                                   data->screen,
 453                                                   data->dest,
 454                                                   data->mode,
 455                                                   data->search_string,
 456                                                   data->timestamp);
 457                 ev_register_doc_data_free (data);
 458
 459                 return;
 460         }
 461
 462         /* Already registered */
 463         g_variant_builder_init (&builder, G_VARIANT_TYPE ("(a{sv}u)"));
 464         g_variant_builder_open (&builder, G_VARIANT_TYPE ("a{sv}"));
 465         g_variant_builder_add (&builder, "{sv}",
 466                                "display",
 467                                g_variant_new_string (gdk_display_get_name (gdk_screen_get_display (data->screen))));
 468         g_variant_builder_add (&builder, "{sv}",
 469                                "screen",
 470                                g_variant_new_int32 (gdk_screen_get_number (data->screen)));
 471         if (data->dest) {
 472                 g_variant_builder_add (&builder, "{sv}",
 473                                        "page-label",
 474                                        g_variant_new_string (ev_link_dest_get_page_label (data->dest)));
 475         }
 476         if (data->search_string) {
 477                 g_variant_builder_add (&builder, "{sv}",
 478                                        "find-string",
 479                                        g_variant_new_string (data->search_string));
 480         }
 481         if (data->mode != EV_WINDOW_MODE_NORMAL) {
 482                 g_variant_builder_add (&builder, "{sv}",
 483                                        "mode",
 484                                        g_variant_new_uint32 (data->mode));
 485         }
 486         g_variant_builder_close (&builder);
 487
 488         g_variant_builder_add (&builder, "u", data->timestamp);
 489
 490         g_dbus_connection_call (connection,
 491                                 owner,
 492                                 APPLICATION_DBUS_OBJECT_PATH,
 493                                 APPLICATION_DBUS_INTERFACE,
 494                                 "Reload",
 495                                 g_variant_builder_end (&builder),
 496                                 NULL,
 497                                 G_DBUS_CALL_FLAGS_NONE,
 498                                 -1,
 499                                 NULL,
 500                                 on_reload_cb,
 501                                 NULL);
 502         g_variant_unref (value);
 503         ev_register_doc_data_free (data);
 504 }
 505
 506 /*
 507  * ev_application_register_uri:
 508  * @application:
 509  * @uri:
 510  * @screen:
 511  * @dest:
 512  * @mode:
 513  * @search_string:
 514  * @timestamp:
 515  *
 516  * Registers @uri with evince-daemon.
 517  *
 518  */
 519 static void
 520 ev_application_register_uri (EvApplication  *application,
 521                              const gchar    *uri,
 522                              GdkScreen      *screen,
 523                              EvLinkDest     *dest,
 524                              EvWindowRunMode mode,
 525                              const gchar    *search_string,
 526                              guint           timestamp)
 527 {
 528         EvRegisterDocData *data;
 529
 530         if (!application->connection)
 531                 return;
 532
 533         if (application->doc_registered) {
 534                 /* Already registered, reload */
 535                 GList *windows, *l;
 536
 537                 windows = ev_application_get_windows (application);
 538                 for (l = windows; l != NULL; l = g_list_next (l)) {
 539                         EvWindow *ev_window = EV_WINDOW (l->data);
 540
 541                         ev_application_open_uri_in_window (application, uri, ev_window,
 542                                                            screen, dest, mode,
 543                                                            search_string,
 544                                                            timestamp);
 545                 }
 546                 g_list_free (windows);
 547
 548                 return;
 549         }
 550
 551         data = g_new (EvRegisterDocData, 1);
 552         data->uri = g_strdup (uri);
 553         data->screen = screen;
 554         data->dest = dest ? g_object_ref (dest) : NULL;
 555         data->mode = mode;
 556         data->search_string = search_string ? g_strdup (search_string) : NULL;
 557         data->timestamp = timestamp;
 558
 559         g_dbus_connection_call (application->connection,
 560                                 EVINCE_DAEMON_SERVICE,
 561                                 EVINCE_DAEMON_OBJECT_PATH,
 562                                 EVINCE_DAEMON_INTERFACE,
 563                                 "RegisterDocument",
 564                                 g_variant_new ("(s)", uri),
 565                                 G_VARIANT_TYPE ("(s)"),
 566                                 G_DBUS_CALL_FLAGS_NONE,
 567                                 -1,
 568                                 NULL,
 569                                 on_register_uri_cb,
 570                                 data);
 571 }
 572
 573 static void
 574 ev_application_unregister_uri (EvApplication *application,
 575                                const gchar   *uri)
 576 {
 577         GVariant *value;
 578         GError   *error = NULL;
 579
 580         if (!application->doc_registered)
 581                 return;
 582
 583         /* This is called from ev_application_shutdown(),
 584          * so it's safe to use the sync api
 585          */
 586         value = g_dbus_connection_call_sync (
 587                 application->connection,
 588                 EVINCE_DAEMON_SERVICE,
 589                 EVINCE_DAEMON_OBJECT_PATH,
 590                 EVINCE_DAEMON_INTERFACE,
 591                 "UnregisterDocument",
 592                 g_variant_new ("(s)", uri),
 593                 NULL,
 594                 G_DBUS_CALL_FLAGS_NO_AUTO_START,
 595                 -1,
 596                 NULL,
 597                 &error);
 598         if (value == NULL) {
 599                 g_warning ("Error unregistering document: %s\n", error->message);
 600                 g_error_free (error);
 601         } else {
 602                 g_variant_unref (value);
 603         }
 604 }
 605 #endif /* ENABLE_DBUS */
 606
 607 static void
 608 ev_application_open_uri_in_window (EvApplication  *application,
 609                                    const char     *uri,
 610                                    EvWindow       *ev_window,
 611                                    GdkScreen      *screen,
 612                                    EvLinkDest     *dest,
 613                                    EvWindowRunMode mode,
 614                                    const gchar    *search_string,
 615                                    guint           timestamp)
 616 {
 617 #ifdef GDK_WINDOWING_X11
 618         GdkWindow *gdk_window;
 619 #endif
 620
 621         if (screen) {
 622                 ev_stock_icons_set_screen (screen);
 623                 gtk_window_set_screen (GTK_WINDOW (ev_window), screen);
 624         }
 625
 626         /* We need to load uri before showing the window, so
 627            we can restore window size without flickering */
 628         ev_window_open_uri (ev_window, uri, dest, mode, search_string);
 629
 630         if (!gtk_widget_get_realized (GTK_WIDGET (ev_window)))
 631                 gtk_widget_realize (GTK_WIDGET (ev_window));
 632
 633 #ifdef GDK_WINDOWING_X11
 634         gdk_window = gtk_widget_get_window (GTK_WIDGET (ev_window));
 635
 636         if (timestamp <= 0)
 637                 timestamp = gdk_x11_get_server_time (gdk_window);
 638         gdk_x11_window_set_user_time (gdk_window, timestamp);
 639
 640         gtk_window_present (GTK_WINDOW (ev_window));
 641 #else
 642         gtk_window_present_with_time (GTK_WINDOW (ev_window), timestamp);
 643 #endif /* GDK_WINDOWING_X11 */
 644 }
 645
 646 static void
 647 _ev_application_open_uri_at_dest (EvApplication  *application,
 648                                   const gchar    *uri,
 649                                   GdkScreen      *screen,
 650                                   EvLinkDest     *dest,
 651                                   EvWindowRunMode mode,
 652                                   const gchar    *search_string,
 653                                   guint           timestamp)
 654 {
 655         EvWindow *ev_window;
 656
 657         ev_window = ev_application_get_empty_window (application, screen);
 658         if (!ev_window)
 659                 ev_window = EV_WINDOW (ev_window_new ());
 660
 661         ev_application_open_uri_in_window (application, uri, ev_window,
 662                                            screen, dest, mode,
 663                                            search_string,
 664                                            timestamp);
 665 }
 666
 667 /**
 668  * ev_application_open_uri_at_dest:
 669  * @application: The instance of the application.
 670  * @uri: The uri to be opened.
 671  * @screen: Thee screen where the link will be shown.
 672  * @dest: The #EvLinkDest of the document.
 673  * @mode: The run mode of the window.
 674  * @timestamp: Current time value.
 675  */
 676 void
 677 ev_application_open_uri_at_dest (EvApplication  *application,
 678                                  const char     *uri,
 679                                  GdkScreen      *screen,
 680                                  EvLinkDest     *dest,
 681                                  EvWindowRunMode mode,
 682                                  const gchar    *search_string,
 683                                  guint           timestamp)
 684 {
 685         g_return_if_fail (uri != NULL);
 686
 687         if (application->uri && strcmp (application->uri, uri) != 0) {
 688                 /* spawn a new evince process */
 689                 ev_spawn (uri, screen, dest, mode, search_string, timestamp);
 690                 return;
 691         } else if (!application->uri) {
 692                 application->uri = g_strdup (uri);
 693         }
 694
 695 #ifdef ENABLE_DBUS
 696         /* Register the uri or send Reload to
 697          * remote instance if already registered
 698          */
 699         ev_application_register_uri (application, uri, screen, dest, mode, search_string, timestamp);
 700 #else
 701         _ev_application_open_uri_at_dest (application, uri, screen, dest, mode, search_string, timestamp);
 702 #endif /* ENABLE_DBUS */
 703 }
 704
 705 /**
 706  * ev_application_open_window:
 707  * @application: The instance of the application.
 708  * @timestamp: Current time value.
 709  *
 710  * Creates a new window
 711  */
 712 void
 713 ev_application_open_window (EvApplication *application,
 714                             GdkScreen     *screen,
 715                             guint32        timestamp)
 716 {
 717         GtkWidget *new_window = ev_window_new ();
 718 #ifdef GDK_WINDOWING_X11
 719         GdkWindow *gdk_window;
 720 #endif
 721
 722         if (screen) {
 723                 ev_stock_icons_set_screen (screen);
 724                 gtk_window_set_screen (GTK_WINDOW (new_window), screen);
 725         }
 726
 727         if (!gtk_widget_get_realized (new_window))
 728                 gtk_widget_realize (new_window);
 729
 730 #ifdef GDK_WINDOWING_X11
 731         gdk_window = gtk_widget_get_window (GTK_WIDGET (new_window));
 732
 733         if (timestamp <= 0)
 734                 timestamp = gdk_x11_get_server_time (gdk_window);
 735         gdk_x11_window_set_user_time (gdk_window, timestamp);
 736
 737         gtk_window_present (GTK_WINDOW (new_window));
 738 #else
 739         gtk_window_present_with_time (GTK_WINDOW (new_window), timestamp);
 740 #endif /* GDK_WINDOWING_X11 */
 741 }
 742
 743 #ifdef ENABLE_DBUS
 744 static void
 745 method_call_cb (GDBusConnection       *connection,
 746                 const gchar           *sender,
 747                 const gchar           *object_path,
 748                 const gchar           *interface_name,
 749                 const gchar           *method_name,
 750                 GVariant              *parameters,
 751                 GDBusMethodInvocation *invocation,
 752                 gpointer               user_data)
 753 {
 754         EvApplication   *application = EV_APPLICATION (user_data);
 755         GList           *windows, *l;
 756         guint            timestamp;
 757         GVariantIter    *iter;
 758         const gchar     *key;
 759         GVariant        *value;
 760         GdkDisplay      *display = NULL;
 761         int              screen_number = 0;
 762         EvLinkDest      *dest = NULL;
 763         EvWindowRunMode  mode = EV_WINDOW_MODE_NORMAL;
 764         const gchar     *search_string = NULL;
 765         GdkScreen       *screen = NULL;
 766
 767         if (g_strcmp0 (method_name, "Reload") == 0) {
 768                 g_variant_get (parameters, "(a{sv}u)", &iter, &timestamp);
 769
 770                 while (g_variant_iter_loop (iter, "{&sv}", &key, &value)) {
 771                         if (strcmp (key, "display") == 0 && g_variant_classify (value) == G_VARIANT_CLASS_STRING) {
 772                                 display = ev_display_open_if_needed (g_variant_get_string (value, NULL));
 773                         } else if (strcmp (key, "screen") == 0 && g_variant_classify (value) == G_VARIANT_CLASS_STRING) {
 774                                 screen_number = g_variant_get_int32 (value);
 775                         } else if (strcmp (key, "mode") == 0 && g_variant_classify (value) == G_VARIANT_CLASS_UINT32) {
 776                         mode = g_variant_get_uint32 (value);
 777                         } else if (strcmp (key, "page-label") == 0 && g_variant_classify (value) == G_VARIANT_CLASS_STRING) {
 778                                 dest = ev_link_dest_new_page_label (g_variant_get_string (value, NULL));
 779                         } else if (strcmp (key, "find-string") == 0 && g_variant_classify (value) == G_VARIANT_CLASS_STRING) {
 780                                 search_string = g_variant_get_string (value, NULL);
 781                         }
 782                 }
 783                 g_variant_iter_free (iter);
 784
 785                 if (display != NULL &&
 786                     screen_number >= 0 &&
 787                     screen_number < gdk_display_get_n_screens (display))
 788                         screen = gdk_display_get_screen (display, screen_number);
 789                 else
 790                         screen = gdk_screen_get_default ();
 791
 792                 windows = ev_application_get_windows (application);
 793                 for (l = windows; l != NULL; l = g_list_next (l)) {
 794                         EvWindow *ev_window = EV_WINDOW (l->data);
 795
 796                         ev_application_open_uri_in_window (application, application->uri,
 797                                                            ev_window,
 798                                                            screen, dest, mode,
 799                                                            search_string,
 800                                                            timestamp);
 801                 }
 802                 g_list_free (windows);
 803
 804                 if (dest)
 805                         g_object_unref (dest);
 806
 807                 g_dbus_method_invocation_return_value (invocation, g_variant_new ("()"));
 808         } else if (g_strcmp0 (method_name, "GetWindowList") == 0) {
 809                 GList          *windows = ev_application_get_windows (application);
 810                 GVariantBuilder builder;
 811                 GList          *l;
 812
 813                 g_variant_builder_init (&builder, G_VARIANT_TYPE ("(ao)"));
 814                 g_variant_builder_open (&builder, G_VARIANT_TYPE ("ao"));
 815
 816                 for (l = windows; l; l = g_list_next (l)) {
 817                         EvWindow *window = (EvWindow *)l->data;
 818
 819                         g_variant_builder_add (&builder, "o", ev_window_get_dbus_object_path (window));
 820                 }
 821
 822                 g_variant_builder_close (&builder);
 823                 g_list_free (windows);
 824
 825                 g_dbus_method_invocation_return_value (invocation, g_variant_builder_end (&builder));
 826         }
 827 }
 828
 829 static const char introspection_xml[] =
 830         "<node>"
 831           "<interface name='org.gnome.evince.Application'>"
 832             "<method name='Reload'>"
 833               "<arg type='a{sv}' name='args' direction='in'/>"
 834               "<arg type='u' name='timestamp' direction='in'/>"
 835             "</method>"
 836             "<method name='GetWindowList'>"
 837               "<arg type='ao' name='window_list' direction='out'/>"
 838             "</method>"
 839           "</interface>"
 840         "</node>";
 841
 842 static const GDBusInterfaceVTable interface_vtable = {
 843         method_call_cb,
 844         NULL,
 845         NULL
 846 };
 847
 848 static GDBusNodeInfo *introspection_data;
 849 #endif /* ENABLE_DBUS */
 850
 851 void
 852 ev_application_open_uri_list (EvApplication *application,
 853                               GSList        *uri_list,
 854                               GdkScreen     *screen,
 855                               guint          timestamp)
 856 {
 857         GSList *l;
 858
 859         for (l = uri_list; l != NULL; l = l->next) {
 860                 ev_application_open_uri_at_dest (application, (char *)l->data,
 861                                                  screen, NULL, 0, NULL,
 862                                                  timestamp);
 863         }
 864 }
 865
 866 static void
 867 ev_application_accel_map_save (EvApplication *application)
 868 {
 869         gchar *accel_map_file;
 870         gchar *tmp_filename;
 871         gint   fd;
 872
 873         accel_map_file = g_build_filename (application->dot_dir, "accels", NULL);
 874         tmp_filename = g_strdup_printf ("%s.XXXXXX", accel_map_file);
 875
 876         fd = g_mkstemp (tmp_filename);
 877         if (fd == -1) {
 878                 g_free (accel_map_file);
 879                 g_free (tmp_filename);
 880
 881                 return;
 882         }
 883         gtk_accel_map_save_fd (fd);
 884         close (fd);
 885
 886         g_mkdir_with_parents (application->dot_dir, 0700);
 887         if (g_rename (tmp_filename, accel_map_file) == -1) {
 888                 /* FIXME: win32? */
 889                 g_unlink (tmp_filename);
 890         }
 891
 892         g_free (accel_map_file);
 893         g_free (tmp_filename);
 894 }
 895
 896 static void
 897 ev_application_accel_map_load (EvApplication *application)
 898 {
 899         gchar *accel_map_file;
 900
 901         accel_map_file = g_build_filename (application->dot_dir, "accels", NULL);
 902         gtk_accel_map_load (accel_map_file);
 903         g_free (accel_map_file);
 904 }
 905
 906 static void
 907 ev_application_migrate_config_dir (EvApplication *application)
 908 {
 909         const gchar        *userdir;
 910         gchar              *old_dot_dir;
 911         gchar              *old_accels;
 912         GError             *error;
 913         gint                i;
 914         gboolean            dir_created = FALSE;
 915         static const gchar *config_files[] = {
 916                 "evince_toolbar.xml",
 917                 "print-settings",
 918                 NULL
 919         };
 920
 921         userdir = g_getenv ("GNOME22_USER_DIR");
 922         if (userdir) {
 923                 old_dot_dir = g_build_filename (userdir, "evince", NULL);
 924                 old_accels = g_build_filename (userdir, "accels", "evince", NULL);
 925         } else {
 926                 old_dot_dir = g_build_filename (g_get_home_dir (),
 927                                                 ".gnome2",
 928                                                 "evince",
 929                                                 NULL);
 930                 old_accels = g_build_filename (g_get_home_dir (),
 931                                                ".gnome2", "accels",
 932                                                "evince", NULL);
 933         }
 934
 935         if (g_file_test (old_dot_dir, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) {
 936                 for (i = 0; config_files[i]; i++) {
 937                         gchar   *old_filename;
 938                         gchar   *new_filename;
 939                         GFile   *old_file;
 940                         GFile   *new_file;
 941
 942                         old_filename = g_build_filename (old_dot_dir, config_files[i], NULL);
 943                         if (!g_file_test (old_filename, G_FILE_TEST_EXISTS)) {
 944                                 g_free (old_filename);
 945                                 continue;
 946                         }
 947
 948                         if (!dir_created) {
 949                                 g_mkdir_with_parents (application->dot_dir, 0700);
 950                                 dir_created = TRUE;
 951                         }
 952
 953                         new_filename = g_build_filename (application->dot_dir, config_files[i], NULL);
 954                         old_file = g_file_new_for_path (old_filename);
 955                         new_file = g_file_new_for_path (new_filename);
 956
 957                         error = NULL;
 958                         g_file_move (old_file, new_file, 0, NULL, NULL, NULL, &error);
 959                         if (error) {
 960                                 g_warning ("Error migrating config file %s: %s\n",
 961                                            old_filename, error->message);
 962                                 g_error_free (error);
 963                         }
 964
 965                         g_free (old_filename);
 966                         g_free (new_filename);
 967                         g_object_unref (old_file);
 968                         g_object_unref (new_file);
 969                 }
 970         }
 971
 972         g_free (old_dot_dir);
 973
 974         if (g_file_test (old_accels, G_FILE_TEST_EXISTS)) {
 975                 gchar *new_accels;
 976                 GFile *old_accels_file;
 977                 GFile *new_accels_file;
 978
 979                 if (!dir_created)
 980                         g_mkdir_with_parents (application->dot_dir, 0700);
 981
 982                 new_accels = g_build_filename (application->dot_dir, "accels", NULL);
 983                 old_accels_file = g_file_new_for_path (old_accels);
 984                 new_accels_file = g_file_new_for_path (new_accels);
 985
 986                 error = NULL;
 987                 g_file_move (old_accels_file, new_accels_file, 0, NULL, NULL, NULL, &error);
 988                 if (error) {
 989                         g_warning ("Error migrating accelerator specifications file %s: %s\n",
 990                                    old_accels, error->message);
 991                         g_error_free (error);
 992                 }
 993
 994                 g_free (new_accels);
 995                 g_object_unref (old_accels_file);
 996                 g_object_unref (new_accels_file);
 997         }
 998
 999         g_free (old_accels);
1000 }
1001
1002 void
1003 ev_application_shutdown (EvApplication *application)
1004 {
1005         if (application->uri) {
1006 #ifdef ENABLE_DBUS
1007                 ev_application_unregister_uri (application,
1008                                                application->uri);
1009 #endif
1010                 g_free (application->uri);
1011                 application->uri = NULL;
1012         }
1013
1014         ev_application_accel_map_save (application);
1015
1016         g_object_unref (application->scr_saver);
1017         application->scr_saver = NULL;
1018
1019 #ifdef ENABLE_DBUS
1020         if (application->keys) {
1021                 g_object_unref (application->keys);
1022                 application->keys = NULL;
1023         }
1024         if (application->registration_id != 0) {
1025                 g_dbus_connection_unregister_object (application->connection,
1026                                                      application->registration_id);
1027                 application->registration_id = 0;
1028         }
1029         if (application->connection != NULL) {
1030                 g_object_unref (application->connection);
1031                 application->connection = NULL;
1032         }
1033         if (introspection_data) {
1034                 g_dbus_node_info_ref (introspection_data);
1035                 introspection_data = NULL;
1036         }
1037 #endif /* ENABLE_DBUS */
1038
1039         g_free (application->dot_dir);
1040         application->dot_dir = NULL;
1041         g_free (application->data_dir);
1042         application->data_dir = NULL;
1043         g_free (application->filechooser_open_uri);
1044         application->filechooser_open_uri = NULL;
1045         g_free (application->filechooser_save_uri);
1046         application->filechooser_save_uri = NULL;
1047
1048         g_object_unref (application);
1049         instance = NULL;
1050
1051         gtk_main_quit ();
1052 }
1053
1054 static void
1055 ev_application_class_init (EvApplicationClass *ev_application_class)
1056 {
1057 }
1058
1059 static void
1060 ev_application_init (EvApplication *ev_application)
1061 {
1062         GError *error = NULL;
1063
1064         ev_application->dot_dir = g_build_filename (g_get_user_config_dir (),
1065                                                     "evince", NULL);
1066         if (!g_file_test (ev_application->dot_dir, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))
1067                 ev_application_migrate_config_dir (ev_application);
1068
1069 #ifdef G_OS_WIN32
1070 {
1071         gchar *dir;
1072
1073         dir = g_win32_get_package_installation_directory_of_module (NULL);
1074         ev_application->data_dir = g_build_filename (dir, "share", "evince", NULL);
1075         g_free (dir);
1076 }
1077 #else
1078         ev_application->data_dir = g_strdup (EVINCEDATADIR);
1079 #endif
1080
1081         ev_application_init_session (ev_application);
1082
1083         ev_application_accel_map_load (ev_application);
1084
1085 #ifdef ENABLE_DBUS
1086         ev_application->connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
1087         if (ev_application->connection != NULL) {
1088                 introspection_data = g_dbus_node_info_new_for_xml (introspection_xml, NULL);
1089                 g_assert (introspection_data != NULL);
1090
1091                 ev_application->registration_id =
1092                     g_dbus_connection_register_object (ev_application->connection,
1093                                                        APPLICATION_DBUS_OBJECT_PATH,
1094                                                        introspection_data->interfaces[0],
1095                                                        &interface_vtable,
1096                                                        ev_application, NULL,
1097                                                        &error);
1098                 if (ev_application->registration_id == 0) {
1099                         g_printerr ("Failed to register bus object: %s\n", error->message);
1100                         g_error_free (error);
1101                 }
1102         } else {
1103                 g_printerr ("Failed to get bus connection: %s\n", error->message);
1104                 g_error_free (error);
1105         }
1106
1107         ev_application->keys = ev_media_player_keys_new ();
1108 #endif /* ENABLE_DBUS */
1109
1110         ev_application->scr_saver = totem_scrsaver_new ();
1111         g_object_set (ev_application->scr_saver,
1112                       "reason", _("Running in presentation mode"),
1113                       NULL);
1114 }
1115
1116 GDBusConnection *
1117 ev_application_get_dbus_connection (EvApplication *application)
1118 {
1119 #ifdef ENABLE_DBUS
1120         return application->connection;
1121 #else
1122         return NULL;
1123 #endif
1124 }
1125
1126 gboolean
1127 ev_application_has_window (EvApplication *application)
1128 {
1129         GList    *l, *toplevels;
1130         gboolean  retval = FALSE;
1131
1132         toplevels = gtk_window_list_toplevels ();
1133
1134         for (l = toplevels; l != NULL && !retval; l = l->next) {
1135                 if (EV_IS_WINDOW (l->data))
1136                         retval = TRUE;
1137         }
1138
1139         g_list_free (toplevels);
1140
1141         return retval;
1142 }
1143
1144 guint
1145 ev_application_get_n_windows (EvApplication *application)
1146 {
1147         GList *l, *toplevels;
1148         guint  retval = 0;
1149
1150         toplevels = gtk_window_list_toplevels ();
1151
1152         for (l = toplevels; l != NULL; l = l->next) {
1153                 if (EV_IS_WINDOW (l->data))
1154                         retval++;
1155         }
1156
1157         g_list_free (toplevels);
1158
1159         return retval;
1160 }
1161
1162 const gchar *
1163 ev_application_get_uri (EvApplication *application)
1164 {
1165         return application->uri;
1166 }
1167
1168 /**
1169  * ev_application_get_media_keys:
1170  * @application: The instance of the application.
1171  *
1172  * It gives you access to the media player keys handler object.
1173  *
1174  * Returns: A #EvMediaPlayerKeys.
1175  */
1176 GObject *
1177 ev_application_get_media_keys (EvApplication *application)
1178 {
1179 #ifdef ENABLE_DBUS
1180         return G_OBJECT (application->keys);
1181 #else
1182         return NULL;
1183 #endif /* ENABLE_DBUS */
1184 }
1185
1186 void
1187 ev_application_set_filechooser_uri (EvApplication       *application,
1188                                     GtkFileChooserAction action,
1189                                     const gchar         *uri)
1190 {
1191         if (action == GTK_FILE_CHOOSER_ACTION_OPEN) {
1192                 g_free (application->filechooser_open_uri);
1193                 application->filechooser_open_uri = g_strdup (uri);
1194         } else if (action == GTK_FILE_CHOOSER_ACTION_SAVE) {
1195                 g_free (application->filechooser_save_uri);
1196                 application->filechooser_save_uri = g_strdup (uri);
1197         }
1198 }
1199
1200 const gchar *
1201 ev_application_get_filechooser_uri (EvApplication       *application,
1202                                     GtkFileChooserAction action)
1203 {
1204         if (action == GTK_FILE_CHOOSER_ACTION_OPEN) {
1205                 if (application->filechooser_open_uri)
1206                         return application->filechooser_open_uri;
1207         } else if (action == GTK_FILE_CHOOSER_ACTION_SAVE) {
1208                 if (application->filechooser_save_uri)
1209                         return application->filechooser_save_uri;
1210         }
1211
1212         return NULL;
1213 }
1214
1215 void
1216 ev_application_screensaver_enable (EvApplication *application)
1217 {
1218         totem_scrsaver_enable (application->scr_saver);
1219 }
1220
1221 void
1222 ev_application_screensaver_disable (EvApplication *application)
1223 {
1224         totem_scrsaver_disable (application->scr_saver);
1225 }
1226
1227 const gchar *
1228 ev_application_get_dot_dir (EvApplication *application,
1229                             gboolean create)
1230 {
1231         if (create)
1232                 g_mkdir_with_parents (application->dot_dir, 0700);
1233
1234         return application->dot_dir;
1235 }
1236
1237 const gchar *
1238 ev_application_get_data_dir (EvApplication   *application)
1239 {
1240         return application->data_dir;
1241 }