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-rw-r--r--wear_touch.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/wear_touch.h b/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