//
// Public functions
//
// Binds an LED object to a controller.
public void AssociateLed(int startingSlot, Led assoicateLed)
{
if (assoicateLed == null)
{
throw new ArgumentNullException("Led can't be null!");
}
if(startingSlot < 0)
{
throw new ArgumentOutOfRangeException("The LED slot can't be < 0!");
}
// Get how many slots are needed
int slotsNeeded = assoicateLed.GetBase().SlotsRequired;
lock (m_ledMap)
{
// Make sure there is enough room in the position requested to
// hold the new LED
for (int i = 0; i < slotsNeeded; i++)
{
// Check if something exists at that key
if (m_ledMap.ContainsKey(i + startingSlot))
{
// If it does, see if it is still valid
Led tempLed;
if (m_ledMap[i + startingSlot].TryGetTarget(out tempLed))
{
// The LED actually exists, we can't add the LED here
throw new ArgumentException("The requested position is already occupied by a LED. Remember RBG LEDs take 3 slots!");
}
else
{
// If we get here we have an entry for a LED that is gone. Remove it
m_ledMap.Remove(startingSlot + i);
}
}
}
}
// Inform the listener that slots need to be added. The listener should throw if
// this fails.
m_controllerExtener.NotifiySlotsAdded(startingSlot, slotsNeeded);
// Now actually add the LEDs to the map.
lock(m_ledMap)
{
for (int i = 0; i < slotsNeeded; i++)
{
m_ledMap.Add(startingSlot + i, new WeakReference<Led>(assoicateLed));
}
}
// Inform the LED of the association
assoicateLed.GetBase().SetNotificationCallback(startingSlot, this);
}
// Breaks the association with a LED and the controller
public void DissociateLed(Led dissociateLed)
{
if(dissociateLed == null)
{
throw new ArgumentNullException("The LED can't be null!");
}
int startingPosition = dissociateLed.GetBase().FirstSlot;
int slotsFilled = dissociateLed.GetBase().SlotsRequired;
// Remove the LED from the map
lock (m_ledMap)
{
for (int i = 0; i < slotsFilled; i++)
{
m_ledMap.Remove(startingPosition + i);
}
}
// Remove the association with the LED
dissociateLed.GetBase().RemoveNotificationCallback();
// Tell the listener last, if they fail we still want to do our logic
m_controllerExtener.NotifiySlotsRevmoed(startingPosition, slotsFilled);
}
