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/*
* Copyright (C) 2010 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 A_HANDLER_REFLECTOR_H_
#define A_HANDLER_REFLECTOR_H_
#include <media/stagefright/foundation/AHandler.h>
namespace android {
template<class T>
struct AHandlerReflector : public AHandler {
AHandlerReflector(T *target)
: mTarget(target) {
}
protected:
virtual void onMessageReceived(const sp<AMessage> &msg) {
sp<T> target = mTarget.promote();
if (target != NULL) {
target->onMessageReceived(msg);
}
}
private:
wp<T> mTarget;
AHandlerReflector(const AHandlerReflector<T> &);
AHandlerReflector<T> &operator=(const AHandlerReflector<T> &);
};
} // namespace android
#endif // A_HANDLER_REFLECTOR_H_
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