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A fork of @kirilcool's substance project
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/*
 * Copyright (c) 2005-2010 Substance Kirill Grouchnikov. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  o Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 *  o Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 *  o Neither the name of Substance Kirill Grouchnikov nor the names of
 *    its contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.pushingpixels.substance.flamingo.utils;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

import org.pushingpixels.flamingo.api.common.AbstractCommandButton;
import org.pushingpixels.flamingo.api.common.JCommandButton;
import org.pushingpixels.substance.internal.animation.StateTransitionTracker;

public class CommandButtonVisualStateTracker {
	/**
	 * Property change listener.
	 */
	protected PropertyChangeListener substancePropertyListener;

	/**
	 * Listener for transition animations on the action area.
	 */
	protected StateTransitionTracker actionStateTransitionTracker;

	/**
	 * Listener for transition animations on the popup area.
	 */
	protected StateTransitionTracker popupStateTransitionTracker;

	public void installListeners(final AbstractCommandButton b) {
		this.substancePropertyListener = new PropertyChangeListener() {
			@Override
            public void propertyChange(PropertyChangeEvent evt) {
				if ("actionModel".equals(evt.getPropertyName())) {
					// action model has been changed
					actionStateTransitionTracker.setModel(b.getActionModel());
				}
				if ("popupModel".equals(evt.getPropertyName())) {
					JCommandButton jcb = (JCommandButton) b;
					// popup model has been changed
					popupStateTransitionTracker.setModel(jcb.getPopupModel());
				}
			}
		};
		b.addPropertyChangeListener(this.substancePropertyListener);

		this.actionStateTransitionTracker = new StateTransitionTracker(b, b
				.getActionModel());
		this.actionStateTransitionTracker.registerModelListeners();

		if (b instanceof JCommandButton) {
			JCommandButton jcb = (JCommandButton) b;
			this.popupStateTransitionTracker = new StateTransitionTracker(jcb,
					jcb.getPopupModel());
			this.popupStateTransitionTracker.registerModelListeners();
		}
	}

	public void uninstallListeners(AbstractCommandButton b) {
		b.removePropertyChangeListener(this.substancePropertyListener);
		this.substancePropertyListener = null;

		this.actionStateTransitionTracker.unregisterModelListeners();
		this.actionStateTransitionTracker = null;

		if (this.popupStateTransitionTracker != null) {
			this.popupStateTransitionTracker.unregisterModelListeners();
			this.popupStateTransitionTracker = null;
		}
	}

	public StateTransitionTracker getActionStateTransitionTracker() {
		return actionStateTransitionTracker;
	}

	public StateTransitionTracker getPopupStateTransitionTracker() {
		return popupStateTransitionTracker;
	}

}