gecko-dev/xpcom/ds/nsObserverList.h

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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#ifndef nsObserverList_h___
#define nsObserverList_h___

#include "nsIObserverList.h"
#include "nsIEnumerator.h"
#include "nsISupportsArray.h"

// {E777D484-E6E3-11d2-8ACD-00105A1B8860}
#define NS_OBSERVERLIST_CID \
{ 0xe777d484, 0xe6e3, 0x11d2, { 0x8a, 0xcd, 0x0, 0x10, 0x5a, 0x1b, 0x88, 0x60 } }

class nsObserverList : public nsIObserverList
{
public:

               nsObserverList();
    virtual    ~nsObserverList();

 		NS_DEFINE_STATIC_CID_ACCESSOR(NS_OBSERVERLIST_CID);

    NS_DECL_ISUPPORTS

    NS_IMETHOD AddObserver(nsIObserver* anObserver);
    NS_IMETHOD RemoveObserver(nsIObserver* anObserver);

	NS_IMETHOD EnumerateObserverList(nsIEnumerator** anEnumerator);

public:

    static NS_METHOD Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr);
     
protected:

    // This is ObserverList monitor object.
    PRLock* mLock;
   
private:

 	  nsCOMPtr<nsISupportsArray>  mObserverList;

};


#endif /* nsObserverList_h___ */