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c0756f3389
Backed out changeset 644ceb2fe568 (bug 1523638) Backed out changeset 27647ee7a927 (bug 1523638) Backed out changeset 96f1ccb95570 (bug 1523638) Backed out changeset b60a17ea716a (bug 1523638) Backed out changeset 507e63186c5f (bug 1523638) Backed out changeset 33255408ca61 (bug 1523638) Backed out changeset d97b2d223616 (bug 1523638) Backed out changeset eba2a0514cde (bug 1523638) Backed out changeset d7065174c5c4 (bug 1523638) Backed out changeset c21b361e175d (bug 1523638)
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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