/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- * * Copyright (C) 2001-2003 Bastien Nocera * Copyright (C) 2006-2007 William Jon McCann * Copyright (C) 2014 Michal Ratajsky * * This program 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. * * This program 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. * */ #include "config.h" #include #include #include #include #include #include #include #include #ifdef HAVE_LIBMATEMIXER #include #endif #ifdef HAVE_LIBCANBERRA #include #endif #include "mate-settings-profile.h" #include "msd-marshal.h" #include "msd-media-keys-manager.h" #include "msd-media-keys-manager-glue.h" #include "eggaccelerators.h" #include "acme.h" #include "msd-media-keys-window.h" #include "msd-input-helper.h" #define MSD_DBUS_PATH "/org/mate/SettingsDaemon" #define MSD_DBUS_NAME "org.mate.SettingsDaemon" #define MSD_MEDIA_KEYS_DBUS_PATH MSD_DBUS_PATH "/MediaKeys" #define MSD_MEDIA_KEYS_DBUS_NAME MSD_DBUS_NAME ".MediaKeys" #define TOUCHPAD_SCHEMA "org.mate.peripherals-touchpad" #define TOUCHPAD_ENABLED_KEY "touchpad-enabled" #define VOLUME_STEP 6 #define MSD_MEDIA_KEYS_MANAGER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), MSD_TYPE_MEDIA_KEYS_MANAGER, MsdMediaKeysManagerPrivate)) typedef struct { char *application; guint32 time; } MediaPlayer; struct _MsdMediaKeysManagerPrivate { #ifdef HAVE_LIBMATEMIXER /* Volume bits */ MateMixerContext *context; MateMixerStream *stream; MateMixerStreamControl *control; #endif GtkWidget *dialog; GSettings *settings; GVolumeMonitor *volume_monitor; /* Multihead stuff */ GdkScreen *current_screen; GSList *screens; GList *media_players; DBusGConnection *connection; guint notify[HANDLED_KEYS]; }; enum { MEDIA_PLAYER_KEY_PRESSED, LAST_SIGNAL }; static guint signals[LAST_SIGNAL] = { 0 }; static void msd_media_keys_manager_class_init (MsdMediaKeysManagerClass *klass); static void msd_media_keys_manager_init (MsdMediaKeysManager *media_keys_manager); G_DEFINE_TYPE (MsdMediaKeysManager, msd_media_keys_manager, G_TYPE_OBJECT) static gpointer manager_object = NULL; static void init_screens (MsdMediaKeysManager *manager) { GdkDisplay *display; int i; display = gdk_display_get_default (); for (i = 0; i < gdk_display_get_n_screens (display); i++) { GdkScreen *screen; screen = gdk_display_get_screen (display, i); if (screen == NULL) { continue; } manager->priv->screens = g_slist_append (manager->priv->screens, screen); } manager->priv->current_screen = manager->priv->screens->data; } static void acme_error (char * msg) { GtkWidget *error_dialog; error_dialog = gtk_message_dialog_new (NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, msg, NULL); gtk_dialog_set_default_response (GTK_DIALOG (error_dialog), GTK_RESPONSE_OK); gtk_widget_show (error_dialog); g_signal_connect (error_dialog, "response", G_CALLBACK (gtk_widget_destroy), NULL); } static char * get_term_command (MsdMediaKeysManager *manager) { char *cmd_term, *cmd_args; char *cmd = NULL; GSettings *settings; settings = g_settings_new ("org.mate.applications-terminal"); cmd_term = g_settings_get_string (settings, "exec"); cmd_args = g_settings_get_string (settings, "exec-arg"); if (cmd_term[0] != '\0') { cmd = g_strdup_printf ("%s %s -e", cmd_term, cmd_args); } else { cmd = g_strdup_printf ("mate-terminal -e"); } g_free (cmd_args); g_free (cmd_term); g_object_unref (settings); return cmd; } static void execute (MsdMediaKeysManager *manager, char *cmd, gboolean sync, gboolean need_term) { gboolean retval; char **argv; int argc; char *exec; char *term = NULL; retval = FALSE; if (need_term) { term = get_term_command (manager); if (term == NULL) { acme_error (_("Could not get default terminal. Verify that your default " "terminal command is set and points to a valid application.")); return; } } if (term) { exec = g_strdup_printf ("%s %s", term, cmd); g_free (term); } else { exec = g_strdup (cmd); } if (g_shell_parse_argv (exec, &argc, &argv, NULL)) { if (sync != FALSE) { retval = g_spawn_sync (g_get_home_dir (), argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, NULL, NULL, NULL, NULL); } else { retval = g_spawn_async (g_get_home_dir (), argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, NULL, NULL); } g_strfreev (argv); } if (retval == FALSE) { char *msg; msg = g_strdup_printf (_("Couldn't execute command: %s\n" "Verify that this is a valid command."), exec); acme_error (msg); g_free (msg); } g_free (exec); } static void dialog_init (MsdMediaKeysManager *manager) { if (manager->priv->dialog != NULL && !msd_osd_window_is_valid (MSD_OSD_WINDOW (manager->priv->dialog))) { gtk_widget_destroy (manager->priv->dialog); manager->priv->dialog = NULL; } if (manager->priv->dialog == NULL) { manager->priv->dialog = msd_media_keys_window_new (); } } static gboolean is_valid_shortcut (const char *string) { if (string == NULL || string[0] == '\0') { return FALSE; } if (strcmp (string, "disabled") == 0) { return FALSE; } return TRUE; } static void update_kbd_cb (GSettings *settings, gchar *settings_key, MsdMediaKeysManager *manager) { int i; gboolean need_flush = TRUE; g_return_if_fail (settings_key != NULL); gdk_error_trap_push (); /* Find the key that was modified */ for (i = 0; i < HANDLED_KEYS; i++) { if (g_strcmp0 (settings_key, keys[i].settings_key) == 0) { char *tmp; Key *key; if (keys[i].key != NULL) { need_flush = TRUE; grab_key_unsafe (keys[i].key, FALSE, manager->priv->screens); } g_free (keys[i].key); keys[i].key = NULL; /* We can't have a change in a hard-coded key */ g_assert (keys[i].settings_key != NULL); tmp = g_settings_get_string (settings, keys[i].settings_key); if (is_valid_shortcut (tmp) == FALSE) { g_free (tmp); break; } key = g_new0 (Key, 1); if (!egg_accelerator_parse_virtual (tmp, &key->keysym, &key->keycodes, &key->state)) { g_free (tmp); g_free (key); break; } need_flush = TRUE; grab_key_unsafe (key, TRUE, manager->priv->screens); keys[i].key = key; g_free (tmp); break; } } if (need_flush) gdk_flush (); if (gdk_error_trap_pop ()) g_warning ("Grab failed for some keys, another application may already have access the them."); } static void init_kbd(MsdMediaKeysManager* manager) { int i; gboolean need_flush = FALSE; mate_settings_profile_start(NULL); gdk_error_trap_push(); for (i = 0; i < HANDLED_KEYS; i++) { char* tmp; Key* key; gchar* signal_name; signal_name = g_strdup_printf ("changed::%s", keys[i].settings_key); g_signal_connect (manager->priv->settings, signal_name, G_CALLBACK (update_kbd_cb), manager); g_free (signal_name); if (keys[i].settings_key != NULL) { tmp = g_settings_get_string (manager->priv->settings, keys[i].settings_key); } else { tmp = g_strdup (keys[i].hard_coded); } if (!is_valid_shortcut(tmp)) { g_debug("Not a valid shortcut: '%s'", tmp); g_free(tmp); continue; } key = g_new0(Key, 1); if (!egg_accelerator_parse_virtual(tmp, &key->keysym, &key->keycodes, &key->state)) { g_debug("Unable to parse: '%s'", tmp); g_free(tmp); g_free(key); continue; } g_free(tmp); keys[i].key = key; need_flush = TRUE; grab_key_unsafe(key, TRUE, manager->priv->screens); } if (need_flush) { gdk_flush(); } if (gdk_error_trap_pop ()) { g_warning("Grab failed for some keys, another application may already have access the them."); } mate_settings_profile_end(NULL); } static void dialog_show (MsdMediaKeysManager *manager) { int orig_w; int orig_h; int screen_w; int screen_h; int x; int y; GdkDisplay *display; GdkDeviceManager *device_manager; GdkDevice *pointer; int pointer_x; int pointer_y; GtkRequisition win_req; GdkScreen *pointer_screen; GdkRectangle geometry; int monitor; gtk_window_set_screen (GTK_WINDOW (manager->priv->dialog), manager->priv->current_screen); /* Return if OSD notifications are disabled */ if (!g_settings_get_boolean (manager->priv->settings, "enable-osd")) return; /* * get the window size * if the window hasn't been mapped, it doesn't necessarily * know its true size, yet, so we need to jump through hoops */ gtk_window_get_default_size (GTK_WINDOW (manager->priv->dialog), &orig_w, &orig_h); gtk_widget_get_preferred_size (manager->priv->dialog, NULL, &win_req); if (win_req.width > orig_w) { orig_w = win_req.width; } if (win_req.height > orig_h) { orig_h = win_req.height; } pointer_screen = NULL; display = gdk_screen_get_display (manager->priv->current_screen); device_manager = gdk_display_get_device_manager (display); pointer = gdk_device_manager_get_client_pointer (device_manager); gdk_device_get_position (pointer, &pointer_screen, &pointer_x, &pointer_y); if (pointer_screen != manager->priv->current_screen) { /* The pointer isn't on the current screen, so just * assume the default monitor */ monitor = 0; } else { monitor = gdk_screen_get_monitor_at_point (manager->priv->current_screen, pointer_x, pointer_y); } gdk_screen_get_monitor_geometry (manager->priv->current_screen, monitor, &geometry); screen_w = geometry.width; screen_h = geometry.height; x = ((screen_w - orig_w) / 2) + geometry.x; y = geometry.y + (screen_h / 2) + (screen_h / 2 - orig_h) / 2; gtk_window_move (GTK_WINDOW (manager->priv->dialog), x, y); gtk_widget_show (manager->priv->dialog); gdk_display_sync (gdk_screen_get_display (manager->priv->current_screen)); } static void do_url_action (MsdMediaKeysManager *manager, const gchar *scheme) { GError *error = NULL; GAppInfo *app_info; app_info = g_app_info_get_default_for_uri_scheme (scheme); if (app_info != NULL) { if (!g_app_info_launch (app_info, NULL, NULL, &error)) { g_warning ("Could not launch '%s': %s", g_app_info_get_commandline (app_info), error->message); g_object_unref (app_info); g_error_free (error); } } else { g_warning ("Could not find default application for '%s' scheme", scheme); } } static void do_media_action (MsdMediaKeysManager *manager) { GError *error = NULL; GAppInfo *app_info; app_info = g_app_info_get_default_for_type ("audio/x-vorbis+ogg", FALSE); if (app_info != NULL) { if (!g_app_info_launch (app_info, NULL, NULL, &error)) { g_warning ("Could not launch '%s': %s", g_app_info_get_commandline (app_info), error->message); g_error_free (error); } } else { g_warning ("Could not find default application for '%s' mime-type", "audio/x-vorbis+ogg"); } } static void do_shutdown_action (MsdMediaKeysManager *manager) { execute (manager, "mate-session-save --shutdown-dialog", FALSE, FALSE); } static void do_logout_action (MsdMediaKeysManager *manager) { execute (manager, "mate-session-save --logout-dialog", FALSE, FALSE); } static void do_eject_action_cb (GDrive *drive, GAsyncResult *res, MsdMediaKeysManager *manager) { g_drive_eject_with_operation_finish (drive, res, NULL); } #define NO_SCORE 0 #define SCORE_CAN_EJECT 50 #define SCORE_HAS_MEDIA 100 static void do_eject_action (MsdMediaKeysManager *manager) { GList *drives, *l; GDrive *fav_drive; guint score; /* Find the best drive to eject */ fav_drive = NULL; score = NO_SCORE; drives = g_volume_monitor_get_connected_drives (manager->priv->volume_monitor); for (l = drives; l != NULL; l = l->next) { GDrive *drive = l->data; if (g_drive_can_eject (drive) == FALSE) continue; if (g_drive_is_media_removable (drive) == FALSE) continue; if (score < SCORE_CAN_EJECT) { fav_drive = drive; score = SCORE_CAN_EJECT; } if (g_drive_has_media (drive) == FALSE) continue; if (score < SCORE_HAS_MEDIA) { fav_drive = drive; score = SCORE_HAS_MEDIA; break; } } /* Show the dialogue */ dialog_init (manager); msd_media_keys_window_set_action_custom (MSD_MEDIA_KEYS_WINDOW (manager->priv->dialog), "media-eject", FALSE); dialog_show (manager); /* Clean up the drive selection and exit if no suitable * drives are found */ if (fav_drive != NULL) fav_drive = g_object_ref (fav_drive); g_list_foreach (drives, (GFunc) g_object_unref, NULL); if (fav_drive == NULL) return; /* Eject! */ g_drive_eject_with_operation (fav_drive, G_MOUNT_UNMOUNT_FORCE, NULL, NULL, (GAsyncReadyCallback) do_eject_action_cb, manager); g_object_unref (fav_drive); } static void do_touchpad_action (MsdMediaKeysManager *manager) { GSettings *settings = g_settings_new (TOUCHPAD_SCHEMA); gboolean state = g_settings_get_boolean (settings, TOUCHPAD_ENABLED_KEY); if (touchpad_is_present () == FALSE) { dialog_init (manager); msd_media_keys_window_set_action_custom (MSD_MEDIA_KEYS_WINDOW (manager->priv->dialog), "touchpad-disabled", FALSE); return; } dialog_init (manager); msd_media_keys_window_set_action_custom (MSD_MEDIA_KEYS_WINDOW (manager->priv->dialog), (!state) ? "touchpad-enabled" : "touchpad-disabled", FALSE); dialog_show (manager); g_settings_set_boolean (settings, TOUCHPAD_ENABLED_KEY, !state); g_object_unref (settings); } #ifdef HAVE_LIBMATEMIXER static void update_dialog (MsdMediaKeysManager *manager, guint volume, gboolean muted, gboolean sound_changed) { dialog_init (manager); msd_media_keys_window_set_volume_muted (MSD_MEDIA_KEYS_WINDOW (manager->priv->dialog), muted); msd_media_keys_window_set_volume_level (MSD_MEDIA_KEYS_WINDOW (manager->priv->dialog), volume); msd_media_keys_window_set_action (MSD_MEDIA_KEYS_WINDOW (manager->priv->dialog), MSD_MEDIA_KEYS_WINDOW_ACTION_VOLUME); dialog_show (manager); #ifdef HAVE_LIBCANBERRA if (sound_changed != FALSE && muted == FALSE) ca_gtk_play_for_widget (manager->priv->dialog, 0, CA_PROP_EVENT_ID, "audio-volume-change", CA_PROP_EVENT_DESCRIPTION, "Volume changed through key press", CA_PROP_APPLICATION_NAME, PACKAGE_NAME, CA_PROP_APPLICATION_VERSION, PACKAGE_VERSION, CA_PROP_APPLICATION_ID, "org.mate.SettingsDaemon", NULL); #endif } static void do_sound_action (MsdMediaKeysManager *manager, int type) { gboolean muted; gboolean muted_last; gboolean sound_changed = FALSE; guint volume; guint volume_min, volume_max; guint volume_step; guint volume_last; if (manager->priv->control == NULL) return; /* Theoretically the volume limits might be different for different * streams, also the minimum might not always start at 0 */ volume_min = mate_mixer_stream_control_get_min_volume (manager->priv->control); volume_max = mate_mixer_stream_control_get_normal_volume (manager->priv->control); volume_step = g_settings_get_int (manager->priv->settings, "volume-step"); if (volume_step <= 0 || volume_step > 100) volume_step = VOLUME_STEP; /* Scale the volume step size accordingly to the range used by the control */ volume_step = (volume_max - volume_min) * volume_step / 100; volume = volume_last = mate_mixer_stream_control_get_volume (manager->priv->control); muted = muted_last = mate_mixer_stream_control_get_mute (manager->priv->control); switch (type) { case MUTE_KEY: muted = !muted; break; case VOLUME_DOWN_KEY: if (volume <= (volume_min + volume_step)) { volume = volume_min; muted = TRUE; } else { volume -= volume_step; muted = FALSE; } break; case VOLUME_UP_KEY: if (muted) { muted = FALSE; if (volume <= volume_min) volume = volume_min + volume_step; } else volume = CLAMP (volume + volume_step, volume_min, volume_max); break; } if (muted != muted_last) { if (mate_mixer_stream_control_set_mute (manager->priv->control, muted)) sound_changed = TRUE; else muted = muted_last; } if (volume != mate_mixer_stream_control_get_volume (manager->priv->control)) { if (mate_mixer_stream_control_set_volume (manager->priv->control, volume)) sound_changed = TRUE; else volume = volume_last; } update_dialog (manager, CLAMP (100 * volume / (volume_max - volume_min), 0, 100), muted, sound_changed); } static void update_default_output (MsdMediaKeysManager *manager) { MateMixerStream *stream; MateMixerStreamControl *control = NULL; stream = mate_mixer_context_get_default_output_stream (manager->priv->context); if (stream != NULL) control = mate_mixer_stream_get_default_control (stream); if (stream == manager->priv->stream) return; g_clear_object (&manager->priv->stream); g_clear_object (&manager->priv->control); if (control != NULL) { MateMixerStreamControlFlags flags = mate_mixer_stream_control_get_flags (control); /* Do not use the stream if it is not possible to mute it or * change the volume */ if (!(flags & MATE_MIXER_STREAM_CONTROL_MUTE_WRITABLE) && !(flags & MATE_MIXER_STREAM_CONTROL_VOLUME_WRITABLE)) return; manager->priv->stream = g_object_ref (stream); manager->priv->control = g_object_ref (control); g_debug ("Default output stream updated to %s", mate_mixer_stream_get_name (stream)); } else g_debug ("Default output stream unset"); } static void on_context_state_notify (MateMixerContext *context, GParamSpec *pspec, MsdMediaKeysManager *manager) { update_default_output (manager); } static void on_context_default_output_notify (MateMixerContext *context, GParamSpec *pspec, MsdMediaKeysManager *manager) { update_default_output (manager); } static void on_context_stream_removed (MateMixerContext *context, const gchar *name, MsdMediaKeysManager *manager) { if (manager->priv->stream != NULL) { MateMixerStream *stream = mate_mixer_context_get_stream (manager->priv->context, name); if (stream == manager->priv->stream) { g_clear_object (&manager->priv->stream); g_clear_object (&manager->priv->control); } } } #endif /* HAVE_LIBMATEMIXER */ static gint find_by_application (gconstpointer a, gconstpointer b) { return strcmp (((MediaPlayer *)a)->application, b); } static gint find_by_time (gconstpointer a, gconstpointer b) { return ((MediaPlayer *)a)->time < ((MediaPlayer *)b)->time; } /* * Register a new media player. Most applications will want to call * this with time = GDK_CURRENT_TIME. This way, the last registered * player will receive media events. In some cases, applications * may want to register with a lower priority (usually 1), to grab * events only nobody is interested. */ gboolean msd_media_keys_manager_grab_media_player_keys (MsdMediaKeysManager *manager, const char *application, guint32 time, GError **error) { GList *iter; MediaPlayer *media_player; if (time == GDK_CURRENT_TIME) { GTimeVal tv; g_get_current_time (&tv); time = tv.tv_sec * 1000 + tv.tv_usec / 1000; } iter = g_list_find_custom (manager->priv->media_players, application, find_by_application); if (iter != NULL) { if (((MediaPlayer *)iter->data)->time < time) { g_free (((MediaPlayer *)iter->data)->application); g_free (iter->data); manager->priv->media_players = g_list_delete_link (manager->priv->media_players, iter); } else { return TRUE; } } g_debug ("Registering %s at %u", application, time); media_player = g_new0 (MediaPlayer, 1); media_player->application = g_strdup (application); media_player->time = time; manager->priv->media_players = g_list_insert_sorted (manager->priv->media_players, media_player, find_by_time); return TRUE; } gboolean msd_media_keys_manager_release_media_player_keys (MsdMediaKeysManager *manager, const char *application, GError **error) { GList *iter; iter = g_list_find_custom (manager->priv->media_players, application, find_by_application); if (iter != NULL) { g_debug ("Deregistering %s", application); g_free (((MediaPlayer *)iter->data)->application); g_free (iter->data); manager->priv->media_players = g_list_delete_link (manager->priv->media_players, iter); } return TRUE; } static gboolean msd_media_player_key_pressed (MsdMediaKeysManager *manager, const char *key) { const char *application = NULL; gboolean have_listeners; have_listeners = (manager->priv->media_players != NULL); if (have_listeners) { application = ((MediaPlayer *)manager->priv->media_players->data)->application; } g_signal_emit (manager, signals[MEDIA_PLAYER_KEY_PRESSED], 0, application, key); return !have_listeners; } static gboolean do_multimedia_player_action (MsdMediaKeysManager *manager, const char *key) { return msd_media_player_key_pressed (manager, key); } static void do_toggle_accessibility_key (const char *key) { GSettings *settings; gboolean state; settings = g_settings_new ("org.gnome.desktop.a11y.applications"); state = g_settings_get_boolean (settings, key); g_settings_set_boolean (settings, key, !state); g_object_unref (settings); } static void do_magnifier_action (MsdMediaKeysManager *manager) { do_toggle_accessibility_key ("screen-magnifier-enabled"); } static void do_screenreader_action (MsdMediaKeysManager *manager) { do_toggle_accessibility_key ("screen-reader-enabled"); } static void do_on_screen_keyboard_action (MsdMediaKeysManager *manager) { do_toggle_accessibility_key ("screen-keyboard-enabled"); } static gboolean do_action (MsdMediaKeysManager *manager, int type) { char *cmd; char *path; switch (type) { case TOUCHPAD_KEY: do_touchpad_action (manager); break; case MUTE_KEY: case VOLUME_DOWN_KEY: case VOLUME_UP_KEY: #ifdef HAVE_LIBMATEMIXER do_sound_action (manager, type); #endif break; case POWER_KEY: do_shutdown_action (manager); break; case LOGOUT_KEY: do_logout_action (manager); break; case EJECT_KEY: do_eject_action (manager); break; case HOME_KEY: path = g_shell_quote (g_get_home_dir ()); cmd = g_strconcat ("caja --no-desktop ", path, NULL); g_free (path); execute (manager, cmd, FALSE, FALSE); g_free (cmd); break; case SEARCH_KEY: cmd = NULL; if ((cmd = g_find_program_in_path ("beagle-search"))) { execute (manager, "beagle-search", FALSE, FALSE); } else if ((cmd = g_find_program_in_path ("tracker-search-tool"))) { execute (manager, "tracker-search-tool", FALSE, FALSE); } else { execute (manager, "mate-search-tool", FALSE, FALSE); } g_free (cmd); break; case EMAIL_KEY: do_url_action (manager, "mailto"); break; case SCREENSAVER_KEY: if ((cmd = g_find_program_in_path ("mate-screensaver-command"))) { execute (manager, "mate-screensaver-command --lock", FALSE, FALSE); } else { execute (manager, "xscreensaver-command -lock", FALSE, FALSE); } g_free (cmd); break; case HELP_KEY: do_url_action (manager, "help"); break; case WWW_KEY: do_url_action (manager, "http"); break; case MEDIA_KEY: do_media_action (manager); break; case CALCULATOR_KEY: if ((cmd = g_find_program_in_path ("galculator"))) { execute (manager, "galculator", FALSE, FALSE); } else if ((cmd = g_find_program_in_path ("mate-calc"))) { execute (manager, "mate-calc", FALSE, FALSE); } else { execute (manager, "gnome-calculator", FALSE, FALSE); } g_free (cmd); break; case PLAY_KEY: return do_multimedia_player_action (manager, "Play"); case PAUSE_KEY: return do_multimedia_player_action (manager, "Pause"); case STOP_KEY: return do_multimedia_player_action (manager, "Stop"); case PREVIOUS_KEY: return do_multimedia_player_action (manager, "Previous"); case NEXT_KEY: return do_multimedia_player_action (manager, "Next"); case REWIND_KEY: return do_multimedia_player_action (manager, "Rewind"); case FORWARD_KEY: return do_multimedia_player_action (manager, "FastForward"); case REPEAT_KEY: return do_multimedia_player_action (manager, "Repeat"); case RANDOM_KEY: return do_multimedia_player_action (manager, "Shuffle"); case MAGNIFIER_KEY: do_magnifier_action (manager); break; case SCREENREADER_KEY: do_screenreader_action (manager); break; case ON_SCREEN_KEYBOARD_KEY: do_on_screen_keyboard_action (manager); break; default: g_assert_not_reached (); } return FALSE; } static GdkScreen * acme_get_screen_from_event (MsdMediaKeysManager *manager, XAnyEvent *xanyev) { GdkWindow *window; GdkScreen *screen; GSList *l; /* Look for which screen we're receiving events */ for (l = manager->priv->screens; l != NULL; l = l->next) { screen = (GdkScreen *) l->data; window = gdk_screen_get_root_window (screen); if (GDK_WINDOW_XID (window) == xanyev->window) { return screen; } } return NULL; } static GdkFilterReturn acme_filter_events (GdkXEvent *xevent, GdkEvent *event, MsdMediaKeysManager *manager) { XEvent *xev = (XEvent *) xevent; XAnyEvent *xany = (XAnyEvent *) xevent; int i; /* verify we have a key event */ if (xev->type != KeyPress) { return GDK_FILTER_CONTINUE; } for (i = 0; i < HANDLED_KEYS; i++) { if (match_key (keys[i].key, xev)) { switch (keys[i].key_type) { case VOLUME_DOWN_KEY: case VOLUME_UP_KEY: /* auto-repeatable keys */ if (xev->type != KeyPress) { return GDK_FILTER_CONTINUE; } break; } manager->priv->current_screen = acme_get_screen_from_event (manager, xany); if (do_action (manager, keys[i].key_type) == FALSE) { return GDK_FILTER_REMOVE; } else { return GDK_FILTER_CONTINUE; } } } return GDK_FILTER_CONTINUE; } static gboolean start_media_keys_idle_cb (MsdMediaKeysManager *manager) { GSList *l; GdkDisplay *dpy; Display *xdpy; g_debug ("Starting media_keys manager"); mate_settings_profile_start (NULL); dpy = gdk_display_get_default (); xdpy = GDK_DISPLAY_XDISPLAY (dpy); manager->priv->volume_monitor = g_volume_monitor_get (); manager->priv->settings = g_settings_new (BINDING_SCHEMA); init_screens (manager); init_kbd (manager); /* Start filtering the events */ for (l = manager->priv->screens; l != NULL; l = l->next) { GdkWindow *window; Window xwindow; XWindowAttributes atts; mate_settings_profile_start ("gdk_window_add_filter"); window = gdk_screen_get_root_window (l->data); xwindow = GDK_WINDOW_XID (window); g_debug ("adding key filter for screen: %d", gdk_screen_get_number (l->data)); gdk_window_add_filter (window, (GdkFilterFunc)acme_filter_events, manager); gdk_error_trap_push (); /* Add KeyPressMask to the currently reportable event masks */ XGetWindowAttributes (xdpy, xwindow, &atts); XSelectInput (xdpy, xwindow, atts.your_event_mask | KeyPressMask); gdk_error_trap_pop_ignored (); mate_settings_profile_end ("gdk_window_add_filter"); } mate_settings_profile_end (NULL); return FALSE; } gboolean msd_media_keys_manager_start (MsdMediaKeysManager *manager, GError **error) { mate_settings_profile_start (NULL); #ifdef HAVE_LIBMATEMIXER if (G_LIKELY (mate_mixer_is_initialized ())) { mate_settings_profile_start ("mate_mixer_context_new"); manager->priv->context = mate_mixer_context_new (); g_signal_connect (manager->priv->context, "notify::state", G_CALLBACK (on_context_state_notify), manager); g_signal_connect (manager->priv->context, "notify::default-output-stream", G_CALLBACK (on_context_default_output_notify), manager); g_signal_connect (manager->priv->context, "stream-removed", G_CALLBACK (on_context_stream_removed), manager); mate_mixer_context_open (manager->priv->context); mate_settings_profile_end ("mate_mixer_context_new"); } #endif g_idle_add ((GSourceFunc) start_media_keys_idle_cb, manager); mate_settings_profile_end (NULL); return TRUE; } void msd_media_keys_manager_stop (MsdMediaKeysManager *manager) { MsdMediaKeysManagerPrivate *priv = manager->priv; GSList *ls; GList *l; int i; gboolean need_flush; g_debug ("Stopping media_keys manager"); for (ls = priv->screens; ls != NULL; ls = ls->next) { gdk_window_remove_filter (gdk_screen_get_root_window (ls->data), (GdkFilterFunc) acme_filter_events, manager); } if (priv->settings != NULL) { g_object_unref (priv->settings); priv->settings = NULL; } if (priv->volume_monitor != NULL) { g_object_unref (priv->volume_monitor); priv->volume_monitor = NULL; } if (priv->connection != NULL) { dbus_g_connection_unref (priv->connection); priv->connection = NULL; } need_flush = FALSE; gdk_error_trap_push (); for (i = 0; i < HANDLED_KEYS; ++i) { if (keys[i].key) { need_flush = TRUE; grab_key_unsafe (keys[i].key, FALSE, priv->screens); g_free (keys[i].key->keycodes); g_free (keys[i].key); keys[i].key = NULL; } } if (need_flush) gdk_flush (); gdk_error_trap_pop_ignored (); g_slist_free (priv->screens); priv->screens = NULL; #ifdef HAVE_LIBMATEMIXER g_clear_object (&priv->stream); g_clear_object (&priv->control); g_clear_object (&priv->context); #endif if (priv->dialog != NULL) { gtk_widget_destroy (priv->dialog); priv->dialog = NULL; } for (l = priv->media_players; l; l = l->next) { MediaPlayer *mp = l->data; g_free (mp->application); g_free (mp); } g_list_free (priv->media_players); priv->media_players = NULL; } static void msd_media_keys_manager_class_init (MsdMediaKeysManagerClass *klass) { signals[MEDIA_PLAYER_KEY_PRESSED] = g_signal_new ("media-player-key-pressed", G_OBJECT_CLASS_TYPE (klass), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (MsdMediaKeysManagerClass, media_player_key_pressed), NULL, NULL, msd_marshal_VOID__STRING_STRING, G_TYPE_NONE, 2, G_TYPE_STRING, G_TYPE_STRING); dbus_g_object_type_install_info (MSD_TYPE_MEDIA_KEYS_MANAGER, &dbus_glib_msd_media_keys_manager_object_info); g_type_class_add_private (klass, sizeof (MsdMediaKeysManagerPrivate)); } static void msd_media_keys_manager_init (MsdMediaKeysManager *manager) { manager->priv = MSD_MEDIA_KEYS_MANAGER_GET_PRIVATE (manager); } static gboolean register_manager (MsdMediaKeysManager *manager) { GError *error = NULL; manager->priv->connection = dbus_g_bus_get (DBUS_BUS_SESSION, &error); if (manager->priv->connection == NULL) { if (error != NULL) { g_error ("Error getting session bus: %s", error->message); g_error_free (error); } return FALSE; } dbus_g_connection_register_g_object (manager->priv->connection, MSD_MEDIA_KEYS_DBUS_PATH, G_OBJECT (manager)); return TRUE; } MsdMediaKeysManager * msd_media_keys_manager_new (void) { if (manager_object != NULL) { g_object_ref (manager_object); } else { gboolean res; manager_object = g_object_new (MSD_TYPE_MEDIA_KEYS_MANAGER, NULL); g_object_add_weak_pointer (manager_object, (gpointer *) &manager_object); res = register_manager (manager_object); if (! res) { g_object_unref (manager_object); return NULL; } } return MSD_MEDIA_KEYS_MANAGER (manager_object); }