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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /dom/clients/manager/ClientHandleOpParent.cpp | |
parent | Initial commit. (diff) | |
download | firefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/clients/manager/ClientHandleOpParent.cpp')
-rw-r--r-- | dom/clients/manager/ClientHandleOpParent.cpp | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/dom/clients/manager/ClientHandleOpParent.cpp b/dom/clients/manager/ClientHandleOpParent.cpp new file mode 100644 index 0000000000..37f1c6258b --- /dev/null +++ b/dom/clients/manager/ClientHandleOpParent.cpp @@ -0,0 +1,96 @@ +/* -*- 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 "ClientHandleOpParent.h" + +#include "ClientHandleParent.h" +#include "ClientSourceParent.h" +#include "mozilla/dom/ipc/StructuredCloneData.h" +#include "mozilla/dom/PClientManagerParent.h" + +namespace mozilla::dom { + +ClientSourceParent* ClientHandleOpParent::GetSource() const { + auto handle = static_cast<ClientHandleParent*>(Manager()); + return handle->GetSource(); +} + +void ClientHandleOpParent::ActorDestroy(ActorDestroyReason aReason) { + mPromiseRequestHolder.DisconnectIfExists(); + mSourcePromiseRequestHolder.DisconnectIfExists(); +} + +void ClientHandleOpParent::Init(ClientOpConstructorArgs&& aArgs) { + auto handle = static_cast<ClientHandleParent*>(Manager()); + handle->EnsureSource() + ->Then( + GetCurrentSerialEventTarget(), __func__, + [this, handle, args = std::move(aArgs)](bool) mutable { + mSourcePromiseRequestHolder.Complete(); + + auto source = handle->GetSource(); + if (!source) { + CopyableErrorResult rv; + rv.ThrowAbortError("Client has been destroyed"); + Unused << PClientHandleOpParent::Send__delete__(this, rv); + return; + } + RefPtr<ClientOpPromise> p; + + // ClientPostMessageArgs can contain PBlob actors. This means we + // can't just forward the args from one PBackground manager to + // another. Instead, unpack the structured clone data and repack + // it into a new set of arguments. + if (args.type() == + ClientOpConstructorArgs::TClientPostMessageArgs) { + const ClientPostMessageArgs& orig = + args.get_ClientPostMessageArgs(); + + ClientPostMessageArgs rebuild; + rebuild.serviceWorker() = orig.serviceWorker(); + + ipc::StructuredCloneData data; + data.BorrowFromClonedMessageData(orig.clonedData()); + if (!data.BuildClonedMessageData(rebuild.clonedData())) { + CopyableErrorResult rv; + rv.ThrowAbortError("Aborting client operation"); + Unused << PClientHandleOpParent::Send__delete__(this, rv); + return; + } + + p = source->StartOp(std::move(rebuild)); + } + + // Other argument types can just be forwarded straight through. + else { + p = source->StartOp(std::move(args)); + } + + // Capturing 'this' is safe here because we disconnect the promise + // in ActorDestroy() which ensures neither lambda is called if the + // actor is destroyed before the source operation completes. + p->Then( + GetCurrentSerialEventTarget(), __func__, + [this](const ClientOpResult& aResult) { + mPromiseRequestHolder.Complete(); + Unused << PClientHandleOpParent::Send__delete__(this, + aResult); + }, + [this](const CopyableErrorResult& aRv) { + mPromiseRequestHolder.Complete(); + Unused << PClientHandleOpParent::Send__delete__(this, aRv); + }) + ->Track(mPromiseRequestHolder); + }, + [=](const CopyableErrorResult& failure) { + mSourcePromiseRequestHolder.Complete(); + Unused << PClientHandleOpParent::Send__delete__(this, failure); + return; + }) + ->Track(mSourcePromiseRequestHolder); +} + +} // namespace mozilla::dom |