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