libs/hostgraphics/gui/ConsumerBase.h

/*
 * Copyright (C) 2019 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 ANDROID_GUI_CONSUMERBASE_H
#define ANDROID_GUI_CONSUMERBASE_H

#include <gui/BufferItem.h>
#include <utils/RefBase.h>

namespace android {

class ConsumerBase : public virtual RefBase {
public:
    struct FrameAvailableListener : public virtual RefBase {
        // See IConsumerListener::onFrame{Available,Replaced}
        virtual void onFrameAvailable(const BufferItem& item) = 0;

        virtual void onFrameReplaced(const BufferItem& /* item */) {}
    };
};

} // namespace android

#endif // ANDROID_GUI_CONSUMERBASE_H