gecko-dev/dom/filesystem/compat/DOMFileSystem.cpp
Andrea Marchesini ae27692741 Bug 1265767 - Subset of Blink FileSystem API - patch 5 - DOMFileSystem, r=smaug
--HG--
rename : dom/filesystem/compat/ErrorCallbackRunnable.h => dom/filesystem/compat/CallbackRunnables.h
2016-06-07 00:55:17 +02:00

77 lines
2.0 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 "DOMFileSystem.h"
#include "RootDirectoryEntry.h"
#include "mozilla/dom/DOMFileSystemBinding.h"
#include "nsContentUtils.h"
namespace mozilla {
namespace dom {
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(DOMFileSystem, mParent, mRoot)
NS_IMPL_CYCLE_COLLECTING_ADDREF(DOMFileSystem)
NS_IMPL_CYCLE_COLLECTING_RELEASE(DOMFileSystem)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(DOMFileSystem)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
/* static */ already_AddRefed<DOMFileSystem>
DOMFileSystem::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<DOMFileSystem> fs =
new DOMFileSystem(aGlobalObject, NS_ConvertUTF8toUTF16(name));
return fs.forget();
}
DOMFileSystem::DOMFileSystem(nsIGlobalObject* aGlobal,
const nsAString& aName)
: mParent(aGlobal)
, mName(aName)
{
MOZ_ASSERT(aGlobal);
}
DOMFileSystem::~DOMFileSystem()
{}
JSObject*
DOMFileSystem::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return DOMFileSystemBinding::Wrap(aCx, this, aGivenProto);
}
void
DOMFileSystem::CreateRoot(const Sequence<RefPtr<Entry>>& aEntries)
{
MOZ_ASSERT(!mRoot);
mRoot = new RootDirectoryEntry(mParent, aEntries, this);
}
} // dom namespace
} // mozilla namespace