mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
136 lines
3.4 KiB
C++
136 lines
3.4 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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/cache/OfflineStorage.h"
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#include "mozilla/dom/cache/Context.h"
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#include "mozilla/dom/cache/QuotaClient.h"
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#include "mozilla/dom/quota/QuotaManager.h"
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#include "nsThreadUtils.h"
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namespace mozilla {
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namespace dom {
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namespace cache {
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using mozilla::dom::quota::Client;
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using mozilla::dom::quota::PERSISTENCE_TYPE_DEFAULT;
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using mozilla::dom::quota::QuotaManager;
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NS_IMPL_ISUPPORTS(OfflineStorage, nsIOfflineStorage);
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// static
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already_AddRefed<OfflineStorage>
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OfflineStorage::Register(Context::ThreadsafeHandle* aContext,
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const QuotaInfo& aQuotaInfo)
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{
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MOZ_ASSERT(NS_IsMainThread());
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QuotaManager* qm = QuotaManager::Get();
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if (NS_WARN_IF(!qm)) {
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return nullptr;
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}
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nsRefPtr<Client> client = qm->GetClient(Client::DOMCACHE);
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nsRefPtr<OfflineStorage> storage =
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new OfflineStorage(aContext, aQuotaInfo, client);
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if (NS_WARN_IF(!qm->RegisterStorage(storage))) {
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return nullptr;
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}
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return storage.forget();
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}
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void
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OfflineStorage::AddDestroyCallback(nsIRunnable* aCallback)
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{
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MOZ_ASSERT(aCallback);
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MOZ_ASSERT(!mDestroyCallbacks.Contains(aCallback));
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mDestroyCallbacks.AppendElement(aCallback);
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}
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OfflineStorage::OfflineStorage(Context::ThreadsafeHandle* aContext,
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const QuotaInfo& aQuotaInfo,
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Client* aClient)
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: mContext(aContext)
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, mQuotaInfo(aQuotaInfo)
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, mClient(aClient)
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{
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MOZ_ASSERT(mContext);
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MOZ_ASSERT(mClient);
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mPersistenceType = PERSISTENCE_TYPE_DEFAULT;
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mGroup = mQuotaInfo.mGroup;
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}
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OfflineStorage::~OfflineStorage()
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{
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MOZ_ASSERT(NS_IsMainThread());
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QuotaManager* qm = QuotaManager::Get();
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MOZ_ASSERT(qm);
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qm->UnregisterStorage(this);
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for (uint32_t i = 0; i < mDestroyCallbacks.Length(); ++i) {
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mDestroyCallbacks[i]->Run();
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}
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}
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NS_IMETHODIMP_(const nsACString&)
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OfflineStorage::Id()
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{
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MOZ_ASSERT(NS_IsMainThread());
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return mQuotaInfo.mStorageId;
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}
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NS_IMETHODIMP_(Client*)
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OfflineStorage::GetClient()
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{
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MOZ_ASSERT(NS_IsMainThread());
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return mClient;
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}
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NS_IMETHODIMP_(bool)
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OfflineStorage::IsOwnedByProcess(ContentParent* aOwner)
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{
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MOZ_ASSERT(NS_IsMainThread());
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// The Cache and Context can be shared by multiple client processes. They
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// are not exclusively owned by a single process.
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//
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// As far as I can tell this is used by QuotaManager to shutdown storages
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// when a particular process goes away. We definitely don't want this
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// since we are shared. Also, the Cache actor code already properly
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// handles asynchronous actor destruction when the child process dies.
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//
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// Therefore, always return false here.
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return false;
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}
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NS_IMETHODIMP_(const nsACString&)
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OfflineStorage::Origin()
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{
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MOZ_ASSERT(NS_IsMainThread());
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return mQuotaInfo.mOrigin;
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}
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NS_IMETHODIMP_(nsresult)
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OfflineStorage::Close()
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{
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MOZ_ASSERT(NS_IsMainThread());
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mContext->AllowToClose();
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return NS_OK;
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}
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NS_IMETHODIMP_(void)
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OfflineStorage::Invalidate()
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{
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MOZ_ASSERT(NS_IsMainThread());
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mContext->InvalidateAndAllowToClose();
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}
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} // namespace cache
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} // namespace dom
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} // namespace mozilla
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