package com.zhy.blogcodes.largeImage.view;
import android.content.Context;
import android.view.MotionEvent;
/**
* Created by zhy on 15/5/12.
*/
public abstract class BaseGestureDetector
{
protected boolean mGestureInProgress;
protected MotionEvent mPreMotionEvent;
protected MotionEvent mCurrentMotionEvent;
protected Context mContext;
public BaseGestureDetector(Context context)
{
mContext = context;
}
public boolean onToucEvent(MotionEvent event)
{
if (!mGestureInProgress)
{
handleStartProgressEvent(event);
} else
{
handleInProgressEvent(event);
}
return true;
}
protected abstract void handleInProgressEvent(MotionEvent event);
protected abstract void handleStartProgressEvent(MotionEvent event);
protected abstract void updateStateByEvent(MotionEvent event);
protected void resetState()
{
if (mPreMotionEvent != null)
{
mPreMotionEvent.recycle();
mPreMotionEvent = null;
}
if (mCurrentMotionEvent != null)
{
mCurrentMotionEvent.recycle();
mCurrentMotionEvent = null;
}
mGestureInProgress = false;
}
}