diff options
Diffstat (limited to 'plugins/media-keys/gsd-media-keys-manager.c')
| -rw-r--r-- | plugins/media-keys/gsd-media-keys-manager.c | 1373 |
1 files changed, 1373 insertions, 0 deletions
diff --git a/plugins/media-keys/gsd-media-keys-manager.c b/plugins/media-keys/gsd-media-keys-manager.c new file mode 100644 index 0000000..ae6383a --- /dev/null +++ b/plugins/media-keys/gsd-media-keys-manager.c @@ -0,0 +1,1373 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- + * + * Copyright (C) 2001-2003 Bastien Nocera <[email protected]> + * Copyright (C) 2006-2007 William Jon McCann <[email protected]> + * + * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + +#include "config.h" + +#include <sys/types.h> +#include <sys/wait.h> +#include <stdlib.h> +#include <stdio.h> +#include <unistd.h> +#include <string.h> +#include <errno.h> + +#include <locale.h> + +#include <glib.h> +#include <glib/gi18n.h> +#include <gdk/gdk.h> +#include <gdk/gdkx.h> +#include <gtk/gtk.h> +#include <mateconf/mateconf-client.h> + +#include <dbus/dbus-glib.h> +#include <dbus/dbus-glib-lowlevel.h> + +#include "mate-settings-profile.h" +#include "gsd-marshal.h" +#include "gsd-media-keys-manager.h" +#include "gsd-media-keys-manager-glue.h" + +#include "eggaccelerators.h" +#include "acme.h" +#include "gsd-media-keys-window.h" + +#ifdef HAVE_PULSE +#include <canberra-gtk.h> +#include "gvc-mixer-control.h" +#endif /* HAVE_PULSE */ + +#define GSD_DBUS_PATH "/org/mate/SettingsDaemon" +#define GSD_DBUS_NAME "org.mate.SettingsDaemon" +#define GSD_MEDIA_KEYS_DBUS_PATH GSD_DBUS_PATH "/MediaKeys" +#define GSD_MEDIA_KEYS_DBUS_NAME GSD_DBUS_NAME ".MediaKeys" + +#define TOUCHPAD_ENABLED_KEY "/desktop/mate/peripherals/touchpad/touchpad_enabled" + +#define VOLUME_STEP 6 /* percents for one volume button press */ +#define MAX_VOLUME 65536.0 + +#define GSD_MEDIA_KEYS_MANAGER_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GSD_TYPE_MEDIA_KEYS_MANAGER, GsdMediaKeysManagerPrivate)) + +typedef struct { + char *application; + guint32 time; +} MediaPlayer; + +struct GsdMediaKeysManagerPrivate +{ +#ifdef HAVE_PULSE + /* Volume bits */ + GvcMixerControl *volume; + GvcMixerStream *stream; +#endif /* HAVE_PULSE */ + GtkWidget *dialog; + MateConfClient *conf_client; + 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 gsd_media_keys_manager_class_init (GsdMediaKeysManagerClass *klass); +static void gsd_media_keys_manager_init (GsdMediaKeysManager *media_keys_manager); +static void gsd_media_keys_manager_finalize (GObject *object); + +G_DEFINE_TYPE (GsdMediaKeysManager, gsd_media_keys_manager, G_TYPE_OBJECT) + +static gpointer manager_object = NULL; + + +static void +init_screens (GsdMediaKeysManager *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 (GsdMediaKeysManager *manager) +{ + char *cmd_term; + char *cmd = NULL; + + cmd_term = mateconf_client_get_string (manager->priv->conf_client, + "/desktop/mate/applications/terminal/exec", NULL); + if ((cmd_term != NULL) && (strcmp (cmd_term, "") != 0)) { + char *cmd_args; + cmd_args = mateconf_client_get_string (manager->priv->conf_client, + "/desktop/mate/applications/terminal/exec_arg", NULL); + if ((cmd_args != NULL) && (strcmp (cmd_term, "") != 0)) { + cmd = g_strdup_printf ("%s %s -e", cmd_term, cmd_args); + } else { + cmd = g_strdup_printf ("%s -e", cmd_term); + } + + g_free (cmd_args); + } + + g_free (cmd_term); + + return cmd; +} + +static void +execute (GsdMediaKeysManager *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 (GsdMediaKeysManager *manager) +{ + if (manager->priv->dialog != NULL + && !gsd_osd_window_is_valid (GSD_OSD_WINDOW (manager->priv->dialog))) { + gtk_widget_destroy (manager->priv->dialog); + manager->priv->dialog = NULL; + } + + if (manager->priv->dialog == NULL) { + manager->priv->dialog = gsd_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 (MateConfClient *client, + guint id, + MateConfEntry *entry, + GsdMediaKeysManager *manager) +{ + int i; + gboolean need_flush = TRUE; + + g_return_if_fail (entry->key != NULL); + + gdk_error_trap_push (); + + /* Find the key that was modified */ + for (i = 0; i < HANDLED_KEYS; i++) { + if (strcmp (entry->key, keys[i].mateconf_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; + + tmp = mateconf_client_get_string (manager->priv->conf_client, + keys[i].mateconf_key, NULL); + + 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 (GsdMediaKeysManager *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; + + manager->priv->notify[i] = + mateconf_client_notify_add (manager->priv->conf_client, + keys[i].mateconf_key, + (MateConfClientNotifyFunc) update_kbd_cb, + manager, + NULL, + NULL); + + tmp = mateconf_client_get_string (manager->priv->conf_client, + keys[i].mateconf_key, + NULL); + + 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 (GsdMediaKeysManager *manager) +{ + int orig_w; + int orig_h; + int screen_w; + int screen_h; + int x; + int y; + 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); + + /* + * 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_size_request (manager->priv->dialog, &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; + gdk_display_get_pointer (gdk_screen_get_display (manager->priv->current_screen), + &pointer_screen, + &pointer_x, + &pointer_y, + NULL); + 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_unknown_action (GsdMediaKeysManager *manager, + const char *url) +{ + char *string; + + g_return_if_fail (url != NULL); + + string = mateconf_client_get_string (manager->priv->conf_client, + "/desktop/mate/url-handlers/unknown/command", + NULL); + + if ((string != NULL) && (strcmp (string, "") != 0)) { + char *cmd; + cmd = g_strdup_printf (string, url); + execute (manager, cmd, FALSE, FALSE); + g_free (cmd); + } + g_free (string); +} + +static void +do_help_action (GsdMediaKeysManager *manager) +{ + char *string; + + string = mateconf_client_get_string (manager->priv->conf_client, + "/desktop/mate/url-handlers/ghelp/command", + NULL); + + if ((string != NULL) && (strcmp (string, "") != 0)) { + char *cmd; + cmd = g_strdup_printf (string, ""); + execute (manager, cmd, FALSE, FALSE); + g_free (cmd); + } else { + do_unknown_action (manager, "ghelp:"); + } + + g_free (string); +} + +static void +do_mail_action (GsdMediaKeysManager *manager) +{ + char *string; + + string = mateconf_client_get_string (manager->priv->conf_client, + "/desktop/mate/url-handlers/mailto/command", + NULL); + + if ((string != NULL) && (strcmp (string, "") != 0)) { + char *cmd; + cmd = g_strdup_printf (string, ""); + execute (manager, + cmd, + FALSE, + mateconf_client_get_bool (manager->priv->conf_client, + "/desktop/mate/url-handlers/mailto/needs_terminal", NULL)); + g_free (cmd); + } + g_free (string); +} + +static void +do_media_action (GsdMediaKeysManager *manager) +{ + char *command; + + command = mateconf_client_get_string (manager->priv->conf_client, + "/desktop/mate/applications/media/exec", NULL); + if ((command != NULL) && (strcmp (command, "") != 0)) { + execute (manager, + command, + FALSE, + mateconf_client_get_bool (manager->priv->conf_client, + "/desktop/mate/applications/media/needs_term", NULL)); + } + g_free (command); +} + +static void +do_www_action (GsdMediaKeysManager *manager, + const char *url) +{ + char *string; + + string = mateconf_client_get_string (manager->priv->conf_client, + "/desktop/mate/url-handlers/http/command", + NULL); + + if ((string != NULL) && (strcmp (string, "") != 0)) { + gchar *cmd; + + if (url == NULL) { + cmd = g_strdup_printf (string, ""); + } else { + cmd = g_strdup_printf (string, url); + } + + execute (manager, + cmd, + FALSE, + mateconf_client_get_bool (manager->priv->conf_client, + "/desktop/mate/url-handlers/http/needs_terminal", NULL)); + g_free (cmd); + } else { + do_unknown_action (manager, url ? url : ""); + } + g_free (string); +} + +static void +do_exit_action (GsdMediaKeysManager *manager) +{ + execute (manager, "mate-session-save --shutdown-dialog", FALSE, FALSE); +} + +static void +do_eject_action_cb (GDrive *drive, + GAsyncResult *res, + GsdMediaKeysManager *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 (GsdMediaKeysManager *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); + gsd_media_keys_window_set_action_custom (GSD_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 (GsdMediaKeysManager *manager) +{ + MateConfClient *client = manager->priv->conf_client; + gboolean state = mateconf_client_get_bool (client, TOUCHPAD_ENABLED_KEY, NULL); + + dialog_init (manager); + gsd_media_keys_window_set_action_custom (GSD_MEDIA_KEYS_WINDOW (manager->priv->dialog), + (!state) ? "touchpad-enabled" : "touchpad-disabled", + FALSE); + dialog_show (manager); + + mateconf_client_set_bool (client, TOUCHPAD_ENABLED_KEY, !state, NULL); +} + +#ifdef HAVE_PULSE +static void +update_dialog (GsdMediaKeysManager *manager, + guint vol, + gboolean muted, + gboolean sound_changed) +{ + vol = (int) (100 * (double) vol / PA_VOLUME_NORM); + vol = CLAMP (vol, 0, 100); + + dialog_init (manager); + gsd_media_keys_window_set_volume_muted (GSD_MEDIA_KEYS_WINDOW (manager->priv->dialog), + muted); + gsd_media_keys_window_set_volume_level (GSD_MEDIA_KEYS_WINDOW (manager->priv->dialog), vol); + gsd_media_keys_window_set_action (GSD_MEDIA_KEYS_WINDOW (manager->priv->dialog), + GSD_MEDIA_KEYS_WINDOW_ACTION_VOLUME); + dialog_show (manager); + + 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_ID, "org.mate.VolumeControl", + NULL); +} + +static void +do_sound_action (GsdMediaKeysManager *manager, + int type) +{ + gboolean muted; + guint vol, norm_vol_step; + int vol_step; + gboolean sound_changed; + + if (manager->priv->stream == NULL) + return; + + vol_step = mateconf_client_get_int (manager->priv->conf_client, + MATECONF_MISC_DIR "/volume_step", + NULL); + + if (vol_step <= 0 || vol_step > 100) + vol_step = VOLUME_STEP; + + norm_vol_step = PA_VOLUME_NORM * vol_step / 100; + + /* FIXME: this is racy */ + vol = gvc_mixer_stream_get_volume (manager->priv->stream); + muted = gvc_mixer_stream_get_is_muted (manager->priv->stream); + sound_changed = FALSE; + + switch (type) { + case MUTE_KEY: + muted = !muted; + gvc_mixer_stream_change_is_muted (manager->priv->stream, muted); + sound_changed = TRUE; + break; + case VOLUME_DOWN_KEY: + if (!muted && (vol <= norm_vol_step)) { + muted = !muted; + vol = 0; + gvc_mixer_stream_change_is_muted (manager->priv->stream, muted); + if (gvc_mixer_stream_set_volume (manager->priv->stream, vol) != FALSE) { + gvc_mixer_stream_push_volume (manager->priv->stream); + sound_changed = TRUE; + } + } else if (!muted) { + vol = vol - norm_vol_step; + if (gvc_mixer_stream_set_volume (manager->priv->stream, vol) != FALSE) { + gvc_mixer_stream_push_volume (manager->priv->stream); + sound_changed = TRUE; + } + } + break; + case VOLUME_UP_KEY: + if (muted) { + muted = !muted; + if (vol == 0) { + vol = vol + norm_vol_step; + gvc_mixer_stream_change_is_muted (manager->priv->stream, muted); + if (gvc_mixer_stream_set_volume (manager->priv->stream, vol) != FALSE) { + gvc_mixer_stream_push_volume (manager->priv->stream); + sound_changed = TRUE; + } + } else { + gvc_mixer_stream_change_is_muted (manager->priv->stream, muted); + sound_changed = TRUE; + } + } else { + if (vol < MAX_VOLUME) { + if (vol + norm_vol_step >= MAX_VOLUME) { + vol = MAX_VOLUME; + } else { + vol = vol + norm_vol_step; + } + if (gvc_mixer_stream_set_volume (manager->priv->stream, vol) != FALSE) { + gvc_mixer_stream_push_volume (manager->priv->stream); + sound_changed = TRUE; + } + } + } + break; + } + + update_dialog (manager, vol, muted, sound_changed); +} + +static void +update_default_sink (GsdMediaKeysManager *manager) +{ + GvcMixerStream *stream; + + stream = gvc_mixer_control_get_default_sink (manager->priv->volume); + if (stream == manager->priv->stream) + return; + + if (manager->priv->stream != NULL) { + g_object_unref (manager->priv->stream); + manager->priv->stream = NULL; + } + + if (stream != NULL) { + manager->priv->stream = g_object_ref (stream); + } else { + g_warning ("Unable to get default sink"); + } +} + +static void +on_control_ready (GvcMixerControl *control, + GsdMediaKeysManager *manager) +{ + update_default_sink (manager); +} + +static void +on_control_default_sink_changed (GvcMixerControl *control, + guint id, + GsdMediaKeysManager *manager) +{ + update_default_sink (manager); +} + +#endif /* HAVE_PULSE */ + +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 +gsd_media_keys_manager_grab_media_player_keys (GsdMediaKeysManager *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 +gsd_media_keys_manager_release_media_player_keys (GsdMediaKeysManager *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 +gsd_media_player_key_pressed (GsdMediaKeysManager *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 (GsdMediaKeysManager *manager, + const char *key) +{ + return gsd_media_player_key_pressed (manager, key); +} + +static gboolean +do_action (GsdMediaKeysManager *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_PULSE + do_sound_action (manager, type); +#endif /* HAVE_PULSE */ + break; + case POWER_KEY: + do_exit_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_mail_action (manager); + 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_help_action (manager); + break; + case WWW_KEY: + do_www_action (manager, NULL); + break; + case MEDIA_KEY: + do_media_action (manager); + break; + case CALCULATOR_KEY: + execute (manager, "gcalctool", FALSE, FALSE); + break; + case PLAY_KEY: + return do_multimedia_player_action (manager, "Play"); + break; + case PAUSE_KEY: + return do_multimedia_player_action (manager, "Pause"); + break; + case STOP_KEY: + return do_multimedia_player_action (manager, "Stop"); + break; + case PREVIOUS_KEY: + return do_multimedia_player_action (manager, "Previous"); + break; + case NEXT_KEY: + return do_multimedia_player_action (manager, "Next"); + break; + default: + g_assert_not_reached (); + } + + return FALSE; +} + +static GdkScreen * +acme_get_screen_from_event (GsdMediaKeysManager *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, + GsdMediaKeysManager *manager) +{ + XEvent *xev = (XEvent *) xevent; + XAnyEvent *xany = (XAnyEvent *) xevent; + int i; + + /* verify we have a key event */ + if (xev->type != KeyPress && xev->type != KeyRelease) { + 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; + default: + if (xev->type != KeyRelease) { + return GDK_FILTER_CONTINUE; + } + } + + 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 (GsdMediaKeysManager *manager) +{ + GSList *l; + + g_debug ("Starting media_keys manager"); + mate_settings_profile_start (NULL); + manager->priv->volume_monitor = g_volume_monitor_get (); + manager->priv->conf_client = mateconf_client_get_default (); + + mateconf_client_add_dir (manager->priv->conf_client, + MATECONF_BINDING_DIR, + MATECONF_CLIENT_PRELOAD_ONELEVEL, + NULL); + + init_screens (manager); + init_kbd (manager); + + /* Start filtering the events */ + for (l = manager->priv->screens; l != NULL; l = l->next) { + mate_settings_profile_start ("gdk_window_add_filter"); + + g_debug ("adding key filter for screen: %d", + gdk_screen_get_number (l->data)); + + gdk_window_add_filter (gdk_screen_get_root_window (l->data), + (GdkFilterFunc)acme_filter_events, + manager); + mate_settings_profile_end ("gdk_window_add_filter"); + } + + mate_settings_profile_end (NULL); + + return FALSE; +} + +gboolean +gsd_media_keys_manager_start (GsdMediaKeysManager *manager, + GError **error) +{ + mate_settings_profile_start (NULL); + +#ifdef HAVE_PULSE + /* initialise Volume handler + * + * We do this one here to force checking gstreamer cache, etc. + * The rest (grabbing and setting the keys) can happen in an + * idle. + */ + mate_settings_profile_start ("gvc_mixer_control_new"); + + manager->priv->volume = gvc_mixer_control_new ("MATE Volume Control Media Keys"); + + g_signal_connect (manager->priv->volume, + "ready", + G_CALLBACK (on_control_ready), + manager); + g_signal_connect (manager->priv->volume, + "default-sink-changed", + G_CALLBACK (on_control_default_sink_changed), + manager); + + gvc_mixer_control_open (manager->priv->volume); + + mate_settings_profile_end ("gvc_mixer_control_new"); +#endif /* HAVE_PULSE */ + g_idle_add ((GSourceFunc) start_media_keys_idle_cb, manager); + + mate_settings_profile_end (NULL); + + return TRUE; +} + +void +gsd_media_keys_manager_stop (GsdMediaKeysManager *manager) +{ + GsdMediaKeysManagerPrivate *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->conf_client) { + mateconf_client_remove_dir (priv->conf_client, + MATECONF_BINDING_DIR, + NULL); + + for (i = 0; i < HANDLED_KEYS; ++i) { + if (priv->notify[i] != 0) { + mateconf_client_notify_remove (priv->conf_client, priv->notify[i]); + priv->notify[i] = 0; + } + } + + g_object_unref (priv->conf_client); + priv->conf_client = 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 (); + + g_slist_free (priv->screens); + priv->screens = NULL; + +#ifdef HAVE_PULSE + if (priv->stream) { + g_object_unref (priv->stream); + priv->stream = NULL; + } + + if (priv->volume) { + g_object_unref (priv->volume); + priv->volume = NULL; + } +#endif /* HAVE_PULSE */ + + 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 +gsd_media_keys_manager_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + GsdMediaKeysManager *self; + + self = GSD_MEDIA_KEYS_MANAGER (object); + + switch (prop_id) { + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +gsd_media_keys_manager_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + GsdMediaKeysManager *self; + + self = GSD_MEDIA_KEYS_MANAGER (object); + + switch (prop_id) { + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static GObject * +gsd_media_keys_manager_constructor (GType type, + guint n_construct_properties, + GObjectConstructParam *construct_properties) +{ + GsdMediaKeysManager *media_keys_manager; + GsdMediaKeysManagerClass *klass; + + klass = GSD_MEDIA_KEYS_MANAGER_CLASS (g_type_class_peek (GSD_TYPE_MEDIA_KEYS_MANAGER)); + + media_keys_manager = GSD_MEDIA_KEYS_MANAGER (G_OBJECT_CLASS (gsd_media_keys_manager_parent_class)->constructor (type, + n_construct_properties, + construct_properties)); + + return G_OBJECT (media_keys_manager); +} + +static void +gsd_media_keys_manager_dispose (GObject *object) +{ + GsdMediaKeysManager *media_keys_manager; + + media_keys_manager = GSD_MEDIA_KEYS_MANAGER (object); + + G_OBJECT_CLASS (gsd_media_keys_manager_parent_class)->dispose (object); +} + +static void +gsd_media_keys_manager_class_init (GsdMediaKeysManagerClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->get_property = gsd_media_keys_manager_get_property; + object_class->set_property = gsd_media_keys_manager_set_property; + object_class->constructor = gsd_media_keys_manager_constructor; + object_class->dispose = gsd_media_keys_manager_dispose; + object_class->finalize = gsd_media_keys_manager_finalize; + + signals[MEDIA_PLAYER_KEY_PRESSED] = + g_signal_new ("media-player-key-pressed", + G_OBJECT_CLASS_TYPE (klass), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (GsdMediaKeysManagerClass, media_player_key_pressed), + NULL, + NULL, + gsd_marshal_VOID__STRING_STRING, + G_TYPE_NONE, + 2, + G_TYPE_STRING, + G_TYPE_STRING); + + dbus_g_object_type_install_info (GSD_TYPE_MEDIA_KEYS_MANAGER, &dbus_glib_gsd_media_keys_manager_object_info); + + g_type_class_add_private (klass, sizeof (GsdMediaKeysManagerPrivate)); +} + +static void +gsd_media_keys_manager_init (GsdMediaKeysManager *manager) +{ + manager->priv = GSD_MEDIA_KEYS_MANAGER_GET_PRIVATE (manager); + +} + +static void +gsd_media_keys_manager_finalize (GObject *object) +{ + GsdMediaKeysManager *media_keys_manager; + + g_return_if_fail (object != NULL); + g_return_if_fail (GSD_IS_MEDIA_KEYS_MANAGER (object)); + + media_keys_manager = GSD_MEDIA_KEYS_MANAGER (object); + + g_return_if_fail (media_keys_manager->priv != NULL); + + G_OBJECT_CLASS (gsd_media_keys_manager_parent_class)->finalize (object); +} + +static gboolean +register_manager (GsdMediaKeysManager *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, GSD_MEDIA_KEYS_DBUS_PATH, G_OBJECT (manager)); + + return TRUE; +} + +GsdMediaKeysManager * +gsd_media_keys_manager_new (void) +{ + if (manager_object != NULL) { + g_object_ref (manager_object); + } else { + gboolean res; + + manager_object = g_object_new (GSD_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 GSD_MEDIA_KEYS_MANAGER (manager_object); +} |