diff options
Diffstat (limited to 'dom/filesystem/compat/FileSystem.cpp')
-rw-r--r-- | dom/filesystem/compat/FileSystem.cpp | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/dom/filesystem/compat/FileSystem.cpp b/dom/filesystem/compat/FileSystem.cpp new file mode 100644 index 000000000..b45980fc6 --- /dev/null +++ b/dom/filesystem/compat/FileSystem.cpp @@ -0,0 +1,75 @@ +/* -*- 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 "FileSystem.h" +#include "FileSystemRootDirectoryEntry.h" +#include "mozilla/dom/FileSystemBinding.h" +#include "nsContentUtils.h" + +namespace mozilla { +namespace dom { + +NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(FileSystem, mParent, mRoot) + +NS_IMPL_CYCLE_COLLECTING_ADDREF(FileSystem) +NS_IMPL_CYCLE_COLLECTING_RELEASE(FileSystem) + +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(FileSystem) + NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY + NS_INTERFACE_MAP_ENTRY(nsISupports) +NS_INTERFACE_MAP_END + +/* static */ already_AddRefed<FileSystem> +FileSystem::Create(nsIGlobalObject* aGlobalObject) + +{ + MOZ_ASSERT(aGlobalObject); + + + nsID id; + nsresult rv = nsContentUtils::GenerateUUIDInPlace(id); + if (NS_WARN_IF(NS_FAILED(rv))) { + return nullptr; + } + + char chars[NSID_LENGTH]; + id.ToProvidedString(chars); + + // Any fileSystem has an unique ID. We use UUID, but our generator produces + // UUID in this format '{' + UUID + '}'. We remove them with these +1 and -2. + nsAutoCString name(Substring(chars + 1, chars + NSID_LENGTH - 2)); + + RefPtr<FileSystem> fs = + new FileSystem(aGlobalObject, NS_ConvertUTF8toUTF16(name)); + + return fs.forget(); +} + +FileSystem::FileSystem(nsIGlobalObject* aGlobal, const nsAString& aName) + : mParent(aGlobal) + , mName(aName) +{ + MOZ_ASSERT(aGlobal); +} + +FileSystem::~FileSystem() +{} + +JSObject* +FileSystem::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) +{ + return FileSystemBinding::Wrap(aCx, this, aGivenProto); +} + +void +FileSystem::CreateRoot(const Sequence<RefPtr<FileSystemEntry>>& aEntries) +{ + MOZ_ASSERT(!mRoot); + mRoot = new FileSystemRootDirectoryEntry(mParent, aEntries, this); +} + +} // dom namespace +} // mozilla namespace |