зеркало из https://github.com/mozilla/gecko-dev.git
79 строки
2.4 KiB
C++
79 строки
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_EventSourceEventService_h
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#define mozilla_dom_EventSourceEventService_h
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#include "mozilla/AlreadyAddRefed.h"
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#include "mozilla/Atomics.h"
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#include "nsIEventSourceEventService.h"
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#include "nsCOMPtr.h"
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#include "nsClassHashtable.h"
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#include "nsHashKeys.h"
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#include "nsIObserver.h"
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#include "nsISupportsImpl.h"
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#include "nsTArray.h"
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namespace mozilla {
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namespace dom {
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class EventSourceEventService final : public nsIEventSourceEventService,
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public nsIObserver {
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friend class EventSourceBaseRunnable;
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSIOBSERVER
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NS_DECL_NSIEVENTSOURCEEVENTSERVICE
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static already_AddRefed<EventSourceEventService> GetOrCreate();
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void EventSourceConnectionOpened(uint64_t aHttpChannelId,
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uint64_t aInnerWindowID);
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void EventSourceConnectionClosed(uint64_t aHttpChannelId,
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uint64_t aInnerWindowID);
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void EventReceived(uint64_t aHttpChannelId, uint64_t aInnerWindowID,
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const nsAString& aEventName, const nsAString& aLastEventID,
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const nsAString& aData, uint32_t aRetry,
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DOMHighResTimeStamp aTimeStamp);
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private:
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EventSourceEventService();
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~EventSourceEventService();
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bool HasListeners() const;
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void Shutdown();
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using EventSourceListeners = nsTArray<nsCOMPtr<nsIEventSourceEventListener>>;
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struct WindowListener {
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EventSourceListeners mListeners;
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};
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void GetListeners(uint64_t aInnerWindowID,
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EventSourceListeners& aListeners) const;
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// Used only on the main-thread.
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nsClassHashtable<nsUint64HashKey, WindowListener> mWindows;
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Atomic<uint64_t> mCountListeners;
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};
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} // namespace dom
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} // namespace mozilla
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/**
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* Casting EventSourceEventService to nsISupports is ambiguous.
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* This method handles that.
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*/
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inline nsISupports* ToSupports(mozilla::dom::EventSourceEventService* p) {
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return NS_ISUPPORTS_CAST(nsIEventSourceEventService*, p);
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}
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#endif // mozilla_dom_EventSourceEventService_h
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