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