/* A small wrapper utility to load indicators and put them as menu items into the gnome-panel using it's applet interface. Copyright 2010 Canonical Ltd. Authors: Conor Curran Ted Gould 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 . */ #include #include #include #include #include #include #include #include #include #include #include "dbus-shared-names.h" #include "sound-service-client.h" #include "common-defs.h" #include "sound-service-marshal.h" // GObject Boiler plate #define INDICATOR_SOUND_TYPE (indicator_sound_get_type ()) #define INDICATOR_SOUND(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), INDICATOR_SOUND_TYPE, IndicatorSound)) #define INDICATOR_SOUND_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), INDICATOR_SOUND_TYPE, IndicatorSoundClass)) #define IS_INDICATOR_SOUND(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), INDICATOR_SOUND_TYPE)) #define IS_INDICATOR_SOUND_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), INDICATOR_SOUND_TYPE)) #define INDICATOR_SOUND_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), INDICATOR_SOUND_TYPE, IndicatorSoundClass)) typedef struct _IndicatorSound IndicatorSound; typedef struct _IndicatorSoundClass IndicatorSoundClass; //GObject class struct struct _IndicatorSoundClass { IndicatorObjectClass parent_class; }; //GObject instance struct struct _IndicatorSound { IndicatorObject parent; IndicatorServiceManager *service; }; // GObject Boiler plate GType indicator_sound_get_type (void); INDICATOR_SET_VERSION INDICATOR_SET_TYPE(INDICATOR_SOUND_TYPE) // GObject Boiler plate static void indicator_sound_class_init (IndicatorSoundClass *klass); static void indicator_sound_init (IndicatorSound *self); static void indicator_sound_dispose (GObject *object); static void indicator_sound_finalize (GObject *object); G_DEFINE_TYPE (IndicatorSound, indicator_sound, INDICATOR_OBJECT_TYPE); //GTK+ items static GtkLabel * get_label (IndicatorObject * io); static GtkImage * get_icon (IndicatorObject * io); static GtkMenu * get_menu (IndicatorObject * io); static GtkWidget *volume_slider = NULL; static gdouble input_value_from_across_the_dbus = 0.0; static GtkImage *speaker_image = NULL; static gboolean new_slider_item (DbusmenuMenuitem * newitem, DbusmenuMenuitem * parent, DbusmenuClient * client); static void slider_prop_change_cb (DbusmenuMenuitem * mi, gchar * prop, GValue * value, GtkWidget *widget); static gboolean slider_value_changed_event_cb(GtkRange *range, GtkScrollType scroll, double value, gpointer user_data); static void change_speaker_image(gdouble volume_percent); // DBUS communication static DBusGProxy *sound_dbus_proxy = NULL; static void connection_changed (IndicatorServiceManager * sm, gboolean connected, gpointer userdata); static void catch_signal(DBusGProxy * proxy, gint sink_index, gboolean value, gpointer userdata); static void indicator_sound_class_init (IndicatorSoundClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); object_class->dispose = indicator_sound_dispose; object_class->finalize = indicator_sound_finalize; IndicatorObjectClass *io_class = INDICATOR_OBJECT_CLASS(klass); io_class->get_label = get_label; io_class->get_image = get_icon; io_class->get_menu = get_menu; dbus_g_object_register_marshaller (_sound_service_marshal_VOID__INT_BOOLEAN, G_TYPE_NONE, G_TYPE_INT, G_TYPE_BOOLEAN, G_TYPE_INVALID); return; } static void indicator_sound_init (IndicatorSound *self) { /* Set good defaults */ self->service = NULL; /* Now let's fire these guys up. */ self->service = indicator_service_manager_new_version(INDICATOR_SOUND_DBUS_NAME, INDICATOR_SOUND_DBUS_VERSION); g_signal_connect(G_OBJECT(self->service), INDICATOR_SERVICE_MANAGER_SIGNAL_CONNECTION_CHANGE, G_CALLBACK(connection_changed), self); return; } static void connection_changed (IndicatorServiceManager * sm, gboolean connected, gpointer userdata) { if (connected) { if (sound_dbus_proxy == NULL) { GError * error = NULL; DBusGConnection * sbus = dbus_g_bus_get(DBUS_BUS_SESSION, NULL); sound_dbus_proxy = dbus_g_proxy_new_for_name_owner(sbus, INDICATOR_SOUND_DBUS_NAME, INDICATOR_SOUND_SERVICE_DBUS_OBJECT, INDICATOR_SOUND_SERVICE_DBUS_INTERFACE, &error); if (error != NULL) { g_warning("Unable to get status proxy: %s", error->message); g_error_free(error); } g_debug("about to connect to the signals"); dbus_g_proxy_add_signal(sound_dbus_proxy, SIGNAL_SINK_INPUT_WHILE_MUTED, G_TYPE_INT, G_TYPE_BOOLEAN, G_TYPE_INVALID); dbus_g_proxy_connect_signal(sound_dbus_proxy, SIGNAL_SINK_INPUT_WHILE_MUTED, G_CALLBACK(catch_signal), NULL, NULL); } } else { //TODO : will need to handle this scenario } return; } static void catch_signal_sink_input_while_muted(DBusGProxy * proxy, gint sink_index, gboolean value, gpointer userdata) { //gtk_image_set_from_icon_name(speaker_image, "audio-volume-muted-blocking-symbolic", GTK_ICON_SIZE_MENU); g_debug("signal caught - I don't believe it ! with index %i and value %i", sink_index, value); } static void indicator_sound_dispose (GObject *object) { IndicatorSound * self = INDICATOR_SOUND(object); if (self->service != NULL) { g_object_unref(G_OBJECT(self->service)); self->service = NULL; } G_OBJECT_CLASS (indicator_sound_parent_class)->dispose (object); return; } static void indicator_sound_finalize (GObject *object) { G_OBJECT_CLASS (indicator_sound_parent_class)->finalize (object); return; } static GtkLabel * get_label (IndicatorObject * io) { return NULL; } static GtkImage * get_icon (IndicatorObject * io) { speaker_image = GTK_IMAGE(gtk_image_new_from_icon_name("audio-volume-high", GTK_ICON_SIZE_MENU)); gtk_widget_show(GTK_WIDGET(speaker_image)); return speaker_image; } static void change_speaker_image(gdouble volume_percent) { if (volume_percent < 30.0 && volume_percent > 0){ gtk_image_set_from_icon_name(speaker_image, "audio-volume-low", GTK_ICON_SIZE_MENU); } else if(volume_percent < 70.0 && volume_percent > 30.0){ gtk_image_set_from_icon_name(speaker_image, "audio-volume-medium", GTK_ICON_SIZE_MENU); } else if(volume_percent > 70.0){ gtk_image_set_from_icon_name(speaker_image, "audio-volume-high", GTK_ICON_SIZE_MENU); } else if(volume_percent <= 0.0){ gtk_image_set_from_icon_name(speaker_image, "audio-volume-zero", GTK_ICON_SIZE_MENU); } } /* Indicator based function to get the menu for the whole applet. This starts up asking for the parts of the menu from the various services. */ static GtkMenu * get_menu (IndicatorObject * io) { DbusmenuGtkMenu *menu = dbusmenu_gtkmenu_new(INDICATOR_SOUND_DBUS_NAME, INDICATOR_SOUND_DBUS_OBJECT); DbusmenuGtkClient *client = dbusmenu_gtkmenu_get_client(menu); dbusmenu_client_add_type_handler(DBUSMENU_CLIENT(client), DBUSMENU_SLIDER_MENUITEM_TYPE, new_slider_item); return GTK_MENU(menu); } static gboolean new_slider_item(DbusmenuMenuitem * newitem, DbusmenuMenuitem * parent, DbusmenuClient * client) { g_return_val_if_fail(DBUSMENU_IS_MENUITEM(newitem), FALSE); g_return_val_if_fail(DBUSMENU_IS_GTKCLIENT(client), FALSE); volume_slider = ido_scale_menu_item_new_with_range ("Volume", 0, 100, 0.5); GtkMenuItem *menu_volume_slider = GTK_MENU_ITEM(volume_slider); dbusmenu_gtkclient_newitem_base(DBUSMENU_GTKCLIENT(client), newitem, menu_volume_slider, parent); g_signal_connect(G_OBJECT(newitem), DBUSMENU_MENUITEM_SIGNAL_PROPERTY_CHANGED, G_CALLBACK(slider_prop_change_cb), volume_slider); GtkWidget* slider = ido_scale_menu_item_get_scale((IdoScaleMenuItem*)volume_slider); GtkRange* range = (GtkRange*)slider; g_signal_connect(G_OBJECT(range), "change-value", G_CALLBACK(slider_value_changed_event_cb), newitem); return TRUE; } /* Whenever we have a property change on a DbusmenuMenuitem we need to be responsive to that. */ static void slider_prop_change_cb (DbusmenuMenuitem * mi, gchar * prop, GValue * value, GtkWidget *widget) { g_debug("slider_prop_change_cb "); g_debug("about to set the slider to %f", g_value_get_double(value)); GtkWidget* slider = ido_scale_menu_item_get_scale((IdoScaleMenuItem*)volume_slider); GtkRange* range = (GtkRange*)slider; gdouble level; level = gtk_range_get_fill_level(range); input_value_from_across_the_dbus = level; g_debug("the current level is %f", level); gtk_range_set_value(range, g_value_get_double(value)); return; } static gboolean slider_value_changed_event_cb(GtkRange *range, GtkScrollType scroll, double slider_value, gpointer user_data) { if(slider_value != input_value_from_across_the_dbus) { DbusmenuMenuitem *item = (DbusmenuMenuitem*)user_data; GValue value = {0}; g_value_init(&value, G_TYPE_DOUBLE); g_value_set_double(&value, slider_value); dbusmenu_menuitem_handle_event (item, "slider_change", &value, 0); change_speaker_image(slider_value); } return FALSE; }