litesoft
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// This Source Code is in the Public Domain per: http://unlicense.org package org.litesoft.GWT.client.widgets.nonpublic; import com.google.gwt.user.client.*; import com.google.gwt.user.client.ui.*; public abstract class AbstractBrowserEventListenableWidget extends Widget implements OnBrowserEventListenable { private OnBrowserEventListener mListener = null; @Override public Widget getOnBrowserEventListenableWidget() { return this; } @Override public OnBrowserEventListener getOnBrowserEventListener() { return mListener; } @Override public void setOnBrowserEventListener( int pEventBitsToAdd, OnBrowserEventListener pListener ) { if ( null != (mListener = pListener) ) { sinkEvents( pEventBitsToAdd ); } } @Override public void clearOnBrowserEventListener() { mListener = null; } @Override public void onBrowserEvent( Event event ) { if ( mListener != null ) { if ( mListener.onBrowserEvent( event ) ) { return; } } super.onBrowserEvent( event ); } } |