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/*
* Copyright (C) 2008 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_INPUT_EVENT_READER_H
#define ANDROID_INPUT_EVENT_READER_H
#include <stdint.h>
#include <errno.h>
#include <sys/cdefs.h>
#include <sys/types.h>
/*****************************************************************************/
struct input_event;
class InputEventCircularReader
{
struct input_event* const mBuffer;
struct input_event* const mBufferEnd;
struct input_event* mHead;
struct input_event* mCurr;
size_t mEvents;
size_t mFreeSpace;
public:
InputEventCircularReader(size_t numEvents);
~InputEventCircularReader();
ssize_t fill(int fd);
bool readEvent(int fd, input_event const** events);
void next();
};
/*****************************************************************************/
#endif /* ANDROID_INPUT_EVENT_READER_H */
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