174 lines
3.5 KiB
C#
174 lines
3.5 KiB
C#
using System;
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#if FAIRYGUI_TOLUA
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using LuaInterface;
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#endif
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namespace FairyGUI
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{
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/// <summary>
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///
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/// </summary>
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class EventBridge
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{
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public EventDispatcher owner;
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EventCallback0 _callback0;
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EventCallback1 _callback1;
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EventCallback1 _captureCallback;
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internal bool _dispatching;
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public EventBridge(EventDispatcher owner)
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{
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this.owner = owner;
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}
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public void AddCapture(EventCallback1 callback)
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{
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_captureCallback -= callback;
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_captureCallback += callback;
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}
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public void RemoveCapture(EventCallback1 callback)
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{
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_captureCallback -= callback;
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}
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public void Add(EventCallback1 callback)
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{
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_callback1 -= callback;
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_callback1 += callback;
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}
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public void Remove(EventCallback1 callback)
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{
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_callback1 -= callback;
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}
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public void Add(EventCallback0 callback)
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{
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_callback0 -= callback;
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_callback0 += callback;
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}
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public void Remove(EventCallback0 callback)
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{
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_callback0 -= callback;
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}
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#if FAIRYGUI_TOLUA
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public void Add(LuaFunction func, LuaTable self)
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{
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EventCallback1 callback = (EventCallback1)DelegateTraits<EventCallback1>.Create(func, self);
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_callback1 -= callback;
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_callback1 += callback;
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}
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public void Add(LuaFunction func, GComponent self)
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{
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if (self._peerTable == null)
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throw new Exception("self is not connected to lua.");
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Add(func, self._peerTable);
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}
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public void Remove(LuaFunction func, LuaTable self)
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{
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LuaState state = func.GetLuaState();
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LuaDelegate target;
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if (self != null)
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target = state.GetLuaDelegate(func, self);
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else
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target = state.GetLuaDelegate(func);
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Delegate[] ds = _callback1.GetInvocationList();
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for (int i = 0; i < ds.Length; i++)
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{
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LuaDelegate ld = ds[i].Target as LuaDelegate;
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if (ld != null && ld.Equals(target))
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{
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_callback1 = (EventCallback1)Delegate.Remove(_callback1, ds[i]);
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//DelayDispose的处理并不安全，原因在如果Remove后立刻Add，那么DelayDispose会误删除，先注释掉，等待tolua改进
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//state.DelayDispose(ld.func);
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//if (ld.self != null)
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// state.DelayDispose(ld.self);
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break;
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}
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}
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}
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public void Remove(LuaFunction func, GComponent self)
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{
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if (self._peerTable == null)
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throw new Exception("self is not connected to lua.");
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Remove(func, self._peerTable);
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}
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#endif
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public bool isEmpty
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{
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get { return _callback1 == null && _callback0 == null && _captureCallback == null; }
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}
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public void Clear()
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{
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#if FAIRYGUI_TOLUA
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//DelayDispose的处理并不安全，原因在如果Remove后立刻Add，那么DelayDispose会误删除，先注释掉，等待tolua改进
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//if (_callback1 != null)
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//{
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// Delegate[] ds = _callback1.GetInvocationList();
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// for (int i = 0; i < ds.Length; i++)
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// {
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// LuaDelegate ld = ds[i].Target as LuaDelegate;
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// if (ld != null)
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// {
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// LuaState state = ld.func.GetLuaState();
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// state.DelayDispose(ld.func);
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// if (ld.self != null)
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// state.DelayDispose(ld.self);
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// }
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// }
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//}
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#endif
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_callback1 = null;
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_callback0 = null;
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_captureCallback = null;
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}
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public void CallInternal(EventContext context)
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{
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_dispatching = true;
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context.sender = owner;
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try
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{
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if (_callback1 != null)
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_callback1(context);
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if (_callback0 != null)
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_callback0();
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}
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finally
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{
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_dispatching = false;
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}
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}
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public void CallCaptureInternal(EventContext context)
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{
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if (_captureCallback == null)
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return;
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_dispatching = true;
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context.sender = owner;
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try
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{
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_captureCallback(context);
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}
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finally
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{
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_dispatching = false;
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}
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}
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}
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}
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