root / src / gr / grnet / pithos / web / client / animation / FadeIn.java @ cae2a8db
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/*
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* Copyright 2011-2012 GRNET S.A. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* 1. Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* The views and conclusions contained in the software and
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* documentation are those of the authors and should not be
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* interpreted as representing official policies, either expressed
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* or implied, of GRNET S.A.
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*/
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package gr.grnet.pithos.web.client.animation; |
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import com.google.gwt.animation.client.Animation; |
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import com.google.gwt.user.client.DOM; |
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import com.google.gwt.user.client.ui.Widget; |
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public class FadeIn extends Animation { |
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Widget widget; |
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int initialOpacity = 100; |
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double currOpacity = 100; |
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public FadeIn(Widget aWidget){
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widget = aWidget; |
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} |
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@Override
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protected void onUpdate(double progress) { |
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if(currOpacity > 0.0){ |
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double progress1 = 1.0 - progress; |
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currOpacity = initialOpacity * progress1; |
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DOM.setStyleAttribute(widget.getElement(), "opacity", ""+new Double(1d - currOpacity / 100d)); |
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//required for ie to work
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//Disabled because IE has bugs rendering non-opaque objects
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//int opacityToSet = new Double(currOpacity).intValue();
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//DOM.setStyleAttribute(widget.getElement(), "filter", "alpha(opacity=" + (initialOpacity - opacityToSet) + ")");
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} |
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} |
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} |