forked from mirrors/gecko-dev
135 lines
3.1 KiB
C++
135 lines
3.1 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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#include "mozilla/dom/OSFileSystem.h"
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#include "mozilla/dom/Directory.h"
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#include "mozilla/dom/File.h"
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#include "mozilla/dom/FileSystemUtils.h"
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#include "nsIGlobalObject.h"
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#include "nsCOMPtr.h"
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#include "nsDebug.h"
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#include "nsIFile.h"
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namespace mozilla {
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namespace dom {
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OSFileSystem::OSFileSystem(const nsAString& aRootDir)
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{
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mLocalOrDeviceStorageRootPath = aRootDir;
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mPermissionCheckType = ePermissionCheckNotRequired;
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#ifdef DEBUG
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mPermission.AssignLiteral("never-used");
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#endif
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}
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already_AddRefed<FileSystemBase>
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OSFileSystem::Clone()
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{
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AssertIsOnOwningThread();
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RefPtr<OSFileSystem> fs = new OSFileSystem(mLocalOrDeviceStorageRootPath);
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if (mParent) {
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fs->Init(mParent);
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}
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return fs.forget();
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}
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void
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OSFileSystem::Init(nsISupports* aParent)
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{
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AssertIsOnOwningThread();
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MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
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MOZ_ASSERT(!mParent, "No duple Init() calls");
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MOZ_ASSERT(aParent);
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mParent = aParent;
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#ifdef DEBUG
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nsCOMPtr<nsIGlobalObject> obj = do_QueryInterface(aParent);
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MOZ_ASSERT(obj);
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#endif
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}
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nsISupports*
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OSFileSystem::GetParentObject() const
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{
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AssertIsOnOwningThread();
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MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
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return mParent;
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}
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void
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OSFileSystem::GetRootName(nsAString& aRetval) const
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{
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AssertIsOnOwningThread();
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aRetval.AssignLiteral(FILESYSTEM_DOM_PATH_SEPARATOR_LITERAL);
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}
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bool
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OSFileSystem::IsSafeFile(nsIFile* aFile) const
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{
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// The concept of "safe files" is specific to the Device Storage API where
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// files are only "safe" if they're of a type that is appropriate for the
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// area of device storage that is being used.
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MOZ_CRASH("Don't use OSFileSystem with the Device Storage API");
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return true;
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}
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bool
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OSFileSystem::IsSafeDirectory(Directory* aDir) const
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{
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// The concept of "safe directory" is specific to the Device Storage API
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// where a directory is only "safe" if it belongs to the area of device
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// storage that it is being used with.
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MOZ_CRASH("Don't use OSFileSystem with the Device Storage API");
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return true;
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}
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void
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OSFileSystem::Unlink()
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{
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AssertIsOnOwningThread();
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MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
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mParent = nullptr;
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}
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void
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OSFileSystem::Traverse(nsCycleCollectionTraversalCallback &cb)
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{
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AssertIsOnOwningThread();
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MOZ_ASSERT(NS_IsMainThread(), "Only call on main thread!");
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OSFileSystem* tmp = this;
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mParent);
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}
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void
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OSFileSystem::SerializeDOMPath(nsAString& aOutput) const
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{
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AssertIsOnOwningThread();
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aOutput = mLocalOrDeviceStorageRootPath;
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}
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/**
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* OSFileSystemParent
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*/
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OSFileSystemParent::OSFileSystemParent(const nsAString& aRootDir)
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{
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mLocalOrDeviceStorageRootPath = aRootDir;
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mPermissionCheckType = ePermissionCheckNotRequired;
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#ifdef DEBUG
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mPermission.AssignLiteral("never-used");
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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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