/* -*- 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/cache/ManagerId.h" #include "mozilla/dom/quota/QuotaManager.h" #include "nsIPrincipal.h" #include "nsProxyRelease.h" #include "mozilla/RefPtr.h" #include "nsThreadUtils.h" namespace mozilla { namespace dom { namespace cache { using mozilla::dom::quota::QuotaManager; // static nsresult ManagerId::Create(nsIPrincipal* aPrincipal, ManagerId** aManagerIdOut) { MOZ_ASSERT(NS_IsMainThread()); // The QuotaManager::GetInfoFromPrincipal() has special logic for system // and about: principals. We need to use the same modified origin in // order to interpret calls from QM correctly. nsCString quotaOrigin; nsresult rv = QuotaManager::GetInfoFromPrincipal(aPrincipal, nullptr, // suffix nullptr, // group "aOrigin, nullptr); // is app if (NS_WARN_IF(NS_FAILED(rv))) { return rv; } RefPtr<ManagerId> ref = new ManagerId(aPrincipal, quotaOrigin); ref.forget(aManagerIdOut); return NS_OK; } already_AddRefed<nsIPrincipal> ManagerId::Principal() const { MOZ_ASSERT(NS_IsMainThread()); nsCOMPtr<nsIPrincipal> ref = mPrincipal; return ref.forget(); } ManagerId::ManagerId(nsIPrincipal* aPrincipal, const nsACString& aQuotaOrigin) : mPrincipal(aPrincipal) , mQuotaOrigin(aQuotaOrigin) { MOZ_DIAGNOSTIC_ASSERT(mPrincipal); } ManagerId::~ManagerId() { // If we're already on the main thread, then default destruction is fine if (NS_IsMainThread()) { return; } // Otherwise we need to proxy to main thread to do the release // The PBackground worker thread shouldn't be running after the main thread // is stopped. So main thread is guaranteed to exist here. NS_ReleaseOnMainThread(mPrincipal.forget()); } } // namespace cache } // namespace dom } // namespace mozilla