115 lines
3.8 KiB
C++
115 lines
3.8 KiB
C++
/*
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* Copyright (C) 2016 Metrological Group B.V.
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* Copyright (C) 2016 Igalia S.L.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if ENABLE(ENCRYPTED_MEDIA)
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#include "CDMInstance.h"
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#include "ExceptionOr.h"
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#include "MediaKeySessionType.h"
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#include <wtf/Ref.h>
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#include <wtf/RefCounted.h>
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#include <wtf/WeakHashSet.h>
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#include <wtf/WeakPtr.h>
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namespace WTF {
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class Logger;
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}
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namespace WebCore {
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class CDM;
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class CDMClient;
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class CDMInstance;
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class BufferSource;
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class DeferredPromise;
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class Document;
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class MediaKeySession;
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class MediaKeys final
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: public RefCounted<MediaKeys>
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, public CDMInstanceClient {
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public:
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using KeySessionType = MediaKeySessionType;
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static Ref<MediaKeys> create(Document& document, bool useDistinctiveIdentifier, bool persistentStateAllowed, const Vector<MediaKeySessionType>& supportedSessionTypes, Ref<CDM>&& implementation, Ref<CDMInstance>&& instance)
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{
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return adoptRef(*new MediaKeys(document, useDistinctiveIdentifier, persistentStateAllowed, supportedSessionTypes, WTFMove(implementation), WTFMove(instance)));
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}
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~MediaKeys();
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ExceptionOr<Ref<MediaKeySession>> createSession(Document&, MediaKeySessionType);
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void setServerCertificate(const BufferSource&, Ref<DeferredPromise>&&);
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void attachCDMClient(CDMClient&);
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void detachCDMClient(CDMClient&);
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void attemptToResumePlaybackOnClients();
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bool hasOpenSessions() const;
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CDMInstance& cdmInstance() { return m_instance; }
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const CDMInstance& cdmInstance() const { return m_instance; }
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#if !RELEASE_LOG_DISABLED
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const void* nextChildIdentifier() const;
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#endif
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unsigned internalInstanceObjectRefCount() const { return m_instance->refCount(); }
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protected:
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MediaKeys(Document&, bool useDistinctiveIdentifier, bool persistentStateAllowed, const Vector<MediaKeySessionType>&, Ref<CDM>&&, Ref<CDMInstance>&&);
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// CDMInstanceClient
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void unrequestedInitializationDataReceived(const String&, Ref<SharedBuffer>&&) final;
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#if !RELEASE_LOG_DISABLED
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const WTF::Logger& logger() const { return m_logger; }
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const void* logIdentifier() const { return m_logIdentifier; }
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#endif
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bool m_useDistinctiveIdentifier;
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bool m_persistentStateAllowed;
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Vector<MediaKeySessionType> m_supportedSessionTypes;
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Ref<CDM> m_implementation;
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Ref<CDMInstance> m_instance;
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Vector<Ref<MediaKeySession>> m_sessions;
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WeakHashSet<CDMClient> m_cdmClients;
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#if !RELEASE_LOG_DISABLED
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Ref<WTF::Logger> m_logger;
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const void* m_logIdentifier;
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mutable uint64_t m_childIdentifierSeed { 0 };
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#endif
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};
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} // namespace WebCore
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#endif // ENABLE(ENCRYPTED_MEDIA)
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