litesoft
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// This Source Code is in the Public Domain per: http://litesoft.org/License.txt package org.litesoft.GWT.client.widgets; import org.litesoft.core.typeutils.*; import com.google.gwt.user.client.*; /** * Allows resizing to be delayed until resize activity stops for the * specified period. */ public abstract class ResizeHelper { private int mMsDelay; private Timer mTimer = null; public ResizeHelper() { this( 333 ); } public ResizeHelper( int pMsDelay ) { setMsDelay( pMsDelay ); } public int getMsDelay() { return mMsDelay; } public void setMsDelay( int pMsDelay ) { mMsDelay = Integers.assertNonNegative( "pMsDelay", pMsDelay ); } public void onResized() { if ( mMsDelay == 0 ) { doResize(); } else { if ( mTimer == null ) { mTimer = new Timer() { @Override public void run() { doResize(); mTimer = null; } }; } mTimer.schedule( mMsDelay ); } } protected abstract void doResize(); @Override public String toString() { return "delay=" + mMsDelay + ",timerRunning=" + Boolean.valueOf( mTimer != null ); } } |