d0566bc26f
use gui/DisplayEvent to receive the events. Events are dispatched through a unix pipe, so the API is compatible with utils/Looper. see gui/DisplayEvent.h for more info. Bug: 1475048 Change-Id: Ia720f64d1b950328b47b22c6a86042e481d35f09
80 lines
2.2 KiB
C++
80 lines
2.2 KiB
C++
/*
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* Copyright (C) 2011 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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#ifndef ANDROID_SURFACE_FLINGER_EVENT_THREAD_H
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#define ANDROID_SURFACE_FLINGER_EVENT_THREAD_H
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#include <stdint.h>
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#include <sys/types.h>
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#include <gui/IDisplayEventConnection.h>
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#include <utils/Errors.h>
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#include <utils/threads.h>
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#include <utils/SortedVector.h>
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#include "DisplayEventConnection.h"
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// ---------------------------------------------------------------------------
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namespace android {
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// ---------------------------------------------------------------------------
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class SurfaceFlinger;
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class DisplayHardware;
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// ---------------------------------------------------------------------------
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class EventThread : public Thread {
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friend class DisplayEventConnection;
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public:
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EventThread(const sp<SurfaceFlinger>& flinger);
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status_t registerDisplayEventConnection(
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const sp<DisplayEventConnection>& connection);
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status_t unregisterDisplayEventConnection(
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const wp<DisplayEventConnection>& connection);
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void dump(String8& result, char* buffer, size_t SIZE) const;
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private:
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virtual bool threadLoop();
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virtual status_t readyToRun();
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virtual void onFirstRef();
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// constants
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sp<SurfaceFlinger> mFlinger;
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const DisplayHardware& mHw;
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mutable Mutex mLock;
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mutable Condition mCondition;
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// protected by mLock
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SortedVector<wp<DisplayEventConnection> > mDisplayEventConnections;
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size_t mDeliveredEvents;
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};
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// ---------------------------------------------------------------------------
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}; // namespace android
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// ---------------------------------------------------------------------------
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#endif /* ANDROID_SURFACE_FLINGER_EVENT_THREAD_H */
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