Android Open Source - TileView Tween

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Back to project page TileView.

License

The source code is released under:

MIT License

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Java Source Code

package com.qozix.animation;
// w  w w .jav a  2 s.co m
import java.util.ArrayList;

import android.os.Handler;
import android.os.Message;

import com.qozix.animation.easing.EasingEquation;
import com.qozix.animation.easing.Linear;

// TODO: the singleton Handler might leak...
public class Tween {

  private double ellapsed;
  private double startTime;
  private double duration = 500;

  private ArrayList<TweenListener> listeners = new ArrayList<TweenListener>();
  private EasingEquation ease = Linear.EaseNone;

  public double getEllapsed(){
    return ellapsed;
  }
  
  public void setEllapsed( double time ){
    ellapsed = time;
  }
  
  public double getProgress() {
    return ellapsed / duration;
  }

  public double getEasedProgress() {
    return ease.compute( ellapsed, 0, 1, duration );
  }

  public void setAnimationEase( EasingEquation e ) {
    if ( e == null ) {
      e = Linear.EaseNone;
    }
    ease = e;
  }

  public ArrayList<TweenListener> getTweenListeners() {
    return listeners;
  }
  
  public void addTweenListener( TweenListener l ) {
    listeners.add( l );
  }

  public void removeTweenListener( TweenListener l ) {
    listeners.remove( l );
  }

  public double getStartTime() {
    return startTime;
  }
  
  public double getDuration() {
    return duration;
  }

  public void setDuration( double time ) {
    duration = time;
  }

  public void start() {
    stop();
    ellapsed = 0;
    startTime = System.currentTimeMillis();
    for ( TweenListener l : listeners ) {
      l.onTweenStart();
    }
    TweenHandler handler = TweenHandler.getInstance();
    handler.addTween( this );
  }

  public void stop() {
    TweenHandler handler = TweenHandler.getInstance();
    handler.removeTween( this );
  }


}

Java Source Code List