com.dimdim.conference.ui.sharing.client.CollaborationWidgetDisplayPanel.java Source code

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Here is the source code for com.dimdim.conference.ui.sharing.client.CollaborationWidgetDisplayPanel.java

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/*
 **************************************************************************
 *                                                                        *
 *               DDDDD   iii             DDDDD   iii                      *
 *               DD  DD      mm mm mmmm  DD  DD      mm mm mmmm           *
 *               DD   DD iii mmm  mm  mm DD   DD iii mmm  mm  mm          *
 *               DD   DD iii mmm  mm  mm DD   DD iii mmm  mm  mm          *
 *               DDDDDD  iii mmm  mm  mm DDDDDD  iii mmm  mm  mm          *
 *                                                                        *
 **************************************************************************
 **************************************************************************
 *                                                                        *
 * Part of the DimDim V 2.0 Codebase (http://www.dimdim.com)             *
 *                                                                        *
 * Copyright (c) 2008 Dimdim Inc. All Rights Reserved.                   *
 *                                                                        *
 *                                                                        *
 * This code is licensed under the DimDim License                         *
 * For details please visit http://www.dimdim.com/license                 *
 *                                                                        *
 **************************************************************************
 */

package com.dimdim.conference.ui.sharing.client;

import pl.rmalinowski.gwt2swf.client.ui.SWFWidget;

import com.dimdim.conference.ui.json.client.UIResourceObject;
import com.google.gwt.user.client.ui.HorizontalPanel;

/**
 * @author Jayant Pandit
 * @email Jayant.Pandit@communiva.com
 * 
 */

public abstract class CollaborationWidgetDisplayPanel extends HorizontalPanel implements CollaborationWidget {
    protected CollaborationWidgetContainer container;

    protected UIResourceObject currentResource;

    protected int lastKnownWidth;
    protected int lastKnownHeight;

    protected int movieWidth = 0;
    protected int movieHeight = 0;

    protected SWFWidget movieWidget = null;
    protected HorizontalPanel moviePanel;

    public CollaborationWidgetDisplayPanel() {
        this.moviePanel = new HorizontalPanel();
    }

    public UIResourceObject getCurrentResource() {
        return currentResource;
    }

    public void refreshWidget(UIResourceObject resource, int width, int height) {
        this.currentResource = resource;
        this.lastKnownWidth = width;
        this.lastKnownHeight = height;
    }

    protected boolean requiresRefresh(UIResourceObject resource, int width, int height) {
        if (this.currentResource == null) {
            return true;
        }
        if (!this.currentResource.getResourceId().equals(this.currentResource.getResourceId())
                || this.lastKnownWidth != width || this.lastKnownHeight == height) {
            return true;
        }
        return false;
    }

    protected void calculateMovieSize(int newWidth, int newHeight, int baseAspectRatio, int minimumWidth,
            int minimumHeight) {
        this.movieWidth = newWidth;
        if (this.movieWidth < minimumWidth) {
            this.movieWidth = minimumWidth;
        }
        this.movieHeight = newHeight;
        if (this.movieHeight < minimumHeight) {
            this.movieHeight = minimumHeight;
        }
        int moviePanelAspectRatio = this.container.getContainerWidth() * 1000 / this.container.getContainerHeight();
        if (baseAspectRatio == moviePanelAspectRatio) {
            //   Exact size. Will have to be very lucky to get here.
        } else if (moviePanelAspectRatio < baseAspectRatio) {
            //   Available height is larger than required to match the full
            //   width. Keep the width same and reduce the movie height to
            //   scale.
            this.movieHeight = (this.movieWidth * 1000) / baseAspectRatio;
        } else {
            //   Available width is larger than required to match the full
            //   height. Keep the height same and reduce the width.
            this.movieWidth = (this.movieHeight * baseAspectRatio) / 1000;
        }
    }

    public void setContainer(CollaborationWidgetContainer container) {
        this.container = container;
    }

    //   public void widgetDeactivating()
    //   {
    //   }
    public void widgetHiding() {
    }

    //   public void widgetShowing()
    //   {
    //   }
    public int getLastKnownHeight() {
        return lastKnownHeight;
    }

    public int getLastKnownWidth() {
        return lastKnownWidth;
    }

    public int getMovieHeight() {
        return movieHeight;
    }

    public int getMovieWidth() {
        return movieWidth;
    }
}