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/* -*- 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/JSProcessActorBinding.h"
#include "mozilla/dom/JSProcessActorParent.h"
namespace mozilla {
namespace dom {
NS_IMPL_CYCLE_COLLECTION_INHERITED(JSProcessActorParent, JSActor, mManager)
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(JSProcessActorParent, JSActor)
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(JSProcessActorParent)
NS_INTERFACE_MAP_END_INHERITING(JSActor)
NS_IMPL_ADDREF_INHERITED(JSProcessActorParent, JSActor)
NS_IMPL_RELEASE_INHERITED(JSProcessActorParent, JSActor)
JSObject* JSProcessActorParent::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return JSProcessActorParent_Binding::Wrap(aCx, this, aGivenProto);
}
void JSProcessActorParent::Init(const nsACString& aName,
ContentParent* aManager) {
MOZ_ASSERT(!mManager, "Cannot Init() a JSProcessActorParent twice!");
SetName(aName);
mManager = aManager;
InvokeCallback(CallbackFunction::ActorCreated);
}
JSProcessActorParent::~JSProcessActorParent() { MOZ_ASSERT(!mManager); }
void JSProcessActorParent::SendRawMessage(const JSActorMessageMeta& aMeta,
ipc::StructuredCloneData&& aData,
ipc::StructuredCloneData&& aStack,
ErrorResult& aRv) {
if (NS_WARN_IF(!mCanSend || !mManager || !mManager->CanSend())) {
aRv.ThrowInvalidStateError(
nsPrintfCString("Actor '%s' cannot send message '%s' during shutdown.",
PromiseFlatCString(aMeta.actorName()).get(),
NS_ConvertUTF16toUTF8(aMeta.messageName()).get()));
return;
}
if (NS_WARN_IF(
!AllowMessage(aMeta, aData.DataLength() + aStack.DataLength()))) {
aRv.ThrowDataError(nsPrintfCString(
"Actor '%s' cannot send message '%s': message too long.",
PromiseFlatCString(aMeta.actorName()).get(),
NS_ConvertUTF16toUTF8(aMeta.messageName()).get()));
return;
}
// Cross-process case - send data over ContentParent to other side.
ClonedMessageData msgData;
ClonedMessageData stackData;
if (NS_WARN_IF(!aData.BuildClonedMessageDataForParent(mManager, msgData)) ||
NS_WARN_IF(
!aStack.BuildClonedMessageDataForParent(mManager, stackData))) {
aRv.ThrowDataCloneError(
nsPrintfCString("Actor '%s' cannot send message '%s': cannot clone.",
PromiseFlatCString(aMeta.actorName()).get(),
NS_ConvertUTF16toUTF8(aMeta.messageName()).get()));
return;
}
if (NS_WARN_IF(!mManager->SendRawMessage(aMeta, msgData, stackData))) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return;
}
}
void JSProcessActorParent::AfterDestroy() {
JSActor::AfterDestroy();
mManager = nullptr;
}
} // namespace dom
} // namespace mozilla
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