137 lines
4.2 KiB
C++
137 lines
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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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 "mozilla/dom/JSWindowActorBinding.h"
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#include "mozilla/dom/JSWindowActorChild.h"
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#include "mozilla/dom/ContentChild.h"
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#include "mozilla/dom/WindowGlobalChild.h"
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#include "mozilla/dom/WindowGlobalParent.h"
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#include "mozilla/dom/WindowProxyHolder.h"
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#include "mozilla/dom/MessageManagerBinding.h"
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#include "mozilla/dom/BrowsingContext.h"
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#include "nsGlobalWindowInner.h"
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namespace mozilla::dom {
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JSWindowActorChild::~JSWindowActorChild() { MOZ_ASSERT(!mManager); }
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JSObject* JSWindowActorChild::WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return JSWindowActorChild_Binding::Wrap(aCx, this, aGivenProto);
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}
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WindowGlobalChild* JSWindowActorChild::GetManager() const { return mManager; }
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WindowContext* JSWindowActorChild::GetWindowContext() const {
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return mManager ? mManager->WindowContext() : nullptr;
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}
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void JSWindowActorChild::Init(const nsACString& aName,
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WindowGlobalChild* aManager) {
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MOZ_ASSERT(!mManager, "Cannot Init() a JSWindowActorChild twice!");
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mManager = aManager;
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JSActor::Init(aName);
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}
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void JSWindowActorChild::SendRawMessage(
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const JSActorMessageMeta& aMeta, Maybe<ipc::StructuredCloneData>&& aData,
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Maybe<ipc::StructuredCloneData>&& aStack, ErrorResult& aRv) {
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if (!CanSend() || !mManager || !mManager->CanSend()) {
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aRv.ThrowInvalidStateError("JSWindowActorChild cannot send at the moment");
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return;
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}
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if (mManager->IsInProcess()) {
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SendRawMessageInProcess(
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aMeta, std::move(aData), std::move(aStack),
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[manager{mManager}]() { return manager->GetParentActor(); });
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return;
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}
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// Cross-process case - send data over WindowGlobalChild to other side.
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Maybe<ClonedMessageData> msgData;
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if (aData) {
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msgData.emplace();
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if (!aData->BuildClonedMessageData(*msgData)) {
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aRv.ThrowDataCloneError(
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nsPrintfCString("JSWindowActorChild serialization error: cannot "
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"clone, in actor '%s'",
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PromiseFlatCString(aMeta.actorName()).get()));
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return;
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}
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}
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Maybe<ClonedMessageData> stackData;
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if (aStack) {
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stackData.emplace();
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if (!aStack->BuildClonedMessageData(*stackData)) {
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stackData.reset();
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}
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}
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if (!mManager->SendRawMessage(aMeta, msgData, stackData)) {
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aRv.ThrowOperationError(
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nsPrintfCString("JSWindowActorChild send error in actor '%s'",
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PromiseFlatCString(aMeta.actorName()).get()));
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return;
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}
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}
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Document* JSWindowActorChild::GetDocument(ErrorResult& aRv) {
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if (!mManager) {
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ThrowStateErrorForGetter("document", aRv);
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return nullptr;
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}
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nsGlobalWindowInner* window = mManager->GetWindowGlobal();
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return window ? window->GetDocument() : nullptr;
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}
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BrowsingContext* JSWindowActorChild::GetBrowsingContext(ErrorResult& aRv) {
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if (!mManager) {
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ThrowStateErrorForGetter("browsingContext", aRv);
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return nullptr;
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}
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return mManager->BrowsingContext();
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}
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nsIDocShell* JSWindowActorChild::GetDocShell(ErrorResult& aRv) {
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if (!mManager) {
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ThrowStateErrorForGetter("docShell", aRv);
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return nullptr;
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}
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return mManager->BrowsingContext()->GetDocShell();
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}
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Nullable<WindowProxyHolder> JSWindowActorChild::GetContentWindow(
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ErrorResult& aRv) {
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if (!mManager) {
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ThrowStateErrorForGetter("contentWindow", aRv);
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return nullptr;
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}
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if (nsGlobalWindowInner* window = mManager->GetWindowGlobal()) {
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if (window->IsCurrentInnerWindow()) {
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return WindowProxyHolder(window->GetBrowsingContext());
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}
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}
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return nullptr;
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}
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void JSWindowActorChild::ClearManager() { mManager = nullptr; }
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NS_IMPL_CYCLE_COLLECTION_INHERITED(JSWindowActorChild, JSActor, mManager)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(JSWindowActorChild)
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NS_INTERFACE_MAP_END_INHERITING(JSActor)
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NS_IMPL_ADDREF_INHERITED(JSWindowActorChild, JSActor)
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NS_IMPL_RELEASE_INHERITED(JSWindowActorChild, JSActor)
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} // namespace mozilla::dom
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