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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 "GPUConnectionToWebProcess.h"
#include "MessageReceiver.h"
#include "RemoteCDMIdentifier.h"
#include "RemoteCDMInstanceIdentifier.h"
#include "RemoteCDMInstanceSessionIdentifier.h"
#include <WebCore/CDMPrivate.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/ThreadSafeWeakPtr.h>
#include <wtf/UniqueRef.h>
#include <wtf/WeakPtr.h>
namespace WebKit {
class RemoteCDMInstanceProxy;
class RemoteCDMInstanceSessionProxy;
class RemoteCDMProxy;
struct RemoteCDMConfiguration;
class RemoteCDMFactoryProxy final : public RefCounted<RemoteCDMFactoryProxy>, public IPC::MessageReceiver, WebCore::CDMPrivateClient {
WTF_MAKE_TZONE_ALLOCATED(RemoteCDMFactoryProxy);
public:
static Ref<RemoteCDMFactoryProxy> create(GPUConnectionToWebProcess& gpuConnection)
{
return adoptRef(*new RemoteCDMFactoryProxy(gpuConnection));
}
virtual ~RemoteCDMFactoryProxy();
void ref() const final { RefCounted::ref(); }
void deref() const final { RefCounted::deref(); }
void clear();
void didReceiveMessageFromWebProcess(IPC::Connection& connection, IPC::Decoder& decoder) { didReceiveMessage(connection, decoder); }
bool didReceiveSyncMessageFromWebProcess(IPC::Connection& connection, IPC::Decoder& decoder, UniqueRef<IPC::Encoder>& encoder) { return didReceiveSyncMessage(connection, decoder, encoder); }
void didReceiveCDMMessage(IPC::Connection&, IPC::Decoder&);
void didReceiveCDMInstanceMessage(IPC::Connection&, IPC::Decoder&);
void didReceiveCDMInstanceSessionMessage(IPC::Connection&, IPC::Decoder&);
bool didReceiveSyncCDMMessage(IPC::Connection&, IPC::Decoder&, UniqueRef<IPC::Encoder>&);
bool didReceiveSyncCDMInstanceMessage(IPC::Connection&, IPC::Decoder&, UniqueRef<IPC::Encoder>&);
bool didReceiveSyncCDMInstanceSessionMessage(IPC::Connection&, IPC::Decoder&, UniqueRef<IPC::Encoder>&);
void addProxy(const RemoteCDMIdentifier&, RefPtr<RemoteCDMProxy>&&);
void removeProxy(const RemoteCDMIdentifier&);
void addInstance(const RemoteCDMInstanceIdentifier&, Ref<RemoteCDMInstanceProxy>&&);
void removeInstance(const RemoteCDMInstanceIdentifier&);
RemoteCDMInstanceProxy* getInstance(const RemoteCDMInstanceIdentifier&);
void addSession(const RemoteCDMInstanceSessionIdentifier&, Ref<RemoteCDMInstanceSessionProxy>&&);
void removeSession(const RemoteCDMInstanceSessionIdentifier&);
RefPtr<GPUConnectionToWebProcess> gpuConnectionToWebProcess() { return m_gpuConnectionToWebProcess.get(); }
bool allowsExitUnderMemoryPressure() const;
const String& mediaKeysStorageDirectory() const;
std::optional<SharedPreferencesForWebProcess> sharedPreferencesForWebProcess() const;
#if !RELEASE_LOG_DISABLED
const Logger& logger() const;
#endif
private:
RemoteCDMFactoryProxy(GPUConnectionToWebProcess&);
friend class GPUProcessConnection;
// IPC::MessageReceiver
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final;
bool didReceiveSyncMessage(IPC::Connection&, IPC::Decoder&, UniqueRef<IPC::Encoder>&) final;
// Messages
void createCDM(const String& keySystem, const String& mediaKeysHashSalt, CompletionHandler<void(std::optional<RemoteCDMIdentifier>&&, RemoteCDMConfiguration&&)>&&);
void supportsKeySystem(const String& keySystem, CompletionHandler<void(bool)>&&);
ThreadSafeWeakPtr<GPUConnectionToWebProcess> m_gpuConnectionToWebProcess;
HashMap<RemoteCDMIdentifier, RefPtr<RemoteCDMProxy>> m_proxies;
HashMap<RemoteCDMInstanceIdentifier, Ref<RemoteCDMInstanceProxy>> m_instances;
HashMap<RemoteCDMInstanceSessionIdentifier, Ref<RemoteCDMInstanceSessionProxy>> m_sessions;
#if !RELEASE_LOG_DISABLED
mutable RefPtr<Logger> m_logger;
#endif
};
}
#endif
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