WebContent/swf10/base/remote/baseVideoStreamDevice.lzx

<library>
<!--
  Licensed to the Apache Software Foundation (ASF) under one
  or more contributor license agreements.  See the NOTICE file
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  regarding copyright ownership.  The ASF licenses this file
  to you under the Apache License, Version 2.0 (the
  "License"); you may not use this file except in compliance
  with the License.  You may obtain a copy of the License at
  
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  KIND, either express or implied.  See the License for the
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<!---
	extends the baseVideoStream with functions to catch Device Events
	this Class uses Events from the Base Class baseVideoStream
	onmicro and oncamera, which are thrown, once a device was set
 -->

<class name="baseVideoStreamDevice" extends="baseVideoStream">

    <switch>
        <when property="$as3">
            <passthrough>
                import flash.events.StatusEvent;
                import flash.events.ActivityEvent;
            </passthrough>
        </when>
    </switch>

	<!--- Shows if there is Activity on the Microphone -->
	<attribute name="micactive" value="false" type="boolean" />
	
    <!--- Level delegate, used to track level changes. 
          @keywords private -->
    <attribute name="_leveldel" value="$once{new LzDelegate(this, '_updateLevel')}"/>
    
    <!--- Audio level, 0-100, the amount of sound detected by this microphone.
          Reset to 0 when there is no audio (no activity or not allowed).
          @keywords readonly -->
    <attribute name="level" type="number" value="0"/>    
        	
	<!--- Shows if there is Activity on the Camera -->
	<attribute name="camactive" value="false" type="boolean" />
	
	<!--- 
	Message to send to Clients
	 -->
	<attribute name="objMessage" value="null" />
	<!--- 
		indicates if the message should be send, you can change the notification 
		level by changing the loudnessAcitviation in the config.xml
	 -->
	<attribute name="isgreater" value="false" type="boolean" />     
	
	<attribute name="doSendNotification" value="true" type="boolean" />	
	
	<!---
	   If true the component will send an event via LocalConnection 
	   when sound is louder or less 5%
	 -->
	<attribute name="sendNotificationViaLocalConnection" value="true" type="boolean" />
	
	<event name="sendCameraStatus" />
    
    <event name="sendMicroStatus" />
    
	<handler name="oncamera" args="c">
		//if ($debug) Debug.write("Cam: ",c);
        c.addEventListener(ActivityEvent.ACTIVITY, onActivity);
        c.addEventListener(StatusEvent.STATUS, onStatus);
	</handler>

    <method name="onStatus" args="stats">
        if ($debug) Debug.write("CamStatus: ",stats);
        this.sendCameraStatus.sendEvent(stats.code);
    </method>

    <method name="onActivity" args="event">
        this.setAttribute("camactive", event.activating);
    </method>
	
	<handler name="onmicro" args="m">
		//if ($debug) Debug.write("Mic: ",m);
		var t = this;
        m.addEventListener(ActivityEvent.ACTIVITY, onMicActivity);
        m.addEventListener(StatusEvent.STATUS, onMicStatus);
	</handler>

    <method name="onMicStatus" args="stats">
    	if ($debug) Debug.write("onMicStatus 1: ",stats);
        this.sendMicroStatus.sendEvent(stats.code);
    </method>

    <method name="onMicActivity" args="event">
        //if ($debug) Debug.write("onMicActivity: ",event);
        this.setAttribute("micactive", event.activating);
    </method>
	
		<!--- Handler for the Flash Microphone onActivity callback. 
              @keywords private -->
	<handler name="onmicactive">
		<![CDATA[
            if (this.onlevel) {
                if (this.micactive) {
                    this._leveldel.register(lz.Idle, "onidle");
                } else {
                    this._leveldel.unregisterAll();
                    this.setAttribute("level", 0);
                }
            }
		]]>
	</handler>
	
	<!--- Handler for updating the microphone activity level attribute. 
			  @keywords private -->
	<method name="_updateLevel" args="arg">
		<![CDATA[
			if (this.micro == null) {
				return;
			}
			var level = this.micro.activityLevel;
			if (level < 0) {
				level = 0;
			}

			if (level != this.level) {
				this.setAttribute("level", level);
			}
		]]>
	</method>	
	
    <!-- 
	    these methods send a Notification to all Connected users of a 
	    Room about the onActivity-Change
     -->
	<handler name="onlevel" args="level">
		<![CDATA[
		
		    //if ($debug) Debug.write("onlevel ",this.level,level);
		
		    if (!this.doSendNotification){
		    	return;
		    }
		    
		    var tVal = null;
		
    		//greater 5 means the green dot starts to blink if the loudness is greater then 5%
    		//it makes no sense to set this to zero as there will be 1000 of events send 
    		//per minute to change the status just of this icon, swagner 12.02.2012
			if (level>8) {
				tVal = true;
			} else {
				tVal = false;
			}
			
			if (this.isgreater != tVal) {
				if ($debug) Debug.write("Level sendNotification ",this.isgreater,tVal,level);
				this.isgreater = tVal;
				this.sendNotification();
			}
			
		]]>
	</handler>    
	
	
	<method name="sendNotification">
		//if ($debug) Debug.write("Level sendNotification ",this.isgreater);
		if (!this.sendNotificationViaLocalConnection) {
		  return;
		}
  		this.objMessage = new Array ();
  		this.objMessage[0] = 'audioActivity';
  		this.objMessage[1] = this.isgreater;
  		this.objMessage[2] = parent.parent.publicSID;
  		//if ($debug) Debug.write("Level sendNotification ",this.objMessage);
  		this.sendMessage.doCall();
	  	//canvas.videoComp_lc.send(canvas.videoComp_lc_name, "sendNotification", this.objMessage);
	</method>
	
	<netRemoteCallHib name="sendMessage" funcname="sendMessage" 
        remotecontext="$once{ canvas.thishib }" showLoading="false" > 
        <netparam><method name="getValue"> return parent.parent.objMessage; </method></netparam>
    </netRemoteCallHib>     

</class>


</library>