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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_OSFileSystem_h
#define mozilla_dom_OSFileSystem_h
#include "mozilla/dom/FileSystemBase.h"
namespace mozilla {
namespace dom {
class OSFileSystem final : public FileSystemBase
{
public:
explicit OSFileSystem(const nsAString& aRootDir);
void
Init(nsISupports* aParent);
// Overrides FileSystemBase
virtual already_AddRefed<FileSystemBase>
Clone() override;
virtual bool
ShouldCreateDirectory() override
{
MOZ_CRASH("This should not be called.");
// Because OSFileSystem should not be used when the creation of directories
// is needed. For that we have OSFileSystemParent.
return false;
}
virtual nsISupports*
GetParentObject() const override;
virtual bool
IsSafeFile(nsIFile* aFile) const override;
virtual bool
IsSafeDirectory(Directory* aDir) const override;
virtual void
SerializeDOMPath(nsAString& aOutput) const override;
virtual bool
ClonableToDifferentThreadOrProcess() const override { return true; }
// CC methods
virtual void Unlink() override;
virtual void Traverse(nsCycleCollectionTraversalCallback &cb) override;
private:
virtual ~OSFileSystem() {}
nsCOMPtr<nsISupports> mParent;
};
class OSFileSystemParent final : public FileSystemBase
{
public:
explicit OSFileSystemParent(const nsAString& aRootDir);
// Overrides FileSystemBase
virtual already_AddRefed<FileSystemBase>
Clone() override
{
MOZ_CRASH("This should not be called on the PBackground thread.");
return nullptr;
}
virtual bool
ShouldCreateDirectory() override { return false; }
virtual nsISupports*
GetParentObject() const override
{
MOZ_CRASH("This should not be called on the PBackground thread.");
return nullptr;
}
virtual void
GetDirectoryName(nsIFile* aFile, nsAString& aRetval,
ErrorResult& aRv) const override
{
MOZ_CRASH("This should not be called on the PBackground thread.");
}
virtual bool
IsSafeFile(nsIFile* aFile) const override
{
return true;
}
virtual bool
IsSafeDirectory(Directory* aDir) const override
{
MOZ_CRASH("This should not be called on the PBackground thread.");
return true;
}
virtual void
SerializeDOMPath(nsAString& aOutput) const override
{
MOZ_CRASH("This should not be called on the PBackground thread.");
}
// CC methods
virtual void
Unlink() override
{
MOZ_CRASH("This should not be called on the PBackground thread.");
}
virtual void
Traverse(nsCycleCollectionTraversalCallback &cb) override
{
MOZ_CRASH("This should not be called on the PBackground thread.");
}
private:
virtual ~OSFileSystemParent() {}
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_OSFileSystem_h
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