79 lines
2.6 KiB
C++
79 lines
2.6 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_PresentationService_h
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#define mozilla_dom_PresentationService_h
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#include "nsCOMPtr.h"
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#include "nsIObserver.h"
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#include "nsRefPtrHashtable.h"
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#include "nsTObserverArray.h"
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#include "PresentationSessionInfo.h"
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class nsIPresentationSessionRequest;
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class nsIURI;
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namespace mozilla {
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namespace dom {
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class PresentationRespondingInfo;
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class PresentationService final : public nsIPresentationService
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, public nsIObserver
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIOBSERVER
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NS_DECL_NSIPRESENTATIONSERVICE
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PresentationService();
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bool Init();
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already_AddRefed<PresentationSessionInfo>
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GetSessionInfo(const nsAString& aSessionId)
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{
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RefPtr<PresentationSessionInfo> info;
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return mSessionInfo.Get(aSessionId, getter_AddRefs(info)) ?
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info.forget() : nullptr;
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}
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bool IsSessionAccessible(const nsAString& aSessionId,
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base::ProcessId aProcessId);
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private:
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~PresentationService();
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void HandleShutdown();
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nsresult HandleDeviceChange();
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nsresult HandleSessionRequest(nsIPresentationSessionRequest* aRequest);
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void NotifyAvailableChange(bool aIsAvailable);
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bool IsAppInstalled(nsIURI* aUri);
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bool mIsAvailable;
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nsTObserverArray<nsCOMPtr<nsIPresentationAvailabilityListener>> mAvailabilityListeners;
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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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// TODO Bug 1195605 - Support many-to-one session.
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// So far responding listeners are registered but |notifySessionConnect| hasn't
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// been called in any place until many-to-one session becomes supported.
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nsRefPtrHashtable<nsUint64HashKey, nsIPresentationRespondingListener> mRespondingListeners;
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nsRefPtrHashtable<nsStringHashKey, PresentationSessionInfo> mSessionInfo;
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// Store the mapping between the window ID of the in-process page and the ID
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// of the responding session. It's used for an in-process receiver page to
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// 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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nsClassHashtable<nsUint64HashKey, nsString> mRespondingSessionIds;
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nsDataHashtable<nsStringHashKey, uint64_t> mRespondingWindowIds;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_PresentationService_h
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