/// <summary>
/// Send a network message with the changes to the InstructorModel
/// </summary>
/// <param name="receivers"></param>
private void SendGenericChange(Group receivers)
{
Message message = new InstructorMessage(this.m_Instructor);
message.Group = receivers;
this.Sender.Send(message);
}
/// <summary>
/// Send a network message with the updated deck traversal
/// </summary>
/// <param name="receivers"></param>
private void SendCurrentDeckTraversalChange(Group receivers)
{
using (Synchronizer.Lock(this.m_Instructor.SyncRoot)) {
DeckTraversalModel traversal = this.m_Instructor.CurrentDeckTraversal;
if (traversal != null)
{
Message message = new InstructorMessage(this.m_Instructor);
message.Group = receivers;
// Create a SlideMessage/TableOfContentsEntryMessage which will be the
// InstructorCurrentDeckTraversalChangedMessage's predecessor.
using (Synchronizer.Lock(traversal.SyncRoot)) {
Message slide = new SlideInformationMessage(traversal.Current.Slide);
using (Synchronizer.Lock(traversal.Deck.SyncRoot)) {
if ((traversal.Deck.Disposition & (DeckDisposition.StudentSubmission | DeckDisposition.QuickPoll)) != 0)
{
slide.Group = Groups.Group.Submissions;
}
}
slide.InsertChild(new TableOfContentsEntryMessage(traversal.Current));
message.InsertChild(slide);
}
message.InsertChild(new InstructorCurrentDeckTraversalChangedMessage(traversal));
#if DEBUG
// Add logging of slide change events
string pres_name = "";
using (Synchronizer.Lock(this.m_CurrentPresentation.SyncRoot))
pres_name = this.m_CurrentPresentation.HumanName;
string deck_name = "";
using (Synchronizer.Lock(traversal.Deck.SyncRoot))
deck_name = traversal.Deck.HumanName;
int slide_index = 0;
Guid slide_guid = Guid.Empty;
using (Synchronizer.Lock(traversal.SyncRoot)) {
if (traversal.Current != null)
{
using (Synchronizer.Lock(traversal.Current.SyncRoot)) {
slide_index = traversal.Current.IndexInParent;
using (Synchronizer.Lock(traversal.Current.Slide.SyncRoot)) {
slide_guid = traversal.Current.Slide.Id;
}
}
}
}
Debug.WriteLine(string.Format("DECK CHANGE ({0}): Pres -- {1}, Deck -- {2}, Slide -- {3}, Guid -- {4}",
System.DateTime.Now.Ticks, pres_name, deck_name, slide_index, slide_guid));
#endif
message.Tags = new MessageTags();
message.Tags.BridgePriority = MessagePriority.Higher;
this.Sender.Send(message);
}
}
}
/// <summary>
/// Send a PresentationStartedMessage
/// </summary>
/// <param name="receivers">The group of receivers to get this message</param>
private void SendPresentationStartedMessage(Group receivers)
{
// Caller must lock(this).
Debug.Assert(this.m_CurrentPresentation != null);
// FIXME: Send a message if the instructor's CurrentPresentation is set to null.
if (this.m_CurrentPresentation != null)
{
Message message = new InstructorMessage(this.m_Instructor);
message.Group = receivers;
message.InsertChild(new InstructorCurrentPresentationChangedMessage(this.m_CurrentPresentation));
this.Sender.Send(message);
}
}
/// <summary>
/// Send a PresentationStartedMessage
/// </summary>
/// <param name="receivers">The group of receivers to get this message</param>
private void SendPresentationStartedMessage(Group receivers)
{
// Caller must lock(this).
Debug.Assert(this.m_CurrentPresentation != null);
// FIXME: Send a message if the instructor's CurrentPresentation is set to null.
if (this.m_CurrentPresentation != null) {
Message message = new InstructorMessage(this.m_Instructor);
message.Group = receivers;
message.InsertChild(new InstructorCurrentPresentationChangedMessage(this.m_CurrentPresentation));
this.Sender.Send(message);
}
}
/// <summary>
/// Send a network message with the changes to the InstructorModel
/// </summary>
/// <param name="receivers"></param>
private void SendGenericChange(Group receivers)
{
Message message = new InstructorMessage(this.m_Instructor);
message.Group = receivers;
this.Sender.Send(message);
}
/// <summary>
/// Send a network message with the updated deck traversal
/// </summary>
/// <param name="receivers"></param>
private void SendCurrentDeckTraversalChange(Group receivers)
{
using(Synchronizer.Lock(this.m_Instructor.SyncRoot)) {
DeckTraversalModel traversal = this.m_Instructor.CurrentDeckTraversal;
if(traversal != null) {
Message message = new InstructorMessage(this.m_Instructor);
message.Group = receivers;
// Create a SlideMessage/TableOfContentsEntryMessage which will be the
// InstructorCurrentDeckTraversalChangedMessage's predecessor.
using (Synchronizer.Lock(traversal.SyncRoot)) {
Message slide = new SlideInformationMessage(traversal.Current.Slide);
using (Synchronizer.Lock(traversal.Deck.SyncRoot)) {
if( (traversal.Deck.Disposition & (DeckDisposition.StudentSubmission | DeckDisposition.QuickPoll) ) != 0 )
slide.Group = Groups.Group.Submissions;
}
slide.InsertChild(new TableOfContentsEntryMessage(traversal.Current));
message.InsertChild(slide);
}
message.InsertChild(new InstructorCurrentDeckTraversalChangedMessage(traversal));
#if DEBUG
// Add logging of slide change events
string pres_name = "";
using( Synchronizer.Lock( this.m_CurrentPresentation.SyncRoot ) )
pres_name = this.m_CurrentPresentation.HumanName;
string deck_name = "";
using( Synchronizer.Lock( traversal.Deck.SyncRoot ) )
deck_name = traversal.Deck.HumanName;
int slide_index = 0;
Guid slide_guid = Guid.Empty;
using( Synchronizer.Lock( traversal.SyncRoot ) ) {
if( traversal.Current != null )
using (Synchronizer.Lock(traversal.Current.SyncRoot)) {
slide_index = traversal.Current.IndexInParent;
using (Synchronizer.Lock(traversal.Current.Slide.SyncRoot)) {
slide_guid = traversal.Current.Slide.Id;
}
}
}
Debug.WriteLine( string.Format( "DECK CHANGE ({0}): Pres -- {1}, Deck -- {2}, Slide -- {3}, Guid -- {4}",
System.DateTime.Now.Ticks, pres_name, deck_name, slide_index, slide_guid ) );
#endif
message.Tags = new MessageTags();
message.Tags.BridgePriority = MessagePriority.Higher;
this.Sender.Send(message);
}
}
}
