357 lines
14 KiB
XML
Executable File
357 lines
14 KiB
XML
Executable File
<?xml version="1.0" encoding="utf-8"?>
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<!--
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BigBlueButton open source conferencing system - http://www.bigbluebutton.org/
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Copyright (c) 2012 BigBlueButton Inc. and by respective authors (see below).
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This program is free software; you can redistribute it and/or modify it under the
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terms of the GNU Lesser General Public License as published by the Free Software
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Foundation; either version 3.0 of the License, or (at your option) any later
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version.
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BigBlueButton is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
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-->
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<mx:Application xmlns:mx="library://ns.adobe.com/flex/mx"
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xmlns:fx="http://ns.adobe.com/mxml/2009"
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xmlns:mate="http://mate.asfusion.com/"
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creationComplete="onCreationComplete()" resize="onResize()"
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backgroundColor="white"
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width="100%" height="100%"
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layout="absolute">
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<fx:Declarations>
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<mate:Listener type="{AppletStartedEvent.APPLET_STARTED}" method="onAppletStart" />
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<mate:Listener type="{ViewStreamEvent.STOP}" method="onAppletStop" />
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<mate:Listener type="{ViewStreamEvent.START}" method="onViewStreamStart"/>
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<mate:Listener type="{CursorEvent.UPDATE_CURSOR_LOC_EVENT}" method="onUpdateCursorEvent" />
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<mate:Listener type="{ConnectionEvent.SUCCESS}" method="onDeskshareConnectionEvent" />
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</fx:Declarations>
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<fx:Script>
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<![CDATA[
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import mx.core.UIComponent;
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import org.bigbluebutton.modules.screenshare.events.AppletStartedEvent;
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import org.bigbluebutton.modules.screenshare.events.CursorEvent;
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import org.bigbluebutton.modules.screenshare.events.ViewStreamEvent;
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import org.bigbluebutton.modules.screenshare.services.ScreenshareService;
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import org.bigbluebutton.modules.screenshare.services.red5.ConnectionEvent;
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import org.bigbluebutton.util.QueryStringParameters;
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private var videoHolder:UIComponent;
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private var cursor:Shape = new Shape();;
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private var video:Video;
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private var ns:NetStream;
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private var stream:String;
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private var logoutURL:String;
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private var host:String;
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private var room:String;
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private var displayWidth:Number;
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private var displayHeight:Number;
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private var service:ScreenshareService = new ScreenshareService();
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private var videoWidth:int;
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private var videoHeight:int;
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private function onCreationComplete():void {
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var p:QueryStringParameters = new QueryStringParameters();
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p.collectParameters();
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logoutURL = p.getParameter("LOGOUTURL");
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host = p.getParameter("HOST");
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room = p.getParameter("ROOM");
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service.connect(host, room);
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cursor.graphics.lineStyle(6, 0xFF0000, 0.6);
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cursor.graphics.drawCircle(0,0,3);
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cursor.visible = false;
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displayWidth = this.parent.width;
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displayHeight = this.parent.height;
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}
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private function onAppletStart(event:AppletStartedEvent):void{
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trace("DeskshareSA::onAppletStart.");
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startVideo(service.getConnection().getConnection(), room, event.videoWidth, event.videoHeight);
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}
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private function onViewStreamStart(event:ViewStreamEvent):void {
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trace("DeskshareSA::onViewStreamStart.");
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// startVideo(service.getConnection(), room, event.videoWidth, event.videoHeight);
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}
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private function onAppletStop(event:ViewStreamEvent):void {
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trace("DeskshareSA::onAppletStop.");
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var url:URLRequest = new URLRequest(logoutURL);
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navigateToURL(url, '_self');
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}
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private function onDeskshareConnectionEvent(event:ConnectionEvent):void {
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var warningText:String;
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switch(event.type) {
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case ConnectionEvent.SUCCESS:
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warningText = "Connecting to server successful.";
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break;
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case ConnectionEvent.FAILED:
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warningText = "Connecting to server failed.";
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break;
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case ConnectionEvent.CLOSED:
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warningText = "Connection to server closed.";
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break;
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case ConnectionEvent.REJECTED:
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warningText = "Connection to server rejected.";
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break;
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case ConnectionEvent.INVALIDAPP:
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warningText = "Connecting to server failed. Invalid application.";
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break;
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case ConnectionEvent.APPSHUTDOWN:
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warningText = "Connection to server failed. Server shutting down.";
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break;
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case ConnectionEvent.SECURITYERROR:
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warningText = "Connecting to server failed. Security error.";
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break;
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case ConnectionEvent.DISCONNECTED:
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warningText = "Connection to server disconnected.";
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break;
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case ConnectionEvent.CONNECTING:
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warningText = "Connecting to server...";
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break;
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case ConnectionEvent.CONNECTING_RETRY:
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warningText = "Connecting to server failed. Retry [" + event.retryAttempts + "]";
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break;
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case ConnectionEvent.CONNECTING_MAX_RETRY:
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warningText = "Connecting to server failed. Max retry reached. Giving up.";
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break;
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case ConnectionEvent.CHECK_FOR_DESKSHARE_STREAM:
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warningText = "Loading...";
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break;
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case ConnectionEvent.FAIL_CHECK_FOR_DESKSHARE_STREAM:
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warningText = "Loading shared desktop failed.";
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break;
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case ConnectionEvent.NO_DESKSHARE_STREAM:
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warningText = "Desktop is not shared.";
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break;
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}
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showStatusText(warningText, true, "0x000000");
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trace("CONNECT STATUS EVENT [" + event.type + "]");
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}
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private function startVideo(connection:NetConnection, stream:String, videoWidth:Number, videoHeight:Number):void{
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ns = new NetStream(connection);
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ns.addEventListener( NetStatusEvent.NET_STATUS, onNetStatus );
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ns.addEventListener(AsyncErrorEvent.ASYNC_ERROR, onAsyncError);
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ns.client = this;
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ns.bufferTime = 0;
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ns.receiveVideo(true);
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ns.receiveAudio(false);
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video = new Video(videoWidth, videoHeight);
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video.attachNetStream(ns);
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this.videoWidth = videoWidth;
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this.videoHeight = videoHeight;
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videoHolder = new UIComponent();
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trace("DeskshareSA::Determine how to display video = [" + videoWidth + "x" + videoHeight + "] display=[" + this.width + "x" + this.height + "]");
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determineHowToDisplayVideo();
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ns.play(stream);
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this.stream = stream;
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}
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private function onMetaData(info:Object):void {
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trace("DeskshareSA:: ****metadata: width=" + info.width + " height=" + info.height);
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videoWidth = info.width;
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videoHeight = info.height;
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// determineHowToDisplayVideo();
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}
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private function onResize():void {
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if (video != null) {
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determineHowToDisplayVideo();
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}
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}
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private function onUpdateCursorEvent(event:CursorEvent):void {
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if (cursor == null) return;
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cursor.x = videoHolder.x + (event.x * (videoHolder.width / videoWidth));
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cursor.y = videoHolder.y + (event.y * (videoHolder.height / videoHeight));
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cursorImg.visible = true;
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// DO NOT compute the x and y coordinate and assign directly to the cursorImg
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// as it results in a flickering and jerky mouse pointer (ralam jun 10, 2010).
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cursorImg.x = cursor.x;
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cursorImg.y = cursor.y;
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}
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public function stopViewing():void {
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ns.close();
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}
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private function onAsyncError(e:AsyncErrorEvent):void{
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trace("DeskshareSA::::asyncerror " + e.toString());
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}
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private function onNetStatus(e:NetStatusEvent):void{
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switch(e.info.code){
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case "NetStream.Play.Start":
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trace("DeskshareSA::NetStream.Publish.Start for broadcast stream " + stream);
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trace("DeskshareSA::Dispatching start viewing event");
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//service.sendStartedViewingNotification(stream);
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break;
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case "NetStream.Play.UnpublishNotify":
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trace("DeskshareSA::NetStream.Play.UnpublishNotify for broadcast stream " + stream);
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stopViewing();
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break;
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case "NetStream.DRM.UpdateNeeded":
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case "NetStream.Play.Failed":
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case "NetStream.Play.FileStructureInvalid":
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case "NetStream.Play.NoSupportedTrackFound":
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case "NetStream.Play.StreamNotFound":
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// case "NetStream.Play.Reset":
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showStatusText(e.info.code, true, "0x000000");
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break;
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}
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trace("NET STATUS EVENT [" + e.info.code + "]");
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}
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//----------------------------
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private function centerToWindow():void{
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videoHolder.width = video.width = videoWidth;
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videoHolder.height = video.height = videoHeight;
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videoHolder.x = video.x = (this.width - video.width) / 4;
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videoHolder.y = video.y = (this.height - video.height) / 4;
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trace("DeskshareSA::Center video = [" + video.width + "x" + video.height
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+ "] display=[" + this.width + "x" + this.height + "]"
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+ "loc=[" + videoHolder.x + "," + videoHolder.y + "]");
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videoHolder.addChild(video);
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videoHolder.addChild(cursor);
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videoHolder.addChild(cursorImg);
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showVideoHolder();
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}
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private function fitVideoToWindow():void {
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if (width < height) {
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fitToWidthAndAdjustHeightToMaintainAspectRatio();
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} else {
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fitToHeightAndAdjustWidthToMaintainAspectRatio();
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}
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}
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private function videoIsSmallerThanWindow():Boolean {
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return (videoHeight < height) && (videoWidth < width);
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}
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private function fitToWidthAndAdjustHeightToMaintainAspectRatio():void {
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trace("DeskshareSA::fitToWidthAndAdjustHeightToMaintainAspectRatio");
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videoHolder.width = video.width = width;
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// Maintain aspect-ratio
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videoHolder.height = video.height = (videoHeight * video.width) / videoWidth;
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videoHolder.x = video.x = 0;
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videoHolder.y = video.y = 0;
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trace("DeskshareSA::Disp video = [" + video.width + "x" + video.height
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+ "] display=[" + this.width + "x" + this.height + "]"
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+ "loc=[" + videoHolder.x + "," + videoHolder.y + "]");
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videoHolder.addChild(video);
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videoHolder.addChild(cursor);
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videoHolder.addChild(cursorImg);
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showVideoHolder();
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}
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private function fitToHeightAndAdjustWidthToMaintainAspectRatio():void {
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trace("DeskshareSA::fitToHeightAndAdjustWidthToMaintainAspectRatio");
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videoHolder.height = video.height = height;
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// Maintain aspect-ratio
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videoHolder.width = video.width = (videoWidth * video.height) / videoHeight;
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if (videoHolder.width > width) {
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videoHolder.width = video.width = width;
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videoHolder.height = video.height = (videoHeight * video.width) / videoWidth;
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}
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videoHolder.x = video.x = (width - video.width) / 4;
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videoHolder.y = video.y = (height - video.height) / 4;
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trace("DeskshareSA::Disp video = [" + video.width + "x" + video.height
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+ "] display=[" + this.width + "x" + this.height + "]"
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+ "loc=[" + videoHolder.x + "," + videoHolder.y + "]");
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videoHolder.addChild(video);
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videoHolder.addChild(cursor);
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videoHolder.addChild(cursorImg);
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showVideoHolder();
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}
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private function showVideoHolder():void {
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addChild(videoHolder);
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}
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private function determineHowToDisplayVideo():void {
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// if (videoIsSmallerThanWindow()) {
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// trace("Video is smaller than window. Centering.");
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centerToWindow();
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// } else {
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// trace("Video is greater than window. Scaling.");
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// fitVideoToWindow();
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// }
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}
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private var hideStatusTextTimer:Timer = null;
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private function showStatusText(statusText:String, autoHide:Boolean=false, color:String="0xFF0000"):void {
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if (hideStatusTextTimer != null)
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hideStatusTextTimer.stop();
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if (autoHide) {
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hideStatusTextTimer = new Timer(3000, 1);
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hideStatusTextTimer.addEventListener(TimerEvent.TIMER, hideStatusText);
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hideStatusTextTimer.start();
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}
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// bring the label to front
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setChildIndex(statusTextDisplay, getChildren().length - 1);
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statusTextDisplay.text = statusText;
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statusTextDisplay.setStyle("color", color);
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statusTextDisplay.visible = true;
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}
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private function hideStatusText(e:TimerEvent):void {
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statusTextDisplay.visible = false;
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}
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]]>
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</fx:Script>
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<mx:Image id="cursorImg" visible="false" source="@Embed('org/bigbluebutton/modules/screenshare/assets/images/cursor4.png')"/>
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<fx:Declarations>
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<mx:Fade id="dissolveOut" duration="1000" alphaFrom="1.0" alphaTo="0.0"/>
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<mx:Fade id="dissolveIn" duration="1000" alphaFrom="0.0" alphaTo="1.0"/>
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</fx:Declarations>
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<mx:Text id="statusTextDisplay" width="100%" fontSize="14" fontWeight="bold" textAlign="center" y="{(this.height - statusTextDisplay.height) / 2}"
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visible="false" selectable="false" hideEffect="{dissolveOut}" showEffect="{dissolveIn}"/>
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</mx:Application>
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