public static void UnsubscribeFromEvent(EventDataCallback callback, Component component, EventType type)
{
CallbackComponentPair pair = new CallbackComponentPair(callback, component);
if (componentEventsData.ContainsKey(type))
{
componentEventsData[type].Unsubscribe(pair);
}
}
/// <summary>
/// Subscribe to an event with a callback. This removes all previous subscriptions for this event.
/// </summary>
/// <param name="callback"></param>
/// <param name="type"></param>
public static void OverrideSubscription(EventDataCallback callback, Component component, EventType type)
{
CallbackComponentPair pair = new CallbackComponentPair(callback, component);
ComponentEventsContainer cont = new ComponentEventsContainer();
cont.AddPair(pair);
componentEventsData.Add(type, cont);
}
public void Unsubscribe(CallbackComponentPair pair)
{
for (int i = 0; i < pairs.Count; i++)
{
if (pair.Equals(pairs[i]))
{
pairs.RemoveAt(i);
i--;
return;
}
}
}
public override bool Equals(object obj)
{
if (GetType() != obj.GetType())
{
return(false);
}
CallbackComponentPair other = (CallbackComponentPair)obj;
bool type = CallbackWithData == other.CallbackWithData;
bool comp = Component.Equals(other.Component);
return(type && comp);
}
/// <summary>
/// Subscribe to an event with a callback from a component. The subscription is removed automatically when the component is destroyed.
/// </summary>
/// <param name="callback"></param>
/// <param name="component"></param>
/// <param name="type"></param>
public static void SubscribeToEvent(EventDataCallback callback, Component component, EventType type)
{
CallbackComponentPair pair = new CallbackComponentPair(callback, component);
if (!componentEventsData.ContainsKey(type))
{
ComponentEventsContainer cont = new ComponentEventsContainer();
cont.AddPair(pair);
componentEventsData.Add(type, cont);
}
else
{
componentEventsData[type].AddPair(pair);
}
}
/// <summary>
/// Calls callbacks if the component which subscribed to it isn't null. Automatically removes subscriptions for destroyed components/gameobjects.
/// </summary>
public void FireIfNotNull(CallbackData data)
{
for (int i = 0; i < pairs.Count; i++)
{
CallbackComponentPair pair = pairs[i];
if (pair.Component == null)
{
pairs.RemoveAt(i);
i--;
continue;
}
pair.CallbackWithData(data);
}
}
public void AddPair(CallbackComponentPair pair)
{
pairs.Add(pair);
}
