Bug 1038645: Asynchronous |BluetoothHandsfreeInterface::DeviceStatusNotification| (under bluetooth2/), r=btian

dom/bluetooth2/bluedroid/BluetoothInterface.cpp

@@ -734,13 +734,19 @@ BluetoothHandsfreeInterface::VolumeControl(
 
 /* Device status */
 
-bt_status_t
+void
 BluetoothHandsfreeInterface::DeviceStatusNotification(
   bthf_network_state_t aNtkState, bthf_service_type_t aSvcType, int aSignal,
-  int aBattChg)
+  int aBattChg, BluetoothHandsfreeResultHandler* aRes)
 {
-  return mInterface->device_status_notification(aNtkState, aSvcType, aSignal,
-                                                aBattChg);
+  bt_status_t status = mInterface->device_status_notification(
+    aNtkState, aSvcType, aSignal, aBattChg);
+
+  if (aRes) {
+    DispatchBluetoothHandsfreeResult(
+      aRes, &BluetoothHandsfreeResultHandler::DeviceStatusNotification,
+      status);
+  }
 }
 
 /* Responses */

dom/bluetooth2/bluedroid/BluetoothInterface.h

@@ -139,9 +139,10 @@ public:
 
   /* Device status */
 
-  bt_status_t DeviceStatusNotification(bthf_network_state_t aNtkState,
-                                       bthf_service_type_t aSvcType,
-                                       int aSignal, int aBattChg);
+  void DeviceStatusNotification(bthf_network_state_t aNtkState,
+                                bthf_service_type_t aSvcType,
+                                int aSignal, int aBattChg,
+                                BluetoothHandsfreeResultHandler* aRes);
 
   /* Responses */
 

dom/bluetooth2/bluedroid/hfp/BluetoothHfpManager.cpp

@@ -1183,16 +1183,27 @@ BluetoothHfpManager::UpdatePhoneCIND(uint32_t aCallIndex)
       numActive, numHeld, callSetupState, number.get(), type));
 }
 
+class DeviceStatusNotificationResultHandler MOZ_FINAL
+: public BluetoothHandsfreeResultHandler
+{
+public:
+  void OnError(bt_status_t aStatus) MOZ_OVERRIDE
+  {
+    BT_WARNING(
+      "BluetoothHandsfreeInterface::DeviceStatusNotification failed: %d",
+      (int)aStatus);
+  }
+};
+
 void
 BluetoothHfpManager::UpdateDeviceCIND()
 {
   if (sBluetoothHfpInterface) {
-    NS_ENSURE_TRUE_VOID(BT_STATUS_SUCCESS ==
-      sBluetoothHfpInterface->DeviceStatusNotification(
-        (bthf_network_state_t) mService,
-        (bthf_service_type_t) mRoam,
-        mSignal,
-        mBattChg));
+    sBluetoothHfpInterface->DeviceStatusNotification(
+      (bthf_network_state_t) mService,
+      (bthf_service_type_t) mRoam,
+      mSignal,
+      mBattChg, new DeviceStatusNotificationResultHandler());
   }
 }