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ca45889546
Backed out changeset 0a584a07b696 (bug1523638) Backed out changeset 8c5af2289900 (bug1523638) Backed out changeset 40ed1bd64b09 (bug1523638) Backed out changeset 9a99a0391979 (bug1523638) Backed out changeset 07fb4748b91a (bug1523638) Backed out changeset 49047c3ebae9 (bug1523638) Backed out changeset d606d072126c (bug1523638) Backed out changeset 76dc1937fc77 (bug1523638) Backed out changeset c784c14b5d5d (bug1523638)
128 lines
4.0 KiB
C++
128 lines
4.0 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/JSWindowActorParent.h"
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#include "mozilla/dom/WindowGlobalParent.h"
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#include "mozilla/dom/MessageManagerBinding.h"
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namespace mozilla {
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namespace dom {
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JSWindowActorParent::~JSWindowActorParent() { MOZ_ASSERT(!mManager); }
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nsIGlobalObject* JSWindowActorParent::GetParentObject() const {
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return xpc::NativeGlobal(xpc::PrivilegedJunkScope());
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}
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JSObject* JSWindowActorParent::WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return JSWindowActorParent_Binding::Wrap(aCx, this, aGivenProto);
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}
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WindowGlobalParent* JSWindowActorParent::GetManager() const { return mManager; }
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void JSWindowActorParent::Init(const nsAString& aName,
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WindowGlobalParent* aManager) {
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MOZ_ASSERT(!mManager, "Cannot Init() a JSWindowActorParent twice!");
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SetName(aName);
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mManager = aManager;
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}
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namespace {
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class AsyncMessageToChild : public Runnable {
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public:
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AsyncMessageToChild(const JSWindowActorMessageMeta& aMetadata,
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ipc::StructuredCloneData&& aData,
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WindowGlobalParent* aManager)
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: mozilla::Runnable("WindowGlobalChild::HandleAsyncMessage"),
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mMetadata(aMetadata),
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mData(std::move(aData)),
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mManager(aManager) {}
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NS_IMETHOD Run() override {
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MOZ_ASSERT(NS_IsMainThread(), "Should be called on the main thread.");
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RefPtr<WindowGlobalChild> child = mManager->GetChildActor();
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if (child) {
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child->ReceiveRawMessage(mMetadata, std::move(mData));
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}
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return NS_OK;
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}
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private:
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JSWindowActorMessageMeta mMetadata;
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ipc::StructuredCloneData mData;
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RefPtr<WindowGlobalParent> mManager;
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};
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} // anonymous namespace
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void JSWindowActorParent::SendRawMessage(const JSWindowActorMessageMeta& aMeta,
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ipc::StructuredCloneData&& aData,
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ErrorResult& aRv) {
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if (NS_WARN_IF(!mCanSend || !mManager || mManager->IsClosed())) {
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aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
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return;
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}
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if (mManager->IsInProcess()) {
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nsCOMPtr<nsIRunnable> runnable =
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new AsyncMessageToChild(aMeta, std::move(aData), mManager);
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NS_DispatchToMainThread(runnable.forget());
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return;
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}
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// Cross-process case - send data over WindowGlobalParent to other side.
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ClonedMessageData msgData;
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RefPtr<BrowserParent> browserParent = mManager->GetBrowserParent();
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ContentParent* cp = browserParent->Manager();
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if (NS_WARN_IF(!aData.BuildClonedMessageDataForParent(cp, msgData))) {
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aRv.Throw(NS_ERROR_DOM_DATA_CLONE_ERR);
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return;
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}
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if (NS_WARN_IF(!mManager->SendRawMessage(aMeta, msgData))) {
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aRv.Throw(NS_ERROR_UNEXPECTED);
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return;
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}
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}
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CanonicalBrowsingContext* JSWindowActorParent::GetBrowsingContext(
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ErrorResult& aRv) {
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if (!mManager) {
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aRv.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
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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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void JSWindowActorParent::StartDestroy() {
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JSWindowActor::StartDestroy();
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mCanSend = false;
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}
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void JSWindowActorParent::AfterDestroy() {
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JSWindowActor::AfterDestroy();
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mManager = nullptr;
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}
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NS_IMPL_CYCLE_COLLECTION_INHERITED(JSWindowActorParent, JSWindowActor, mManager)
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NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(JSWindowActorParent,
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JSWindowActor)
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NS_IMPL_CYCLE_COLLECTION_TRACE_END
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(JSWindowActorParent)
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NS_INTERFACE_MAP_END_INHERITING(JSWindowActor)
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NS_IMPL_ADDREF_INHERITED(JSWindowActorParent, JSWindowActor)
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NS_IMPL_RELEASE_INHERITED(JSWindowActorParent, JSWindowActor)
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} // namespace dom
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} // namespace mozilla
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