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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_BroadcastChannel_h
#define mozilla_dom_BroadcastChannel_h
#include "mozilla/Attributes.h"
#include "mozilla/DOMEventTargetHelper.h"
#include "nsTArray.h"
#include "mozilla/RefPtr.h"
class nsIGlobalObject;
namespace mozilla {
namespace ipc {
class PrincipalInfo;
} // namespace ipc
namespace dom {
class BroadcastChannelChild;
class RefMessageBodyService;
class WorkerRef;
class BroadcastChannel final : public DOMEventTargetHelper {
friend class BroadcastChannelChild;
using PrincipalInfo = mozilla::ipc::PrincipalInfo;
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(BroadcastChannel,
DOMEventTargetHelper)
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
static already_AddRefed<BroadcastChannel> Constructor(
const GlobalObject& aGlobal, const nsAString& aChannel, ErrorResult& aRv);
void GetName(nsAString& aName) const { aName = mChannel; }
void PostMessage(JSContext* aCx, JS::Handle<JS::Value> aMessage,
ErrorResult& aRv);
void Close();
IMPL_EVENT_HANDLER(message)
IMPL_EVENT_HANDLER(messageerror)
void Shutdown();
private:
BroadcastChannel(nsIGlobalObject* aGlobal, const nsAString& aChannel,
const nsID& aPortUUID);
~BroadcastChannel();
void MessageReceived(const MessageData& aData);
void MessageDelivered(const nsID& aMessageID, uint32_t aOtherBCs);
void RemoveDocFromBFCache();
void DisconnectFromOwner() override;
void DispatchError(JSContext* aCx);
RefPtr<BroadcastChannelChild> mActor;
RefPtr<RefMessageBodyService> mRefMessageBodyService;
RefPtr<WorkerRef> mWorkerRef;
nsString mChannel;
nsString mOriginForEvents;
enum { StateActive, StateClosed } mState;
// This ID is used to identify the messages-by-reference sent by this port.
// See RefMessageBodyService.
nsID mPortUUID;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_BroadcastChannel_h
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