dom/quota/CheckQuotaHelper.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_quota_checkquotahelper_h__
   8 #define mozilla_dom_quota_checkquotahelper_h__
   9
  10 #include "QuotaCommon.h"
  11
  12 #include "nsIInterfaceRequestor.h"
  13 #include "nsIObserver.h"
  14 #include "nsIRunnable.h"
  15
  16 #include "mozilla/CondVar.h"
  17 #include "mozilla/Mutex.h"
  18
  19 class nsIPrincipal;
  20 class nsPIDOMWindow;
  21
  22 BEGIN_QUOTA_NAMESPACE
  23
  24 class CheckQuotaHelper MOZ_FINAL : public nsIRunnable,
  25                                    public nsIInterfaceRequestor,
  26                                    public nsIObserver
  27 {
  28 public:
  29   NS_DECL_THREADSAFE_ISUPPORTS
  30   NS_DECL_NSIRUNNABLE
  31   NS_DECL_NSIINTERFACEREQUESTOR
  32   NS_DECL_NSIOBSERVER
  33
  34   CheckQuotaHelper(nsPIDOMWindow* aWindow,
  35                    mozilla::Mutex& aMutex);
  36
  37   bool
  38   PromptAndReturnQuotaIsDisabled();
  39
  40   void
  41   Cancel();
  42
  43   static uint32_t
  44   GetQuotaPermission(nsIPrincipal* aPrincipal);
  45
  46 private:
  47   nsPIDOMWindow* mWindow;
  48
  49   mozilla::Mutex& mMutex;
  50   mozilla::CondVar mCondVar;
  51   uint32_t mPromptResult;
  52   bool mWaiting;
  53   bool mHasPrompted;
  54 };
  55
  56 END_QUOTA_NAMESPACE
  57
  58 #endif // mozilla_dom_quota_checkquotahelper_h__