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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/JSProcessActorChild.h"
#include "mozilla/ipc/InProcessChild.h"
namespace mozilla {
namespace dom {
NS_IMPL_CYCLE_COLLECTION_INHERITED(JSProcessActorChild, JSActor, mManager)
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(JSProcessActorChild, JSActor)
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(JSProcessActorChild)
NS_INTERFACE_MAP_END_INHERITING(JSActor)
NS_IMPL_ADDREF_INHERITED(JSProcessActorChild, JSActor)
NS_IMPL_RELEASE_INHERITED(JSProcessActorChild, JSActor)
JSObject* JSProcessActorChild::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return JSProcessActorChild_Binding::Wrap(aCx, this, aGivenProto);
}
void JSProcessActorChild::SendRawMessage(const JSActorMessageMeta& aMeta,
ipc::StructuredCloneData&& aData,
ipc::StructuredCloneData&& aStack,
ErrorResult& aRv) {
// We only ever have JSProcessActorChild in a multi-process scenario.
MOZ_ASSERT(XRE_IsContentProcess());
if (NS_WARN_IF(!mCanSend || !mManager || !mManager->CanSend())) {
aRv.ThrowInvalidStateError("JSProcessActorChild cannot send at the moment");
return;
}
if (NS_WARN_IF(
!AllowMessage(aMeta, aData.DataLength() + aStack.DataLength()))) {
aRv.ThrowDataCloneError(
nsPrintfCString("JSProcessActorChild serialization error: data too "
"large, in actor '%s'",
PromiseFlatCString(aMeta.actorName()).get()));
return;
}
ClonedMessageData msgData;
ClonedMessageData stackData;
if (NS_WARN_IF(!aData.BuildClonedMessageDataForChild(mManager, msgData)) ||
NS_WARN_IF(!aStack.BuildClonedMessageDataForChild(mManager, stackData))) {
aRv.ThrowDataCloneError(nsPrintfCString(
"JSProcessActorChild serialization error: cannot clone, in actor '%s'",
PromiseFlatCString(aMeta.actorName()).get()));
return;
}
if (NS_WARN_IF(!mManager->SendRawMessage(aMeta, msgData, stackData))) {
aRv.ThrowOperationError(
nsPrintfCString("JSProcessActorChild send error in actor '%s'",
PromiseFlatCString(aMeta.actorName()).get()));
return;
}
}
void JSProcessActorChild::Init(const nsACString& aName,
ContentChild* aManager) {
MOZ_ASSERT(!mManager, "Cannot Init() a JSProcessActorChild twice!");
SetName(aName);
mManager = aManager;
InvokeCallback(CallbackFunction::ActorCreated);
}
void JSProcessActorChild::AfterDestroy() {
JSActor::AfterDestroy();
mManager = nullptr;
}
} // namespace dom
} // namespace mozilla
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