зеркало из https://github.com/mozilla/gecko-dev.git
87 строки
3.2 KiB
C++
87 строки
3.2 KiB
C++
/* -*- 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
|