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