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-rw-r--r--dom/ipc/jsactor/JSWindowActorParent.cpp102
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