/* this file is part of evince, a gnome document viewer * * Copyright (C) 2004 Martin Kretzschmar * * Author: * Martin Kretzschmar * * Evince is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * Evince is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. */ #include #include #include #include #include #include #include #ifdef GDK_WINDOWING_X11 #include #endif #include #include "totem-scrsaver.h" #ifdef WITH_SMCLIENT #include "eggsmclient.h" #endif #include "ev-application.h" #include "ev-file-helpers.h" #include "ev-stock-icons.h" #ifdef ENABLE_DBUS #include "ev-media-player-keys.h" #endif /* ENABLE_DBUS */ #ifdef ENABLE_DBUS #include static gboolean ev_application_open_uri (EvApplication *application, const char *uri, GHashTable *args, guint timestamp, GError **error); #include "ev-application-service.h" #endif struct _EvApplication { GObject base_instance; gchar *uri; gchar *dot_dir; gchar *data_dir; #ifdef ENABLE_DBUS DBusGConnection *connection; EvMediaPlayerKeys *keys; #endif TotemScrsaver *scr_saver; #ifdef WITH_SMCLIENT EggSMClient *smclient; #endif gchar *filechooser_open_uri; gchar *filechooser_save_uri; }; struct _EvApplicationClass { GObjectClass base_class; }; static EvApplication *instance; G_DEFINE_TYPE (EvApplication, ev_application, G_TYPE_OBJECT); #ifdef ENABLE_DBUS #define APPLICATION_DBUS_OBJECT_PATH "/org/gnome/evince/Evince" #define APPLICATION_DBUS_INTERFACE "org.gnome.evince.Application" #endif /** * ev_application_get_instance: * * Checks for #EvApplication instance, if it doesn't exist it does create it. * * Returns: an instance of the #EvApplication data. */ EvApplication * ev_application_get_instance (void) { if (!instance) { instance = EV_APPLICATION (g_object_new (EV_TYPE_APPLICATION, NULL)); } return instance; } /* Session */ gboolean ev_application_load_session (EvApplication *application) { GKeyFile *state_file; gchar *uri; #ifdef WITH_SMCLIENT if (egg_sm_client_is_resumed (application->smclient)) { state_file = egg_sm_client_get_state_file (application->smclient); if (!state_file) return FALSE; } else #endif /* WITH_SMCLIENT */ return FALSE; uri = g_key_file_get_string (state_file, "Evince", "uri", NULL); if (!uri) return FALSE; ev_application_open_uri_at_dest (application, uri, gdk_screen_get_default (), NULL, 0, NULL, GDK_CURRENT_TIME); g_free (uri); g_key_file_free (state_file); return TRUE; } #ifdef WITH_SMCLIENT static void smclient_save_state_cb (EggSMClient *client, GKeyFile *state_file, EvApplication *application) { if (!application->uri) return; g_key_file_set_string (state_file, "Evince", "uri", application->uri); } static void smclient_quit_cb (EggSMClient *client, EvApplication *application) { ev_application_shutdown (application); } #endif /* WITH_SMCLIENT */ static void ev_application_init_session (EvApplication *application) { #ifdef WITH_SMCLIENT application->smclient = egg_sm_client_get (); g_signal_connect (application->smclient, "save_state", G_CALLBACK (smclient_save_state_cb), application); g_signal_connect (application->smclient, "quit", G_CALLBACK (smclient_quit_cb), application); #endif } /** * ev_display_open_if_needed: * @name: the name of the display to be open if it's needed. * * Search among all the open displays if any of them have the same name as the * passed name. If the display isn't found it tries the open it. * * Returns: a #GdkDisplay of the display with the passed name. */ static GdkDisplay * ev_display_open_if_needed (const gchar *name) { GSList *displays; GSList *l; GdkDisplay *display = NULL; displays = gdk_display_manager_list_displays (gdk_display_manager_get ()); for (l = displays; l != NULL; l = l->next) { const gchar *display_name = gdk_display_get_name ((GdkDisplay *) l->data); if (g_ascii_strcasecmp (display_name, name) == 0) { display = l->data; break; } } g_slist_free (displays); return display != NULL ? display : gdk_display_open (name); } /** * get_screen_from_args: * @args: a #GHashTable with data passed to the application. * * Looks for the screen in the display available in the hash table passed to the * application. If the display isn't opened, it's opened and the #GdkScreen * assigned to the screen in that display returned. * * Returns: the #GdkScreen assigned to the screen on the display indicated by * the data on the #GHashTable. */ static GdkScreen * get_screen_from_args (GHashTable *args) { GValue *value = NULL; GdkDisplay *display = NULL; GdkScreen *screen = NULL; g_assert (args != NULL); value = g_hash_table_lookup (args, "display"); if (value) { const gchar *display_name; display_name = g_value_get_string (value); display = ev_display_open_if_needed (display_name); } value = g_hash_table_lookup (args, "screen"); if (value) { gint screen_number; screen_number = g_value_get_int (value); screen = gdk_display_get_screen (display, screen_number); } return screen; } /** * get_window_run_mode_from_args: * @args: a #GHashTable with data passed to the application. * * It does look if the mode option has been passed from command line, using it * as the window run mode, otherwise the run mode will be the normal mode. * * Returns: The window run mode passed from command line or * EV_WINDOW_MODE_NORMAL in other case. */ static EvWindowRunMode get_window_run_mode_from_args (GHashTable *args) { EvWindowRunMode mode = EV_WINDOW_MODE_NORMAL; GValue *value = NULL; g_assert (args != NULL); value = g_hash_table_lookup (args, "mode"); if (value) { mode = g_value_get_uint (value); } return mode; } /** * get_destination_from_args: * @args: a #GHashTable with data passed to the application. * * It does look for the page-label argument parsed from the command line and * if it does exist, it returns an #EvLinkDest. * * Returns: An #EvLinkDest to page-label if it has been passed from the command * line, NULL in other case. */ static EvLinkDest * get_destination_from_args (GHashTable *args) { EvLinkDest *dest = NULL; GValue *value = NULL; g_assert (args != NULL); value = g_hash_table_lookup (args, "page-label"); if (value) { const gchar *page_label; page_label = g_value_get_string (value); dest = ev_link_dest_new_page_label (page_label); } return dest; } static const gchar * get_find_string_from_args (GHashTable *args) { GValue *value = NULL; g_assert (args != NULL); value = g_hash_table_lookup (args, "find-string"); return value ? g_value_get_string (value) : NULL; } static void value_free (GValue *value) { g_value_unset (value); g_free (value); } static GHashTable * build_args (GdkScreen *screen, EvLinkDest *dest, EvWindowRunMode mode, const gchar *search_string) { GHashTable *args; GValue *value; GdkDisplay *display; const gchar *display_name; gint screen_number; args = g_hash_table_new_full (g_str_hash, g_str_equal, (GDestroyNotify)g_free, (GDestroyNotify)value_free); /* Display */ display = gdk_screen_get_display (screen); display_name = gdk_display_get_name (display); value = g_new0 (GValue, 1); g_value_init (value, G_TYPE_STRING); g_value_set_string (value, display_name); g_hash_table_insert (args, g_strdup ("display"), value); /* Screen */ screen_number = gdk_screen_get_number (screen); value = g_new0 (GValue, 1); g_value_init (value, G_TYPE_INT); g_value_set_int (value, screen_number); g_hash_table_insert (args, g_strdup ("screen"), value); /* Page label */ if (dest) { value = g_new0 (GValue, 1); g_value_init (value, G_TYPE_STRING); g_value_set_string (value, ev_link_dest_get_page_label (dest)); g_hash_table_insert (args, g_strdup ("page-label"), value); } /* Find string */ if (search_string) { value = g_new0 (GValue, 1); g_value_init (value, G_TYPE_STRING); g_value_set_string (value, search_string); g_hash_table_insert (args, g_strdup ("find-string"), value); } /* Mode */ if (mode != EV_WINDOW_MODE_NORMAL) { value = g_new0 (GValue, 1); g_value_init (value, G_TYPE_UINT); g_value_set_uint (value, mode); g_hash_table_insert (args, g_strdup ("mode"), value); } return args; } static void child_setup (gpointer user_data) { gchar *startup_id; startup_id = g_strdup_printf ("_TIME%lu", (unsigned long)GPOINTER_TO_INT (user_data)); g_setenv ("DESKTOP_STARTUP_ID", startup_id, TRUE); g_free (startup_id); } static void ev_spawn (const char *uri, GdkScreen *screen, EvLinkDest *dest, EvWindowRunMode mode, const gchar *search_string, guint timestamp) { gchar *argv[6]; guint arg = 0; gint i; gboolean res; GError *error = NULL; argv[arg++] = g_build_filename (BINDIR, "evince", NULL); /* Page label */ if (dest) { const gchar *page_label; page_label = ev_link_dest_get_page_label (dest); if (page_label) argv[arg++] = g_strdup_printf ("--page-label=%s", page_label); else argv[arg++] = g_strdup_printf ("--page-label=%d", ev_link_dest_get_page (dest)); } /* Find string */ if (search_string) { argv[arg++] = g_strdup_printf ("--find=%s", search_string); } /* Mode */ switch (mode) { case EV_WINDOW_MODE_FULLSCREEN: argv[arg++] = g_strdup ("-f"); break; case EV_WINDOW_MODE_PRESENTATION: argv[arg++] = g_strdup ("-s"); break; default: break; } argv[arg++] = (gchar *)uri; argv[arg] = NULL; res = gdk_spawn_on_screen (screen, NULL /* wd */, argv, NULL /* env */, 0, child_setup, GINT_TO_POINTER(timestamp), NULL, &error); if (!res) { g_warning ("Error launching evince %s: %s\n", uri, error->message); g_error_free (error); } for (i = 0; i < arg - 1; i++) { g_free (argv[i]); } } static GList * ev_application_get_windows (EvApplication *application) { GList *l, *toplevels; GList *windows = NULL; toplevels = gtk_window_list_toplevels (); for (l = toplevels; l != NULL; l = l->next) { if (EV_IS_WINDOW (l->data)) { windows = g_list_append (windows, l->data); } } g_list_free (toplevels); return windows; } static EvWindow * ev_application_get_empty_window (EvApplication *application, GdkScreen *screen) { EvWindow *empty_window = NULL; GList *windows = ev_application_get_windows (application); GList *l; for (l = windows; l != NULL; l = l->next) { EvWindow *window = EV_WINDOW (l->data); if (ev_window_is_empty (window) && gtk_window_get_screen (GTK_WINDOW (window)) == screen) { empty_window = window; break; } } g_list_free (windows); return empty_window; } #ifdef ENABLE_DBUS static gboolean ev_application_register_uri (EvApplication *application, const gchar *uri, GHashTable *args, guint timestamp) { DBusGProxy *proxy; gchar *owner; gboolean retval = TRUE; GError *error = NULL; if (!application->connection) return TRUE; proxy = dbus_g_proxy_new_for_name (application->connection, "org.gnome.evince.Daemon", "/org/gnome/evince/Daemon", "org.gnome.evince.Daemon"); if (!dbus_g_proxy_call (proxy, "RegisterDocument", &error, G_TYPE_STRING, uri, G_TYPE_INVALID, G_TYPE_STRING, &owner, G_TYPE_INVALID)) { g_warning ("Error registering document: %s\n", error->message); g_error_free (error); g_object_unref (proxy); return TRUE; } g_object_unref (proxy); if (*owner == ':') { /* Already registered */ proxy = dbus_g_proxy_new_for_name_owner (application->connection, owner, APPLICATION_DBUS_OBJECT_PATH, APPLICATION_DBUS_INTERFACE, &error); if (proxy) { if (!dbus_g_proxy_call (proxy, "OpenURI", &error, G_TYPE_STRING, uri, dbus_g_type_get_map ("GHashTable", G_TYPE_STRING, G_TYPE_VALUE), args, G_TYPE_UINT, timestamp, G_TYPE_INVALID, G_TYPE_INVALID)) { g_warning ("%s", error->message); g_error_free (error); } g_object_unref (proxy); } else { g_warning ("Error creating proxy: %s\n", error->message); g_error_free (error); } /* Do not continue opening this document */ retval = FALSE; } g_free (owner); return retval; } static void ev_application_unregister_uri (EvApplication *application, const gchar *uri) { DBusGProxy *proxy; GError *error = NULL; if (!application->connection) return; proxy = dbus_g_proxy_new_for_name (application->connection, "org.gnome.evince.Daemon", "/org/gnome/evince/Daemon", "org.gnome.evince.Daemon"); if (!dbus_g_proxy_call (proxy, "UnregisterDocument", &error, G_TYPE_STRING, uri, G_TYPE_INVALID, G_TYPE_INVALID)) { g_warning ("Error unregistering document: %s\n", error->message); g_error_free (error); } g_object_unref (proxy); } #endif /* ENABLE_DBUS */ static void ev_application_open_uri_in_window (EvApplication *application, const char *uri, EvWindow *ev_window, GdkScreen *screen, EvLinkDest *dest, EvWindowRunMode mode, const gchar *search_string, guint timestamp) { if (screen) { ev_stock_icons_set_screen (screen); gtk_window_set_screen (GTK_WINDOW (ev_window), screen); } /* We need to load uri before showing the window, so we can restore window size without flickering */ ev_window_open_uri (ev_window, uri, dest, mode, search_string); if (!GTK_WIDGET_REALIZED (GTK_WIDGET (ev_window))) gtk_widget_realize (GTK_WIDGET (ev_window)); #ifdef GDK_WINDOWING_X11 if (timestamp <= 0) timestamp = gdk_x11_get_server_time (GTK_WIDGET (ev_window)->window); gdk_x11_window_set_user_time (GTK_WIDGET (ev_window)->window, timestamp); ev_document_fc_mutex_lock (); gtk_window_present (GTK_WINDOW (ev_window)); ev_document_fc_mutex_unlock (); #else ev_document_fc_mutex_lock (); gtk_window_present_with_time (GTK_WINDOW (ev_window), timestamp); ev_document_fc_mutex_unlock (); #endif /* GDK_WINDOWING_X11 */ } /** * ev_application_open_uri_at_dest: * @application: The instance of the application. * @uri: The uri to be opened. * @screen: Thee screen where the link will be shown. * @dest: The #EvLinkDest of the document. * @mode: The run mode of the window. * @timestamp: Current time value. */ void ev_application_open_uri_at_dest (EvApplication *application, const char *uri, GdkScreen *screen, EvLinkDest *dest, EvWindowRunMode mode, const gchar *search_string, guint timestamp) { EvWindow *ev_window; g_return_if_fail (uri != NULL); if (application->uri && strcmp (application->uri, uri) != 0) { /* spawn a new evince process */ ev_spawn (uri, screen, dest, mode, search_string, timestamp); return; } else { #ifdef ENABLE_DBUS GHashTable *args = build_args (screen, dest, mode, search_string); gboolean ret; /* Register the uri or send OpenURI to * remote instance if already registered */ ret = ev_application_register_uri (application, uri, args, timestamp); g_hash_table_destroy (args); if (!ret) return; #endif /* ENABLE_DBUS */ ev_window = ev_application_get_empty_window (application, screen); if (!ev_window) ev_window = EV_WINDOW (ev_window_new ()); } application->uri = g_strdup (uri); ev_application_open_uri_in_window (application, uri, ev_window, screen, dest, mode, search_string, timestamp); } /** * ev_application_open_window: * @application: The instance of the application. * @timestamp: Current time value. * * Creates a new window */ void ev_application_open_window (EvApplication *application, GdkScreen *screen, guint32 timestamp) { GtkWidget *new_window = ev_window_new (); if (screen) { ev_stock_icons_set_screen (screen); gtk_window_set_screen (GTK_WINDOW (new_window), screen); } if (!GTK_WIDGET_REALIZED (new_window)) gtk_widget_realize (new_window); #ifdef GDK_WINDOWING_X11 if (timestamp <= 0) timestamp = gdk_x11_get_server_time (new_window->window); gdk_x11_window_set_user_time (new_window->window, timestamp); gtk_window_present (GTK_WINDOW (new_window)); #else gtk_window_present_with_time (GTK_WINDOW (new_window), timestamp); #endif /* GDK_WINDOWING_X11 */ } /** * ev_application_open_uri: * @application: The instance of the application. * @uri: The uri to be opened * @args: A #GHashTable with the arguments data. * @timestamp: Current time value. * @error: The #GError facility. */ static gboolean ev_application_open_uri (EvApplication *application, const char *uri, GHashTable *args, guint timestamp, GError **error) { GList *windows, *l; EvLinkDest *dest = NULL; EvWindowRunMode mode = EV_WINDOW_MODE_NORMAL; const gchar *search_string = NULL; GdkScreen *screen = NULL; g_assert (application->uri != NULL); /* FIXME: we don't need uri anymore, * maybe this method should be renamed * as reload, refresh or something like that */ if (!application->uri || strcmp (application->uri, uri)) { g_warning ("Invalid uri: %s, expected %s\n", uri, application->uri); return TRUE; } if (args) { screen = get_screen_from_args (args); dest = get_destination_from_args (args); mode = get_window_run_mode_from_args (args); search_string = get_find_string_from_args (args); } windows = ev_application_get_windows (application); for (l = windows; l != NULL; l = g_list_next (l)) { EvWindow *ev_window = EV_WINDOW (l->data); ev_application_open_uri_in_window (application, uri, ev_window, screen, dest, mode, search_string, timestamp); } g_list_free (windows); if (dest) g_object_unref (dest); return TRUE; } void ev_application_open_uri_list (EvApplication *application, GSList *uri_list, GdkScreen *screen, guint timestamp) { GSList *l; for (l = uri_list; l != NULL; l = l->next) { ev_application_open_uri_at_dest (application, (char *)l->data, screen, NULL, 0, NULL, timestamp); } } static void ev_application_accel_map_save (EvApplication *application) { gchar *accel_map_file; gchar *tmp_filename; gint fd; accel_map_file = g_build_filename (g_get_home_dir (), ".gnome2", "accels", "evince", NULL); tmp_filename = g_strdup_printf ("%s.XXXXXX", accel_map_file); fd = g_mkstemp (tmp_filename); if (fd == -1) { g_free (accel_map_file); g_free (tmp_filename); return; } gtk_accel_map_save_fd (fd); close (fd); if (g_rename (tmp_filename, accel_map_file) == -1) { /* FIXME: win32? */ g_unlink (tmp_filename); } g_free (accel_map_file); g_free (tmp_filename); } static void ev_application_accel_map_load (EvApplication *application) { gchar *accel_map_file; accel_map_file = g_build_filename (g_get_home_dir (), ".gnome2", "accels", "evince", NULL); gtk_accel_map_load (accel_map_file); g_free (accel_map_file); } void ev_application_shutdown (EvApplication *application) { if (application->uri) { #ifdef ENABLE_DBUS ev_application_unregister_uri (application, application->uri); #endif g_free (application->uri); application->uri = NULL; } ev_application_accel_map_save (application); #ifdef ENABLE_DBUS if (application->keys) { g_object_unref (application->keys); application->keys = NULL; } #endif /* ENABLE_DBUS */ g_free (application->dot_dir); application->dot_dir = NULL; g_free (application->data_dir); application->data_dir = NULL; g_free (application->filechooser_open_uri); application->filechooser_open_uri = NULL; g_free (application->filechooser_save_uri); application->filechooser_save_uri = NULL; g_object_unref (application); instance = NULL; gtk_main_quit (); } static void ev_application_class_init (EvApplicationClass *ev_application_class) { #ifdef ENABLE_DBUS dbus_g_object_type_install_info (EV_TYPE_APPLICATION, &dbus_glib_ev_application_object_info); #endif } static void ev_application_init (EvApplication *ev_application) { GError *error = NULL; ev_application->dot_dir = g_build_filename (g_get_home_dir (), ".gnome2", "evince", NULL); #ifdef G_OS_WIN32 { gchar *dir; dir = g_win32_get_package_installation_directory_of_module (NULL); ev_application->data_dir = g_build_filename (dir, "share", "evince", NULL); g_free (dir); } #else ev_application->data_dir = g_strdup (DATADIR); #endif ev_application_init_session (ev_application); ev_application_accel_map_load (ev_application); #ifdef ENABLE_DBUS ev_application->connection = dbus_g_bus_get (DBUS_BUS_STARTER, &error); if (ev_application->connection) { dbus_g_connection_register_g_object (ev_application->connection, APPLICATION_DBUS_OBJECT_PATH, G_OBJECT (ev_application)); ev_application->scr_saver = totem_scrsaver_new (ev_application->connection); } else { g_warning ("Error connection to DBus: %s\n", error->message); g_error_free (error); } ev_application->keys = ev_media_player_keys_new (); #endif /* ENABLE_DBUS */ } gboolean ev_application_has_window (EvApplication *application) { GList *windows = ev_application_get_windows (application); gboolean retval = windows != NULL; g_list_free (windows); return retval; } const gchar * ev_application_get_uri (EvApplication *application) { return application->uri; } /** * ev_application_get_media_keys: * @application: The instance of the application. * * It gives you access to the media player keys handler object. * * Returns: A #EvMediaPlayerKeys. */ GObject * ev_application_get_media_keys (EvApplication *application) { #ifdef ENABLE_DBUS return G_OBJECT (application->keys); #else return NULL; #endif /* ENABLE_DBUS */ } void ev_application_set_filechooser_uri (EvApplication *application, GtkFileChooserAction action, const gchar *uri) { if (action == GTK_FILE_CHOOSER_ACTION_OPEN) { g_free (application->filechooser_open_uri); application->filechooser_open_uri = g_strdup (uri); } else if (action == GTK_FILE_CHOOSER_ACTION_SAVE) { g_free (application->filechooser_save_uri); application->filechooser_save_uri = g_strdup (uri); } } const gchar * ev_application_get_filechooser_uri (EvApplication *application, GtkFileChooserAction action) { if (action == GTK_FILE_CHOOSER_ACTION_OPEN) { if (application->filechooser_open_uri) return application->filechooser_open_uri; } else if (action == GTK_FILE_CHOOSER_ACTION_SAVE) { if (application->filechooser_save_uri) return application->filechooser_save_uri; } return NULL; } void ev_application_screensaver_enable (EvApplication *application) { if (application->scr_saver) totem_scrsaver_enable (application->scr_saver); } void ev_application_screensaver_disable (EvApplication *application) { if (application->scr_saver) totem_scrsaver_disable (application->scr_saver); } const gchar * ev_application_get_dot_dir (EvApplication *application, gboolean create) { if (create) g_mkdir_with_parents (application->dot_dir, 0700); return application->dot_dir; } const gchar * ev_application_get_data_dir (EvApplication *application) { return application->data_dir; }