Class IObjectRef

source/script.h:1448–1484

IObjectPtr with automatic reference-counting, for storing an object safely, such as in a HotkeyVariant, UserMenuItem, etc. Its specific purpose is to work with old code that wasn't concerned with reference counting.

// such as in a HotkeyVariant, UserMenuItem, etc.  Its specific purpose is to
// work with old code that wasn't concerned with reference counting.
class IObjectRef : public IObjectPtr
{
private:
	IObjectRef(const IObjectRef &); // Disable default copy constructor.
	IObjectRef & operator = (const IObjectRef &); // ...and copy assignment.

public:
	IObjectRef() : IObjectPtr() {}
	IObjectRef(IObject *object) : IObjectPtr(object)
	{
		if (object)
			object->AddRef();
	}
	IObjectRef(const IObjectPtr &other) : IObjectPtr(other)
	{
		if (mObject)
			mObject->AddRef();
	}
	IObjectRef & operator = (IObject *object)
	{
		if (object)
			object->AddRef();
		if (mObject)
			mObject->Release();
		mObject = object;
		return *this;
	}
	IObjectRef & operator = (const IObjectPtr &other)
	{
		return *this = other.ToObject();
	}
	~IObjectRef()
	{
		if (mObject)
			mObject->Release();
	}
};