blob: 3ade2156589aaf2717c0fdb541659153b85b646e [file] [log] [blame]
/*
* Copyright (C) 2015 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.
*/
#include <gui/DisplayEventReceiver.h>
#include <utils/Log.h>
#include <utils/Looper.h>
namespace android {
class DisplayEventDispatcher : public LooperCallback {
public:
DisplayEventDispatcher(const sp<Looper>& looper);
status_t initialize();
void dispose();
status_t scheduleVsync();
protected:
virtual ~DisplayEventDispatcher() = default;
private:
sp<Looper> mLooper;
DisplayEventReceiver mReceiver;
bool mWaitingForVsync;
virtual void dispatchVsync(nsecs_t timestamp, int32_t id, uint32_t count) = 0;
virtual void dispatchHotplug(nsecs_t timestamp, int32_t id, bool connected) = 0;
virtual int handleEvent(int receiveFd, int events, void* data);
bool processPendingEvents(nsecs_t* outTimestamp, int32_t* id, uint32_t* outCount);
};
}