/*
* Copyright (c) 2009-2012 jMonkeyEngine
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of 'jMonkeyEngine' nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.jme3.input.android;
import android.view.MotionEvent;
import com.jme3.input.event.TouchEvent;
import com.jme3.math.Vector2f;
import java.util.HashMap;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* AndroidTouchHandler14 extends AndroidTouchHandler to process the onHover
* events added in Android rev 14 (Android 4.0).
*
* @author iwgeric
*/
public class AndroidTouchInput14 extends AndroidTouchInput {
private static final Logger logger = Logger.getLogger(AndroidTouchInput14.class.getName());
final private HashMap<Integer, Vector2f> lastHoverPositions = new HashMap<Integer, Vector2f>();
public AndroidTouchInput14(AndroidInputHandler androidInput) {
super(androidInput);
}
public boolean onHover(MotionEvent event) {
boolean consumed = false;
int action = getAction(event);
int pointerId = getPointerId(event);
int pointerIndex = getPointerIndex(event);
Vector2f lastPos = lastHoverPositions.get(pointerId);
float jmeX;
float jmeY;
numPointers = event.getPointerCount();
// logger.log(Level.INFO, "onHover pointerId: {0}, action: {1}, x: {2}, y: {3}, numPointers: {4}",
// new Object[]{pointerId, action, event.getX(), event.getY(), event.getPointerCount()});
TouchEvent touchEvent;
switch (action) {
case MotionEvent.ACTION_HOVER_ENTER:
jmeX = getJmeX(event.getX(pointerIndex));
jmeY = invertY(getJmeY(event.getY(pointerIndex)));
touchEvent = getFreeTouchEvent();
touchEvent.set(TouchEvent.Type.HOVER_START, jmeX, jmeY, 0, 0);
touchEvent.setPointerId(pointerId);
touchEvent.setTime(event.getEventTime());
touchEvent.setPressure(event.getPressure(pointerIndex));
lastPos = new Vector2f(jmeX, jmeY);
lastHoverPositions.put(pointerId, lastPos);
addEvent(touchEvent);
consumed = true;
break;
case MotionEvent.ACTION_HOVER_MOVE:
// Convert all pointers into events
for (int p = 0; p < event.getPointerCount(); p++) {
jmeX = getJmeX(event.getX(p));
jmeY = invertY(getJmeY(event.getY(p)));
lastPos = lastHoverPositions.get(event.getPointerId(p));
if (lastPos == null) {
lastPos = new Vector2f(jmeX, jmeY);
lastHoverPositions.put(event.getPointerId(p), lastPos);
}
float dX = jmeX - lastPos.x;
float dY = jmeY - lastPos.y;
if (dX != 0 || dY != 0) {
touchEvent = getFreeTouchEvent();
touchEvent.set(TouchEvent.Type.HOVER_MOVE, jmeX, jmeY, dX, dY);
touchEvent.setPointerId(event.getPointerId(p));
touchEvent.setTime(event.getEventTime());
touchEvent.setPressure(event.getPressure(p));
lastPos.set(jmeX, jmeY);
addEvent(touchEvent);
}
}
consumed = true;
break;
case MotionEvent.ACTION_HOVER_EXIT:
jmeX = getJmeX(event.getX(pointerIndex));
jmeY = invertY(getJmeY(event.getY(pointerIndex)));
touchEvent = getFreeTouchEvent();
touchEvent.set(TouchEvent.Type.HOVER_END, jmeX, jmeY, 0, 0);
touchEvent.setPointerId(pointerId);
touchEvent.setTime(event.getEventTime());
touchEvent.setPressure(event.getPressure(pointerIndex));
lastHoverPositions.remove(pointerId);
addEvent(touchEvent);
consumed = true;
break;
default:
consumed = false;
break;
}
return consumed;
}
}