com.nokia.tools.variant.preview.PluginImages.java Source code

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Here is the source code for com.nokia.tools.variant.preview.PluginImages.java

Source

/*
 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
 * All rights reserved.
 * This component and the accompanying materials are made available
 * under the terms of "Eclipse Public License v1.0"
 * which accompanies this distribution, and is available
 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
 * 
 * Initial Contributors:
 * Nokia Corporation - Initial contribution
 * 
 * Contributors:
 * 
 * Description: This file is part of com.nokia.tools.variant.preview component.
 */

package com.nokia.tools.variant.preview;

import java.net.URL;

import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.graphics.ImageData;

/**
 * Static image cache.
 */
public final class PluginImages {
    public static final ImageDescriptor FORWARD;
    public static final ImageDescriptor PAN;
    public static final ImageDescriptor PAUSE;
    public static final ImageDescriptor PLAY;
    public static final ImageDescriptor REWIND;
    public static final ImageDescriptor STOP;
    public static final ImageDescriptor LOOP;
    public static final ImageDescriptor ZOOM_IN;
    public static final ImageDescriptor ZOOM_OUT;
    public static final ImageDescriptor ZOOM_ORIGINAL;

    static {
        FORWARD = loadImage("forward_16_pre.png");
        PAN = loadImage("pan_16_pre.png");
        PAUSE = loadImage("pause_16_pre.png");
        PLAY = loadImage("play_16_pre.png");
        REWIND = loadImage("rewind_16_pre.png");
        STOP = loadImage("stop_16_pre.png");
        LOOP = loadImage("loop_16_pre.png");
        ZOOM_IN = loadImage("zoomin_16_pre.png");
        ZOOM_OUT = loadImage("zoomout_16_pre.png");
        ZOOM_ORIGINAL = loadImage("zoomoriginal_16_pre.png");
    }

    /**
     * Preloads image into backbuffer and then wraps into
     * {@link ImageDescriptor}
     * 
     * @param name
     *            image name
     * @return
     */
    private static ImageDescriptor loadImage(String name) {
        URL entry = null;
        ImageData id = null;
        try {
            entry = ContentPreviewPlugin.getDefault().getBundle().getEntry("icons/player/" + name);
            id = new ImageData(entry.openStream());
            return ImageDescriptor.createFromImageData(id);
        } catch (Exception ex) {
            ContentPreviewPlugin.logError("Failed to load icon " + name, ex);
            return null;
        } finally {
            if (id != null) {
                id = null;
            }
            if (entry != null) {
                entry = null;
            }
        }
    }
}