46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <gui/DisplayEventReceiver.h>
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#include <utils/Log.h>
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#include <utils/Looper.h>
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namespace android {
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class DisplayEventDispatcher : public LooperCallback {
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public:
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DisplayEventDispatcher(const sp<Looper>& looper);
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status_t initialize();
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void dispose();
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status_t scheduleVsync();
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protected:
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virtual ~DisplayEventDispatcher() = default;
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private:
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sp<Looper> mLooper;
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DisplayEventReceiver mReceiver;
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bool mWaitingForVsync;
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virtual void dispatchVsync(nsecs_t timestamp, int32_t id, uint32_t count) = 0;
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virtual void dispatchHotplug(nsecs_t timestamp, int32_t id, bool connected) = 0;
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virtual int handleEvent(int receiveFd, int events, void* data);
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bool processPendingEvents(nsecs_t* outTimestamp, int32_t* id, uint32_t* outCount);
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};
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}
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