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Event class now supports copying and assignment

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This commit is contained in:
Tom Lint 2015-06-09 11:05:55 +02:00
parent 7de4952859
commit 8dd316b992
1 changed files with 19 additions and 6 deletions
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25
include/System/Event.h
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@ -22,12 +22,6 @@ namespace System
private: private:
List<Base*> mPtrs; List<Base*> mPtrs;
// Can't allow copying unless we modify the class to make a deep
// copy of each of the pointers it holds. Base class would need
// a virtual Clone() method to allow polymorphic copying.
Event(const Event&);
Event& operator=(const Event&);
public: public:
template <typename Class> template <typename Class>
class T : public Base class T : public Base
@ -67,6 +61,11 @@ namespace System
public: public:
Event() {} Event() {}
Event(const Event& obj)
: mPtrs(obj.mPtrs)
{
}
Event& operator+=(Base* aPtr) Event& operator+=(Base* aPtr)
{ {
mPtrs.Add(aPtr); mPtrs.Add(aPtr);
@ -84,9 +83,23 @@ namespace System
for (int i = 0; i < mPtrs.Count(); i++) for (int i = 0; i < mPtrs.Count(); i++)
{ {
if (mPtrs[i] != null) if (mPtrs[i] != null)
{
(*(mPtrs[i]))(arg1, arg2); (*(mPtrs[i]))(arg1, arg2);
}
} }
} }
Event& operator =(const Event& right)
{
if (right == *this)
{
return *this;
}
mPtrs = right.mPtrs;
return *this;
}
}; };
typedef Event<Object * const, EventArgs * const> EventHandler; typedef Event<Object * const, EventArgs * const> EventHandler;