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Diffstat (limited to 'dom/broadcastchannel/BroadcastChannel.h')
-rw-r--r-- | dom/broadcastchannel/BroadcastChannel.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/dom/broadcastchannel/BroadcastChannel.h b/dom/broadcastchannel/BroadcastChannel.h new file mode 100644 index 0000000000..280913e8f8 --- /dev/null +++ b/dom/broadcastchannel/BroadcastChannel.h @@ -0,0 +1,93 @@ +/* -*- 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 |