From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- dom/ipc/jsactor/JSWindowActorChild.cpp | 160 +++++++++++++++++++++++++++++++++ 1 file changed, 160 insertions(+) create mode 100644 dom/ipc/jsactor/JSWindowActorChild.cpp (limited to 'dom/ipc/jsactor/JSWindowActorChild.cpp') diff --git a/dom/ipc/jsactor/JSWindowActorChild.cpp b/dom/ipc/jsactor/JSWindowActorChild.cpp new file mode 100644 index 0000000000..4d028a0789 --- /dev/null +++ b/dom/ipc/jsactor/JSWindowActorChild.cpp @@ -0,0 +1,160 @@ +/* -*- 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/JSWindowActorChild.h" +#include "mozilla/dom/ContentChild.h" +#include "mozilla/dom/WindowGlobalChild.h" +#include "mozilla/dom/WindowGlobalParent.h" +#include "mozilla/dom/WindowProxyHolder.h" +#include "mozilla/dom/MessageManagerBinding.h" +#include "mozilla/dom/BrowsingContext.h" +#include "nsGlobalWindowInner.h" + +namespace mozilla::dom { + +JSWindowActorChild::~JSWindowActorChild() { MOZ_ASSERT(!mManager); } + +JSObject* JSWindowActorChild::WrapObject(JSContext* aCx, + JS::Handle aGivenProto) { + return JSWindowActorChild_Binding::Wrap(aCx, this, aGivenProto); +} + +WindowGlobalChild* JSWindowActorChild::GetManager() const { return mManager; } + +WindowContext* JSWindowActorChild::GetWindowContext() const { + return mManager ? mManager->WindowContext() : nullptr; +} + +void JSWindowActorChild::Init(const nsACString& aName, + WindowGlobalChild* aManager) { + MOZ_ASSERT(!mManager, "Cannot Init() a JSWindowActorChild twice!"); + SetName(aName); + mManager = aManager; + + InvokeCallback(CallbackFunction::ActorCreated); +} + +#ifdef DEBUG +# define DEBUG_WARN_MESSAGE_UNSENT(aMeta, aWarning) \ + NS_DebugBreak( \ + NS_DEBUG_WARNING, \ + nsPrintfCString( \ + "JSWindowActorChild::SendRawMessage (%s, %s) not sent: %s", \ + (aMeta).actorName().get(), \ + NS_LossyConvertUTF16toASCII((aMeta).messageName()).get(), \ + (aWarning)) \ + .get(), \ + nullptr, __FILE__, __LINE__) +#else +# define DEBUG_WARN_MESSAGE_UNSENT(aMeta, aWarning) +#endif + +void JSWindowActorChild::SendRawMessage( + const JSActorMessageMeta& aMeta, Maybe&& aData, + Maybe&& aStack, ErrorResult& aRv) { + if (!CanSend() || !mManager || !mManager->CanSend()) { + DEBUG_WARN_MESSAGE_UNSENT( + aMeta, "!CanSend() || !mManager || !mManager->CanSend()"); + aRv.ThrowInvalidStateError("JSWindowActorChild cannot send at the moment"); + return; + } + + if (mManager->IsInProcess()) { + SendRawMessageInProcess( + aMeta, std::move(aData), std::move(aStack), + [manager{mManager}]() { return manager->GetParentActor(); }); + return; + } + + // Cross-process case - send data over WindowGlobalChild to other side. + Maybe msgData; + if (aData) { + msgData.emplace(); + if (!aData->BuildClonedMessageData(*msgData)) { + DEBUG_WARN_MESSAGE_UNSENT(aMeta, + "!aData->BuildClonedMessageData(*msgData)"); + aRv.ThrowDataCloneError( + nsPrintfCString("JSWindowActorChild serialization error: cannot " + "clone, in actor '%s'", + PromiseFlatCString(aMeta.actorName()).get())); + return; + } + } + + Maybe stackData; + if (aStack) { + stackData.emplace(); + if (!aStack->BuildClonedMessageData(*stackData)) { + stackData.reset(); + } + } + + if (!mManager->SendRawMessage(aMeta, msgData, stackData)) { + DEBUG_WARN_MESSAGE_UNSENT( + aMeta, "!mManager->SendRawMessage(aMeta, msgData, stackData)"); + aRv.ThrowOperationError( + nsPrintfCString("JSWindowActorChild send error in actor '%s'", + PromiseFlatCString(aMeta.actorName()).get())); + return; + } +} + +Document* JSWindowActorChild::GetDocument(ErrorResult& aRv) { + if (!mManager) { + ThrowStateErrorForGetter("document", aRv); + return nullptr; + } + + nsGlobalWindowInner* window = mManager->GetWindowGlobal(); + return window ? window->GetDocument() : nullptr; +} + +BrowsingContext* JSWindowActorChild::GetBrowsingContext(ErrorResult& aRv) { + if (!mManager) { + ThrowStateErrorForGetter("browsingContext", aRv); + return nullptr; + } + + return mManager->BrowsingContext(); +} + +nsIDocShell* JSWindowActorChild::GetDocShell(ErrorResult& aRv) { + if (!mManager) { + ThrowStateErrorForGetter("docShell", aRv); + return nullptr; + } + + return mManager->BrowsingContext()->GetDocShell(); +} + +Nullable JSWindowActorChild::GetContentWindow( + ErrorResult& aRv) { + if (!mManager) { + ThrowStateErrorForGetter("contentWindow", aRv); + return nullptr; + } + + if (nsGlobalWindowInner* window = mManager->GetWindowGlobal()) { + if (window->IsCurrentInnerWindow()) { + return WindowProxyHolder(window->GetBrowsingContext()); + } + } + + return nullptr; +} + +void JSWindowActorChild::ClearManager() { mManager = nullptr; } + +NS_IMPL_CYCLE_COLLECTION_INHERITED(JSWindowActorChild, JSActor, mManager) + +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(JSWindowActorChild) +NS_INTERFACE_MAP_END_INHERITING(JSActor) + +NS_IMPL_ADDREF_INHERITED(JSWindowActorChild, JSActor) +NS_IMPL_RELEASE_INHERITED(JSWindowActorChild, JSActor) + +} // namespace mozilla::dom -- cgit v1.2.3