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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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package org.eclipse.swt.widgets;
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// this package is removed from Qt import org.eclipse.swt.internal.symbian.
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/*import org.eclipse.swt.internal.symbian.*;*/
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import org.eclipse.swt.internal.*;
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import org.eclipse.swt.widgets.Control;
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import javax.microedition.m2g.*;
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import com.nokia.microedition.m2g.*;
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import java.util.*;
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import java.lang.ref.WeakReference;
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import org.eclipse.swt.graphics.GC;
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import org.eclipse.swt.graphics.Rectangle;
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import org.eclipse.swt.events.*;
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import com.nokia.mj.impl.utils.Logger;
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import org.eclipse.swt.widgets.Internal_PackageSupport;
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import org.eclipse.swt.graphics.Internal_GfxPackageSupport;
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/**
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* Control
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*/
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public class SVGAnimatorControl extends Canvas
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implements ControlListener,
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KeyListener,
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MouseListener,
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DisposeListener,
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ShellListener,
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PaintListener
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{
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//--------------------------------------------------
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// STATIC CONSTANTS
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//--------------------------------------------------
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public static final int STATE_STOPPED = 1;
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public static final int STATE_PLAYING = 2;
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public static final int STATE_PAUSED = 3;
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public static final float DEFAULT_DELTA_TIME = 0.1f;
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//--------------------------------------------------
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// VARIABLES
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//--------------------------------------------------
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private int iState;
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private SVGImage iSVGImage;
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private M2GScalableGraphics iSg;
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private float iDeltaTime;
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private SVGAnimatorRunnable iTask = null;
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private SVGEventListener iEventListener = null;
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//--------------------------------------------------
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// METHODS
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//--------------------------------------------------
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/**
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* @see
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*/
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public SVGAnimatorControl(SVGImage aSVGImage)
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{
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iSVGImage = aSVGImage;
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iState = STATE_STOPPED;
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// Create render context, use M2GScalableGraphics
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// directly to get access to render method with native
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// side clearing parameter
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iSg = new M2GScalableGraphics();
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iSg.setRenderingQuality(ScalableGraphics.RENDERING_QUALITY_HIGH);
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iDeltaTime = DEFAULT_DELTA_TIME;
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iTask = new SVGAnimatorRunnable(this);
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}
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/**
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* @see org.eclipse.swt.widgets.Control#setParent()
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*/
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public boolean setParent(Composite aParent)
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{
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parent = aParent;
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display = aParent.display;
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// Init widget after parent and display are known
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//Have to create Widget.
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//Workaround for Qt changes this method is now in with one int argument.L:\sf\app\jrt\javauis\eswt_qt\org.eclipse.swt\Eclipse SWT\qt\org\eclipse\swt\widgets\Control.java
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// int i =10;
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// createWidget(i);
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// internal_createWidget();
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// Add this to necessary listeners
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addControlListener(this);
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addKeyListener(this);
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addMouseListener(this);
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addDisposeListener(this);
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parent.getShell().addShellListener(this);
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addPaintListener(this);
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return true;
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}
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/**
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* @see org.eclipse.swt.widgets.Control#paint()
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*/
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public void paintControl(PaintEvent e) {
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GC gc = e.gc;
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// Render image
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try
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{
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iSg.bindTarget(gc);
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// Parameter true to use native side clearing
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// -> animator background is always white
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iSg.render(0, 0, iSVGImage, true);
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}
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finally
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{
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iSg.releaseTarget();
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}
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}
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/**
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* Returns event listener
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* @return event listener
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*/
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public synchronized SVGEventListener getEventListener()
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{
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return iEventListener;
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}
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/**
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* @see javax.microedition.m2g.SVGAnimator#getTimeIncrement()
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*/
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public synchronized float getTimeIncrement()
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{
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return iDeltaTime;
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}
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/**
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* Increases the increment time of the SVGImage.
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* Increment is done only if the playing state is active.
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* @see javax.microedition.m2g.SVGImage#incrementTime()
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*/
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public synchronized void increaseCurrentTime()
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{
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if (iState == STATE_PLAYING)
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{
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iSVGImage.incrementTime(iDeltaTime);
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}
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}
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/**
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* Checks if playing
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* @return true if playing
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*/
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public synchronized boolean isPlaying()
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{
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return iState == STATE_PLAYING;
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}
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/**
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* Checks if paused
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* @return true if paused
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*/
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public synchronized boolean isPaused()
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{
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return iState == STATE_PAUSED;
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}
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/**
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* Checks if stopped
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* @return true if stopped
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*/
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public synchronized boolean isStopped()
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{
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return iState == STATE_STOPPED;
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}
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/**
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* @see org.eclipse.swt.events.DisposeListener#widgetDisposed()
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* @see javax.microedition.m2g.SVGEventListener#hideNotify()
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*/
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public synchronized void widgetDisposed(DisposeEvent e)
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{
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if (iEventListener != null)
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{
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iEventListener.hideNotify();
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}
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}
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/**
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* @see org.eclipse.swt.events.ShellListener#shellActivated()
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* @see javax.microedition.m2g.SVGEventListener#showNotify()
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*/
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public synchronized void shellActivated(ShellEvent e)
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{
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if (iEventListener != null)
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{
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iEventListener.showNotify();
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}
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}
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/**
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* @see org.eclipse.swt.events.ShellListener#shellClosed()
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* @see javax.microedition.m2g.SVGEventListener#hideNotify()
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*/
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public synchronized void shellClosed(ShellEvent e)
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{
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if (iEventListener != null)
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{
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iEventListener.hideNotify();
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}
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}
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/**
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* @see org.eclipse.swt.events.ShellListener#shellDeactivated()
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* @see javax.microedition.m2g.SVGEventListener#hideNotify()
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*/
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public synchronized void shellDeactivated(ShellEvent e)
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{
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if (iEventListener != null)
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{
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iEventListener.hideNotify();
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}
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}
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/**
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* @see org.eclipse.swt.events.ShellListener#shellDeiconified()
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* @see javax.microedition.m2g.SVGEventListener#hideNotify()
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*/
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public synchronized void shellDeiconified(ShellEvent e)
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{
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if (iEventListener != null)
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{
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iEventListener.hideNotify();
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}
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}
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/**
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* @see org.eclipse.swt.events.ShellListener#shellIconified()
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* @see javax.microedition.m2g.SVGEventListener#showNotify()
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*/
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public synchronized void shellIconified(ShellEvent e)
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{
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if (iEventListener != null)
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{
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iEventListener.showNotify();
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}
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}
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/**
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* @see org.eclipse.swt.events.KeyListener#keyPressed()
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* @see javax.microedition.m2g.SVGEventListener#keyPressed()
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*/
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public synchronized void keyPressed(KeyEvent e)
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{
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if (iEventListener != null)
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{
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iEventListener.keyPressed(e.keyCode);
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}
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}
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/**
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* @see org.eclipse.swt.events.KeyListener#keyReleased()
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* @see javax.microedition.m2g.SVGEventListener#keyPReleased()
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*/
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public synchronized void keyReleased(KeyEvent e)
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{
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if (iEventListener != null)
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{
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iEventListener.keyReleased(e.keyCode);
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}
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}
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/**
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* @see org.eclipse.swt.events.MouseListener#mouseDown()
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* @see javax.microedition.m2g.SVGEventListener#pointerPressed()
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*/
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public synchronized void mouseDown(MouseEvent e)
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{
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if (iEventListener != null)
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{
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iEventListener.pointerPressed(e.x, e.y);
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}
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}
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/**
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* @see org.eclipse.swt.events.MouseListener#mouseUp()
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* @see javax.microedition.m2g.SVGEventListener#pointerReleased()
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*/
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public synchronized void mouseUp(MouseEvent e)
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{
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if (iEventListener != null)
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{
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iEventListener.pointerReleased(e.x, e.y);
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}
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}
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/**
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* @see org.eclipse.swt.events.MouseListener#mouseDoubleClick()
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*/
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public synchronized void mouseDoubleClick(MouseEvent e)
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{
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// No implementation needed
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}
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/**
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* @see org.eclipse.swt.events.ControlListener#controlResized()
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* @see javax.microedition.m2g.SVGEventListener#sizeChanged()
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*/
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public synchronized void controlResized(ControlEvent e)
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{
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Rectangle bounds = getBounds();
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if (iEventListener != null)
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{
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iEventListener.sizeChanged(bounds.width, bounds.height);
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}
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}
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/**
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* @see org.eclipse.swt.events.ControlListener#controlMoved()
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*/
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public synchronized void controlMoved(ControlEvent e)
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{
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// No implementation needed
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}
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/**
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* @see javax.microedition.m2g.SVGAnimator#pause()
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*/
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public synchronized void pause()
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{
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iState = STATE_PAUSED;
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}
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/**
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* @see javax.microedition.m2g.SVGAnimator#play()
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*/
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public synchronized void play()
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{
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if (iState == STATE_STOPPED)
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{
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// Set runnable to be run in UI thread
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display.asyncExec(iTask);
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}
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iState = STATE_PLAYING;
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}
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/**
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* @see javax.microedition.m2g.SVGAnimator#setSVGEventListener()
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*/
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public synchronized void setEventListener(SVGEventListener eventListener)
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{
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iEventListener = eventListener;
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}
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/**
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* @see javax.microedition.m2g.SVGAnimator#setTimeIncrement()
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*/
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public synchronized void setTimeIncrement(float aDeltaTime)
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{
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iDeltaTime = aDeltaTime;
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}
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/**
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* @see javax.microedition.m2g.SVGAnimator#stop()
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*/
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public synchronized void stop()
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{
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iState = STATE_STOPPED;
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}
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}
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/**
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* SVGAnimatorRunnable
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* Runnable class to perform control redrawing.
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*/
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class SVGAnimatorRunnable implements Runnable
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{
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//--------------------------------------------------
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// VARIABLES
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//--------------------------------------------------
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private WeakReference iWeakControl;
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//--------------------------------------------------
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// METHODS
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//--------------------------------------------------
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public SVGAnimatorRunnable(SVGAnimatorControl aControl)
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{
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iWeakControl = new WeakReference(aControl);
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}
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/*
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* @see java.lang.Runnable#run()
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*/
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public void run()
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{
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SVGAnimatorControl control = (SVGAnimatorControl)iWeakControl.get();
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if (control != null && !control.isDisposed())
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{
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try
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{
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synchronized (control)
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{
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if (control.isPlaying())
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{
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// Playing: increase time
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control.increaseCurrentTime();
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}
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if (!control.isStopped())
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{
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// Playing or paused: request repainting and new run
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// If animator has been stopped no new run is requested
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control.redraw();
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control.getDisplay().timerExec(
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(int)(control.getTimeIncrement() * 1000),
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this);
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}
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}
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}
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catch (Exception e)
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{
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Logger.ELOG(Logger.EJavaUI, "SVGAnimatorRunnable: run() - exception: "
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+ e.toString());
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}
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}
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}
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}
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