зеркало из https://github.com/mozilla/gecko-dev.git
135 строки
3.5 KiB
C++
135 строки
3.5 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "SessionStorageService.h"
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#include "MainThreadUtils.h"
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#include "mozilla/ClearOnShutdown.h"
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#include "mozilla/Components.h"
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#include "mozilla/StaticPtr.h"
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#include "mozilla/ipc/BackgroundChild.h"
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#include "mozilla/ipc/PBackgroundChild.h"
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namespace mozilla::dom {
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using namespace mozilla::ipc;
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namespace {
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StaticRefPtr<SessionStorageService> gSessionStorageService;
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bool gShutdown(false);
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} // namespace
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NS_IMPL_ISUPPORTS(SessionStorageService, nsISessionStorageService)
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NS_IMETHODIMP
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SessionStorageService::ClearStoragesForOrigin(nsIPrincipal* aPrincipal) {
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AssertIsOnMainThread();
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MOZ_ASSERT(aPrincipal);
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QM_TRY_INSPECT(const auto& originAttrs,
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MOZ_TO_RESULT_INVOKE_MEMBER_TYPED(nsCString, aPrincipal,
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GetOriginSuffix));
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QM_TRY_INSPECT(const auto& originKey,
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MOZ_TO_RESULT_INVOKE_MEMBER_TYPED(nsCString, aPrincipal,
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GetStorageOriginKey));
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QM_TRY(OkIf(SendClearStoragesForOrigin(originAttrs, originKey)),
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NS_ERROR_FAILURE);
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return NS_OK;
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}
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SessionStorageService::SessionStorageService() { AssertIsOnMainThread(); }
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SessionStorageService::~SessionStorageService() {
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AssertIsOnMainThread();
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MOZ_ASSERT_IF(mInitialized, mActorDestroyed);
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}
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// static
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Result<RefPtr<SessionStorageService>, nsresult> SessionStorageService::Acquire(
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const CreateIfNonExistent&) {
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AssertIsOnMainThread();
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QM_TRY(OkIf(!gShutdown), Err(NS_ERROR_ILLEGAL_DURING_SHUTDOWN));
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if (gSessionStorageService) {
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return RefPtr<SessionStorageService>(gSessionStorageService);
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}
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auto sessionStorageService = MakeRefPtr<SessionStorageService>();
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QM_TRY(sessionStorageService->Init());
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gSessionStorageService = sessionStorageService;
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RunOnShutdown(
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[] {
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gShutdown = true;
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gSessionStorageService->Shutdown();
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gSessionStorageService = nullptr;
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},
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ShutdownPhase::XPCOMShutdown);
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return sessionStorageService;
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}
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// static
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RefPtr<SessionStorageService> SessionStorageService::Acquire() {
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AssertIsOnMainThread();
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return gSessionStorageService;
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}
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Result<Ok, nsresult> SessionStorageService::Init() {
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AssertIsOnMainThread();
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PBackgroundChild* backgroundActor =
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BackgroundChild::GetOrCreateForCurrentThread();
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QM_TRY(OkIf(backgroundActor), Err(NS_ERROR_FAILURE));
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QM_TRY(OkIf(backgroundActor->SendPBackgroundSessionStorageServiceConstructor(
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this)),
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Err(NS_ERROR_FAILURE));
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mInitialized.Flip();
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return Ok{};
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}
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void SessionStorageService::Shutdown() {
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AssertIsOnMainThread();
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if (!mActorDestroyed) {
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QM_WARNONLY_TRY(OkIf(Send__delete__(this)));
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}
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}
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void SessionStorageService::ActorDestroy(ActorDestroyReason /* aWhy */) {
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AssertIsOnMainThread();
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mActorDestroyed.Flip();
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}
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} // namespace mozilla::dom
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NS_IMPL_COMPONENT_FACTORY(nsISessionStorageService) {
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mozilla::AssertIsOnMainThread();
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QM_TRY_UNWRAP(auto sessionStorageService,
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mozilla::dom::SessionStorageService::Acquire(
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mozilla::CreateIfNonExistent{}),
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nullptr);
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return sessionStorageService.forget().downcast<nsISupports>();
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}
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