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/*
* Copyright (C) 2013 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_VIEW_INPUTQUEUE_H
#define _ANDROID_VIEW_INPUTQUEUE_H
#include <input/Input.h>
#include <utils/Looper.h>
#include <utils/TypeHelpers.h>
#include <utils/Vector.h>
#include "JNIHelp.h"
/*
* Declare a concrete type for the NDK's AInputQueue forward declaration
*/
struct AInputQueue{
};
namespace android {
class InputQueue : public AInputQueue, public MessageHandler {
public:
virtual ~InputQueue();
void attachLooper(Looper* looper, int ident, ALooper_callbackFunc callback, void* data);
void detachLooper();
bool hasEvents();
status_t getEvent(InputEvent** outEvent);
bool preDispatchEvent(InputEvent* event);
void finishEvent(InputEvent* event, bool handled);
KeyEvent* createKeyEvent();
MotionEvent* createMotionEvent();
void recycleInputEvent(InputEvent* event);
void enqueueEvent(InputEvent* event);
static InputQueue* createQueue(jobject inputQueueObj, const sp<Looper>& looper);
protected:
virtual void handleMessage(const Message& message);
private:
InputQueue(jobject inputQueueObj, const sp<Looper>& looper,
int readDispatchFd, int writeDispatchFd);
void detachLooperLocked();
jobject mInputQueueWeakGlobal;
int mDispatchReadFd;
int mDispatchWriteFd;
Vector<Looper*> mAppLoopers;
sp<Looper> mDispatchLooper;
sp<WeakMessageHandler> mHandler;
PooledInputEventFactory mPooledInputEventFactory;
// Guards the pending and finished event vectors
mutable Mutex mLock;
Vector<InputEvent*> mPendingEvents;
Vector<key_value_pair_t<InputEvent*, bool> > mFinishedEvents;
};
} // namespace android
#endif
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