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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.
*/
#include "config.h"
#include "RemoteCDMFactory.h"
#if ENABLE(GPU_PROCESS) && ENABLE(ENCRYPTED_MEDIA)
#include "GPUProcessConnection.h"
#include "RemoteCDM.h"
#include "RemoteCDMFactoryProxyMessages.h"
#include "RemoteCDMInstanceSession.h"
#include "WebProcess.h"
#include <WebCore/Settings.h>
#include <wtf/TZoneMallocInlines.h>
namespace WebKit {
using namespace WebCore;
WTF_MAKE_TZONE_ALLOCATED_IMPL(RemoteCDMFactory);
RemoteCDMFactory::RemoteCDMFactory(WebProcess& webProcess)
: m_webProcess(webProcess)
{
}
RemoteCDMFactory::~RemoteCDMFactory() = default;
void RemoteCDMFactory::ref() const
{
return m_webProcess->ref();
}
void RemoteCDMFactory::deref() const
{
return m_webProcess->deref();
}
void RemoteCDMFactory::registerFactory(Vector<CDMFactory*>& factories)
{
factories.append(this);
}
ASCIILiteral RemoteCDMFactory::supplementName()
{
return "RemoteCDMFactory"_s;
}
GPUProcessConnection& RemoteCDMFactory::gpuProcessConnection()
{
return WebProcess::singleton().ensureGPUProcessConnection();
}
bool RemoteCDMFactory::supportsKeySystem(const String& keySystem)
{
auto sendResult = gpuProcessConnection().connection().sendSync(Messages::RemoteCDMFactoryProxy::SupportsKeySystem(keySystem), { });
auto [supported] = sendResult.takeReplyOr(false);
return supported;
}
std::unique_ptr<CDMPrivate> RemoteCDMFactory::createCDM(const String& keySystem, const String& mediaKeysHashSalt, const CDMPrivateClient&)
{
auto sendResult = gpuProcessConnection().connection().sendSync(Messages::RemoteCDMFactoryProxy::CreateCDM(keySystem, mediaKeysHashSalt), { });
auto [identifier, configuration] = sendResult.takeReplyOr(std::nullopt, RemoteCDMConfiguration { });
if (!identifier)
return nullptr;
return RemoteCDM::create(*this, WTFMove(*identifier), WTFMove(configuration), mediaKeysHashSalt);
}
void RemoteCDMFactory::addSession(RemoteCDMInstanceSession& session)
{
ASSERT(!m_sessions.contains(session.identifier()));
m_sessions.set(session.identifier(), session);
}
void RemoteCDMFactory::removeSession(RemoteCDMInstanceSessionIdentifier identifier)
{
ASSERT(m_sessions.contains(identifier));
m_sessions.remove(identifier);
gpuProcessConnection().connection().send(Messages::RemoteCDMFactoryProxy::RemoveSession(identifier), { });
}
void RemoteCDMFactory::removeInstance(RemoteCDMInstanceIdentifier identifier)
{
gpuProcessConnection().connection().send(Messages::RemoteCDMFactoryProxy::RemoveInstance(identifier), { });
}
void RemoteCDMFactory::didReceiveSessionMessage(IPC::Connection& connection, IPC::Decoder& decoder)
{
if (ObjectIdentifier<RemoteCDMInstanceSessionIdentifierType>::isValidIdentifier(decoder.destinationID())) {
if (auto session = m_sessions.get(ObjectIdentifier<RemoteCDMInstanceSessionIdentifierType>(decoder.destinationID())))
session->didReceiveMessage(connection, decoder);
}
}
}
#endif
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