platform_bootable_recovery/wear_touch.h

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/*
* Copyright (C) 2016 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 __WEAR_TOUCH_H
#define __WEAR_TOUCH_H
#include <pthread.h>
class WearSwipeDetector {
public:
enum SwipeDirection { UP, DOWN, RIGHT, LEFT };
typedef void (*OnSwipeCallback)(void* cookie, enum SwipeDirection direction);
WearSwipeDetector(int low, int high, OnSwipeCallback cb, void* cookie);
~WearSwipeDetector();
private:
void run();
void process(struct input_event *event);
void detect(int dx, int dy);
pthread_t mThread;
static void* touch_thread(void* cookie);
int findDevice(const char* path);
int openDevice(const char* device);
int mLowThreshold;
int mHighThreshold;
OnSwipeCallback mCallback;
void *mCookie;
int mX;
int mY;
int mStartX;
int mStartY;
int mCurrentSlot;
bool mFingerDown;
bool mSwiping;
};
#endif // __WEAR_TOUCH_H