Android Open Source - AndroidTouchEditableListView Touch Data Store

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Back to project page AndroidTouchEditableListView.

License

The source code is released under:

Copyright (c) 2014 Serge Desmedt Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Soft...

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Java Source Code

package be.trojkasoftware.android.touch;
/*from w w w  . j  a  v  a2s .  com*/
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;

import android.view.MotionEvent;

public class TouchDataStore {
  public void add(MotionEvent event) {
        int action = event.getActionMasked();
      int pointerCount = event.getPointerCount();
      for(int i = 0; i < pointerCount; i++) {
        int pointerId = event.getPointerId(i);
        if(!mTouchStore.containsKey(pointerId)){
          TouchData touchData = new TouchData(mHistorySize);
//          touchData.historyPosXMove = new ArrayList(mHistorySize);
//          touchData.historyPosYMove = new ArrayList(mHistorySize);
          mTouchStore.put(pointerId, touchData);
        }
            switch (action) {
            case MotionEvent.ACTION_DOWN:
          case MotionEvent.ACTION_POINTER_DOWN:
            mPointerDownOrder.add(pointerId);
            
              mTouchStore.get(pointerId).posXDown = (int)event.getX(i);
              mTouchStore.get(pointerId).posYDown = (int)event.getY(i);
              mTouchStore.get(pointerId).pushMove(mTouchStore.get(pointerId).posXDown, mTouchStore.get(pointerId).posYDown);
              //mTouchStore.get(pointerId).lastPosXMove = mTouchStore.get(pointerId).posXDown;
              //mTouchStore.get(pointerId).lastPosYMove = mTouchStore.get(pointerId).posYDown;
              for(Entry<Integer, TouchData> entry : mTouchStore.entrySet()){
                mTouchStore.get(pointerId).posXOnPointerDown.put(entry.getKey(), mTouchStore.get(entry.getKey()).getMoveX(0));
                mTouchStore.get(pointerId).posYOnPointerDown.put(entry.getKey(), mTouchStore.get(entry.getKey()).getMoveY(0));
              }
              break;
          case MotionEvent.ACTION_MOVE:
              mTouchStore.get(pointerId).pushMove((int)event.getX(i), (int)event.getY(i));
              //mTouchStore.get(pointerId).lastPosXMove = (int)event.getX(i);
              //mTouchStore.get(pointerId).lastPosYMove = (int)event.getY(i);
              break;
          case MotionEvent.ACTION_UP:
          case MotionEvent.ACTION_POINTER_UP:
              mTouchStore.get(pointerId).posXUp = (int)event.getX(i);
              mTouchStore.get(pointerId).posYUp = (int)event.getY(i);
              break;
          case MotionEvent.ACTION_OUTSIDE:
              break;
            }
      }    
  }
  
  public Set<Integer> getPointers() {
    return mTouchStore.keySet();
  }
  
  public TouchData get(int pointerId) {
    return mTouchStore.get(pointerId);
  }
  
  public int getPointerId(int index) {
    return mPointerDownOrder.get(index);
  }
  
  public int size() {
    return mTouchStore.size();
  }
  
  public void remove(int pointerId) {
    if (mTouchStore.containsKey(pointerId)) {
      mTouchStore.remove(pointerId);
    }
  }
  
  public void clean() {
    List<Integer> mInvalidPointerList = new ArrayList<Integer>();
      for(Entry<Integer, TouchData> entry : mTouchStore.entrySet()){
        if(!entry.getValue().isValid())
        {
          mInvalidPointerList.add(entry.getKey());
        }
      }
      
      mTouchStore.keySet().removeAll(mInvalidPointerList);
      mPointerDownOrder.removeAll(mInvalidPointerList);
  }
  
  public void clear() {
    mTouchStore.clear();
    mPointerDownOrder.clear();
  }
  
  public void setHistorySize(int size) {
    mHistorySize = size;
  }
  
  private Map<Integer, TouchData> mTouchStore = new HashMap<Integer, TouchData>();
  private List<Integer> mPointerDownOrder = new ArrayList<Integer>();
  private int mHistorySize = 2;
}

Java Source Code List