replicant-frameworks_native/services/surfaceflinger/EventThread.h
Mathias Agopian d0566bc26f Add support for sending VSYNC events to the framework
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
2011-11-29 13:10:25 -08:00

80 lines
2.2 KiB
C++

/*
* Copyright (C) 2011 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_SURFACE_FLINGER_EVENT_THREAD_H
#define ANDROID_SURFACE_FLINGER_EVENT_THREAD_H
#include <stdint.h>
#include <sys/types.h>
#include <gui/IDisplayEventConnection.h>
#include <utils/Errors.h>
#include <utils/threads.h>
#include <utils/SortedVector.h>
#include "DisplayEventConnection.h"
// ---------------------------------------------------------------------------
namespace android {
// ---------------------------------------------------------------------------
class SurfaceFlinger;
class DisplayHardware;
// ---------------------------------------------------------------------------
class EventThread : public Thread {
friend class DisplayEventConnection;
public:
EventThread(const sp<SurfaceFlinger>& flinger);
status_t registerDisplayEventConnection(
const sp<DisplayEventConnection>& connection);
status_t unregisterDisplayEventConnection(
const wp<DisplayEventConnection>& connection);
void dump(String8& result, char* buffer, size_t SIZE) const;
private:
virtual bool threadLoop();
virtual status_t readyToRun();
virtual void onFirstRef();
// constants
sp<SurfaceFlinger> mFlinger;
const DisplayHardware& mHw;
mutable Mutex mLock;
mutable Condition mCondition;
// protected by mLock
SortedVector<wp<DisplayEventConnection> > mDisplayEventConnections;
size_t mDeliveredEvents;
};
// ---------------------------------------------------------------------------
}; // namespace android
// ---------------------------------------------------------------------------
#endif /* ANDROID_SURFACE_FLINGER_EVENT_THREAD_H */