/**
* Copyright 2010 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.waveprotocol.wave.client.widget.popup;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.dom.client.Style.Visibility;
import com.google.gwt.user.client.ui.RootPanel;
import org.waveprotocol.wave.client.scheduler.Scheduler;
import org.waveprotocol.wave.client.scheduler.ScheduleCommand;
/**
* Show the popup in the center of the screen.
*
*/
public class CenterPopupPositioner implements RelativePopupPositioner {
/**
* {@inheritDoc}
*/
public void setPopupPositionAndMakeVisible(Element relative, final Element p) {
ScheduleCommand.addCommand(new Scheduler.Task() {
public void execute() {
p.getStyle().setLeft((RootPanel.get().getOffsetWidth() - p.getOffsetWidth()) / 2, Unit.PX);
p.getStyle().setTop((RootPanel.get().getOffsetHeight() - p.getOffsetHeight()) / 2, Unit.PX);
p.getStyle().setVisibility(Visibility.VISIBLE);
}
});
}
}