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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 "RemoteCDMInstanceIdentifier.h"
#include "RemoteCDMInstanceSessionIdentifier.h"
#include "RemoteCDMProxy.h"
#include <WebCore/CDMInstance.h>
#include <wtf/Ref.h>
#include <wtf/RefCounted.h>
#include <wtf/UniqueRef.h>
namespace WebCore {
class CDMInstance;
struct CDMKeySystemConfiguration;
}
namespace IPC {
class SharedBufferReference;
}
namespace WebKit {
struct RemoteCDMInstanceConfiguration;
class RemoteCDMInstanceSessionProxy;
class RemoteCDMInstanceProxy : public WebCore::CDMInstanceClient, private IPC::MessageReceiver, public RefCounted<RemoteCDMInstanceProxy> {
public:
USING_CAN_MAKE_WEAKPTR(WebCore::CDMInstanceClient);
static Ref<RemoteCDMInstanceProxy> create(RemoteCDMProxy&, Ref<WebCore::CDMInstance>&&, RemoteCDMInstanceIdentifier);
~RemoteCDMInstanceProxy();
void ref() const final { RefCounted::ref(); }
void deref() const final { RefCounted::deref(); }
const RemoteCDMInstanceConfiguration& configuration() const { return m_configuration.get(); }
WebCore::CDMInstance& instance() { return m_instance; }
Ref<WebCore::CDMInstance> protectedInstance() const;
std::optional<SharedPreferencesForWebProcess> sharedPreferencesForWebProcess() const;
private:
friend class RemoteCDMFactoryProxy;
RemoteCDMInstanceProxy(RemoteCDMProxy&, Ref<WebCore::CDMInstance>&&, UniqueRef<RemoteCDMInstanceConfiguration>&&, RemoteCDMInstanceIdentifier);
// CDMInstanceClient
void unrequestedInitializationDataReceived(const String&, Ref<WebCore::SharedBuffer>&&) final;
#if !RELEASE_LOG_DISABLED
const Logger& logger() const final { return m_logger; }
uint64_t logIdentifier() const final { return m_logIdentifier; }
#endif
// IPC::MessageReceiver
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final;
bool didReceiveSyncMessage(IPC::Connection&, IPC::Decoder&, UniqueRef<IPC::Encoder>&) final;
using SuccessValue = WebCore::CDMInstance::SuccessValue;
using AllowDistinctiveIdentifiers = WebCore::CDMInstance::AllowDistinctiveIdentifiers;
using AllowPersistentState = WebCore::CDMInstance::AllowPersistentState;
// Messages
void initializeWithConfiguration(const WebCore::CDMKeySystemConfiguration&, AllowDistinctiveIdentifiers, AllowPersistentState, CompletionHandler<void(SuccessValue)>&&);
void setServerCertificate(Ref<WebCore::SharedBuffer>&&, CompletionHandler<void(SuccessValue)>&&);
void setStorageDirectory(const String&);
void createSession(uint64_t logIdentifier, CompletionHandler<void(std::optional<RemoteCDMInstanceSessionIdentifier>)>&&);
RefPtr<RemoteCDMProxy> protectedCdm() const;
WeakPtr<RemoteCDMProxy> m_cdm;
Ref<WebCore::CDMInstance> m_instance;
UniqueRef<RemoteCDMInstanceConfiguration> m_configuration;
RemoteCDMInstanceIdentifier m_identifier;
HashMap<RemoteCDMInstanceSessionIdentifier, Ref<RemoteCDMInstanceSessionProxy>> m_sessions;
#if !RELEASE_LOG_DISABLED
Ref<const Logger> m_logger;
const uint64_t m_logIdentifier;
#endif
};
}
#endif
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