Bug 1042691: Asynchronous |BluetoothAvrcpInterface::SetVolume| (under bluetooth2/), r=btian

dom/bluetooth2/bluedroid/BluetoothInterface.cpp

@@ -1129,14 +1129,20 @@ BluetoothAvrcpInterface::RegisterNotificationRsp(
   }
 }
 
-bt_status_t
-BluetoothAvrcpInterface::SetVolume(uint8_t aVolume)
+void
+BluetoothAvrcpInterface::SetVolume(uint8_t aVolume,
+                                   BluetoothAvrcpResultHandler* aRes)
 {
 #if ANDROID_VERSION >= 19
-  return mInterface->set_volume(aVolume);
+  bt_status_t status = mInterface->set_volume(aVolume);
 #else
-  return BT_STATUS_UNSUPPORTED;
+  bt_status_t status = BT_STATUS_UNSUPPORTED;
 #endif
+
+  if (aRes) {
+    DispatchBluetoothAvrcpResult(
+      aRes, &BluetoothAvrcpResultHandler::SetVolume, status);
+  }
 }
 #endif // ANDROID_VERSION >= 18
 

dom/bluetooth2/bluedroid/BluetoothInterface.h

@@ -297,7 +297,7 @@ public:
                                btrc_register_notification_t* aPParam,
                                BluetoothAvrcpResultHandler* aRes);
 
-  bt_status_t SetVolume(uint8_t aVolume);
+  void SetVolume(uint8_t aVolume, BluetoothAvrcpResultHandler* aRes);
 
 protected:
   BluetoothAvrcpInterface(const btrc_interface_t* aInterface);