/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=2 et sw=2 tw=80: */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this file, * You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef mozilla_dom_file_filehandle_h__ #define mozilla_dom_file_filehandle_h__ #include "FileCommon.h" #include "nsIDOMFileHandle.h" #include "nsIFile.h" #include "nsDOMEventTargetHelper.h" class nsIDOMFile; class nsIFileStorage; BEGIN_FILE_NAMESPACE class FileService; class LockedFile; class FinishHelper; class FileHelper; /** * Must be subclassed. The subclass must implement CreateStream and * CreateFileObject. Basically, every file storage implementation provides its * own FileHandle implementation (for example IDBFileHandle provides IndexedDB * specific implementation). */ class FileHandle : public nsDOMEventTargetHelper, public nsIDOMFileHandle { friend class FileService; friend class LockedFile; friend class FinishHelper; friend class FileHelper; public: NS_DECL_ISUPPORTS_INHERITED NS_DECL_NSIDOMFILEHANDLE NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(FileHandle, nsDOMEventTargetHelper) const nsAString& Name() const { return mName; } const nsAString& Type() const { return mType; } virtual already_AddRefed CreateStream(nsIFile* aFile, bool aReadOnly) = 0; virtual already_AddRefed CreateFileObject(LockedFile* aLockedFile, PRUint32 aFileSize) = 0; protected: FileHandle() { } ~FileHandle() { } nsCOMPtr mFileStorage; nsString mName; nsString mType; nsCOMPtr mFile; nsString mFileName; NS_DECL_EVENT_HANDLER(abort) NS_DECL_EVENT_HANDLER(error) }; END_FILE_NAMESPACE #endif // mozilla_dom_file_filehandle_h__