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/*
* Copyright (C) 2020 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(GPU_PROCESS) && ENABLE(ENCRYPTED_MEDIA)
#include "Connection.h"
#include "MessageReceiver.h"
#include "RemoteCDMInstanceSessionIdentifier.h"
#include "RemoteCDMProxy.h"
#include <WebCore/CDMInstanceSession.h>
#include <wtf/CompletionHandler.h>
#include <wtf/RefCounted.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
class SharedBuffer;
}
namespace WebKit {
class RemoteCDMInstanceSessionProxy final : private IPC::MessageReceiver, private WebCore::CDMInstanceSessionClient, public RefCounted<RemoteCDMInstanceSessionProxy> {
public:
static Ref<RemoteCDMInstanceSessionProxy> create(WeakPtr<RemoteCDMProxy>&&, Ref<WebCore::CDMInstanceSession>&&, uint64_t logIdentifier, RemoteCDMInstanceSessionIdentifier);
virtual ~RemoteCDMInstanceSessionProxy();
std::optional<SharedPreferencesForWebProcess> sharedPreferencesForWebProcess() const;
void ref() const final { RefCounted::ref(); }
void deref() const final { RefCounted::deref(); }
private:
friend class RemoteCDMFactoryProxy;
RemoteCDMInstanceSessionProxy(WeakPtr<RemoteCDMProxy>&&, Ref<WebCore::CDMInstanceSession>&&, uint64_t logIdentifier, RemoteCDMInstanceSessionIdentifier);
// IPC::MessageReceiver
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final;
// Types
using KeyGroupingStrategy = WebCore::CDMInstanceSession::KeyGroupingStrategy;
using LicenseType = WebCore::CDMInstanceSession::LicenseType;
using KeyStatusVector = WebCore::CDMInstanceSession::KeyStatusVector;
using Message = WebCore::CDMInstanceSession::Message;
using SessionLoadFailure = WebCore::CDMInstanceSession::SessionLoadFailure;
using LicenseCallback = CompletionHandler<void(RefPtr<WebCore::SharedBuffer>&&, const String& sessionId, bool, bool)>;
using LicenseUpdateCallback = CompletionHandler<void(bool, std::optional<KeyStatusVector>&&, std::optional<double>&&, std::optional<Message>&&, bool)>;
using LoadSessionCallback = CompletionHandler<void(std::optional<KeyStatusVector>&&, std::optional<double>&&, std::optional<Message>&&, bool, SessionLoadFailure)>;
using CloseSessionCallback = CompletionHandler<void()>;
using RemoveSessionDataCallback = CompletionHandler<void(KeyStatusVector&&, RefPtr<WebCore::SharedBuffer>&&, bool)>;
using StoreRecordCallback = CompletionHandler<void()>;
// Messages
void setLogIdentifier(uint64_t);
void requestLicense(LicenseType, KeyGroupingStrategy, AtomString initDataType, RefPtr<WebCore::SharedBuffer>&& initData, LicenseCallback&&);
void updateLicense(String sessionId, LicenseType, RefPtr<WebCore::SharedBuffer>&& response, LicenseUpdateCallback&&);
void loadSession(LicenseType, String sessionId, String origin, LoadSessionCallback&&);
void closeSession(const String& sessionId, CloseSessionCallback&&);
void removeSessionData(const String& sessionId, LicenseType, RemoveSessionDataCallback&&);
void storeRecordOfKeyUsage(const String& sessionId);
// CDMInstanceSessionClient
void updateKeyStatuses(KeyStatusVector&&) final;
void sendMessage(WebCore::CDMMessageType, Ref<WebCore::SharedBuffer>&& message) final;
void sessionIdChanged(const String&) final;
PlatformDisplayID displayID() final { return m_displayID; }
RefPtr<RemoteCDMProxy> protectedCdm() const;
Ref<WebCore::CDMInstanceSession> protectedSession() const { return m_session; }
WeakPtr<RemoteCDMProxy> m_cdm;
Ref<WebCore::CDMInstanceSession> m_session;
RemoteCDMInstanceSessionIdentifier m_identifier;
PlatformDisplayID m_displayID { 0 };
};
}
#endif
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