Merge against new HEAD

1 files changed, 232 insertions, 92 deletions

diff --git a/src/sound-service-dbus.c b/src/sound-service-dbus.c
index 6057a29..b444a91 100644
--- a/src/sound-service-dbus.c
+++ b/src/sound-service-dbus.c
@@ -3,7 +3,6 @@
  *
  * Authors:
  *     Conor Curran <conor.curran@canonical.com>
- *     Ted Gould <ted.gould@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
@@ -23,12 +22,19 @@
 #endif
 
 #include <gio/gio.h>
+#include <unistd.h>
+#include <glib/gi18n.h>
 #include <libindicator/indicator-service.h>
+#include <libdbusmenu-glib/server.h>
+#include <libdbusmenu-glib/client.h>
+
+#include "sound-service-dbus.h"
+
 #include "gen-sound-service.xml.h"
 #include "dbus-shared-names.h"
-#include "sound-service-dbus.h"
-#include "common-defs.h"
 #include "pulse-manager.h"
+#include "slider-menu-item.h"
+#include "mute-menu-item.h"
 
 // DBUS methods
 static void bus_method_call (GDBusConnection * connection,
@@ -50,14 +56,16 @@ static GDBusInterfaceVTable       interface_table = {
 typedef struct _SoundServiceDbusPrivate SoundServiceDbusPrivate;
 
 struct _SoundServiceDbusPrivate {
-        GDBusConnection *connection;
-        gboolean        mute;
-        gboolean        sink_availability;
+        GDBusConnection*    connection;
+        DbusmenuMenuitem*   root_menuitem;
+        SliderMenuItem*     volume_slider_menuitem;
+        MuteMenuItem*       mute_menuitem;
+        SoundState          current_sound_state;
 };
 
 static GDBusNodeInfo *            node_info = NULL;
 static GDBusInterfaceInfo *       interface_info = NULL;
-
+static gboolean                   b_startup = TRUE;
 #define SOUND_SERVICE_DBUS_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), SOUND_SERVICE_DBUS_TYPE, SoundServiceDbusPrivate))
 
 static void sound_service_dbus_class_init (SoundServiceDbusClass *klass);
@@ -65,7 +73,18 @@ static void sound_service_dbus_init       (SoundServiceDbus *self);
 static void sound_service_dbus_dispose    (GObject *object);
 static void sound_service_dbus_finalize   (GObject *object);
 
-/* GObject Boilerplate */
+static void sound_service_dbus_build_sound_menu ( SoundServiceDbus* root,
+                                                  gboolean mute_update,
+                                                  gboolean availability,
+                                                  gdouble volume );
+static void show_sound_settings_dialog (DbusmenuMenuitem *mi,
+                                        gpointer user_data);
+static SoundState sound_service_dbus_get_state_from_volume (SoundServiceDbus* self);
+static void sound_service_dbus_determine_state (SoundServiceDbus* self, 
+                                                gboolean availability,
+                                                gboolean mute,
+                                                gdouble volume);
+
 G_DEFINE_TYPE (SoundServiceDbus, sound_service_dbus, G_TYPE_OBJECT);
 
 static void
@@ -108,8 +127,8 @@ sound_service_dbus_init (SoundServiceDbus *self)
   SoundServiceDbusPrivate * priv = SOUND_SERVICE_DBUS_GET_PRIVATE(self);
 
   priv->connection = NULL;
-  priv->mute = FALSE;
-  priv->sink_availability = FALSE;
+
+  priv->current_sound_state = UNAVAILABLE;
 
   /* Fetch the session bus */
   priv->connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, &error);
@@ -134,6 +153,104 @@ sound_service_dbus_init (SoundServiceDbus *self)
 	}
 }
 
+DbusmenuMenuitem* sound_service_dbus_create_root_item (SoundServiceDbus* self)
+{
+  SoundServiceDbusPrivate * priv = SOUND_SERVICE_DBUS_GET_PRIVATE(self);
+  priv->root_menuitem = dbusmenu_menuitem_new();
+  g_debug("Root ID: %d", dbusmenu_menuitem_get_id(priv->root_menuitem));
+  DbusmenuServer *server = dbusmenu_server_new(INDICATOR_SOUND_MENU_DBUS_OBJECT_PATH);
+  dbusmenu_server_set_root (server, priv->root_menuitem);
+  g_object_unref (priv->root_menuitem);
+  establish_pulse_activities (self);
+  return priv->root_menuitem;
+}
+
+static void sound_service_dbus_build_sound_menu ( SoundServiceDbus* self,
+                                                  gboolean mute_update,
+                                                  gboolean availability,
+                                                  gdouble volume )
+{
+  SoundServiceDbusPrivate * priv = SOUND_SERVICE_DBUS_GET_PRIVATE(self);
+
+  // Mute button
+  priv->mute_menuitem = mute_menu_item_new ( mute_update, availability);
+  dbusmenu_menuitem_child_append (priv->root_menuitem,
+                                  mute_menu_item_get_button (priv->mute_menuitem));
+  
+  // Slider
+  priv->volume_slider_menuitem = slider_menu_item_new ( availability, volume );
+  dbusmenu_menuitem_child_append (priv->root_menuitem, DBUSMENU_MENUITEM ( priv->volume_slider_menuitem ));
+
+  // Separator
+  
+  DbusmenuMenuitem* separator = dbusmenu_menuitem_new();
+
+  dbusmenu_menuitem_property_set( separator,
+                                  DBUSMENU_MENUITEM_PROP_TYPE,
+                                  DBUSMENU_CLIENT_TYPES_SEPARATOR);
+  dbusmenu_menuitem_child_append(priv->root_menuitem, separator);
+  g_object_unref (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(priv->root_menuitem, settings_mi);
+  g_object_unref (settings_mi);  
+  g_signal_connect(G_OBJECT(settings_mi), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
+                   G_CALLBACK(show_sound_settings_dialog), NULL);
+  
+  sound_service_dbus_determine_state (self, availability, mute_update, volume);
+}
+
+/**
+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 --page=applications", &error) &&
+      !g_spawn_command_line_async("xfce4-mixer", &error)) 
+  {
+    g_warning("Unable to show dialog: %s", error->message);
+    g_error_free(error);
+  }
+}
+
+void sound_service_dbus_update_pa_state ( SoundServiceDbus* self,
+                                          gboolean availability,
+                                          gboolean mute_update,
+                                          gdouble volume )
+{
+  g_debug("update pa state with availability of %i, mute value of %i and a volume percent is %f", availability, mute_update, volume);
+  SoundServiceDbusPrivate * priv = SOUND_SERVICE_DBUS_GET_PRIVATE(self);
+
+  if (b_startup == TRUE) {
+    sound_service_dbus_build_sound_menu ( self,
+                                          mute_update,
+                                          availability,
+                                          volume );
+    b_startup = FALSE;
+    return;
+  }
+
+  mute_menu_item_update ( priv->mute_menuitem,
+                          mute_update );
+  slider_menu_item_update ( priv->volume_slider_menuitem,
+                            volume );
+
+  mute_menu_item_enable ( priv->mute_menuitem, availability);
+  slider_menu_item_enable ( priv->volume_slider_menuitem, 
+                            availability );
+  sound_service_dbus_determine_state (self, availability, mute_update, volume);  
+
+}
+
+
 static void
 sound_service_dbus_dispose (GObject *object)
 {
@@ -148,112 +265,135 @@ sound_service_dbus_finalize (GObject *object)
   return;
 }
 
-/* A method has been called from our dbus inteface.  Figure out what it
-   is and dispatch it. */
-static void
-bus_method_call (GDBusConnection * connection,
-                 const gchar * sender,
-                 const gchar * path,
-                 const gchar * interface,
-                 const gchar * method,
-                 GVariant * params,
-                 GDBusMethodInvocation * invocation,
-                 gpointer user_data)
-{ 
-  SoundServiceDbus* service = SOUND_SERVICE_DBUS(user_data); 
-  g_return_if_fail ( IS_SOUND_SERVICE_DBUS(service) );
-  GVariant * retval = NULL;
-  SoundServiceDbusPrivate *priv = SOUND_SERVICE_DBUS_GET_PRIVATE (service);
-  
-  if (g_strcmp0(method, "GetSinkMute") == 0) {
-    g_debug("Get sink mute - sound service dbus!,about to send over mute_value of  %i", priv->mute);
-    retval =  g_variant_new ( "(b)", priv->mute);    
-  } 
-  else if (g_strcmp0(method, "GetSinkAvailability") == 0) {
-    g_debug("Get sink availability - sound service dbus!, about to send over availability_value of  %i", priv->sink_availability);
-    retval =  g_variant_new ( "(b)", priv->sink_availability);
-  }
-  else {
-    g_warning("Calling method '%s' on the sound service but it's unknown", method); 
-  }
-  g_dbus_method_invocation_return_value(invocation, retval);
+void sound_service_dbus_update_volume(SoundServiceDbus* self,
+                                      gdouble  volume)
+{
+  SoundServiceDbusPrivate *priv = SOUND_SERVICE_DBUS_GET_PRIVATE (self);
+  slider_menu_item_update (priv->volume_slider_menuitem, volume);
+  sound_service_dbus_update_sound_state (self,
+                                         sound_service_dbus_get_state_from_volume (self));
 }
 
+void sound_service_dbus_update_sink_mute(SoundServiceDbus* self,
+                                         gboolean mute_update)
+{
+  SoundServiceDbusPrivate *priv = SOUND_SERVICE_DBUS_GET_PRIVATE (self);
+  mute_menu_item_update (priv->mute_menuitem, mute_update);
+  SoundState state = sound_service_dbus_get_state_from_volume (self);
+  if (mute_update == TRUE){
+    state = MUTED;
+  }
+  sound_service_dbus_update_sound_state (self, state);
+}
 
-/**
-SIGNALS
-Utility methods to emit signals from the service into the ether.
-**/
-void sound_service_dbus_sink_input_while_muted(SoundServiceDbus* obj,
-                                               gboolean block_value)
+static SoundState sound_service_dbus_get_state_from_volume (SoundServiceDbus* self)
 {
-  g_debug("Emitting signal: SINK_INPUT_WHILE_MUTED, with  block_value: %i",
-           block_value);
-  SoundServiceDbusPrivate *priv = SOUND_SERVICE_DBUS_GET_PRIVATE (obj);
-  GVariant* v_output = g_variant_new("(b)", block_value);
+  SoundServiceDbusPrivate *priv = SOUND_SERVICE_DBUS_GET_PRIVATE (self);
+  GVariant* v = dbusmenu_menuitem_property_get_variant (DBUSMENU_MENUITEM(priv->volume_slider_menuitem),
+                                                        DBUSMENU_VOLUME_MENUITEM_LEVEL);
+  gdouble volume_percent = g_variant_get_double (v);
 
-  GError * error = NULL;
+  SoundState state = LOW_LEVEL;
 
-  g_dbus_connection_emit_signal( priv->connection,
-                                 NULL,
-                                 INDICATOR_SOUND_MENU_DBUS_OBJECT_PATH,
-                                 INDICATOR_SOUND_DBUS_INTERFACE,
-                                 INDICATOR_SOUND_SIGNAL_SINK_INPUT_WHILE_MUTED,
-                                  v_output,
-                                  &error );
-  if (error != NULL) {
-    g_error("Unable to emit signal 'sinkinputwhilemuted' because : %s", error->message);
-    g_error_free(error);
-    return;
+  if (volume_percent < 30.0 && volume_percent > 0) {
+    state = LOW_LEVEL;
+  } 
+  else if (volume_percent < 70.0 && volume_percent >= 30.0) {
+    state = MEDIUM_LEVEL;
+  } 
+  else if (volume_percent >= 70.0) {
+    state = HIGH_LEVEL;
+  } 
+  else if (volume_percent == 0.0) {
+    state = ZERO_LEVEL;
   }
+  return state;
 }
 
-void sound_service_dbus_update_sink_mute(SoundServiceDbus* obj,
-                                         gboolean sink_mute)
+static void sound_service_dbus_determine_state (SoundServiceDbus* self, 
+                                                gboolean availability,
+                                                gboolean mute,
+                                                gdouble volume)
 {
-  g_debug("Emitting signal: SINK_MUTE_UPDATE, with sink mute %i", sink_mute);
-  SoundServiceDbusPrivate *priv = SOUND_SERVICE_DBUS_GET_PRIVATE (obj);
-  priv->mute = sink_mute;
-
-  GVariant* v_output = g_variant_new("(b)", sink_mute);
-  GError * error = NULL;
-  g_dbus_connection_emit_signal( priv->connection,
-                                 NULL,
-                                 INDICATOR_SOUND_SERVICE_DBUS_OBJECT_PATH,
-                                 INDICATOR_SOUND_DBUS_INTERFACE,
-                                 INDICATOR_SOUND_SIGNAL_SINK_MUTE_UPDATE,
-                                  v_output,
-                                  &error );
-  if (error != NULL) {
-    g_error("Unable to emit signal 'sinkmuteupdate' because : %s", error->message);
-    g_error_free(error);
-    return;
+  SoundState update;
+  if (availability == FALSE) {
+    update = UNAVAILABLE;
+  }
+  else if (mute == TRUE) {
+    update = MUTED;
   }
+  else{
+    update = sound_service_dbus_get_state_from_volume (self);
+  }
+  sound_service_dbus_update_sound_state (self, update);    
 }
 
-void sound_service_dbus_update_sink_availability(SoundServiceDbus* obj,
-                                                 gboolean sink_availability)
+
+// EMIT STATE SIGNAL
+
+// TODO: this will be a bit messy until the pa_manager is sorted.
+// And we figure out all of the edge cases.
+void sound_service_dbus_update_sound_state (SoundServiceDbus* self,
+                                            SoundState new_state)
 {
-  g_debug("Emitting signal: SinkAvailableUpdate, with  %i", sink_availability);
-  SoundServiceDbusPrivate *priv = SOUND_SERVICE_DBUS_GET_PRIVATE (obj);
-  priv->sink_availability = sink_availability;
-  
-  GVariant* v_output = g_variant_new("(b)", priv->sink_availability);
+  SoundServiceDbusPrivate *priv = SOUND_SERVICE_DBUS_GET_PRIVATE (self);
+  SoundState update = new_state;
+  // Ensure that after it has become available update the state with the current volume level
+  if (new_state == AVAILABLE &&
+      dbusmenu_menuitem_property_get_bool ( DBUSMENU_MENUITEM(priv->mute_menuitem),
+                                            DBUSMENU_MUTE_MENUITEM_VALUE) == FALSE ){
+      update = sound_service_dbus_get_state_from_volume (self);
+  }
+  if (update != BLOCKED){
+    priv->current_sound_state = update;
+  }
+
+  GVariant* v_output = g_variant_new("(i)", (int)update);
+
   GError * error = NULL;
-  
+
+  g_debug ("emitting signal with value %i", (int)update);
   g_dbus_connection_emit_signal( priv->connection,
                                  NULL,
                                  INDICATOR_SOUND_SERVICE_DBUS_OBJECT_PATH,
                                  INDICATOR_SOUND_DBUS_INTERFACE,
-                                 INDICATOR_SOUND_SIGNAL_SINK_AVAILABLE_UPDATE,
-                                  v_output,
-                                  &error );
+                                 INDICATOR_SOUND_SIGNAL_STATE_UPDATE,
+                                 v_output,
+                                 &error );
   if (error != NULL) {
-    g_error("Unable to emit signal 'SinkAvailableUpdate' because : %s", error->message);
+    g_error("Unable to emit signal 'sinkinputwhilemuted' because : %s", error->message);
     g_error_free(error);
     return;
   }
 }
 
+//HANDLE DBUS METHOD CALLS
+// TODO we will need to implement the black_list method.
+static void
+bus_method_call (GDBusConnection * connection,
+                 const gchar * sender,
+                 const gchar * path,
+                 const gchar * interface,
+                 const gchar * method,
+                 GVariant * params,
+                 GDBusMethodInvocation * invocation,
+                 gpointer user_data)
+{ 
+  SoundServiceDbus* service = SOUND_SERVICE_DBUS(user_data); 
+  g_return_if_fail ( IS_SOUND_SERVICE_DBUS(service) );
+  GVariant * retval = NULL;
+  SoundServiceDbusPrivate *priv = SOUND_SERVICE_DBUS_GET_PRIVATE (service);
+
+  if (g_strcmp0(method, "GetSoundState") == 0) {
+    g_debug("Get state -  %i", priv->current_sound_state );
+    retval =  g_variant_new ( "(i)", priv->current_sound_state);    
+  }   
+  else {
+    g_warning("Calling method '%s' on the sound service but it's unknown", method); 
+  }
+  g_dbus_method_invocation_return_value (invocation, retval);
+}
+
+