merged weeks work plus incremented version in prep for 0.1.3 release

9 files changed, 277 insertions, 105 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
index 40a8fdd..73bb259 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -11,9 +11,7 @@ libsoundmenu_la_SOURCES = \
 	indicator-sound.h \
 	indicator-sound.c \
 	dbus-shared-names.h \
-    sound-service-client.h \
-    sound-service-marshal.c \
-    sound-service-marshal.h
+    sound-service-client.h 
 
 libsoundmenu_la_CFLAGS = $(APPLET_CFLAGS) -Wall -Werror
 libsoundmenu_la_LIBADD = $(APPLET_LIBS)
@@ -30,16 +28,6 @@ sound-service-client.h: $(srcdir)/sound-service.xml
 		--output=sound-service-client.h \
 		$(srcdir)/sound-service.xml
 
-sound-service-marshal.h: $(srcdir)/sound-service.list
-	glib-genmarshal --header \
-		--prefix=_sound_service_marshal $(srcdir)/sound-service.list \
-		> sound-service-marshal.h
-
-sound-service-marshal.c: $(srcdir)/sound-service.list
-	glib-genmarshal --body \
-		--prefix=_sound_service_marshal $(srcdir)/sound-service.list \
-		> sound-service-marshal.c
-
 
 #################
 # Session Stuff
@@ -74,9 +62,7 @@ sound-service-server.h: $(srcdir)/sound-service.xml
 ###############
 BUILT_SOURCES = \
 	sound-service-client.h \
-    sound-service-server.h \
-	sound-service-marshal.h \
-    sound-service-marshal.c
+    sound-service-server.h 
 
 EXTRA_DIST = \
     sound-service.xml \
diff --git a/src/common-defs.h b/src/common-defs.h
index 942e269..9be1da5 100644
--- a/src/common-defs.h
+++ b/src/common-defs.h
@@ -22,6 +22,7 @@ with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define SIGNAL_SINK_INPUT_WHILE_MUTED "SinkInputWhileMuted"
 #define SIGNAL_SINK_VOLUME_UPDATE "SinkVolumeUpdate"
 #define SIGNAL_SINK_MUTE_UPDATE "SinkMuteUpdate"
+#define SIGNAL_SINK_AVAILABLE_UPDATE "SinkAvailableUpdate"
 
 // DBUS items
 #define DBUSMENU_SLIDER_MENUITEM_TYPE          "x-canonical-ido-slider-item"
diff --git a/src/dbus-menu-manager.c b/src/dbus-menu-manager.c
index 17003df..64f7108 100644
--- a/src/dbus-menu-manager.c
+++ b/src/dbus-menu-manager.c
@@ -18,7 +18,6 @@ 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 <unistd.h>
 #include <glib/gi18n.h>
 
@@ -102,6 +101,8 @@ void dbus_menu_manager_update_pa_state(gboolean pa_state, gboolean sink_availabl
         refresh_menu();
     }
     // Emit the signals after the menus are setup/torn down
+    // preserve ordering !
+    sound_service_dbus_update_sink_availability(dbus_interface, sink_available); 
     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);
@@ -153,12 +154,18 @@ static void refresh_menu()
                                             DBUSMENU_MENUITEM_PROP_ENABLED,
                                             TRUE);        
     }
+/*    if(b_all_muted == TRUE){*/
+/*        dbusmenu_menuitem_property_set_bool(DBUSMENU_MENUITEM(volume_slider_menuitem), */
+/*                                            DBUSMENU_MENUITEM_PROP_ENABLED,*/
+/*                                            FALSE);   */
+/*    }*/
 }
 
 
 
 /**
-
+idle_routine:
+Something for glip mainloop to do when idle
 **/
 static gboolean idle_routine (gpointer data)
 {
@@ -199,7 +206,8 @@ static void rebuild_sound_menu(DbusmenuMenuitem *root, SoundServiceDbus *service
     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);       
+                                        b_sink_available && !b_all_muted);       
+    g_debug("!!!!!!**in the rebuild sound menu - slider active = %i", b_sink_available && !b_all_muted);
     dbusmenu_menuitem_property_set_bool(DBUSMENU_MENUITEM(volume_slider_menuitem),
                                         DBUSMENU_MENUITEM_PROP_VISIBLE,
                                         b_sink_available);   
@@ -210,8 +218,8 @@ static void rebuild_sound_menu(DbusmenuMenuitem *root, SoundServiceDbus *service
 
     // Sound preferences dialog
     DbusmenuMenuitem *settings_mi = dbusmenu_menuitem_new();
-    dbusmenu_menuitem_property_set(settings_mi, DBUSMENU_MENUITEM_PROP_LABEL,
-                                                                   _("Sound Preferences..."));
+    dbusmenu_menuitem_property_set(settings_mi, DBUSMENU_MENUITEM_PROP_LABEL, _("Sound Preferences..."));
+//_("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);
diff --git a/src/indicator-sound.c b/src/indicator-sound.c
index 3a6ae30..aecbe7a 100644
--- a/src/indicator-sound.c
+++ b/src/indicator-sound.c
@@ -5,7 +5,7 @@ into the gnome-panel using it's applet interface.
 Copyright 2010 Canonical Ltd.
 
 Authors:
-    Conor Curran <conor.curra@canonical.com>
+    Conor Curran <conor.curran@canonical.com>
     Ted Gould <ted@canonical.com>
 
 This program is free software: you can redistribute it and/or modify it 
@@ -34,6 +34,7 @@ with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <libindicator/indicator.h>
 #include <libindicator/indicator-object.h>
 #include <libindicator/indicator-service-manager.h>
+#include <libindicator/indicator-image-helper.h>
 
 #include "indicator-sound.h"
 #include "dbus-shared-names.h"
@@ -78,23 +79,27 @@ G_DEFINE_TYPE (IndicatorSound, indicator_sound, INDICATOR_OBJECT_TYPE);
 static GtkLabel * get_label (IndicatorObject * io);
 static GtkImage * get_icon (IndicatorObject * io);
 static GtkMenu * get_menu (IndicatorObject * io);
+
 //Slider related
 static GtkWidget *volume_slider = 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);
-// Alternative callback mechanism, may use this again once ido is updated.
-/*static gboolean user_change_value_event_cb(GtkRange *range, GtkScrollType scroll_type, gdouble input_value, gpointer  user_data);*/
+/*static void slider_prop_change_cb (DbusmenuMenuitem * mi, gchar * prop, GValue * value, GtkWidget *widget);*/
 static gboolean value_changed_event_cb(GtkRange *range, gpointer user_data);
 static gboolean key_press_cb(GtkWidget* widget, GdkEventKey* event, gpointer data);
+/*static void slider_size_allocate(GtkWidget  *widget, GtkAllocation *allocation, gpointer user_data);*/
+static void slider_grabbed(GtkWidget *widget, gpointer user_data);
+static void slider_released(GtkWidget *widget, gpointer user_data);
 
 // DBUS communication
 static DBusGProxy *sound_dbus_proxy = NULL;
 static void connection_changed (IndicatorServiceManager * sm, gboolean connected, gpointer userdata);
-/*static void catch_signal_sink_input_while_muted(DBusGProxy * proxy, gboolean value, gpointer userdata);*/
+static void catch_signal_sink_input_while_muted(DBusGProxy * proxy, gboolean value, gpointer userdata);
 static void catch_signal_sink_volume_update(DBusGProxy * proxy, gdouble volume_percent, gpointer userdata); 
 static void catch_signal_sink_mute_update(DBusGProxy *proxy, gboolean mute_value, gpointer userdata);
+static void catch_signal_sink_availability_update(DBusGProxy *proxy, gboolean available_value, gpointer userdata);
 static void fetch_volume_percent_from_dbus();
 static void fetch_mute_value_from_dbus();
+static void fetch_sink_availability_from_dbus();
 
 /****Volume States 'members' ***/
 static void update_state(const gint state);
@@ -109,11 +114,21 @@ static const gint STATE_SINKS_NONE = 6;
 
 static GHashTable *volume_states = NULL;
 static GtkImage *speaker_image = NULL;
-static GtkWidget* primary_image = NULL;
 static gint current_state = 0;
 static gint previous_state = 0;
+
 static gdouble initial_volume_percent = 0;
 static gboolean initial_mute = FALSE;
+static gboolean device_available = TRUE;
+static gboolean slider_in_direct_use = FALSE;
+
+#define DESIGN_TEAM_SIZE  design_team_size
+static GtkIconSize design_team_size;
+static gint animation_id;
+static GList * blocked_animation_list = NULL;
+static GList * blocked_iter = NULL;
+static void prepare_blocked_animation();
+static gboolean fade_back_to_mute_image();
 
 // Construction
 static void
@@ -128,23 +143,20 @@ indicator_sound_class_init (IndicatorSoundClass *klass)
 	io_class->get_label = get_label;
 	io_class->get_image = get_icon;
 	io_class->get_menu = get_menu;
+    
+    design_team_size = gtk_icon_size_register("design-team-size", 22, 22);
 
-/*    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);
     prepare_state_machine();
+    prepare_blocked_animation();
+    animation_id = 0;
     return;
 }
 
@@ -158,6 +170,8 @@ indicator_sound_dispose (GObject *object)
 		self->service = NULL;
 	}
     g_hash_table_destroy(volume_states);
+    g_list_foreach (blocked_animation_list, (GFunc)g_object_unref, NULL);
+    g_list_free(blocked_animation_list);
 	G_OBJECT_CLASS (indicator_sound_parent_class)->dispose (object);
 	return;
 }
@@ -180,7 +194,7 @@ get_icon (IndicatorObject * io)
 {
     gchar* current_name = g_hash_table_lookup(volume_states, GINT_TO_POINTER(current_state));
     //g_debug("At start-up attempting to set the image to %s", current_name);
-	speaker_image = GTK_IMAGE(gtk_image_new_from_icon_name(current_name, GTK_ICON_SIZE_MENU));
+	speaker_image = indicator_image_helper(current_name);
 	gtk_widget_show(GTK_WIDGET(speaker_image));
 	return speaker_image;
 }
@@ -197,10 +211,10 @@ get_menu (IndicatorObject * io)
 
     // register Key-press listening on the menu widget as the slider does not allow this.
     g_signal_connect(menu, "key-press-event", G_CALLBACK(key_press_cb), NULL);         
-
     return GTK_MENU(menu);
 }
 
+
 /**
 new_slider_item:
 Create a new dBusMenu Slider item.
@@ -216,20 +230,27 @@ static gboolean new_slider_item(DbusmenuMenuitem * newitem, DbusmenuMenuitem * p
     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);
     
     // register slider changes listening on the range
     GtkWidget* slider = ido_scale_menu_item_get_scale((IdoScaleMenuItem*)volume_slider);  
-    g_signal_connect(slider, "value-changed", G_CALLBACK(value_changed_event_cb), newitem);     
-    // alternative callback mechanism which i could use again at some point.
-/*    g_signal_connect(slider, "change-value", G_CALLBACK(user_change_value_event_cb), newitem);     */
-    
+
+    g_signal_connect(slider, "value-changed", G_CALLBACK(value_changed_event_cb), newitem);
+    g_signal_connect(volume_slider, "slider-grabbed", G_CALLBACK(slider_grabbed), NULL);
+    g_signal_connect(volume_slider, "slider-released", G_CALLBACK(slider_released), NULL);    
+/*    g_signal_connect(slider, "size-allocate", G_CALLBACK(slider_size_allocate), NULL);*/
+
     // Set images on the ido
-    primary_image = ido_scale_menu_item_get_primary_image((IdoScaleMenuItem*)volume_slider);    
-    gtk_image_set_from_icon_name(GTK_IMAGE(primary_image), g_hash_table_lookup(volume_states, GINT_TO_POINTER(STATE_ZERO)), GTK_ICON_SIZE_MENU);
-    GtkWidget* secondary_image = ido_scale_menu_item_get_secondary_image((IdoScaleMenuItem*)volume_slider);                 
-    gtk_image_set_from_icon_name(GTK_IMAGE(secondary_image), g_hash_table_lookup(volume_states, GINT_TO_POINTER(STATE_HIGH)), GTK_ICON_SIZE_MENU);
+    GtkWidget* primary_image = ido_scale_menu_item_get_primary_image((IdoScaleMenuItem*)volume_slider);        
+	GIcon * primary_gicon = g_themed_icon_new_with_default_fallbacks(g_hash_table_lookup(volume_states, GINT_TO_POINTER(STATE_ZERO)));
+    gtk_image_set_from_gicon(GTK_IMAGE(primary_image), primary_gicon, GTK_ICON_SIZE_MENU);
+	g_object_unref(primary_gicon);
 
+    GtkWidget* secondary_image = ido_scale_menu_item_get_secondary_image((IdoScaleMenuItem*)volume_slider);                     
+	GIcon * secondary_gicon = g_themed_icon_new_with_default_fallbacks(g_hash_table_lookup(volume_states, GINT_TO_POINTER(STATE_HIGH)));
+    gtk_image_set_from_gicon(GTK_IMAGE(secondary_image), secondary_gicon, GTK_ICON_SIZE_MENU);
+	g_object_unref(secondary_gicon);
+
+    gtk_widget_set_sensitive(volume_slider, !initial_mute);
     gtk_widget_show_all(volume_slider);
 
 	return TRUE;
@@ -258,16 +279,19 @@ connection_changed (IndicatorServiceManager * sm, gboolean connected, gpointer u
             g_debug("about to connect to the signals");
 			dbus_g_proxy_add_signal(sound_dbus_proxy, SIGNAL_SINK_INPUT_WHILE_MUTED, G_TYPE_BOOLEAN, G_TYPE_INVALID);
 
-/*			dbus_g_proxy_connect_signal(sound_dbus_proxy, SIGNAL_SINK_INPUT_WHILE_MUTED, G_CALLBACK(catch_signal_sink_input_while_muted), NULL, NULL);*/
+			dbus_g_proxy_connect_signal(sound_dbus_proxy, SIGNAL_SINK_INPUT_WHILE_MUTED, G_CALLBACK(catch_signal_sink_input_while_muted), NULL, NULL);
 			dbus_g_proxy_add_signal(sound_dbus_proxy, SIGNAL_SINK_VOLUME_UPDATE, G_TYPE_DOUBLE, G_TYPE_INVALID);
 			dbus_g_proxy_connect_signal(sound_dbus_proxy, SIGNAL_SINK_VOLUME_UPDATE, G_CALLBACK(catch_signal_sink_volume_update), NULL, NULL);
 			dbus_g_proxy_add_signal(sound_dbus_proxy, SIGNAL_SINK_MUTE_UPDATE, G_TYPE_BOOLEAN, G_TYPE_INVALID);
 			dbus_g_proxy_connect_signal(sound_dbus_proxy, SIGNAL_SINK_MUTE_UPDATE, G_CALLBACK(catch_signal_sink_mute_update), NULL, NULL);
+			dbus_g_proxy_add_signal(sound_dbus_proxy, SIGNAL_SINK_AVAILABLE_UPDATE, G_TYPE_BOOLEAN, G_TYPE_INVALID);
+			dbus_g_proxy_connect_signal(sound_dbus_proxy, SIGNAL_SINK_AVAILABLE_UPDATE, G_CALLBACK(catch_signal_sink_availability_update), NULL, NULL);
 
             // Ensure we are in a coherent state with the service at start up.
             // Preserve ordering!
             fetch_volume_percent_from_dbus();
             fetch_mute_value_from_dbus();
+            fetch_sink_availability_from_dbus();
 		}
 
 	} else {
@@ -277,15 +301,11 @@ connection_changed (IndicatorServiceManager * sm, gboolean connected, gpointer u
 	return;
 }
 
-
-
-
 /*
 Prepare states Array.
 */
 void prepare_state_machine()
 {
-    // TODO we need three more images
     volume_states = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL, g_free);
     g_hash_table_insert(volume_states, GINT_TO_POINTER(STATE_MUTED), g_strdup("audio-volume-muted-panel"));
     g_hash_table_insert(volume_states, GINT_TO_POINTER(STATE_ZERO), g_strdup("audio-volume-low-zero-panel"));
@@ -296,6 +316,52 @@ void prepare_state_machine()
     g_hash_table_insert(volume_states, GINT_TO_POINTER(STATE_SINKS_NONE), g_strdup("audio-output-none-panel"));
 }
 
+/*
+prepare_blocked_animation:
+Prepares the array of images to be used in the blocked animation.
+Only called at startup.
+*/
+static void prepare_blocked_animation()
+{
+    GError* error= NULL;
+    int i;
+
+    gchar* blocked_name = g_hash_table_lookup(volume_states, GINT_TO_POINTER(STATE_MUTED_WHILE_INPUT));
+    gchar* muted_name = g_hash_table_lookup(volume_states, GINT_TO_POINTER(STATE_MUTED));
+    GtkIconTheme* theme = gtk_icon_theme_get_default();        
+    GdkPixbuf* mute_buf = gtk_icon_theme_load_icon(theme, 
+                                                    muted_name,
+                                                    22,
+                                                    GTK_ICON_LOOKUP_GENERIC_FALLBACK,
+                                                    &error);
+    if(error != NULL){
+	    g_error("indicator-sound : prepare_blocked_animation - %s", error->message);
+	    g_error_free(error);
+	    return;
+    }        
+
+    GdkPixbuf* blocked_buf = gtk_icon_theme_load_icon(theme, blocked_name,
+                                                      22,
+                                                      GTK_ICON_LOOKUP_GENERIC_FALLBACK,
+                                                      &error);
+    if(error != NULL){
+	    g_error("indicator-sound : prepare_blocked_animation - %s", error->message);
+	    g_error_free(error);
+	    return;
+    }      
+    // sample 22 snapshots - range : 0-256
+    for(i = 0; i < 23; i++)
+    {        
+        gdk_pixbuf_composite(mute_buf, blocked_buf, 0, 0,
+                             gdk_pixbuf_get_width(mute_buf),
+                             gdk_pixbuf_get_height(mute_buf), 
+                             0, 0, 1, 1, GDK_INTERP_BILINEAR, MIN(255, i * 11));
+        g_debug("creating blocking animation - alpha value = %i", MIN(255, i * 11));
+        blocked_animation_list = g_list_append(blocked_animation_list, gdk_pixbuf_copy(blocked_buf));
+    }   
+}
+
+
 gint get_state()
 {
     return current_state;
@@ -327,14 +393,17 @@ static void update_state(const gint state)
 
     current_state = state;
     gchar* image_name = g_hash_table_lookup(volume_states, GINT_TO_POINTER(current_state));
-    gtk_image_set_from_icon_name(speaker_image, image_name, GTK_ICON_SIZE_MENU);
+	GtkImage * tempimage = indicator_image_helper(image_name);
+    gtk_image_set_from_pixbuf(speaker_image, gtk_image_get_pixbuf(tempimage));
+	g_object_ref_sink(tempimage);
 }
 
 
 void determine_state_from_volume(gdouble volume_percent)
 {
 /*    g_debug("determine_state_from_volume - previous_state = %i", previous_state);*/
-
+    if (device_available == FALSE)
+        return;
     gint state = previous_state;
     if (volume_percent < 30.0 && volume_percent > 0){
         state = STATE_LOW;
@@ -352,6 +421,25 @@ void determine_state_from_volume(gdouble volume_percent)
 }
  
 
+static void fetch_sink_availability_from_dbus()
+{
+    GError * error = NULL;
+    gboolean * available_input; 
+    available_input = g_new0(gboolean, 1);
+    org_ayatana_indicator_sound_get_sink_availability(sound_dbus_proxy, available_input, &error);
+    if (error != NULL) {
+	    g_warning("Unable to fetch AVAILABILITY at indicator start up: %s", error->message);
+	    g_error_free(error);
+        g_free(available_input);
+        return;
+    }
+    device_available = *available_input;
+    if (device_available == FALSE)
+        update_state(STATE_SINKS_NONE);
+    g_free(available_input);
+    g_debug("IndicatorSound::fetch_sink_availability_from_dbus -> AVAILABILTY returned from dbus method is %i", device_available);
+
+}
 
 static void fetch_volume_percent_from_dbus()
 {
@@ -390,48 +478,80 @@ static void fetch_mute_value_from_dbus()
     g_debug("at the indicator start up and the MUTE returned from dbus method is %i", initial_mute);
 }
 
-/*static void catch_signal_sink_input_while_muted(DBusGProxy * proxy, gboolean block_value, gpointer userdata)*/
-/*{*/
-/*    g_debug("signal caught - sink input while muted with value %i", block_value);*/
-/*}*/
+static void catch_signal_sink_input_while_muted(DBusGProxy * proxy, gboolean block_value, gpointer userdata)
+{
+    g_debug("signal caught - sink input while muted with value %i", block_value);
+    if (block_value == 1 && animation_id == 0 ) {
+        // We can assume we are in the muted state !
+        gchar* image_name = g_hash_table_lookup(volume_states, GINT_TO_POINTER(STATE_MUTED_WHILE_INPUT));
+    	GtkImage * tempimage = indicator_image_helper(image_name);
+        gtk_image_set_from_pixbuf(speaker_image, gtk_image_get_pixbuf(tempimage));
+	    g_object_ref_sink(tempimage);
+
+        blocked_iter = blocked_animation_list;
+        animation_id = g_timeout_add_seconds(1, fade_back_to_mute_image, NULL);
+    }  
+}
+     
+static gboolean fade_back_to_mute_image()
+{
+    if(blocked_iter != NULL)
+    {
+        g_debug("in animation 'loop'\n");
+        gtk_image_set_from_pixbuf(speaker_image, blocked_iter->data);
+        blocked_iter = blocked_iter->next;                  
+        return TRUE;
+    }
+    else{
+        animation_id = 0;
+        g_debug("exit from animation\n");
+        return FALSE;
+    }
+}
 
 static void catch_signal_sink_volume_update(DBusGProxy *proxy, gdouble volume_percent, gpointer userdata)
 {
-    GtkWidget *slider = ido_scale_menu_item_get_scale((IdoScaleMenuItem*)volume_slider);
-    GtkRange *range = (GtkRange*)slider;   
-    
-    // DEBUG
-    gdouble current_value = gtk_range_get_value(range);
-    g_debug("SIGNAL- update sink volume - current_value : %f and new value : %f", current_value, volume_percent);
-    gtk_range_set_value(range, volume_percent); 
-    determine_state_from_volume(volume_percent);
+    if (slider_in_direct_use != TRUE){
+        GtkWidget *slider = ido_scale_menu_item_get_scale((IdoScaleMenuItem*)volume_slider);
+        GtkRange *range = (GtkRange*)slider;   
+        
+        // DEBUG
+        gdouble current_value = gtk_range_get_value(range);
+        g_debug("SIGNAL- update sink volume - current_value : %f and new value : %f", current_value, volume_percent);
+        gtk_range_set_value(range, volume_percent); 
+        determine_state_from_volume(volume_percent);
+    }
 }
 
 static void catch_signal_sink_mute_update(DBusGProxy *proxy, gboolean mute_value, gpointer userdata)
 {
     //We can be sure the service won't send a mute signal unless it has changed !
     //UNMUTE's force a volume update therefore icon is updated appropriately => no need for unmute handling here.
-    if(mute_value == TRUE)
+    if(mute_value == TRUE && device_available != FALSE)
     {
         update_state(STATE_MUTED);
     }
+    else{
+        if(animation_id != 0){
+            g_debug("about to remove the animation_id callback from the mainloop!!**");
+            g_source_remove(animation_id);
+            animation_id = 0;
+        }
+    }
     g_debug("signal caught - sink mute update with mute value: %i", mute_value);
     gtk_widget_set_sensitive(volume_slider, !mute_value);
 }
-/**
-slider_prop_change_cb:
-Whenever we have a property change on a DbusmenuMenuitem this will be called. 
-**/
-static void slider_prop_change_cb (DbusmenuMenuitem * mi, gchar * prop, GValue * value, GtkWidget *widget)
+
+static void catch_signal_sink_availability_update(DBusGProxy *proxy, gboolean available_value, gpointer userdata)
 {
-    g_debug("slider_prop_change_cb - dodgy updater ");
-    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;       
-    gtk_range_set_value(range, g_value_get_double(value));  
-	return;
+    device_available  = available_value;
+    if (device_available == FALSE){
+        update_state(STATE_SINKS_NONE);
+    }
+    g_debug("signal caught - sink availability update with  value: %i", available_value);
 }
 
+
 /**
 value_changed_event_cb:
 This callback will get triggered irregardless of whether its a user change or a programmatic change.
@@ -451,6 +571,35 @@ static gboolean value_changed_event_cb(GtkRange *range, gpointer user_data)
     return FALSE;
 }
 
+
+static void slider_grabbed (GtkWidget *widget, gpointer user_data)
+{
+    slider_in_direct_use = TRUE;
+    g_debug ("!!!!!!  grabbed\n");
+}
+
+static void slider_released (GtkWidget *widget, gpointer user_data)
+{
+    slider_in_direct_use = FALSE;
+    g_debug ("!!!!!! released\n");
+}
+
+
+/**
+slider_size_allocate:
+Callback on the size-allocate event on the slider item.
+**/
+/*static void slider_size_allocate(GtkWidget  *widget,*/
+/*                                 GtkAllocation *allocation, */
+/*                                 gpointer user_data)*/
+/*{*/
+/*    g_print("Size allocate on slider (%dx%d)\n", allocation->width, allocation->height);*/
+/*    if(allocation->width < 200){*/
+/*        g_print("Attempting to resize the slider");*/
+/*        gtk_widget_set_size_request(widget, 200, -1);    */
+/*    }*/
+/*}*/
+
 /**
 key_press_cb:
 **/
@@ -514,22 +663,4 @@ static gboolean key_press_cb(GtkWidget* widget, GdkEventKey* event, gpointer dat
     return digested;
 }
 
-/**
-This callback should only be called when the user actually drags the slider.
-Turned off for now in favour of the non descriminating value-changed call back.
-Once the grabbing listener is implemented on the slider may revert to using this.
-Its another tool for filtering unwanted volume change updates.
-**/
-/*static gboolean user_change_value_event_cb(GtkRange *range, GtkScrollType scroll_type, gdouble input_value, gpointer  user_data)*/
-/*{*/
-/*    DbusmenuMenuitem *item = (DbusmenuMenuitem*)user_data;*/
-/*    gdouble clamped_input = CLAMP(input_value, 0, 100);*/
-/*    GValue value = {0};*/
-/*    g_debug("User input on SLIDER - = %f", clamped_input);*/
-/*    g_value_init(&value, G_TYPE_DOUBLE);*/
-/*    g_value_set_double(&value, clamped_input);*/
-/*    dbusmenu_menuitem_handle_event (item, "slider_change", &value, 0);*/
-/*    return FALSE;  */
-/*} */
-
 
diff --git a/src/pulse-manager.c b/src/pulse-manager.c
index 36e6351..40add4e 100644
--- a/src/pulse-manager.c
+++ b/src/pulse-manager.c
@@ -282,7 +282,7 @@ static void pulse_sink_info_callback(pa_context *c, const pa_sink_info *sink, in
         else{
             //Update the indicator to show PA either is not ready or has no available sink
             g_warning("Cannot find a suitable default sink ...");
-            dbus_menu_manager_update_pa_state(FALSE, device_available, TRUE, 0); 
+            dbus_menu_manager_update_pa_state(FALSE, device_available, default_sink_is_muted(), get_default_sink_volume()); 
         }
     }
     else{
@@ -398,6 +398,7 @@ static void update_sink_info(pa_context *c, const pa_sink_info *info, int eol, v
     }
     else
     {
+
         sink_info *value;
         value = g_new0(sink_info, 1);
         value->index = value->device_index = info->index;
@@ -411,7 +412,8 @@ static void update_sink_info(pa_context *c, const pa_sink_info *info, int eol, v
         value->channel_map = info->channel_map;
         g_hash_table_insert(sink_hash, GINT_TO_POINTER(value->index), value);
         g_debug("pulse-manager:update_sink_info -> After adding a new sink to our hash");
-   }    
+        sound_service_dbus_update_sink_availability(dbus_service, TRUE);    
+   } 
 }
 
 
@@ -460,8 +462,11 @@ static void subscribed_events_callback(pa_context *c, enum pa_subscription_event
 			g_debug("PA_SUBSCRIPTION_EVENT_SINK event triggered");            
             if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE) 
             {
-                //TODO handle the remove event => if its our default sink - update date pa state
-            } else 
+                if(index == DEFAULT_SINK_INDEX)
+                    g_debug("PA_SUBSCRIPTION_EVENT_SINK REMOVAL event triggered");  
+                    sound_service_dbus_update_sink_availability(dbus_service, FALSE);    
+            } 
+            else 
             {
                 pa_operation_unref(pa_context_get_sink_info_by_index(c, index, update_sink_info, userdata));
             }            
@@ -470,7 +475,7 @@ static void subscribed_events_callback(pa_context *c, enum pa_subscription_event
 			g_debug("PA_SUBSCRIPTION_EVENT_SINK_INPUT event triggered!!");
             if ((t & PA_SUBSCRIPTION_EVENT_TYPE_MASK) == PA_SUBSCRIPTION_EVENT_REMOVE)
             {
-                //TODO handle the remove event
+                //handle the remove event - not relevant for current design
             }            
             else 
             {			
diff --git a/src/slider-menu-item.c b/src/slider-menu-item.c
index ef3b1fa..a14f4f9 100644
--- a/src/slider-menu-item.c
+++ b/src/slider-menu-item.c
@@ -92,6 +92,7 @@ SliderMenuItem* slider_menu_item_new(gboolean sinks_available, gdouble start_vol
 	SliderMenuItem *self = g_object_new(SLIDER_MENU_ITEM_TYPE, NULL);
     dbusmenu_menuitem_property_set(DBUSMENU_MENUITEM(self), DBUSMENU_MENUITEM_PROP_TYPE, DBUSMENU_SLIDER_MENUITEM_TYPE);
     dbusmenu_menuitem_property_set_bool(DBUSMENU_MENUITEM(self), DBUSMENU_MENUITEM_PROP_ENABLED, sinks_available);
+    dbusmenu_menuitem_property_set_bool(DBUSMENU_MENUITEM(self), DBUSMENU_MENUITEM_PROP_VISIBLE, sinks_available);
 	return self;
 }
 
diff --git a/src/sound-service-dbus.c b/src/sound-service-dbus.c
index 72337fd..1cc5f0d 100644
--- a/src/sound-service-dbus.c
+++ b/src/sound-service-dbus.c
@@ -32,6 +32,7 @@
 // DBUS methods 
 static gboolean sound_service_dbus_get_sink_volume(SoundServiceDbus* service, gdouble* volume_percent_input, GError** gerror);
 static gboolean sound_service_dbus_get_sink_mute(SoundServiceDbus* service, gboolean* mute_input, GError** gerror);
+static gboolean sound_service_dbus_get_sink_availability(SoundServiceDbus* service, gboolean* availability_input, GError** gerror);
 static void sound_service_dbus_set_sink_volume(SoundServiceDbus* service, const guint volume_percent, GError** gerror);
 
 #include "sound-service-server.h"
@@ -43,6 +44,7 @@ struct _SoundServiceDbusPrivate
     DBusGConnection *connection;
     gdouble         volume_percent;
     gboolean        mute;
+    gboolean        sink_availability;
 };
 
 
@@ -51,6 +53,7 @@ enum {
   SINK_INPUT_WHILE_MUTED,
   SINK_VOLUME_UPDATE,
   SINK_MUTE_UPDATE,
+  SINK_AVAILABLE_UPDATE,
   LAST_SIGNAL
 };
 
@@ -105,6 +108,15 @@ sound_service_dbus_class_init (SoundServiceDbusClass *klass)
                                                     NULL, NULL,
                                                     g_cclosure_marshal_VOID__BOOLEAN,
                                                     G_TYPE_NONE, 1, G_TYPE_BOOLEAN);
+    signals[SINK_AVAILABLE_UPDATE] =  g_signal_new("sink-available-update",
+                                                    G_TYPE_FROM_CLASS (klass),
+                                                    G_SIGNAL_RUN_LAST,
+                                                    0,
+                                                    NULL, NULL,
+                                                    g_cclosure_marshal_VOID__BOOLEAN,
+                                                    G_TYPE_NONE, 1, G_TYPE_BOOLEAN);
+
+
 
 }
 
@@ -116,6 +128,8 @@ sound_service_dbus_init (SoundServiceDbus *self)
 
 	priv->connection = NULL;
     priv->volume_percent = 0;
+    priv->mute = FALSE;
+    priv->sink_availability = FALSE;
 
 	/* Fetch the session bus */
 	priv->connection = dbus_g_bus_get(DBUS_BUS_SESSION, &error);
@@ -129,8 +143,6 @@ sound_service_dbus_init (SoundServiceDbus *self)
 	dbus_g_connection_register_g_object(priv->connection,
 	                                    "/org/ayatana/indicator/sound/service",
 	                                    G_OBJECT(self));
-
-    return;
 }
 
 
@@ -174,6 +186,14 @@ static gboolean sound_service_dbus_get_sink_mute (SoundServiceDbus *self, gboole
     return TRUE;
 }
 
+static gboolean sound_service_dbus_get_sink_availability (SoundServiceDbus *self, gboolean *availability_input, GError** gerror)
+{
+    SoundServiceDbusPrivate *priv = SOUND_SERVICE_DBUS_GET_PRIVATE (self);
+    g_debug("Get sink availability - sound service dbus!, about to send over availability_value of  %i", priv->sink_availability);
+    *availability_input = priv->sink_availability;
+    return TRUE;
+}
+
 /**
 SIGNALS
 Utility methods to emit signals from the service into the ether.
@@ -212,5 +232,18 @@ void sound_service_dbus_update_sink_mute(SoundServiceDbus* obj, gboolean sink_mu
                 priv->mute);
 }
 
+void sound_service_dbus_update_sink_availability(SoundServiceDbus* obj, gboolean sink_availability)
+{
+    g_debug("Emitting signal: SINK_AVAILABILITY_UPDATE, with value %i", sink_availability);
+
+    SoundServiceDbusPrivate *priv = SOUND_SERVICE_DBUS_GET_PRIVATE (obj);
+    priv->sink_availability = sink_availability;            
+
+    g_signal_emit(obj,
+                signals[SINK_AVAILABLE_UPDATE],
+                0,
+                priv->sink_availability);
+}
+
      
 
diff --git a/src/sound-service-dbus.h b/src/sound-service-dbus.h
index ef0d7dd..ae4953e 100644
--- a/src/sound-service-dbus.h
+++ b/src/sound-service-dbus.h
@@ -49,10 +49,6 @@ struct _SoundServiceDbus {
 
 struct _SoundServiceDbusClass {
   GObjectClass parent_class;
-  /* Signals -> outward messages to the DBUS and beyond*/
-  // TODO - ARE THESE NECESSARY ?
-  //void (* sink_input_while_muted) (SoundServiceDbus *self, gboolean block_value, gpointer sound_data);
-  //void (* sink_volume_update) (SoundServiceDbus *self, gdouble sink_volume, gpointer sound_data);
 }; 
 GType sound_service_dbus_get_type  (void) G_GNUC_CONST;
 
@@ -60,6 +56,7 @@ GType sound_service_dbus_get_type  (void) G_GNUC_CONST;
 void sound_service_dbus_sink_input_while_muted (SoundServiceDbus* obj, gboolean block_value);
 void sound_service_dbus_update_sink_volume(SoundServiceDbus* obj, gdouble sink_volume);
 void sound_service_dbus_update_sink_mute(SoundServiceDbus* obj, gboolean sink_mute);
+void sound_service_dbus_update_sink_availability(SoundServiceDbus* obj, gboolean sink_availibity);
 
 G_END_DECLS
 
diff --git a/src/sound-service.xml b/src/sound-service.xml
index 580f0e1..12ed03e 100644
--- a/src/sound-service.xml
+++ b/src/sound-service.xml
@@ -5,6 +5,7 @@
         <annotation name="org.freedesktop.DBus.GLib.CSymbol" value="sound_service_dbus_set_sink_volume"/>
         <arg type='u' name='volume_percent' direction="in"/>
     </method>
+
     <method name = "GetSinkVolume">
         <annotation name="org.freedesktop.DBus.GLib.CSymbol" value="sound_service_dbus_get_sink_volume"/>
         <arg type='d' name='volume_percent_input' direction="out"/>
@@ -15,6 +16,11 @@
         <arg type='b' name='mute_input' direction="out"/>
     </method>
 
+    <method name = "GetSinkAvailability">
+        <annotation name="org.freedesktop.DBus.GLib.CSymbol" value="sound_service_dbus_get_sink_availability"/>
+        <arg type='b' name='availability_input' direction="out"/>
+    </method>
+
 <!-- Will need to hook up another signal which monitors for volume change 
 Our respective UI element should listen to this and therefore will be updated with accurate setting-->
 <!-- Triggered when a sink is muted but the input has been sent to that sink -->
@@ -30,6 +36,10 @@ Our respective UI element should listen to this and therefore will be updated wi
       <arg name="mute_value" type="b" direction="out"/>
     </signal>
 
+    <signal name="SinkAvailableUpdate">
+      <arg name="available_value" type="b" direction="out"/>
+    </signal>
+
   </interface>
 </node>