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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 "ClientHandle.h"
#include "ClientHandleChild.h"
#include "ClientHandleOpChild.h"
#include "ClientManager.h"
#include "ClientPrincipalUtils.h"
#include "ClientState.h"
#include "mozilla/dom/PClientManagerChild.h"
#include "mozilla/dom/ServiceWorkerDescriptor.h"
#include "mozilla/dom/ipc/StructuredCloneData.h"
namespace mozilla::dom {
using mozilla::dom::ipc::StructuredCloneData;
ClientHandle::~ClientHandle() { Shutdown(); }
void ClientHandle::Shutdown() {
NS_ASSERT_OWNINGTHREAD(ClientSource);
if (IsShutdown()) {
return;
}
ShutdownThing();
mManager = nullptr;
}
void ClientHandle::StartOp(const ClientOpConstructorArgs& aArgs,
const ClientOpCallback&& aResolveCallback,
const ClientOpCallback&& aRejectCallback) {
// Hold a ref to the client until the remote operation completes. Otherwise
// the ClientHandle might get de-refed and teardown the actor before we
// get an answer.
RefPtr<ClientHandle> kungFuGrip = this;
MaybeExecute(
[&aArgs, kungFuGrip, aRejectCallback,
resolve = std::move(aResolveCallback)](ClientHandleChild* aActor) {
MOZ_DIAGNOSTIC_ASSERT(aActor);
ClientHandleOpChild* actor = new ClientHandleOpChild(
kungFuGrip, aArgs, std::move(resolve), std::move(aRejectCallback));
if (!aActor->SendPClientHandleOpConstructor(actor, aArgs)) {
// Constructor failure will call reject callback via ActorDestroy()
return;
}
},
[aRejectCallback] {
MOZ_DIAGNOSTIC_ASSERT(aRejectCallback);
CopyableErrorResult rv;
rv.ThrowInvalidStateError("Client has been destroyed");
aRejectCallback(rv);
});
}
void ClientHandle::OnShutdownThing() {
NS_ASSERT_OWNINGTHREAD(ClientHandle);
if (!mDetachPromise) {
return;
}
mDetachPromise->Resolve(true, __func__);
}
ClientHandle::ClientHandle(ClientManager* aManager,
nsISerialEventTarget* aSerialEventTarget,
const ClientInfo& aClientInfo)
: mManager(aManager),
mSerialEventTarget(aSerialEventTarget),
mClientInfo(aClientInfo) {
MOZ_DIAGNOSTIC_ASSERT(mManager);
MOZ_DIAGNOSTIC_ASSERT(mSerialEventTarget);
MOZ_ASSERT(mSerialEventTarget->IsOnCurrentThread());
}
void ClientHandle::Activate(PClientManagerChild* aActor) {
NS_ASSERT_OWNINGTHREAD(ClientHandle);
if (IsShutdown()) {
return;
}
PClientHandleChild* actor =
aActor->SendPClientHandleConstructor(mClientInfo.ToIPC());
if (!actor) {
Shutdown();
return;
}
ActivateThing(static_cast<ClientHandleChild*>(actor));
}
void ClientHandle::ExecutionReady(const ClientInfo& aClientInfo) {
mClientInfo = aClientInfo;
}
const ClientInfo& ClientHandle::Info() const { return mClientInfo; }
RefPtr<GenericErrorResultPromise> ClientHandle::Control(
const ServiceWorkerDescriptor& aServiceWorker) {
RefPtr<GenericErrorResultPromise::Private> outerPromise =
new GenericErrorResultPromise::Private(__func__);
// We should never have a cross-origin controller. Since this would be
// same-origin policy violation we do a full release assertion here.
MOZ_RELEASE_ASSERT(ClientMatchPrincipalInfo(mClientInfo.PrincipalInfo(),
aServiceWorker.PrincipalInfo()));
StartOp(
ClientControlledArgs(aServiceWorker.ToIPC()),
[outerPromise](const ClientOpResult& aResult) {
outerPromise->Resolve(true, __func__);
},
[outerPromise](const ClientOpResult& aResult) {
outerPromise->Reject(aResult.get_CopyableErrorResult(), __func__);
});
return outerPromise;
}
RefPtr<ClientStatePromise> ClientHandle::Focus(CallerType aCallerType) {
RefPtr<ClientStatePromise::Private> outerPromise =
new ClientStatePromise::Private(__func__);
StartOp(
ClientFocusArgs(aCallerType),
[outerPromise](const ClientOpResult& aResult) {
outerPromise->Resolve(
ClientState::FromIPC(aResult.get_IPCClientState()), __func__);
},
[outerPromise](const ClientOpResult& aResult) {
outerPromise->Reject(aResult.get_CopyableErrorResult(), __func__);
});
return outerPromise;
}
RefPtr<GenericErrorResultPromise> ClientHandle::PostMessage(
StructuredCloneData& aData, const ServiceWorkerDescriptor& aSource) {
if (IsShutdown()) {
CopyableErrorResult rv;
rv.ThrowInvalidStateError("Client has been destroyed");
return GenericErrorResultPromise::CreateAndReject(rv, __func__);
}
ClientPostMessageArgs args;
args.serviceWorker() = aSource.ToIPC();
if (!aData.BuildClonedMessageData(args.clonedData())) {
CopyableErrorResult rv;
rv.ThrowInvalidStateError("Failed to clone data");
return GenericErrorResultPromise::CreateAndReject(rv, __func__);
}
RefPtr<GenericErrorResultPromise::Private> outerPromise =
new GenericErrorResultPromise::Private(__func__);
StartOp(
std::move(args),
[outerPromise](const ClientOpResult& aResult) {
outerPromise->Resolve(true, __func__);
},
[outerPromise](const ClientOpResult& aResult) {
outerPromise->Reject(aResult.get_CopyableErrorResult(), __func__);
});
return outerPromise;
}
RefPtr<GenericPromise> ClientHandle::OnDetach() {
NS_ASSERT_OWNINGTHREAD(ClientSource);
if (!mDetachPromise) {
mDetachPromise = new GenericPromise::Private(__func__);
if (IsShutdown()) {
mDetachPromise->Resolve(true, __func__);
}
}
return mDetachPromise;
}
void ClientHandle::EvictFromBFCache() {
ClientEvictBFCacheArgs args;
StartOp(
std::move(args), [](const ClientOpResult& aResult) {},
[](const ClientOpResult& aResult) {});
}
} // namespace mozilla::dom
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