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         ev_application_shutdown (EV_APP);
 396 }
 397
 398 static void
 399 on_register_uri_cb (GObject      *source_object,
 400                     GAsyncResult *res,
 401                     gpointer      user_data)
 402 {
 403         GDBusConnection   *connection = G_DBUS_CONNECTION (source_object);
 404         EvRegisterDocData *data = (EvRegisterDocData *)user_data;
 405         EvApplication     *application = EV_APP;
 406         GVariant          *value;
 407         const gchar       *owner;
 408         GVariantBuilder    builder;
 409         GError            *error = NULL;
 410
 411         value = g_dbus_connection_call_finish (connection, res, &error);
 412         if (!value) {
 413                 g_warning ("Error registering document: %s\n", error->message);
 414                 g_error_free (error);
 415
 416                 _ev_application_open_uri_at_dest (application,
 417                                                   data->uri,
 418                                                   data->screen,
 419                                                   data->dest,
 420                                                   data->mode,
 421                                                   data->search_string,
 422                                                   data->timestamp);
 423                 ev_register_doc_data_free (data);
 424
 425                 return;
 426         }
 427
 428         g_variant_get (value, "(&s)", &owner);
 429
 430         /* This means that the document wasn't already registered; go
 431          * ahead with opening it.
 432          */
 433         if (owner[0] == '\0') {
 434                 g_variant_unref (value);
 435
 436                 application->doc_registered = TRUE;
 437
 438                 _ev_application_open_uri_at_dest (application,
 439                                                   data->uri,
 440                                                   data->screen,
 441                                                   data->dest,
 442                                                   data->mode,
 443                                                   data->search_string,
 444                                                   data->timestamp);
 445                 ev_register_doc_data_free (data);
 446
 447                 return;
 448         }
 449
 450         /* Already registered */
 451         g_variant_builder_init (&builder, G_VARIANT_TYPE ("(a{sv}u)"));
 452         g_variant_builder_open (&builder, G_VARIANT_TYPE ("a{sv}"));
 453         g_variant_builder_add (&builder, "{sv}",
 454                                "display",
 455                                g_variant_new_string (gdk_display_get_name (gdk_screen_get_display (data->screen))));
 456         g_variant_builder_add (&builder, "{sv}",
 457                                "screen",
 458                                g_variant_new_int32 (gdk_screen_get_number (data->screen)));
 459         if (data->dest) {
 460                 g_variant_builder_add (&builder, "{sv}",
 461                                        "page-label",
 462                                        g_variant_new_string (ev_link_dest_get_page_label (data->dest)));
 463         }
 464         if (data->search_string) {
 465                 g_variant_builder_add (&builder, "{sv}",
 466                                        "find-string",
 467                                        g_variant_new_string (data->search_string));
 468         }
 469         if (data->mode != EV_WINDOW_MODE_NORMAL) {
 470                 g_variant_builder_add (&builder, "{sv}",
 471                                        "mode",
 472                                        g_variant_new_uint32 (data->mode));
 473         }
 474         g_variant_builder_close (&builder);
 475
 476         g_variant_builder_add (&builder, "u", data->timestamp);
 477
 478         g_dbus_connection_call (connection,
 479                                 owner,
 480                                 APPLICATION_DBUS_OBJECT_PATH,
 481                                 APPLICATION_DBUS_INTERFACE,
 482                                 "Reload",
 483                                 g_variant_builder_end (&builder),
 484                                 NULL,
 485                                 G_DBUS_CALL_FLAGS_NONE,
 486                                 -1,
 487                                 NULL,
 488                                 on_reload_cb,
 489                                 NULL);
 490         g_variant_unref (value);
 491         ev_register_doc_data_free (data);
 492 }
 493
 494 /*
 495  * ev_application_register_uri:
 496  * @application:
 497  * @uri:
 498  * @screen:
 499  * @dest:
 500  * @mode:
 501  * @search_string:
 502  * @timestamp:
 503  *
 504  * Registers @uri with evince-daemon.
 505  *
 506  */
 507 static void
 508 ev_application_register_uri (EvApplication  *application,
 509                              const gchar    *uri,
 510                              GdkScreen      *screen,
 511                              EvLinkDest     *dest,
 512                              EvWindowRunMode mode,
 513                              const gchar    *search_string,
 514                              guint           timestamp)
 515 {
 516         EvRegisterDocData *data;
 517
 518         if (!application->connection)
 519                 return;
 520
 521         if (application->doc_registered) {
 522                 /* Already registered, reload */
 523                 GList *windows, *l;
 524
 525                 windows = ev_application_get_windows (application);
 526                 for (l = windows; l != NULL; l = g_list_next (l)) {
 527                         EvWindow *ev_window = EV_WINDOW (l->data);
 528
 529                         ev_application_open_uri_in_window (application, uri, ev_window,
 530                                                            screen, dest, mode,
 531                                                            search_string,
 532                                                            timestamp);
 533                 }
 534                 g_list_free (windows);
 535
 536                 return;
 537         }
 538
 539         data = g_new (EvRegisterDocData, 1);
 540         data->uri = g_strdup (uri);
 541         data->screen = screen;
 542         data->dest = dest ? g_object_ref (dest) : NULL;
 543         data->mode = mode;
 544         data->search_string = search_string ? g_strdup (search_string) : NULL;
 545         data->timestamp = timestamp;
 546
 547         g_dbus_connection_call (application->connection,
 548                                 EVINCE_DAEMON_SERVICE,
 549                                 EVINCE_DAEMON_OBJECT_PATH,
 550                                 EVINCE_DAEMON_INTERFACE,
 551                                 "RegisterDocument",
 552                                 g_variant_new ("(s)", uri),
 553                                 G_VARIANT_TYPE ("(s)"),
 554                                 G_DBUS_CALL_FLAGS_NONE,
 555                                 -1,
 556                                 NULL,
 557                                 on_register_uri_cb,
 558                                 data);
 559 }
 560
 561 static void
 562 ev_application_unregister_uri (EvApplication *application,
 563                                const gchar   *uri)
 564 {
 565         GVariant *value;
 566         GError   *error = NULL;
 567
 568         if (!application->doc_registered)
 569                 return;
 570
 571         /* This is called from ev_application_shutdown(),
 572          * so it's safe to use the sync api
 573          */
 574         value = g_dbus_connection_call_sync (
 575                 application->connection,
 576                 EVINCE_DAEMON_SERVICE,
 577                 EVINCE_DAEMON_OBJECT_PATH,
 578                 EVINCE_DAEMON_INTERFACE,
 579                 "UnregisterDocument",
 580                 g_variant_new ("(s)", uri),
 581                 NULL,
 582                 G_DBUS_CALL_FLAGS_NO_AUTO_START,
 583                 -1,
 584                 NULL,
 585                 &error);
 586         if (value == NULL) {
 587                 g_warning ("Error unregistering document: %s\n", error->message);
 588                 g_error_free (error);
 589         } else {
 590                 g_variant_unref (value);
 591         }
 592 }
 593 #endif /* ENABLE_DBUS */
 594
 595 static void
 596 ev_application_open_uri_in_window (EvApplication  *application,
 597                                    const char     *uri,
 598                                    EvWindow       *ev_window,
 599                                    GdkScreen      *screen,
 600                                    EvLinkDest     *dest,
 601                                    EvWindowRunMode mode,
 602                                    const gchar    *search_string,
 603                                    guint           timestamp)
 604 {
 605 #ifdef GDK_WINDOWING_X11
 606         GdkWindow *gdk_window;
 607 #endif
 608
 609         if (screen) {
 610                 ev_stock_icons_set_screen (screen);
 611                 gtk_window_set_screen (GTK_WINDOW (ev_window), screen);
 612         }
 613
 614         /* We need to load uri before showing the window, so
 615            we can restore window size without flickering */
 616         ev_window_open_uri (ev_window, uri, dest, mode, search_string);
 617
 618         if (!gtk_widget_get_realized (GTK_WIDGET (ev_window)))
 619                 gtk_widget_realize (GTK_WIDGET (ev_window));
 620
 621 #ifdef GDK_WINDOWING_X11
 622         gdk_window = gtk_widget_get_window (GTK_WIDGET (ev_window));
 623
 624         if (timestamp <= 0)
 625                 timestamp = gdk_x11_get_server_time (gdk_window);
 626         gdk_x11_window_set_user_time (gdk_window, timestamp);
 627
 628         gtk_window_present (GTK_WINDOW (ev_window));
 629 #else
 630         gtk_window_present_with_time (GTK_WINDOW (ev_window), timestamp);
 631 #endif /* GDK_WINDOWING_X11 */
 632 }
 633
 634 static void
 635 _ev_application_open_uri_at_dest (EvApplication  *application,
 636                                   const gchar    *uri,
 637                                   GdkScreen      *screen,
 638                                   EvLinkDest     *dest,
 639                                   EvWindowRunMode mode,
 640                                   const gchar    *search_string,
 641                                   guint           timestamp)
 642 {
 643         EvWindow *ev_window;
 644
 645         ev_window = ev_application_get_empty_window (application, screen);
 646         if (!ev_window)
 647                 ev_window = EV_WINDOW (ev_window_new ());
 648
 649         ev_application_open_uri_in_window (application, uri, ev_window,
 650                                            screen, dest, mode,
 651                                            search_string,
 652                                            timestamp);
 653 }
 654
 655 /**
 656  * ev_application_open_uri_at_dest:
 657  * @application: The instance of the application.
 658  * @uri: The uri to be opened.
 659  * @screen: Thee screen where the link will be shown.
 660  * @dest: The #EvLinkDest of the document.
 661  * @mode: The run mode of the window.
 662  * @timestamp: Current time value.
 663  */
 664 void
 665 ev_application_open_uri_at_dest (EvApplication  *application,
 666                                  const char     *uri,
 667                                  GdkScreen      *screen,
 668                                  EvLinkDest     *dest,
 669                                  EvWindowRunMode mode,
 670                                  const gchar    *search_string,
 671                                  guint           timestamp)
 672 {
 673         g_return_if_fail (uri != NULL);
 674
 675         if (application->uri && strcmp (application->uri, uri) != 0) {
 676                 /* spawn a new evince process */
 677                 ev_spawn (uri, screen, dest, mode, search_string, timestamp);
 678                 return;
 679         } else if (!application->uri) {
 680                 application->uri = g_strdup (uri);
 681         }
 682
 683 #ifdef ENABLE_DBUS
 684         /* Register the uri or send Reload to
 685          * remote instance if already registered
 686          */
 687         ev_application_register_uri (application, uri, screen, dest, mode, search_string, timestamp);
 688 #else
 689         _ev_application_open_uri_at_dest (application, uri, screen, dest, mode, search_string, timestamp);
 690 #endif /* ENABLE_DBUS */
 691 }
 692
 693 /**
 694  * ev_application_open_window:
 695  * @application: The instance of the application.
 696  * @timestamp: Current time value.
 697  *
 698  * Creates a new window
 699  */
 700 void
 701 ev_application_open_window (EvApplication *application,
 702                             GdkScreen     *screen,
 703                             guint32        timestamp)
 704 {
 705         GtkWidget *new_window = ev_window_new ();
 706 #ifdef GDK_WINDOWING_X11
 707         GdkWindow *gdk_window;
 708 #endif
 709
 710         if (screen) {
 711                 ev_stock_icons_set_screen (screen);
 712                 gtk_window_set_screen (GTK_WINDOW (new_window), screen);
 713         }
 714
 715         if (!gtk_widget_get_realized (new_window))
 716                 gtk_widget_realize (new_window);
 717
 718 #ifdef GDK_WINDOWING_X11
 719         gdk_window = gtk_widget_get_window (GTK_WIDGET (new_window));
 720
 721         if (timestamp <= 0)
 722                 timestamp = gdk_x11_get_server_time (gdk_window);
 723         gdk_x11_window_set_user_time (gdk_window, timestamp);
 724
 725         gtk_window_present (GTK_WINDOW (new_window));
 726 #else
 727         gtk_window_present_with_time (GTK_WINDOW (new_window), timestamp);
 728 #endif /* GDK_WINDOWING_X11 */
 729 }
 730
 731 #ifdef ENABLE_DBUS
 732 static void
 733 method_call_cb (GDBusConnection       *connection,
 734                 const gchar           *sender,
 735                 const gchar           *object_path,
 736                 const gchar           *interface_name,
 737                 const gchar           *method_name,
 738                 GVariant              *parameters,
 739                 GDBusMethodInvocation *invocation,
 740                 gpointer               user_data)
 741 {
 742         EvApplication   *application = EV_APPLICATION (user_data);
 743         GList           *windows, *l;
 744         guint            timestamp;
 745         GVariantIter    *iter;
 746         const gchar     *key;
 747         GVariant        *value;
 748         GdkDisplay      *display = NULL;
 749         int              screen_number = 0;
 750         EvLinkDest      *dest = NULL;
 751         EvWindowRunMode  mode = EV_WINDOW_MODE_NORMAL;
 752         const gchar     *search_string = NULL;
 753         GdkScreen       *screen = NULL;
 754
 755         if (g_strcmp0 (method_name, "Reload") == 0) {
 756                 g_variant_get (parameters, "(a{sv}u)", &iter, &timestamp);
 757
 758                 while (g_variant_iter_loop (iter, "{&sv}", &key, &value)) {
 759                         if (strcmp (key, "display") == 0 && g_variant_classify (value) == G_VARIANT_CLASS_STRING) {
 760                                 display = ev_display_open_if_needed (g_variant_get_string (value, NULL));
 761                         } else if (strcmp (key, "screen") == 0 && g_variant_classify (value) == G_VARIANT_CLASS_STRING) {
 762                                 screen_number = g_variant_get_int32 (value);
 763                         } else if (strcmp (key, "mode") == 0 && g_variant_classify (value) == G_VARIANT_CLASS_UINT32) {
 764                         mode = g_variant_get_uint32 (value);
 765                         } else if (strcmp (key, "page-label") == 0 && g_variant_classify (value) == G_VARIANT_CLASS_STRING) {
 766                                 dest = ev_link_dest_new_page_label (g_variant_get_string (value, NULL));
 767                         } else if (strcmp (key, "find-string") == 0 && g_variant_classify (value) == G_VARIANT_CLASS_STRING) {
 768                                 search_string = g_variant_get_string (value, NULL);
 769                         }
 770                 }
 771                 g_variant_iter_free (iter);
 772
 773                 if (display != NULL &&
 774                     screen_number >= 0 &&
 775                     screen_number < gdk_display_get_n_screens (display))
 776                         screen = gdk_display_get_screen (display, screen_number);
 777                 else
 778                         screen = gdk_screen_get_default ();
 779
 780                 windows = ev_application_get_windows (application);
 781                 for (l = windows; l != NULL; l = g_list_next (l)) {
 782                         EvWindow *ev_window = EV_WINDOW (l->data);
 783
 784                         ev_application_open_uri_in_window (application, application->uri,
 785                                                            ev_window,
 786                                                            screen, dest, mode,
 787                                                            search_string,
 788                                                            timestamp);
 789                 }
 790                 g_list_free (windows);
 791
 792                 if (dest)
 793                         g_object_unref (dest);
 794
 795                 g_dbus_method_invocation_return_value (invocation, g_variant_new ("()"));
 796         } else if (g_strcmp0 (method_name, "GetWindowList") == 0) {
 797                 GList          *windows = ev_application_get_windows (application);
 798                 GVariantBuilder builder;
 799                 GList          *l;
 800
 801                 g_variant_builder_init (&builder, G_VARIANT_TYPE ("(ao)"));
 802                 g_variant_builder_open (&builder, G_VARIANT_TYPE ("ao"));
 803
 804                 for (l = windows; l; l = g_list_next (l)) {
 805                         EvWindow *window = (EvWindow *)l->data;
 806
 807                         g_variant_builder_add (&builder, "o", ev_window_get_dbus_object_path (window));
 808                 }
 809
 810                 g_variant_builder_close (&builder);
 811                 g_list_free (windows);
 812
 813                 g_dbus_method_invocation_return_value (invocation, g_variant_builder_end (&builder));
 814         }
 815 }
 816
 817 static const char introspection_xml[] =
 818         "<node>"
 819           "<interface name='org.gnome.evince.Application'>"
 820             "<method name='Reload'>"
 821               "<arg type='a{sv}' name='args' direction='in'/>"
 822               "<arg type='u' name='timestamp' direction='in'/>"
 823             "</method>"
 824             "<method name='GetWindowList'>"
 825               "<arg type='ao' name='window_list' direction='out'/>"
 826             "</method>"
 827           "</interface>"
 828         "</node>";
 829
 830 static const GDBusInterfaceVTable interface_vtable = {
 831         method_call_cb,
 832         NULL,
 833         NULL
 834 };
 835
 836 static GDBusNodeInfo *introspection_data;
 837 #endif /* ENABLE_DBUS */
 838
 839 void
 840 ev_application_open_uri_list (EvApplication *application,
 841                               GSList        *uri_list,
 842                               GdkScreen     *screen,
 843                               guint          timestamp)
 844 {
 845         GSList *l;
 846
 847         for (l = uri_list; l != NULL; l = l->next) {
 848                 ev_application_open_uri_at_dest (application, (char *)l->data,
 849                                                  screen, NULL, 0, NULL,
 850                                                  timestamp);
 851         }
 852 }
 853
 854 static void
 855 ev_application_accel_map_save (EvApplication *application)
 856 {
 857         gchar *accel_map_file;
 858         gchar *tmp_filename;
 859         gint   fd;
 860
 861         accel_map_file = g_build_filename (application->dot_dir, "accels", NULL);
 862         tmp_filename = g_strdup_printf ("%s.XXXXXX", accel_map_file);
 863
 864         fd = g_mkstemp (tmp_filename);
 865         if (fd == -1) {
 866                 g_free (accel_map_file);
 867                 g_free (tmp_filename);
 868
 869                 return;
 870         }
 871         gtk_accel_map_save_fd (fd);
 872         close (fd);
 873
 874         g_mkdir_with_parents (application->dot_dir, 0700);
 875         if (g_rename (tmp_filename, accel_map_file) == -1) {
 876                 /* FIXME: win32? */
 877                 g_unlink (tmp_filename);
 878         }
 879
 880         g_free (accel_map_file);
 881         g_free (tmp_filename);
 882 }
 883
 884 static void
 885 ev_application_accel_map_load (EvApplication *application)
 886 {
 887         gchar *accel_map_file;
 888
 889         accel_map_file = g_build_filename (application->dot_dir, "accels", NULL);
 890         gtk_accel_map_load (accel_map_file);
 891         g_free (accel_map_file);
 892 }
 893
 894 static void
 895 ev_application_migrate_config_dir (EvApplication *application)
 896 {
 897         const gchar        *userdir;
 898         gchar              *old_dot_dir;
 899         gchar              *old_accels;
 900         GError             *error;
 901         gint                i;
 902         gboolean            dir_created = FALSE;
 903         static const gchar *config_files[] = {
 904                 "evince_toolbar.xml",
 905                 "print-settings",
 906                 NULL
 907         };
 908
 909         userdir = g_getenv ("GNOME22_USER_DIR");
 910         if (userdir) {
 911                 old_dot_dir = g_build_filename (userdir, "evince", NULL);
 912                 old_accels = g_build_filename (userdir, "accels", "evince", NULL);
 913         } else {
 914                 old_dot_dir = g_build_filename (g_get_home_dir (),
 915                                                 ".gnome2",
 916                                                 "evince",
 917                                                 NULL);
 918                 old_accels = g_build_filename (g_get_home_dir (),
 919                                                ".gnome2", "accels",
 920                                                "evince", NULL);
 921         }
 922
 923         if (g_file_test (old_dot_dir, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)) {
 924                 for (i = 0; config_files[i]; i++) {
 925                         gchar   *old_filename;
 926                         gchar   *new_filename;
 927                         GFile   *old_file;
 928                         GFile   *new_file;
 929
 930                         old_filename = g_build_filename (old_dot_dir, config_files[i], NULL);
 931                         if (!g_file_test (old_filename, G_FILE_TEST_EXISTS)) {
 932                                 g_free (old_filename);
 933                                 continue;
 934                         }
 935
 936                         if (!dir_created) {
 937                                 g_mkdir_with_parents (application->dot_dir, 0700);
 938                                 dir_created = TRUE;
 939                         }
 940
 941                         new_filename = g_build_filename (application->dot_dir, config_files[i], NULL);
 942                         old_file = g_file_new_for_path (old_filename);
 943                         new_file = g_file_new_for_path (new_filename);
 944
 945                         error = NULL;
 946                         g_file_move (old_file, new_file, 0, NULL, NULL, NULL, &error);
 947                         if (error) {
 948                                 g_warning ("Error migrating config file %s: %s\n",
 949                                            old_filename, error->message);
 950                                 g_error_free (error);
 951                         }
 952
 953                         g_free (old_filename);
 954                         g_free (new_filename);
 955                         g_object_unref (old_file);
 956                         g_object_unref (new_file);
 957                 }
 958         }
 959
 960         g_free (old_dot_dir);
 961
 962         if (g_file_test (old_accels, G_FILE_TEST_EXISTS)) {
 963                 gchar *new_accels;
 964                 GFile *old_accels_file;
 965                 GFile *new_accels_file;
 966
 967                 if (!dir_created)
 968                         g_mkdir_with_parents (application->dot_dir, 0700);
 969
 970                 new_accels = g_build_filename (application->dot_dir, "accels", NULL);
 971                 old_accels_file = g_file_new_for_path (old_accels);
 972                 new_accels_file = g_file_new_for_path (new_accels);
 973
 974                 error = NULL;
 975                 g_file_move (old_accels_file, new_accels_file, 0, NULL, NULL, NULL, &error);
 976                 if (error) {
 977                         g_warning ("Error migrating accelerator specifications file %s: %s\n",
 978                                    old_accels, error->message);
 979                         g_error_free (error);
 980                 }
 981
 982                 g_free (new_accels);
 983                 g_object_unref (old_accels_file);
 984                 g_object_unref (new_accels_file);
 985         }
 986
 987         g_free (old_accels);
 988 }
 989
 990 void
 991 ev_application_shutdown (EvApplication *application)
 992 {
 993         if (application->uri) {
 994 #ifdef ENABLE_DBUS
 995                 ev_application_unregister_uri (application,
 996                                                application->uri);
 997 #endif
 998                 g_free (application->uri);
 999                 application->uri = NULL;
1000         }
1001
1002         ev_application_accel_map_save (application);
1003
1004         g_object_unref (application->scr_saver);
1005         application->scr_saver = NULL;
1006
1007 #ifdef ENABLE_DBUS
1008         if (application->keys) {
1009                 g_object_unref (application->keys);
1010                 application->keys = NULL;
1011         }
1012         if (application->registration_id != 0) {
1013                 g_dbus_connection_unregister_object (application->connection,
1014                                                      application->registration_id);
1015                 application->registration_id = 0;
1016         }
1017         if (application->connection != NULL) {
1018                 g_object_unref (application->connection);
1019                 application->connection = NULL;
1020         }
1021         if (introspection_data) {
1022                 g_dbus_node_info_ref (introspection_data);
1023                 introspection_data = NULL;
1024         }
1025 #endif /* ENABLE_DBUS */
1026
1027         g_free (application->dot_dir);
1028         application->dot_dir = NULL;
1029         g_free (application->data_dir);
1030         application->data_dir = NULL;
1031         g_free (application->filechooser_open_uri);
1032         application->filechooser_open_uri = NULL;
1033         g_free (application->filechooser_save_uri);
1034         application->filechooser_save_uri = NULL;
1035
1036         g_object_unref (application);
1037         instance = NULL;
1038
1039         gtk_main_quit ();
1040 }
1041
1042 static void
1043 ev_application_class_init (EvApplicationClass *ev_application_class)
1044 {
1045 }
1046
1047 static void
1048 ev_application_init (EvApplication *ev_application)
1049 {
1050         GError *error = NULL;
1051
1052         ev_application->dot_dir = g_build_filename (g_get_user_config_dir (),
1053                                                     "evince", NULL);
1054         if (!g_file_test (ev_application->dot_dir, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))
1055                 ev_application_migrate_config_dir (ev_application);
1056
1057 #ifdef G_OS_WIN32
1058 {
1059         gchar *dir;
1060
1061         dir = g_win32_get_package_installation_directory_of_module (NULL);
1062         ev_application->data_dir = g_build_filename (dir, "share", "evince", NULL);
1063         g_free (dir);
1064 }
1065 #else
1066         ev_application->data_dir = g_strdup (EVINCEDATADIR);
1067 #endif
1068
1069         ev_application_init_session (ev_application);
1070
1071         ev_application_accel_map_load (ev_application);
1072
1073 #ifdef ENABLE_DBUS
1074         ev_application->connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
1075         if (ev_application->connection != NULL) {
1076                 introspection_data = g_dbus_node_info_new_for_xml (introspection_xml, NULL);
1077                 g_assert (introspection_data != NULL);
1078
1079                 ev_application->registration_id =
1080                     g_dbus_connection_register_object (ev_application->connection,
1081                                                        APPLICATION_DBUS_OBJECT_PATH,
1082                                                        introspection_data->interfaces[0],
1083                                                        &interface_vtable,
1084                                                        ev_application, NULL,
1085                                                        &error);
1086                 if (ev_application->registration_id == 0) {
1087                         g_printerr ("Failed to register bus object: %s\n", error->message);
1088                         g_error_free (error);
1089                 }
1090         } else {
1091                 g_printerr ("Failed to get bus connection: %s\n", error->message);
1092                 g_error_free (error);
1093         }
1094
1095         ev_application->keys = ev_media_player_keys_new ();
1096 #endif /* ENABLE_DBUS */
1097
1098         ev_application->scr_saver = totem_scrsaver_new ();
1099         g_object_set (ev_application->scr_saver,
1100                       "reason", _("Running in presentation mode"),
1101                       NULL);
1102 }
1103
1104 GDBusConnection *
1105 ev_application_get_dbus_connection (EvApplication *application)
1106 {
1107 #ifdef ENABLE_DBUS
1108         return application->connection;
1109 #else
1110         return NULL;
1111 #endif
1112 }
1113
1114 gboolean
1115 ev_application_has_window (EvApplication *application)
1116 {
1117         GList    *l, *toplevels;
1118         gboolean  retval = FALSE;
1119
1120         toplevels = gtk_window_list_toplevels ();
1121
1122         for (l = toplevels; l != NULL && !retval; l = l->next) {
1123                 if (EV_IS_WINDOW (l->data))
1124                         retval = TRUE;
1125         }
1126
1127         g_list_free (toplevels);
1128
1129         return retval;
1130 }
1131
1132 guint
1133 ev_application_get_n_windows (EvApplication *application)
1134 {
1135         GList *l, *toplevels;
1136         guint  retval = 0;
1137
1138         toplevels = gtk_window_list_toplevels ();
1139
1140         for (l = toplevels; l != NULL; l = l->next) {
1141                 if (EV_IS_WINDOW (l->data))
1142                         retval++;
1143         }
1144
1145         g_list_free (toplevels);
1146
1147         return retval;
1148 }
1149
1150 const gchar *
1151 ev_application_get_uri (EvApplication *application)
1152 {
1153         return application->uri;
1154 }
1155
1156 /**
1157  * ev_application_get_media_keys:
1158  * @application: The instance of the application.
1159  *
1160  * It gives you access to the media player keys handler object.
1161  *
1162  * Returns: A #EvMediaPlayerKeys.
1163  */
1164 GObject *
1165 ev_application_get_media_keys (EvApplication *application)
1166 {
1167 #ifdef ENABLE_DBUS
1168         return G_OBJECT (application->keys);
1169 #else
1170         return NULL;
1171 #endif /* ENABLE_DBUS */
1172 }
1173
1174 void
1175 ev_application_set_filechooser_uri (EvApplication       *application,
1176                                     GtkFileChooserAction action,
1177                                     const gchar         *uri)
1178 {
1179         if (action == GTK_FILE_CHOOSER_ACTION_OPEN) {
1180                 g_free (application->filechooser_open_uri);
1181                 application->filechooser_open_uri = g_strdup (uri);
1182         } else if (action == GTK_FILE_CHOOSER_ACTION_SAVE) {
1183                 g_free (application->filechooser_save_uri);
1184                 application->filechooser_save_uri = g_strdup (uri);
1185         }
1186 }
1187
1188 const gchar *
1189 ev_application_get_filechooser_uri (EvApplication       *application,
1190                                     GtkFileChooserAction action)
1191 {
1192         if (action == GTK_FILE_CHOOSER_ACTION_OPEN) {
1193                 if (application->filechooser_open_uri)
1194                         return application->filechooser_open_uri;
1195         } else if (action == GTK_FILE_CHOOSER_ACTION_SAVE) {
1196                 if (application->filechooser_save_uri)
1197                         return application->filechooser_save_uri;
1198         }
1199
1200         return NULL;
1201 }
1202
1203 void
1204 ev_application_screensaver_enable (EvApplication *application)
1205 {
1206         totem_scrsaver_enable (application->scr_saver);
1207 }
1208
1209 void
1210 ev_application_screensaver_disable (EvApplication *application)
1211 {
1212         totem_scrsaver_disable (application->scr_saver);
1213 }
1214
1215 const gchar *
1216 ev_application_get_dot_dir (EvApplication *application,
1217                             gboolean create)
1218 {
1219         if (create)
1220                 g_mkdir_with_parents (application->dot_dir, 0700);
1221
1222         return application->dot_dir;
1223 }
1224
1225 const gchar *
1226 ev_application_get_data_dir (EvApplication   *application)
1227 {
1228         return application->data_dir;
1229 }