dom/icc/IccListener.h

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   3  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #ifndef mozilla_dom_IccListener_h
   6 #define mozilla_dom_IccListener_h
   7
   8 #include "nsAutoPtr.h"
   9 #include "nsIIccProvider.h"
  10
  11 namespace mozilla {
  12 namespace dom {
  13
  14 class IccManager;
  15 class Icc;
  16
  17 class IccListener MOZ_FINAL : public nsIIccListener
  18 {
  19 public:
  20   NS_DECL_ISUPPORTS
  21   NS_DECL_NSIICCLISTENER
  22
  23   IccListener(IccManager* aIccManager, uint32_t aClientId);
  24
  25   void
  26   Shutdown();
  27
  28   Icc*
  29   GetIcc()
  30   {
  31     return mIcc;
  32   }
  33
  34 private:
  35   ~IccListener();
  36
  37 private:
  38   uint32_t mClientId;
  39   // We did not setup 'mIcc' and 'mIccManager' being a participant of cycle
  40   // collection is because in Navigator->Invalidate() it will call
  41   // mIccManager->Shutdown(), then IccManager will call Shutdown() of each
  42   // IccListener, this will release the reference and break the cycle.
  43   nsRefPtr<Icc> mIcc;
  44   nsRefPtr<IccManager> mIccManager;
  45   // mProvider is a xpcom service and will be released at shutdown, so it
  46   // doesn't need to be cycle collected.
  47   nsCOMPtr<nsIIccProvider> mProvider;
  48 };
  49
  50 } // namespace dom
  51 } // namespace mozilla
  52
  53 #endif // mozilla_dom_IccListener_h