diff options
Diffstat (limited to '')
-rw-r--r-- | dom/ipc/jsactor/JSWindowActorParent.cpp | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/dom/ipc/jsactor/JSWindowActorParent.cpp b/dom/ipc/jsactor/JSWindowActorParent.cpp new file mode 100644 index 0000000000..0bb82a9b8e --- /dev/null +++ b/dom/ipc/jsactor/JSWindowActorParent.cpp @@ -0,0 +1,102 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim:set ts=2 sw=2 sts=2 et cindent: */ +/* 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 "mozilla/dom/JSWindowActorBinding.h" +#include "mozilla/dom/JSWindowActorParent.h" +#include "mozilla/dom/BrowserParent.h" +#include "mozilla/dom/ContentParent.h" +#include "mozilla/dom/WindowGlobalChild.h" +#include "mozilla/dom/WindowGlobalParent.h" +#include "mozilla/dom/MessageManagerBinding.h" + +namespace mozilla::dom { + +JSWindowActorParent::~JSWindowActorParent() { MOZ_ASSERT(!mManager); } + +JSObject* JSWindowActorParent::WrapObject(JSContext* aCx, + JS::Handle<JSObject*> aGivenProto) { + return JSWindowActorParent_Binding::Wrap(aCx, this, aGivenProto); +} + +WindowGlobalParent* JSWindowActorParent::GetManager() const { return mManager; } + +WindowContext* JSWindowActorParent::GetWindowContext() const { + return mManager; +} + +void JSWindowActorParent::Init(const nsACString& aName, + WindowGlobalParent* aManager) { + MOZ_ASSERT(!mManager, "Cannot Init() a JSWindowActorParent twice!"); + SetName(aName); + mManager = aManager; + + InvokeCallback(CallbackFunction::ActorCreated); +} + +void JSWindowActorParent::SendRawMessage( + const JSActorMessageMeta& aMeta, Maybe<ipc::StructuredCloneData>&& aData, + Maybe<ipc::StructuredCloneData>&& aStack, ErrorResult& aRv) { + if (NS_WARN_IF(!CanSend() || !mManager || !mManager->CanSend())) { + aRv.ThrowInvalidStateError("JSWindowActorParent cannot send at the moment"); + return; + } + + if (mManager->IsInProcess()) { + SendRawMessageInProcess( + aMeta, std::move(aData), std::move(aStack), + [manager{mManager}]() { return manager->GetChildActor(); }); + return; + } + + Maybe<ClonedMessageData> msgData; + if (aData) { + msgData.emplace(); + if (NS_WARN_IF(!aData->BuildClonedMessageData(*msgData))) { + aRv.ThrowDataCloneError( + nsPrintfCString("JSWindowActorParent serialization error: cannot " + "clone, in actor '%s'", + PromiseFlatCString(aMeta.actorName()).get())); + return; + } + } + + Maybe<ClonedMessageData> stackData; + if (aStack) { + stackData.emplace(); + if (!aStack->BuildClonedMessageData(*stackData)) { + stackData.reset(); + } + } + + if (NS_WARN_IF(!mManager->SendRawMessage(aMeta, msgData, stackData))) { + aRv.ThrowOperationError( + nsPrintfCString("JSWindowActorParent send error in actor '%s'", + PromiseFlatCString(aMeta.actorName()).get())); + return; + } +} + +CanonicalBrowsingContext* JSWindowActorParent::GetBrowsingContext( + ErrorResult& aRv) { + if (!mManager) { + aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR); + return nullptr; + } + + return mManager->BrowsingContext(); +} + +void JSWindowActorParent::ClearManager() { mManager = nullptr; } + +NS_IMPL_CYCLE_COLLECTION_INHERITED(JSWindowActorParent, JSActor, mManager) + +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(JSWindowActorParent) +NS_INTERFACE_MAP_END_INHERITING(JSActor) + +NS_IMPL_ADDREF_INHERITED(JSWindowActorParent, JSActor) +NS_IMPL_RELEASE_INHERITED(JSWindowActorParent, JSActor) + +} // namespace mozilla::dom |