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/*
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* Copyright (c) 2005 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 com.nokia.microedition.m2g;
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import javax.microedition.m2g.*;
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import org.eclipse.swt.widgets.SVGAnimatorControl;
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import com.nokia.mj.impl.rt.support.Finalizer;
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import com.nokia.mj.impl.utils.Logger;
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public class M2GSVGeSWTAnimator extends SVGAnimator
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{
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//--------------------------------------------------
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// STATIC CONSTANTS
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//--------------------------------------------------
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private static final String ANIMATOR_CONTROL_BASE_CLASS =
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"org.eclipse.swt.widgets.Canvas";
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// Exception text
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/* Optimization: static finals changed to local variables
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private static final String COMPONENT_BASE_CLASS_NOT_SUPPORTED_ESTR =
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"The requested componentBaseClass is not supported by the implementation.";
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private static final String ILLEGAL_TIME_INCREMENT_ESTR =
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"The timeIncrement is less than or equal to zero.";
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private static final String ANIMATOR_PLAY_ESTR =
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"The animator is not currently in the stopped or paused state.";
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private static final String ANIMATOR_PAUSE_ESTR =
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"The animator is not in the playing state.";
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private static final String ANIMATOR_STOP_ESTR =
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"The animator is not in the playing or paused state.";
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private static final String INVALID_RUNNABLE_ESTR =
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"The runnable is null.";
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private static final String ANIMATOR_IS_STOPPED_ESTR =
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"The animator is in the stopped state.";
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private static final String RUNNABLE_IS_NULL_ESTR =
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"The runnable is null.";
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private static final String ANIMATOR_INVOKE_ESTR =
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"The animator is in the stopped state.";
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*/
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//--------------------------------------------------
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// VARIABLES
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//--------------------------------------------------
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private SVGAnimatorControl iAnimatorControl;
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private Finalizer mFinalizer = new Finalizer()
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{
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public void finalizeImpl()
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{
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doFinalize();
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}
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};
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//--------------------------------------------------
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// METHODS
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//--------------------------------------------------
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/**
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* Constructor
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* @param aImage
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*/
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protected M2GSVGeSWTAnimator(SVGImage aImage)
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{
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iAnimatorControl = new SVGAnimatorControl(/*false,*/ aImage);
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}
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/**
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* @see javax.microedition.m2g.SVGAnimator#getTargetComponent()
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*/
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public Object getTargetComponent()
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{
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return iAnimatorControl;
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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 float getTimeIncrement()
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{
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Logger.LOG(Logger.EJavaUI, Logger.EInfo,
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"getTimeIncrement() " + iAnimatorControl.getTimeIncrement());
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return iAnimatorControl.getTimeIncrement();
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}
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/**
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* @see javax.microedition.m2g.SVGAnimator#invokeAndWait()
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*/
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public void invokeAndWait(java.lang.Runnable runnable)
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{
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if (runnable == null)
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{
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throw new NullPointerException(
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/*SF*/"The runnable is null."/*SF*/);
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}
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if (iAnimatorControl.isStopped())
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{
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throw new IllegalStateException(
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/*SF*/"The animator is in the stopped state."/*SF*/);
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}
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Logger.LOG(Logger.EJavaUI, Logger.EInfo, "invokeAndWait()");
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runnable.run();
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}
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/**
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* @see javax.microedition.m2g.SVGAnimator#invokeLater()
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*/
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public void invokeLater(java.lang.Runnable runnable)
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{
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if (runnable == null)
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{
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throw new NullPointerException(
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/*SF*/"The runnable is null."/*SF*/);
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}
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if (iAnimatorControl.isStopped())
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{
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throw new IllegalStateException(
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/*SF*/"The animator is in the stopped state."/*SF*/);
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}
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Logger.LOG(Logger.EJavaUI, Logger.EInfo, "invokeLater()");
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Thread thread = new Thread(runnable);
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thread.start();
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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 void pause()
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{
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if (!iAnimatorControl.isPlaying())
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{
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throw new IllegalStateException(
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/*SF*/"The animator is not in the playing or paused state."/*SF*/);
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}
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Logger.LOG(Logger.EJavaUI, Logger.EInfo, "pause()");
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iAnimatorControl.pause();
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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 void play()
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{
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if (iAnimatorControl.isPlaying())
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{
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throw new IllegalStateException(
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/*SF*/"The animator is not currently in the stopped or paused state."/*SF*/);
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}
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Logger.LOG(Logger.EJavaUI, Logger.EInfo, "play()");
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iAnimatorControl.play();
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}
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private void doFinalize()
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{
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if (mFinalizer != null)
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{
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registeredFinalize();
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mFinalizer = null;
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}
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}
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/**
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* Finalize
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*/
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synchronized void registeredFinalize()
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{
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Logger.LOG(Logger.EJavaUI, Logger.EInfo, "registeredFinalize()");
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iAnimatorControl = null;
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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 void setSVGEventListener(SVGEventListener svgEventListener)
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{
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iAnimatorControl.setEventListener(svgEventListener);
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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 void setTimeIncrement(float timeIncrement)
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{
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if (timeIncrement <= 0)
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{
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throw new IllegalArgumentException(
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/*SF*/"The time increment is less than or equal to zero."/*SF*/);
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}
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Logger.LOG(Logger.EJavaUI, Logger.EInfo, "setTimeIncrement() - " + timeIncrement);
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iAnimatorControl.setTimeIncrement(timeIncrement);
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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 void stop()
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{
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if (iAnimatorControl.isStopped())
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{
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throw new IllegalStateException(
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/*SF*/"The animator is not in the playing or paused state."/*SF*/);
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}
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Logger.LOG(Logger.EJavaUI, Logger.EInfo, "stop()");
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iAnimatorControl.stop();
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}
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//--------------------------------------------------
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// STATIC METHODS
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//--------------------------------------------------
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/**
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* Builds animator
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* @param svgImage -
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* @return SVGAnimator
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* @see javax.microedition.m2g.SVGAnimator#createAnimator()
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*/
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public static SVGAnimator buildAnimator(SVGImage svgImage)
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{
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if (svgImage == null)
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{
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throw new NullPointerException();
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}
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return new M2GSVGeSWTAnimator(svgImage);
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}
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/**
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* Builds animator
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* @param svgImage -
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* @param componentBaseClass -
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* @return SVGAnimator
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* @see javax.microedition.m2g.SVGAnimator#createAnimator()
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*/
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public static SVGAnimator buildAnimator(
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SVGImage svgImage, String componentBaseClass)
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{
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if (svgImage == null)
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{
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throw new NullPointerException();
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}
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if ((componentBaseClass != null) &&
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(!componentBaseClass.equals(ANIMATOR_CONTROL_BASE_CLASS)))
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{
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throw new IllegalArgumentException(
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/*SF*/"The requested componentBaseClass is not supported by the implementation."/*SF*/);
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}
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return buildAnimator(svgImage);
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}
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}
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