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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_EventSourceEventService_h
#define mozilla_dom_EventSourceEventService_h
#include "mozilla/AlreadyAddRefed.h"
#include "mozilla/Atomics.h"
#include "nsCOMPtr.h"
#include "nsClassHashtable.h"
#include "nsHashKeys.h"
#include "nsIEventSourceEventService.h"
#include "nsIObserver.h"
#include "nsISupportsImpl.h"
#include "nsTArray.h"
namespace mozilla::dom {
class EventSourceEventService final : public nsIEventSourceEventService,
public nsIObserver {
friend class EventSourceBaseRunnable;
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIOBSERVER
NS_DECL_NSIEVENTSOURCEEVENTSERVICE
static already_AddRefed<EventSourceEventService> GetOrCreate();
void EventSourceConnectionOpened(uint64_t aHttpChannelId,
uint64_t aInnerWindowID);
void EventSourceConnectionClosed(uint64_t aHttpChannelId,
uint64_t aInnerWindowID);
void EventReceived(uint64_t aHttpChannelId, uint64_t aInnerWindowID,
const nsAString& aEventName, const nsAString& aLastEventID,
const nsAString& aData, uint32_t aRetry,
DOMHighResTimeStamp aTimeStamp);
private:
EventSourceEventService();
~EventSourceEventService();
bool HasListeners() const;
void Shutdown();
using EventSourceListeners = nsTArray<nsCOMPtr<nsIEventSourceEventListener>>;
struct WindowListener {
EventSourceListeners mListeners;
};
void GetListeners(uint64_t aInnerWindowID,
EventSourceListeners& aListeners) const;
// Used only on the main-thread.
nsClassHashtable<nsUint64HashKey, WindowListener> mWindows;
Atomic<uint64_t> mCountListeners;
};
} // namespace mozilla::dom
/**
* Casting EventSourceEventService to nsISupports is ambiguous.
* This method handles that.
*/
inline nsISupports* ToSupports(mozilla::dom::EventSourceEventService* p) {
return NS_ISUPPORTS_CAST(nsIEventSourceEventService*, p);
}
#endif // mozilla_dom_EventSourceEventService_h
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