michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef mozilla_dom_IccListener_h
michael@0: #define mozilla_dom_IccListener_h
michael@0: 
michael@0: #include "nsAutoPtr.h"
michael@0: #include "nsIIccProvider.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: 
michael@0: class IccManager;
michael@0: class Icc;
michael@0: 
michael@0: class IccListener : public nsIIccListener
michael@0: {
michael@0: public:
michael@0:   NS_DECL_ISUPPORTS
michael@0:   NS_DECL_NSIICCLISTENER
michael@0: 
michael@0:   IccListener(IccManager* aIccManager, uint32_t aClientId);
michael@0:   ~IccListener();
michael@0: 
michael@0:   void
michael@0:   Shutdown();
michael@0: 
michael@0:   already_AddRefed<Icc>
michael@0:   GetIcc()
michael@0:   {
michael@0:     nsRefPtr<Icc> icc = mIcc;
michael@0:     return icc.forget();
michael@0:   }
michael@0: 
michael@0: private:
michael@0:   uint32_t mClientId;
michael@0:   // We did not setup 'mIcc' and 'mIccManager' being a participant of cycle
michael@0:   // collection is because in Navigator->Invalidate() it will call
michael@0:   // mIccManager->Shutdown(), then IccManager will call Shutdown() of each
michael@0:   // IccListener, this will release the reference and break the cycle.
michael@0:   nsRefPtr<Icc> mIcc;
michael@0:   nsRefPtr<IccManager> mIccManager;
michael@0:   // mProvider is a xpcom service and will be released at shutdown, so it
michael@0:   // doesn't need to be cycle collected.
michael@0:   nsCOMPtr<nsIIccProvider> mProvider;
michael@0: };
michael@0: 
michael@0: } // namespace dom
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif // mozilla_dom_IccListener_h