dom/indexedDB/IDBFileHandle.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 file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_indexeddb_idbfilehandle_h__
   8 #define mozilla_dom_indexeddb_idbfilehandle_h__
   9
  10 #include "IndexedDatabase.h"
  11
  12 #include "nsIIDBFileHandle.h"
  13
  14 #include "mozilla/dom/file/FileHandle.h"
  15 #include "mozilla/dom/indexedDB/FileInfo.h"
  16
  17 BEGIN_INDEXEDDB_NAMESPACE
  18
  19 class IDBFileHandle : public mozilla::dom::file::FileHandle,
  20                       public nsIIDBFileHandle
  21 {
  22 public:
  23   NS_DECL_ISUPPORTS_INHERITED
  24   NS_DECL_NSIIDBFILEHANDLE
  25
  26   NS_IMETHOD_(int64_t)
  27   GetFileId()
  28   {
  29     return mFileInfo->Id();
  30   }
  31
  32   NS_IMETHOD_(FileInfo*)
  33   GetFileInfo()
  34   {
  35     return mFileInfo;
  36   }
  37
  38   static already_AddRefed<IDBFileHandle>
  39   Create(IDBDatabase* aDatabase, const nsAString& aName,
  40          const nsAString& aType, already_AddRefed<FileInfo> aFileInfo);
  41
  42   virtual already_AddRefed<nsISupports>
  43   CreateStream(nsIFile* aFile, bool aReadOnly);
  44
  45   virtual already_AddRefed<nsIDOMFile>
  46   CreateFileObject(mozilla::dom::file::LockedFile* aLockedFile,
  47                    uint32_t aFileSize);
  48
  49 private:
  50   IDBFileHandle()
  51   { }
  52
  53   ~IDBFileHandle()
  54   { }
  55
  56   nsRefPtr<FileInfo> mFileInfo;
  57 };
  58
  59 END_INDEXEDDB_NAMESPACE
  60
  61 #endif // mozilla_dom_indexeddb_idbfilehandle_h__