/// <summary>
/// Handles the main scriptqueue's dequeue event. Send the data to the encoder.
/// </summary>
/// <param name="queue"></param>
/// <param name="dea"></param>
private void ScriptDequeueHandler(object queue, ScriptEventArgs sea)
{
if (scriptEventsEnabled)
{
//Debug.WriteLine("PresenterManager.ScriptDequeueHandler type=" + sea.type);
if (OnSendRawScript != null)
{
OnSendRawScript(sea);
}
}
}
private void enqueueMain(WorkItem wi, RTUpdate rtu)
{
lock (mainQueue)
mainQueue.Add(wi);
if (wi.Type != "URL")
{
if (OnEnqueue != null)
{
ScriptEventArgs dea = new ScriptEventArgs(Convert.ToBase64String(wi.BC.Buffer, wi.BC.Index, wi.BC.Length), wi.Type);
OnEnqueue(this, dea);
}
}
}
private void enqueueSub(WorkItem wi)
{
lock (subQueue)
subQueue.Add(wi);
if (wi.Type != "URL")
{
if (OnEnqueue != null)
{
ScriptEventArgs dea = new ScriptEventArgs(Convert.ToBase64String(wi.BC.Buffer, wi.BC.Index, wi.BC.Length), wi.Type);
OnEnqueue(this, dea);
//Debug.WriteLine("ScriptQueue.enqueueSub: " + wi.ToString());
}
}
}
/// <summary>
/// Handles the ScriptQueue OnSlideTransition event. Send a URL script type to the encoder.
/// </summary>
/// <param name="url"></param>
private void ScriptSlideTransitionHandler(Object url)
{
PPTLogFileWrite(url.ToString());
if (scriptEventsEnabled)
{
//Debug.WriteLine("PresenterManager.ScriptSlideTransitionHandler url=" + (String)url);
if (OnSendUrlScript != null)
{
ScriptEventArgs sea = new ScriptEventArgs((String)url, "URL");
OnSendUrlScript(sea);
}
}
}
/// <summary>
/// Dequeue next item from subQueue.
/// </summary>
/// <returns>Number of bytes dequeued</returns>
/// Items in the subQueue which are large enough that they need to be fragmented will be
/// skipped over. Those items need to be promoted to the mainQueue before they will be
/// sent.
private int dequeueSub()
{
int dequeueBytes = 0;
int i;
WorkItem wi = null;
bool foundOne;
lock (subQueue)
{
if (subQueue.Count == 0)
{
return(0);
}
foundOne = false;
lock (bwUpdateLockObject) // make sure maxBytesPerSecond doesn't change while we are in this block.
{
for (i = 0; i < subQueue.Count; i++)
{
if (((WorkItem)subQueue[i]).BC.Length <= maxBytesPerSecond)
{
foundOne = true;
break;
}
}
}
if (foundOne)
{
wi = ((WorkItem)subQueue[i]);
dequeueBytes = wi.BC.Length;
subQueue.RemoveAt(i);
}
}
if (foundOne)
{
ScriptEventArgs dea = new ScriptEventArgs(Convert.ToBase64String(wi.BC.Buffer, wi.BC.Index, wi.BC.Length), wi.Type);
if (OnDequeue != null)
{
OnDequeue(this, dea);
}
//Debug.WriteLine("ScriptQueue.dequeueSub: OnDequeue" + wi.ToString());
}
return(dequeueBytes);
}
/// <summary>
/// Dequeue the next item in the mainQueue. If it needs to be fragmented, handle the fragmentation here.
/// </summary>
/// <returns>Number of bytes dequeued</returns>
private int dequeueMain()
{
int dequeueBytes = 0;
WorkItem wi;
string stype;
if (mainQueue.Count == 0)
{
return(0);
}
lock (mainQueue)
{
mainQueue.Sort(new WorkItem.WorkItemComparer()); //sort on timestamp
wi = ((WorkItem)mainQueue[0]);
mainQueue.RemoveAt(0);
}
lock (bwUpdateLockObject) //make sure maxBytesPerSecond doesn't change while we are in this block.
{
if (maxBytesPerSecond == 0)
{
return(0);
}
if (wi.BC.Length <= maxBytesPerSecond)
{
dequeueBytes = wi.BC.Length;
if (wi.Type == "URL")
{
String url = baseUrl + wi.DeckGuid.ToString() + "/slide" + (wi.SlideIndex + 1).ToString() + "." + extent;
if (OnSlideTransition != null)
{
OnSlideTransition(url);
}
lastUrl = url;
//Debug.WriteLine("ScriptQueue.dequeueMain: OnSlideTransition" + wi.ToString());
}
else
{
ScriptEventArgs dea = new ScriptEventArgs(Convert.ToBase64String(wi.BC.Buffer, wi.BC.Index, wi.BC.Length), wi.Type);
if (OnDequeue != null)
{
OnDequeue(this, dea);
}
//Debug.WriteLine("ScriptQueue.dequeueMain: OnDequeue" + wi.ToString());
}
}
else if (wi.Type != "URL") //if a URL needs to be fragmented, forget about it.
{
// send fragments
while (wi.BC.Length > 0)
{
if (wi.BC.Length > maxBytesPerSecond)
{
stype = fragmentType;
dequeueBytes = maxBytesPerSecond;
}
else
{
stype = scriptType; // The final fragment is sent with normal script type.
dequeueBytes = wi.BC.Length;
}
BufferChunk nbc = wi.BC.NextBufferChunk(dequeueBytes);
ScriptEventArgs dea = new ScriptEventArgs(Convert.ToBase64String(nbc.Buffer, nbc.Index, nbc.Length), stype);
if (OnDequeue != null)
{
OnDequeue(this, dea);
}
Debug.WriteLine("ScriptQueue.dequeueMain: OnDequeue (fragment)" + wi.ToString());
if (wi.BC.Length > 0)
{
Thread.Sleep(1000);
}
}
}
}
return(dequeueBytes);
}
/// <summary>
/// Log WebViewer compliant presentation archive
/// </summary>
/// <param name="queue"></param>
/// <param name="dea"></param>
private void ScriptEnqueueHandler(object queue, ScriptEventArgs dea)
{
ScriptLogFileWrite(dea.type, dea.data);
}
