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77 lines
1.6 KiB
C
77 lines
1.6 KiB
C
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=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_MutableFile_h
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#define mozilla_dom_MutableFile_h
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#include "mozilla/dom/FileHandleCommon.h"
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#include "nscore.h"
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template <class> struct already_AddRefed;
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class nsISupports;
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class nsString;
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struct PRThread;
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namespace mozilla {
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namespace dom {
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class BackgroundMutableFileChildBase;
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class BlobImpl;
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class File;
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class FileHandleBase;
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/**
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* This class provides a base for MutableFile implementations.
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* (for example IDBMutableFile provides IndexedDB specific implementation).
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*/
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class MutableFileBase
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: public RefCountedThreadObject
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{
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protected:
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BackgroundMutableFileChildBase* mBackgroundActor;
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public:
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BackgroundMutableFileChildBase*
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GetBackgroundActor() const
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{
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AssertIsOnOwningThread();
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return mBackgroundActor;
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}
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void
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ClearBackgroundActor()
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{
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AssertIsOnOwningThread();
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mBackgroundActor = nullptr;
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}
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virtual const nsString&
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Name() const = 0;
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virtual const nsString&
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Type() const = 0;
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virtual bool
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IsInvalidated() = 0;
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virtual already_AddRefed<File>
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CreateFileFor(BlobImpl* aBlobImpl,
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FileHandleBase* aFileHandle) = 0;
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protected:
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MutableFileBase(DEBUGONLY(PRThread* aOwningThread,)
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BackgroundMutableFileChildBase* aActor);
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virtual ~MutableFileBase();
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_MutableFile_h
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