plugins/org.eclipse.actf.ai.tts.protalker/src/org/eclipse/actf/ai/tts/protalker/engine/ProTalker.java

/*******************************************************************************
 * Copyright (c) 2007 IBM Corporation and Others
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Daisuke SATO - initial API and implementation
 *******************************************************************************/
package org.eclipse.actf.ai.tts.protalker.engine;

import org.eclipse.actf.ai.tts.ITTSEngine;
import org.eclipse.actf.ai.tts.protalker.ProTalkerPlugin;
import org.eclipse.actf.ai.voice.IVoiceEventListener;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
import org.eclipse.swt.widgets.Display;



/**
 * The implementation of ITTSEngine to use ProTalker.
 */
public class ProTalker implements ITTSEngine, IPropertyChangeListener {

    public static final String ID = "org.eclipse.actf.ai.tts.protalker.engine.ProTalker"; //$NON-NLS-1$

    private ProTalkerBridge engine;

    public ProTalker() {
        engine = new ProTalkerBridge(Display.getDefault());
        setVoice();
        ProTalkerPlugin.getDefault().addPropertyChangeListener(this);
    }

    /* (non-Javadoc)
     * @see org.eclipse.actf.ai.tts.ITTSEngine#setEventListener(org.eclipse.actf.ai.voice.IVoiceEventListener)
     */
    public void setEventListener(IVoiceEventListener eventListener) {
    	engine.addIndexListener(eventListener);
    }
    
    /* (non-Javadoc)
     * @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)
     */
    public void propertyChange(PropertyChangeEvent event) {
        if( ID.equals(event.getProperty()) ) {
            stop();
            setVoice();
        }
    }

    /* (non-Javadoc)
     * @see org.eclipse.actf.ai.tts.ITTSEngine#speak(java.lang.String, int, int)
     */
    public void speak(String text, int flags, int index) {
        engine.speak(text, flags, index);
    }

    /* (non-Javadoc)
     * @see org.eclipse.actf.ai.tts.ITTSEngine#stop()
     */
    public void stop() {
        engine.reset();
    }

    /* (non-Javadoc)
     * @see org.eclipse.actf.ai.tts.ITTSEngine#getSpeed()
     */
    public int getSpeed() {
        return engine.getSpeed();
    }

    /* (non-Javadoc)
     * @see org.eclipse.actf.ai.tts.ITTSEngine#setSpeed(int)
     */
    public void setSpeed(int speed) {
        engine.setSpeed(speed*8/5+100);
    }

    /* (non-Javadoc)
     * @see org.eclipse.actf.ai.tts.ITTSEngine#setLanguage(java.lang.String)
     */
    public void setLanguage(String language) {
        // NOT AVAILABLE
    }
    
    private static IPreferenceStore preferenceStore = ProTalkerPlugin.getDefault().getPreferenceStore();
    private void setVoice(){
        String voiceName = preferenceStore.getString(ID);
        setVoice(voiceName);
    }
    
    /**
     * Set the voice type of the voice engine.
     * @param type "male" or "female".
     */
    public void setVoice(String type){
        if(type.equals("male")){
            engine.setVoice(ProTalkerBridge.VOICE_MALE);
        }
        else if(type.equals("female")){
            engine.setVoice(ProTalkerBridge.VOICE_FEMALE);            
        }
    }

	/* (non-Javadoc)
	 * @see org.eclipse.actf.ai.tts.ITTSEngine#setGender(java.lang.String)
	 */
	public void setGender(String gender) {
		//Not available
	}

    /* (non-Javadoc)
     * @see org.eclipse.actf.ai.tts.ITTSEngine#isAvailable()
     */
    public boolean isAvailable() {
        return engine.isAvailable();
    }

	/* (non-Javadoc)
	 * @see org.eclipse.actf.ai.tts.ITTSEngine#dispose()
	 */
	public void dispose() {
		
	}
}