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

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

Source

/*
 **************************************************************************
 *                                                                        *
 *               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 com.dimdim.conference.ui.json.client.UIResourceObject;
import com.dimdim.conference.ui.model.client.ConferenceGlobals;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.VerticalPanel;

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

/**
 * @author Jayant Pandit
 * @email Jayant.Pandit@communiva.com
 * 
 * Initial state of the collaboration widget is always blank. This is
 * simple process issue. Let the creation of the objects be as simple
 * as possible. If resource sharing is active at the time of the launch
 * the appropriate panel will be initialized by the collaboration area
 * manager.
 */

public class PPTBroadcasterPanel extends CollaborationWidgetDisplayPanel {
    public PPTBroadcasterPanel() {
        this.add(this.moviePanel);
        this.setCellHorizontalAlignment(this.moviePanel, HorizontalPanel.ALIGN_CENTER);
        this.setCellVerticalAlignment(this.moviePanel, VerticalPanel.ALIGN_TOP);
    }

    /**
     * The whiteboard resource never changes. So once this widget is
     * initialized, it will remain on this single resource.
     */
    public void refreshWidget(UIResourceObject resource, int width, int height) {
        //      if (super.requiresRefresh(resource, width, height))
        //      {
        super.refreshWidget(resource, width, height);
        this.setSize(width + "px", height + "px");
        CollaborationResources cr = this.container.getCollaborationesources();
        this.calculateMovieSize(width, height, cr.getPPTBroadcasterStageAspectRatio(),
                cr.getPPTBroadcasterMinimumWidth(), cr.getPPTBroadcasterMinimumHeight());
        this.moviePanel.setSize(movieWidth + "px", movieHeight + "px");
        if (this.movieWidget == null) {
            super.refreshWidget(resource, width, height);

            //         if (this.movieWidget != null)
            //         {
            //            this.moviePanel.remove(this.movieWidget);
            //            this.movieWidget = null;
            //         }
            String fullMovieUrl = this.container.getCollaborationesources().getPPTBroadcasterMovieURL() + "?"
                    + this.getPptBroadcasterArgs(resource);

            SWFParams movieWidgetParams = new SWFParams(fullMovieUrl, "100%", "100%");//movieWidth,movieHeight);
            movieWidgetParams.setWmode("");
            if (ConferenceGlobals.isBrowserSafari()) {
                movieWidgetParams.setWmode("opaque");
            }
            String s = null;
            movieWidget = new SWFWidget(movieWidgetParams, "pptMovie", "pptMovieDiv", s);
            this.moviePanel.add(movieWidget);
            if (ConferenceGlobals.isBrowserFirefox()) {
                HTML l = new HTML("<span id=\"forceheight\">&nbsp;</span>");
                this.add(l);
            }
        }
        //      }
    }

    private String getPptBroadcasterArgs(UIResourceObject res) {
        StringBuffer buf = new StringBuffer();

        String rtmpUrl = this.container.getCollaborationesources().getStreamingUrlsTable().getWhiteboardRtmpUrl();
        String rtmptUrl = this.container.getCollaborationesources().getStreamingUrlsTable().getWhiteboardRtmptUrl();
        if (!ConferenceGlobals.whiteboardEnabled || rtmpUrl == null || rtmpUrl.length() == 0) {
            rtmpUrl = "disabled";
            rtmptUrl = "disabled";
        }
        String dmsUrl = "http://" + ConferenceGlobals.dmsServerAddress + "/";

        buf.append("dmsUrl=" + dmsUrl);
        buf.append("&slideCount=" + res.getSlideCount());
        buf.append("&pptId=" + res.getMediaId());
        buf.append("&pptName=" + res.getResourceId());
        buf.append("&startSlide=" + res.getLastSlideIndex());
        buf.append("&meetingId=" + ConferenceGlobals.conferenceKeyQualified);
        buf.append("&rtmpUrl=" + rtmpUrl);
        buf.append("&rtmptUrl=" + rtmptUrl);
        buf.append("&ann=ann_on");
        buf.append("&slideWidth=" + res.getWidth());
        buf.append("&slideHeight=" + res.getHeight());
        buf.append("&t=" + System.currentTimeMillis());

        return buf.toString();
    }

    public void widgetHiding() {
        try {
            this.moviePanel.remove(this.movieWidget);
            this.movieWidget = null;
        } catch (Exception e) {

        }
        super.widgetHiding();
    }
}