dom/indexedDB/CheckPermissionsHelper.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_indexeddb_checkpermissionshelper_h__
   8 #define mozilla_dom_indexeddb_checkpermissionshelper_h__
   9
  10 // Only meant to be included in IndexedDB source files, not exported.
  11 #include "OpenDatabaseHelper.h"
  12
  13 #include "nsIInterfaceRequestor.h"
  14 #include "nsIObserver.h"
  15 #include "nsIRunnable.h"
  16
  17 class nsIDOMWindow;
  18 class nsIThread;
  19
  20 BEGIN_INDEXEDDB_NAMESPACE
  21
  22 class CheckPermissionsHelper MOZ_FINAL : public nsIRunnable,
  23                                          public nsIInterfaceRequestor,
  24                                          public nsIObserver
  25 {
  26 public:
  27   NS_DECL_THREADSAFE_ISUPPORTS
  28   NS_DECL_NSIRUNNABLE
  29   NS_DECL_NSIINTERFACEREQUESTOR
  30   NS_DECL_NSIOBSERVER
  31
  32   CheckPermissionsHelper(OpenDatabaseHelper* aHelper,
  33                          nsIDOMWindow* aWindow)
  34   : mHelper(aHelper),
  35     mWindow(aWindow),
  36     // If we're trying to delete the database, we should never prompt the user.
  37     // Anything that would prompt is translated to denied.
  38     mPromptAllowed(!aHelper->mForDeletion),
  39     mHasPrompted(false),
  40     mPromptResult(0)
  41   {
  42     NS_ASSERTION(aHelper, "Null pointer!");
  43     NS_ASSERTION(aHelper->mPersistenceType == quota::PERSISTENCE_TYPE_PERSISTENT,
  44                  "Checking permission for non persistent databases?!");
  45   }
  46
  47 private:
  48   ~CheckPermissionsHelper() {}
  49
  50   nsRefPtr<OpenDatabaseHelper> mHelper;
  51   nsCOMPtr<nsIDOMWindow> mWindow;
  52   bool mPromptAllowed;
  53   bool mHasPrompted;
  54   uint32_t mPromptResult;
  55 };
  56
  57 END_INDEXEDDB_NAMESPACE
  58
  59 #endif // mozilla_dom_indexeddb_checkpermissionshelper_h__