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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#ifndef mozilla_dom_MessageBroadcaster_h
#define mozilla_dom_MessageBroadcaster_h
#include "mozilla/dom/MessageListenerManager.h"
#include "nsContentUtils.h"
namespace mozilla::dom {
/**
* Implementation for the WebIDL MessageBroadcaster interface. Base class for
* window and process broadcaster message managers.
*/
class MessageBroadcaster : public MessageListenerManager {
public:
static MessageBroadcaster* From(MessageListenerManager* aManager) {
if (aManager->IsBroadcaster()) {
return static_cast<MessageBroadcaster*>(aManager);
}
return nullptr;
}
void BroadcastAsyncMessage(JSContext* aCx, const nsAString& aMessageName,
JS::Handle<JS::Value> aObj,
mozilla::ErrorResult& aError) {
DispatchAsyncMessage(aCx, aMessageName, aObj, JS::UndefinedHandleValue,
aError);
}
uint32_t ChildCount() { return mChildManagers.Length(); }
MessageListenerManager* GetChildAt(uint32_t aIndex) {
return mChildManagers.SafeElementAt(aIndex);
}
void ReleaseCachedProcesses();
void AddChildManager(MessageListenerManager* aManager);
void RemoveChildManager(MessageListenerManager* aManager);
protected:
MessageBroadcaster(MessageBroadcaster* aParentManager,
MessageManagerFlags aFlags);
};
} // namespace mozilla::dom
#endif // mozilla_dom_MessageBroadcaster_h
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