1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/file/FileStreamWrappers.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,94 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim: set ts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.8 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef mozilla_dom_file_filestreamwrappers_h__
1.11 +#define mozilla_dom_file_filestreamwrappers_h__
1.12 +
1.13 +#include "FileCommon.h"
1.14 +
1.15 +#include "nsIInputStream.h"
1.16 +#include "nsIOutputStream.h"
1.17 +
1.18 +BEGIN_FILE_NAMESPACE
1.19 +
1.20 +class FileHelper;
1.21 +
1.22 +class FileStreamWrapper : public nsISupports
1.23 +{
1.24 +public:
1.25 + NS_DECL_THREADSAFE_ISUPPORTS
1.26 +
1.27 + FileStreamWrapper(nsISupports* aFileStream,
1.28 + FileHelper* aFileHelper,
1.29 + uint64_t aOffset,
1.30 + uint64_t aLimit,
1.31 + uint32_t aFlags);
1.32 +
1.33 + virtual ~FileStreamWrapper();
1.34 +
1.35 + enum {
1.36 + NOTIFY_PROGRESS = 1 << 0,
1.37 + NOTIFY_CLOSE = 1 << 1,
1.38 + NOTIFY_DESTROY = 1 << 2
1.39 + };
1.40 +
1.41 +protected:
1.42 + nsCOMPtr<nsISupports> mFileStream;
1.43 + nsRefPtr<FileHelper> mFileHelper;
1.44 + uint64_t mOffset;
1.45 + uint64_t mLimit;
1.46 + uint32_t mFlags;
1.47 + bool mFirstTime;
1.48 +};
1.49 +
1.50 +class FileInputStreamWrapper : public FileStreamWrapper,
1.51 + public nsIInputStream
1.52 +{
1.53 +public:
1.54 + NS_DECL_ISUPPORTS_INHERITED
1.55 + NS_DECL_NSIINPUTSTREAM
1.56 +
1.57 + FileInputStreamWrapper(nsISupports* aFileStream,
1.58 + FileHelper* aFileHelper,
1.59 + uint64_t aOffset,
1.60 + uint64_t aLimit,
1.61 + uint32_t aFlags);
1.62 +
1.63 +protected:
1.64 + virtual ~FileInputStreamWrapper()
1.65 + { }
1.66 +
1.67 +private:
1.68 + nsCOMPtr<nsIInputStream> mInputStream;
1.69 +};
1.70 +
1.71 +class FileOutputStreamWrapper : public FileStreamWrapper,
1.72 + public nsIOutputStream
1.73 +{
1.74 +public:
1.75 + NS_DECL_ISUPPORTS_INHERITED
1.76 + NS_DECL_NSIOUTPUTSTREAM
1.77 +
1.78 + FileOutputStreamWrapper(nsISupports* aFileStream,
1.79 + FileHelper* aFileHelper,
1.80 + uint64_t aOffset,
1.81 + uint64_t aLimit,
1.82 + uint32_t aFlags);
1.83 +
1.84 +protected:
1.85 + virtual ~FileOutputStreamWrapper()
1.86 + { }
1.87 +
1.88 +private:
1.89 + nsCOMPtr<nsIOutputStream> mOutputStream;
1.90 +#ifdef DEBUG
1.91 + void* mWriteThread;
1.92 +#endif
1.93 +};
1.94 +
1.95 +END_FILE_NAMESPACE
1.96 +
1.97 +#endif // mozilla_dom_file_filestreamwrappers_h__
