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