michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ts=2 et sw=2 tw=80: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef mozilla_dom_file_filestreamwrappers_h__
michael@0: #define mozilla_dom_file_filestreamwrappers_h__
michael@0: 
michael@0: #include "FileCommon.h"
michael@0: 
michael@0: #include "nsIInputStream.h"
michael@0: #include "nsIOutputStream.h"
michael@0: 
michael@0: BEGIN_FILE_NAMESPACE
michael@0: 
michael@0: class FileHelper;
michael@0: 
michael@0: class FileStreamWrapper : public nsISupports
michael@0: {
michael@0: public:
michael@0:   NS_DECL_THREADSAFE_ISUPPORTS
michael@0: 
michael@0:   FileStreamWrapper(nsISupports* aFileStream,
michael@0:                     FileHelper* aFileHelper,
michael@0:                     uint64_t aOffset,
michael@0:                     uint64_t aLimit,
michael@0:                     uint32_t aFlags);
michael@0: 
michael@0:   virtual ~FileStreamWrapper();
michael@0: 
michael@0:   enum {
michael@0:     NOTIFY_PROGRESS = 1 << 0,
michael@0:     NOTIFY_CLOSE = 1 << 1,
michael@0:     NOTIFY_DESTROY = 1 << 2
michael@0:   };
michael@0: 
michael@0: protected:
michael@0:   nsCOMPtr<nsISupports> mFileStream;
michael@0:   nsRefPtr<FileHelper> mFileHelper;
michael@0:   uint64_t mOffset;
michael@0:   uint64_t mLimit;
michael@0:   uint32_t mFlags;
michael@0:   bool mFirstTime;
michael@0: };
michael@0: 
michael@0: class FileInputStreamWrapper : public FileStreamWrapper,
michael@0:                                public nsIInputStream
michael@0: {
michael@0: public:
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0:   NS_DECL_NSIINPUTSTREAM
michael@0: 
michael@0:   FileInputStreamWrapper(nsISupports* aFileStream,
michael@0:                          FileHelper* aFileHelper,
michael@0:                          uint64_t aOffset,
michael@0:                          uint64_t aLimit,
michael@0:                          uint32_t aFlags);
michael@0: 
michael@0: protected:
michael@0:   virtual ~FileInputStreamWrapper()
michael@0:   { }
michael@0: 
michael@0: private:
michael@0:   nsCOMPtr<nsIInputStream> mInputStream;
michael@0: };
michael@0: 
michael@0: class FileOutputStreamWrapper : public FileStreamWrapper,
michael@0:                                 public nsIOutputStream
michael@0: {
michael@0: public:
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0:   NS_DECL_NSIOUTPUTSTREAM
michael@0: 
michael@0:   FileOutputStreamWrapper(nsISupports* aFileStream,
michael@0:                          FileHelper* aFileHelper,
michael@0:                          uint64_t aOffset,
michael@0:                          uint64_t aLimit,
michael@0:                          uint32_t aFlags);
michael@0: 
michael@0: protected:
michael@0:   virtual ~FileOutputStreamWrapper()
michael@0:   { }
michael@0: 
michael@0: private:
michael@0:   nsCOMPtr<nsIOutputStream> mOutputStream;
michael@0: #ifdef DEBUG
michael@0:   void* mWriteThread;
michael@0: #endif
michael@0: };
michael@0: 
michael@0: END_FILE_NAMESPACE
michael@0: 
michael@0: #endif // mozilla_dom_file_filestreamwrappers_h__