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