internal void SelectConversation(Mode c)
{
if (c == null)
{
Talker.Say("Trying to start non-existant conversation", Talk.BeepType.Bad );
return;
}
// Avoid multiple starts.
if (currentMode == c) return;
// Let the old conversation deactivate any event hooks, grammars, etc.
if (currentMode != null)
currentMode.Stop();
currentMode = c;
currentMode.Start();
}
/// <summary>
/// Start an interrupting conversation.
/// </summary>
void StartInterruption()
{
// Remember what we were talking about.
if (interrupted == null)
interrupted = currentMode;
// Visually they stack up, so we take the last one first.
currentMode = interruptions.Last();
currentMode.Start();
}
/// <summary>
/// Finish an interruption and resume normal conversation
/// </summary>
internal void FinishInterruption( Mode m )
{
lock (interruptions)
{
// Remove the terminating interruption from the list.
interruptions.Remove(m);
// Let it remove any event hooks, etc
m.Stop();
// If there are any other interruptions pending, start one.
// Otherwise resume the interrupted conversation.
if (interruptions.Count > 0)
StartInterruption();
else
{
currentMode = interrupted;
interrupted = null;
currentMode.Start();
}
}
}
/// <summary>
/// Remove the context for a conversation that is no longer visible.
/// </summary>
/// <param name="name"></param>
internal void RemoveConversation(string name)
{
bool change = false;
lock (conversations)
{
if (conversations.ContainsKey(name))
{
Mode doomed = conversations[name];
if (currentMode == doomed)
{
change = true;
currentMode = chat;
}
if (interrupted == doomed)
interrupted = chat;
conversations.Remove(name);
if (change)
SelectConversation(currentMode);
}
}
}
internal void ChangeFocus(Mode toThis)
{
currentMode = toThis;
if (currentMode != null)
currentMode.Start();
}
internal bool amCurrent(Mode m)
{
return (currentMode == m);
}
/// <summary>
/// Take note of a new interruption.
/// </summary>
/// <param name="m"></param>
internal void AddInterruption(Mode m)
{
lock (interruptions)
{
// Add to the end of the list.
interruptions.AddLast(m);
// If the list WAS empty, start this.
if (interruptions.Count == 1)
StartInterruption();
}
}
/// <summary>
/// Add a conversation context to those we are tracking.
/// </summary>
/// <param name="m"></param>
internal void AddConversation(Mode m)
{
if (!conversations.ContainsKey(m.Title))
conversations[m.Title] = m;
}
internal void SelectConversation(Mode c)
{
if (c == null)
{
Logger.Log("Trying to start non-existant conversation", Helpers.LogLevel.Warning);
return;
}
// Avoid multiple starts.
if (currentMode == c) return;
// Let the old conversation deactivate any event hooks, grammars, etc.
if (currentMode != null)
currentMode.Stop();
currentMode = c;
currentMode.Start();
}