diff -r 000000000000 -r 6474c204b198 dom/camera/GonkCameraListener.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/camera/GonkCameraListener.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef GONK_CAMERA_LISTENER_H
+#define GONK_CAMERA_LISTENER_H
+
+#include <utils/Timers.h>
+#include <camera/Camera.h>
+
+namespace android {
+
+// ref-counted object for callbacks
+class GonkCameraListener: virtual public RefBase
+{
+public:
+    virtual void notify(int32_t msgType, int32_t ext1, int32_t ext2) = 0;
+    virtual void postData(int32_t msgType, const sp<IMemory>& dataPtr,
+                          camera_frame_metadata_t *metadata) = 0;
+    virtual void postDataTimestamp(nsecs_t timestamp, int32_t msgType, const sp<IMemory>& dataPtr) = 0;
+};
+
+}; // namespace android
+
+#endif