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/*
* Copyright (C) 2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(ENCRYPTED_MEDIA)
#include "MediaKeyMessageType.h"
#include "MediaKeySessionType.h"
#include "MediaKeyStatus.h"
#include <utility>
#include <wtf/Forward.h>
#include <wtf/Optional.h>
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>
namespace WebCore {
struct MediaKeySystemConfiguration;
class SharedBuffer;
class CDMInstance : public RefCounted<CDMInstance> {
public:
virtual ~CDMInstance() { }
enum SuccessValue {
Failed,
Succeeded,
};
using LicenseType = MediaKeySessionType;
using KeyStatus = MediaKeyStatus;
using MessageType = MediaKeyMessageType;
virtual SuccessValue initializeWithConfiguration(const MediaKeySystemConfiguration&) = 0;
virtual SuccessValue setDistinctiveIdentifiersAllowed(bool) = 0;
virtual SuccessValue setPersistentStateAllowed(bool) = 0;
virtual SuccessValue setServerCertificate(Ref<SharedBuffer>&&) = 0;
using LicenseCallback = Function<void(Ref<SharedBuffer>&& message, const String& sessionId, bool needsIndividualization, SuccessValue succeeded)>;
virtual void requestLicense(LicenseType, const AtomicString& initDataType, Ref<SharedBuffer>&& initData, LicenseCallback) = 0;
using KeyStatusVector = Vector<std::pair<Ref<SharedBuffer>, KeyStatus>>;
using Message = std::pair<MessageType, Ref<SharedBuffer>>;
using LicenseUpdateCallback = Function<void(bool sessionWasClosed, std::optional<KeyStatusVector>&& changedKeys, std::optional<double>&& changedExpiration, std::optional<Message>&& message, SuccessValue succeeded)>;
virtual void updateLicense(const String& sessionId, LicenseType, const SharedBuffer& response, LicenseUpdateCallback) = 0;
enum class SessionLoadFailure {
None,
NoSessionData,
MismatchedSessionType,
QuotaExceeded,
Other,
};
using LoadSessionCallback = Function<void(std::optional<KeyStatusVector>&&, std::optional<double>&&, std::optional<Message>&&, SuccessValue, SessionLoadFailure)>;
virtual void loadSession(LicenseType, const String& sessionId, const String& origin, LoadSessionCallback) = 0;
using CloseSessionCallback = Function<void()>;
virtual void closeSession(const String& sessionId, CloseSessionCallback) = 0;
using RemoveSessionDataCallback = Function<void(KeyStatusVector&&, std::optional<Ref<SharedBuffer>>&&, SuccessValue)>;
virtual void removeSessionData(const String& sessionId, LicenseType, RemoveSessionDataCallback) = 0;
virtual void storeRecordOfKeyUsage(const String& sessionId) = 0;
};
}
#endif
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