platform_bootable_recovery/wear_touch.h
Prashant Malani 9020e0f141 recovery: Move SwipeDetector into common location
The SwipeDetector class is used almost unchanged in all locations.

This patch moves it into the recovery module, from which devices can
reference it if required.

The class is now renamed to WearSwipeDetector.

Bug: 27407422
Change-Id: Ifd3c7069a287548b89b14ab5d6d2b90a298e0145
2016-03-18 06:03:21 +00:00

58 lines
1.4 KiB
C++

/*
* 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