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Diffstat (limited to 'src/dbus-menu-manager.c')
| -rw-r--r-- | src/dbus-menu-manager.c | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/src/dbus-menu-manager.c b/src/dbus-menu-manager.c new file mode 100644 index 0000000..652e6b2 --- /dev/null +++ b/src/dbus-menu-manager.c @@ -0,0 +1,230 @@ +/* +This service primarily controls PulseAudio and is driven by the sound indicator menu on the panel. +Copyright 2010 Canonical Ltd. + +Authors: + Conor Curran <conor.curran@canonical.com> + +This program is free software: you can redistribute it and/or modify it +under the terms of the GNU General Public License version 3, as published +by the Free Software Foundation. + +This program is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranties of +MERCHANTABILITY, SATISFACTORY QUALITY, 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, see <http://www.gnu.org/licenses/>. +*/ + +#include <dbus/dbus-glib.h> +#include <dbus/dbus-glib-bindings.h> + +#include <libdbusmenu-glib/server.h> +#include <libdbusmenu-glib/menuitem.h> +#include <libdbusmenu-glib/client.h> + +#include "dbus-menu-manager.h" +#include "sound-service-dbus.h" +#include "pulse-manager.h" +#include "slider-menu-item.h" + +#include "dbus-shared-names.h" + +// DBUS items +static DbusmenuMenuitem *root_menuitem = NULL; +static DbusmenuMenuitem *mute_all_menuitem = NULL; +static SliderMenuItem *volume_slider_menuitem = NULL; +static SoundServiceDbus *dbus_interface = NULL; + +// PULSEAUDIO +static gboolean b_sink_available = FALSE; +static gboolean b_all_muted = FALSE; +static gboolean b_pulse_ready = FALSE; +static gboolean b_startup = TRUE; +static gdouble volume_percent = 0.0; + +static void set_global_mute_from_ui(); +static gboolean idle_routine (gpointer data); +static void rebuild_sound_menu(DbusmenuMenuitem *root, SoundServiceDbus *service); +static void refresh_menu(); + +/*-------------------------------------------------------------------------*/ +// Public Methods +/*-------------------------------------------------------------------------*/ + +/** +setup: +**/ +void dbus_menu_manager_setup() +{ + root_menuitem = dbusmenu_menuitem_new(); + g_debug("Root ID: %d", dbusmenu_menuitem_get_id(root_menuitem)); + + g_idle_add(idle_routine, root_menuitem); + + dbus_interface = g_object_new(SOUND_SERVICE_DBUS_TYPE, NULL); + + DbusmenuServer *server = dbusmenu_server_new(INDICATOR_SOUND_DBUS_OBJECT); + dbusmenu_server_set_root(server, root_menuitem); + establish_pulse_activities(dbus_interface); +} + +/** +teardown: +**/ +void dbus_menu_manager_teardown() +{ + //TODO tidy up dbus_interface and items! +} + +/** +update_pa_state: +**/ +void dbus_menu_manager_update_pa_state(gboolean pa_state, gboolean sink_available, gboolean sink_muted, gdouble percent) +{ + b_sink_available = sink_available; + b_all_muted = sink_muted; + b_pulse_ready = pa_state; + volume_percent = percent; + g_debug("update pa state with state %i, availability of %i, mute value of %i and a volume percent is %f", pa_state, sink_available, sink_muted, volume_percent); + // Only rebuild the menu on start up... + if(b_startup == TRUE){ + rebuild_sound_menu(root_menuitem, dbus_interface); + b_startup = FALSE; + } + else{ + refresh_menu(); + } + // Emit the signals after the menus are setup/torn down + sound_service_dbus_update_sink_volume(dbus_interface, percent); + sound_service_dbus_update_sink_mute(dbus_interface, sink_muted); + dbus_menu_manager_update_mute_ui(b_all_muted); +} + +/** +update_mute_ui: +'public' method allowing the pa manager to update the mute menu item. +**/ +void dbus_menu_manager_update_mute_ui(gboolean incoming_mute_value) +{ + b_all_muted = incoming_mute_value; + dbusmenu_menuitem_property_set(mute_all_menuitem, + DBUSMENU_MENUITEM_PROP_LABEL, + (b_all_muted == FALSE ? "Mute All" : "Unmute")); + //dbusmenu_menuitem_property_set(mute_all_menuitem, DBUSMENU_MENUITEM_PROP_LABEL, (b_all_muted == FALSE ? _("Mute All") : _("Unmute"))); +} + + +/*-------------------------------------------------------------------------*/ +// Private Methods +/*-------------------------------------------------------------------------*/ + +static void refresh_menu() +{ + g_debug("in the refresh menu method"); + if(b_sink_available == FALSE || b_pulse_ready == FALSE) + { + + dbusmenu_menuitem_property_set_bool(DBUSMENU_MENUITEM(volume_slider_menuitem), + DBUSMENU_MENUITEM_PROP_ENABLED, + FALSE); + dbusmenu_menuitem_property_set_bool(DBUSMENU_MENUITEM(volume_slider_menuitem), + DBUSMENU_MENUITEM_PROP_VISIBLE, + FALSE); + dbusmenu_menuitem_property_set_bool(mute_all_menuitem, + DBUSMENU_MENUITEM_PROP_ENABLED, + FALSE); + + } + else if(b_sink_available == TRUE && b_pulse_ready == TRUE){ + + dbusmenu_menuitem_property_set_bool(DBUSMENU_MENUITEM(volume_slider_menuitem), + DBUSMENU_MENUITEM_PROP_ENABLED, + TRUE); + dbusmenu_menuitem_property_set_bool(DBUSMENU_MENUITEM(volume_slider_menuitem), + DBUSMENU_MENUITEM_PROP_VISIBLE, + TRUE); + dbusmenu_menuitem_property_set_bool(mute_all_menuitem, + DBUSMENU_MENUITEM_PROP_ENABLED, + TRUE); + } +} + + + +/** + +**/ +static gboolean idle_routine (gpointer data) +{ + return FALSE; +} + + + +/** +show_sound_settings_dialog: +Bring up the gnome volume preferences dialog +**/ +static void show_sound_settings_dialog (DbusmenuMenuitem *mi, gpointer user_data) +{ + GError * error = NULL; + if (!g_spawn_command_line_async("gnome-volume-control", &error)) + { + g_warning("Unable to show dialog: %s", error->message); + g_error_free(error); + } +} + +/** +rebuild_sound_menu: +Build the DBus menu items, mute/unmute, slider, separator and sound preferences 'link' +**/ +static void rebuild_sound_menu(DbusmenuMenuitem *root, SoundServiceDbus *service) +{ + // Mute button + mute_all_menuitem = dbusmenu_menuitem_new(); + dbusmenu_menuitem_property_set(mute_all_menuitem, DBUSMENU_MENUITEM_PROP_LABEL, (b_all_muted == FALSE ? "Mute All" : "Unmute")); + g_signal_connect(G_OBJECT(mute_all_menuitem), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(set_global_mute_from_ui), NULL); + dbusmenu_menuitem_property_set_bool(mute_all_menuitem, DBUSMENU_MENUITEM_PROP_ENABLED, b_sink_available); + + // Slider + volume_slider_menuitem = slider_menu_item_new(b_sink_available, volume_percent); + dbusmenu_menuitem_child_append(root, mute_all_menuitem); + dbusmenu_menuitem_child_append(root, DBUSMENU_MENUITEM(volume_slider_menuitem)); + dbusmenu_menuitem_property_set_bool(DBUSMENU_MENUITEM(volume_slider_menuitem), + DBUSMENU_MENUITEM_PROP_ENABLED, + b_sink_available); + dbusmenu_menuitem_property_set_bool(DBUSMENU_MENUITEM(volume_slider_menuitem), + DBUSMENU_MENUITEM_PROP_VISIBLE, + b_sink_available); + // Separator + DbusmenuMenuitem *separator = dbusmenu_menuitem_new(); + dbusmenu_menuitem_property_set(separator, DBUSMENU_MENUITEM_PROP_TYPE, DBUSMENU_CLIENT_TYPES_SEPARATOR); + dbusmenu_menuitem_child_append(root, separator); + + // Sound preferences dialog + DbusmenuMenuitem *settings_mi = dbusmenu_menuitem_new(); + dbusmenu_menuitem_property_set(settings_mi, DBUSMENU_MENUITEM_PROP_LABEL, + ("Sound Preferences...")); + dbusmenu_menuitem_child_append(root, settings_mi); + g_signal_connect(G_OBJECT(settings_mi), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, + G_CALLBACK(show_sound_settings_dialog), NULL); +} + +/** +set_global_mute_from_ui: +Callback for the dbusmenuitem button +**/ +static void set_global_mute_from_ui() +{ + b_all_muted = !b_all_muted; + toggle_global_mute(b_all_muted); + dbusmenu_menuitem_property_set(mute_all_menuitem, + DBUSMENU_MENUITEM_PROP_LABEL, + (b_all_muted == FALSE ? "Mute All" : "Unmute")); +} + + |