gecko-dev/dom/filesystem/OSFileSystem.cpp

89 строки
2.3 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#include "mozilla/dom/OSFileSystem.h"
#include "mozilla/dom/Directory.h"
#include "mozilla/dom/File.h"
#include "mozilla/dom/FileSystemUtils.h"
#include "nsIGlobalObject.h"
#include "nsCOMPtr.h"
#include "nsDebug.h"
#include "nsIFile.h"
namespace mozilla::dom {
OSFileSystem::OSFileSystem(const nsAString& aRootDir) {
mLocalRootPath = aRootDir;
}
already_AddRefed<FileSystemBase> OSFileSystem::Clone() {
AssertIsOnOwningThread();
RefPtr<OSFileSystem> fs = new OSFileSystem(mLocalRootPath);
if (mGlobal) {
fs->Init(mGlobal);
}
return fs.forget();
}
void OSFileSystem::Init(nsIGlobalObject* aGlobal) {
AssertIsOnOwningThread();
MOZ_ASSERT(!mGlobal, "No duple Init() calls");
MOZ_ASSERT(aGlobal);
mGlobal = aGlobal;
}
nsIGlobalObject* OSFileSystem::GetParentObject() const {
AssertIsOnOwningThread();
return mGlobal;
}
bool OSFileSystem::IsSafeFile(nsIFile* aFile) const {
// The concept of "safe files" is specific to the Device Storage API where
// files are only "safe" if they're of a type that is appropriate for the
// area of device storage that is being used.
MOZ_CRASH("Don't use OSFileSystem with the Device Storage API");
return true;
}
bool OSFileSystem::IsSafeDirectory(Directory* aDir) const {
// The concept of "safe directory" is specific to the Device Storage API
// where a directory is only "safe" if it belongs to the area of device
// storage that it is being used with.
MOZ_CRASH("Don't use OSFileSystem with the Device Storage API");
return true;
}
void OSFileSystem::Unlink() {
AssertIsOnOwningThread();
mGlobal = nullptr;
}
void OSFileSystem::Traverse(nsCycleCollectionTraversalCallback& cb) {
AssertIsOnOwningThread();
OSFileSystem* tmp = this;
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mGlobal);
}
void OSFileSystem::SerializeDOMPath(nsAString& aOutput) const {
AssertIsOnOwningThread();
aOutput = mLocalRootPath;
}
/**
* OSFileSystemParent
*/
OSFileSystemParent::OSFileSystemParent(const nsAString& aRootDir) {
mLocalRootPath = aRootDir;
}
} // namespace mozilla::dom