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LegacyCDM.h
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LegacyCDM.h
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/*
* Copyright (C) 2013 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(LEGACY_ENCRYPTED_MEDIA)
#include "LegacyCDMSession.h"
#include <wtf/Forward.h>
#include <wtf/Function.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class LegacyCDM;
class CDMPrivateInterface;
class MediaPlayer;
using CreateCDM = WTF::Function<std::unique_ptr<CDMPrivateInterface>(LegacyCDM*)>;
using CDMSupportsKeySystem = WTF::Function<bool(const String&)>;
using CDMSupportsKeySystemAndMimeType = WTF::Function<bool(const String&, const String&)>;
class LegacyCDMClient {
public:
virtual ~LegacyCDMClient() = default;
virtual RefPtr<MediaPlayer> cdmMediaPlayer(const LegacyCDM*) const = 0;
};
class WEBCORE_EXPORT LegacyCDM final {
WTF_MAKE_FAST_ALLOCATED;
public:
explicit LegacyCDM(const String& keySystem);
enum CDMErrorCode { NoError, UnknownError, ClientError, ServiceError, OutputError, HardwareChangeError, DomainError };
static bool supportsKeySystem(const String&);
static bool keySystemSupportsMimeType(const String& keySystem, const String& mimeType);
static std::unique_ptr<LegacyCDM> create(const String& keySystem);
static void registerCDMFactory(CreateCDM&&, CDMSupportsKeySystem&&, CDMSupportsKeySystemAndMimeType&&);
~LegacyCDM();
static void resetFactories();
static void clearFactories();
bool supportsMIMEType(const String&) const;
std::unique_ptr<LegacyCDMSession> createSession(LegacyCDMSessionClient&);
const String& keySystem() const { return m_keySystem; }
LegacyCDMClient* client() const { return m_client; }
void setClient(LegacyCDMClient* client) { m_client = client; }
RefPtr<MediaPlayer> mediaPlayer() const;
CDMPrivateInterface* cdmPrivate() const { return m_private.get(); }
private:
String m_keySystem;
std::unique_ptr<CDMPrivateInterface> m_private;
LegacyCDMClient* m_client;
};
}
#endif // ENABLE(LEGACY_ENCRYPTED_MEDIA)