зеркало из https://github.com/mozilla/gecko-dev.git
91 строка
3.1 KiB
C++
91 строка
3.1 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 "nsTObserverArray.h"
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#include "PresentationServiceBase.h"
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#include "PresentationSessionInfo.h"
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class nsIPresentationSessionRequest;
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class nsIPresentationTerminateRequest;
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class nsIURI;
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class nsIPresentationSessionTransportBuilder;
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namespace mozilla {
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namespace dom {
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class PresentationDeviceRequest;
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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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, public PresentationServiceBase
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{
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public:
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NS_DECL_ISUPPORTS_INHERITED
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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, const uint8_t aRole)
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{
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MOZ_ASSERT(aRole == nsIPresentationService::ROLE_CONTROLLER ||
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aRole == nsIPresentationService::ROLE_RECEIVER);
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RefPtr<PresentationSessionInfo> info;
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if (aRole == nsIPresentationService::ROLE_CONTROLLER) {
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return mSessionInfoAtController.Get(aSessionId, getter_AddRefs(info)) ?
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info.forget() : nullptr;
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} else {
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return mSessionInfoAtReceiver.Get(aSessionId, getter_AddRefs(info)) ?
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info.forget() : nullptr;
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}
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}
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bool IsSessionAccessible(const nsAString& aSessionId,
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const uint8_t aRole,
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base::ProcessId aProcessId);
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nsresult RegisterTransportBuilder(const nsAString& aSessionId,
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uint8_t aRole,
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nsIPresentationSessionTransportBuilder* aBuilder);
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private:
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friend class PresentationDeviceRequest;
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virtual ~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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nsresult HandleTerminateRequest(nsIPresentationTerminateRequest* aRequest);
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nsresult HandleReconnectRequest(nsIPresentationSessionRequest* aRequest);
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void NotifyAvailableChange(bool aIsAvailable);
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bool IsAppInstalled(nsIURI* aUri);
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// This is meant to be called by PresentationDeviceRequest.
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already_AddRefed<PresentationSessionInfo>
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CreateControllingSessionInfo(const nsAString& aUrl,
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const nsAString& aSessionId,
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uint64_t aWindowId);
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bool mIsAvailable;
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nsTObserverArray<nsCOMPtr<nsIPresentationAvailabilityListener>> mAvailabilityListeners;
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nsRefPtrHashtable<nsStringHashKey, PresentationSessionInfo> mSessionInfoAtController;
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nsRefPtrHashtable<nsStringHashKey, PresentationSessionInfo> mSessionInfoAtReceiver;
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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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