net.sf.janos.ui.action.PauseResumeAction.java Source code

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Here is the source code for net.sf.janos.ui.action.PauseResumeAction.java

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/*
   Copyright 2009 david
    
   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 net.sf.janos.ui.action;

import java.io.IOException;

import net.sbbi.upnp.messages.UPNPResponseException;
import net.sf.janos.ApplicationContext;
import net.sf.janos.control.AVTransportService;
import net.sf.janos.control.SonosController;
import net.sf.janos.control.ZonePlayer;
import net.sf.janos.model.TransportInfo.TransportState;
import net.sf.janos.ui.SonosControllerShell;

import org.apache.commons.logging.LogFactory;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;

/**
 * A Selection Listener that when triggered either pauses or resumes playback, depending on the current state
 * @author David Wheeler
 *
 */
public class PauseResumeAction implements SelectionListener {

    public void widgetDefaultSelected(SelectionEvent e) {
        // no action
    }

    public void widgetSelected(SelectionEvent e) {
        SonosControllerShell controllerShell = ApplicationContext.getInstance().getShell();
        SonosController controller = ApplicationContext.getInstance().getController();
        ZonePlayer zone = controller.getCoordinatorForZonePlayer(controllerShell.getZoneList().getSelectedZone());
        try {
            AVTransportService avTransportService = zone.getMediaRendererDevice().getAvTransportService();
            if (avTransportService.getTransportInfo().getState().equals(TransportState.PLAYING)) {
                avTransportService.pause();
            } else {
                avTransportService.play();
            }
        } catch (IOException ex) {
            LogFactory.getLog(getClass()).error("Could not pause/resume playback", ex);
        } catch (UPNPResponseException ex) {
            LogFactory.getLog(getClass()).error("Could not pause/resume playback", ex);
        }
    }

}