зеркало из https://github.com/mozilla/gecko-dev.git
82 строки
2.6 KiB
C++
82 строки
2.6 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 "ClientHandleOpParent.h"
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#include "ClientHandleParent.h"
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#include "ClientSourceParent.h"
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#include "mozilla/dom/PClientManagerParent.h"
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namespace mozilla {
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namespace dom {
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ClientSourceParent*
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ClientHandleOpParent::GetSource() const
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{
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auto handle = static_cast<ClientHandleParent*>(Manager());
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return handle->GetSource();
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}
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void
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ClientHandleOpParent::ActorDestroy(ActorDestroyReason aReason)
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{
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mPromiseRequestHolder.DisconnectIfExists();
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}
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void
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ClientHandleOpParent::Init(const ClientOpConstructorArgs& aArgs)
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{
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ClientSourceParent* source = GetSource();
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if (!source) {
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Unused << PClientHandleOpParent::Send__delete__(this, NS_ERROR_DOM_ABORT_ERR);
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return;
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}
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RefPtr<ClientOpPromise> p;
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// ClientPostMessageArgs can contain PBlob actors. This means we
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// can't just forward the args from one PBackground manager to
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// another. Instead, unpack the structured clone data and repack
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// it into a new set of arguments.
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if (aArgs.type() == ClientOpConstructorArgs::TClientPostMessageArgs) {
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const ClientPostMessageArgs& orig = aArgs.get_ClientPostMessageArgs();
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ClientPostMessageArgs rebuild;
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rebuild.serviceWorker() = orig.serviceWorker();
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StructuredCloneData data;
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data.BorrowFromClonedMessageDataForBackgroundParent(orig.clonedData());
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if (!data.BuildClonedMessageDataForBackgroundParent(source->Manager()->Manager(),
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rebuild.clonedData())) {
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Unused << PClientHandleOpParent::Send__delete__(this, NS_ERROR_DOM_ABORT_ERR);
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return;
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}
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p = source->StartOp(rebuild);
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}
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// Other argument types can just be forwarded straight through.
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else {
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p = source->StartOp(aArgs);
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}
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// Capturing 'this' is safe here because we disconnect the promise in
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// ActorDestroy() which ensures neither lambda is called if the actor
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// is destroyed before the source operation completes.
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p->Then(GetCurrentThreadSerialEventTarget(), __func__,
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[this] (const ClientOpResult& aResult) {
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mPromiseRequestHolder.Complete();
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Unused << PClientHandleOpParent::Send__delete__(this, aResult);
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},
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[this] (nsresult aRv) {
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mPromiseRequestHolder.Complete();
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Unused << PClientHandleOpParent::Send__delete__(this, aRv);
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})->Track(mPromiseRequestHolder);
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}
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} // namespace dom
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} // namespace mozilla
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