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