gecko-dev/dom/presentation/PresentationServiceBase.h

58 строки
2.0 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et ft=cpp : */
/* 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_PresentationServiceBase_h
#define mozilla_dom_PresentationServiceBase_h
#include "nsClassHashtable.h"
#include "nsRefPtrHashtable.h"
#include "nsTArray.h"
class nsIPresentationRespondingListener;
class nsString;
namespace mozilla {
namespace dom {
class PresentationServiceBase : public nsISupports
{
public:
NS_DECL_ISUPPORTS
PresentationServiceBase() = default;
protected:
virtual ~PresentationServiceBase() = default;
void Shutdown()
{
mRespondingListeners.Clear();
mRespondingSessionIds.Clear();
mRespondingWindowIds.Clear();
}
nsresult GetExistentSessionIdAtLaunchInternal(uint64_t aWindowId, nsAString& aSessionId);
nsresult GetWindowIdBySessionIdInternal(const nsAString& aSessionId, uint64_t* aWindowId);
void AddRespondingSessionId(uint64_t aWindowId, const nsAString& aSessionId);
void RemoveRespondingSessionId(const nsAString& aSessionId);
// Store the responding listener based on the window ID of the (in-process or
// OOP) receiver page.
nsRefPtrHashtable<nsUint64HashKey, nsIPresentationRespondingListener> mRespondingListeners;
// Store the mapping between the window ID of the in-process and OOP page and the ID
// of the responding session. It's used for an receiver page to retrieve
// the correspondent session ID. Besides, also keep the mapping
// between the responding session ID and the window ID to help look up the
// window ID.
nsClassHashtable<nsUint64HashKey, nsTArray<nsString>> mRespondingSessionIds;
nsDataHashtable<nsStringHashKey, uint64_t> mRespondingWindowIds;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_PresentationServiceBase_h