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100 lines
3.1 KiB
C++
100 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set sw=2 ts=8 et ft=cpp : */
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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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_PresentationServiceBase_h
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#define mozilla_dom_PresentationServiceBase_h
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#include "nsClassHashtable.h"
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#include "nsRefPtrHashtable.h"
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#include "nsTArray.h"
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class nsIPresentationRespondingListener;
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class nsString;
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namespace mozilla {
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namespace dom {
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class PresentationServiceBase : public nsISupports
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{
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public:
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NS_DECL_ISUPPORTS
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PresentationServiceBase() = default;
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protected:
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class SessionIdManager final
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{
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public:
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explicit SessionIdManager()
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{
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MOZ_COUNT_CTOR(SessionIdManager);
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}
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~SessionIdManager()
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{
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MOZ_COUNT_DTOR(SessionIdManager);
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}
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nsresult GetWindowId(const nsAString& aSessionId, uint64_t* aWindowId);
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nsresult GetSessionIds(uint64_t aWindowId, nsTArray<nsString>& aSessionIds);
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void AddSessionId(uint64_t aWindowId, const nsAString& aSessionId);
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void RemoveSessionId(const nsAString& aSessionId);
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nsresult UpdateWindowId(const nsAString& aSessionId, const uint64_t aWindowId);
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void Clear()
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{
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mRespondingSessionIds.Clear();
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mRespondingWindowIds.Clear();
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}
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private:
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nsClassHashtable<nsUint64HashKey, nsTArray<nsString>> mRespondingSessionIds;
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nsDataHashtable<nsStringHashKey, uint64_t> mRespondingWindowIds;
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};
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virtual ~PresentationServiceBase() = default;
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void Shutdown()
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{
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mRespondingListeners.Clear();
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mControllerSessionIdManager.Clear();
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mReceiverSessionIdManager.Clear();
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}
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nsresult GetWindowIdBySessionIdInternal(const nsAString& aSessionId,
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uint8_t aRole,
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uint64_t* aWindowId);
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void AddRespondingSessionId(uint64_t aWindowId,
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const nsAString& aSessionId,
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uint8_t aRole);
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void RemoveRespondingSessionId(const nsAString& aSessionId,
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uint8_t aRole);
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nsresult UpdateWindowIdBySessionIdInternal(const nsAString& aSessionId,
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uint8_t aRole,
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const uint64_t aWindowId);
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// Store the responding listener based on the window ID of the (in-process or
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// OOP) receiver page.
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nsRefPtrHashtable<nsUint64HashKey, nsIPresentationRespondingListener>
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mRespondingListeners;
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// Store the mapping between the window ID of the in-process and OOP page and the ID
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// of the responding session. It's used for both controller and receiver page
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// to retrieve the correspondent session ID. Besides, also keep the mapping
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// between the responding session ID and the window ID to help look up the
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// window ID.
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SessionIdManager mControllerSessionIdManager;
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SessionIdManager mReceiverSessionIdManager;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_PresentationServiceBase_h
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