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/*
* Copyright (C) 2024 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(MODEL_PROCESS)
#include "AuxiliaryProcessProxy.h"
#include "ProcessLauncher.h"
#include "ProcessTerminationReason.h"
#include "ProcessThrottler.h"
#include "WebPageProxyIdentifier.h"
#include <WebCore/PageIdentifier.h>
#include <memory>
#include <pal/SessionID.h>
#include <wtf/TZoneMalloc.h>
#if HAVE(VISIBILITY_PROPAGATION_VIEW)
#include "LayerHostingContext.h"
#endif
namespace WebKit {
class WebProcessProxy;
class WebsiteDataStore;
struct ModelProcessConnectionParameters;
struct ModelProcessCreationParameters;
class ModelProcessProxy final : public AuxiliaryProcessProxy {
WTF_MAKE_TZONE_ALLOCATED(ModelProcessProxy);
WTF_MAKE_NONCOPYABLE(ModelProcessProxy);
friend LazyNeverDestroyed<ModelProcessProxy>;
public:
static Ref<ModelProcessProxy> getOrCreate();
static ModelProcessProxy* singletonIfCreated();
~ModelProcessProxy();
void createModelProcessConnection(WebProcessProxy&, IPC::Connection::Handle&& connectionIdentifier, ModelProcessConnectionParameters&&);
void updateProcessAssertion();
void terminateForTesting();
void webProcessConnectionCountForTesting(CompletionHandler<void(uint64_t)>&&);
void removeSession(PAL::SessionID);
private:
explicit ModelProcessProxy();
void terminateWebProcess(WebCore::ProcessIdentifier);
Type type() const final { return Type::Model; }
void addSession(const WebsiteDataStore&);
// AuxiliaryProcessProxy
ASCIILiteral processName() const final { return "Model"_s; }
void getLaunchOptions(ProcessLauncher::LaunchOptions&) override;
void connectionWillOpen(IPC::Connection&) override;
void processWillShutDown(IPC::Connection&) override;
void modelProcessExited(ProcessTerminationReason);
// ProcessThrottlerClient
ASCIILiteral clientName() const final { return "ModelProcess"_s; }
void sendPrepareToSuspend(IsSuspensionImminent, double remainingRunTime, CompletionHandler<void()>&&) final;
void sendProcessDidResume(ResumeReason) final;
// ProcessLauncher::Client
void didFinishLaunching(ProcessLauncher*, IPC::Connection::Identifier) override;
// IPC::Connection::Client
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) override;
void didClose(IPC::Connection&) override;
void didReceiveInvalidMessage(IPC::Connection&, IPC::MessageName, int32_t indexOfObjectFailingDecoding) override;
// ResponsivenessTimer::Client
void didBecomeUnresponsive() final;
void processIsReadyToExit();
#if HAVE(VISIBILITY_PROPAGATION_VIEW)
void didCreateContextForVisibilityPropagation(WebPageProxyIdentifier, WebCore::PageIdentifier, LayerHostingContextID);
#endif
ModelProcessCreationParameters processCreationParameters();
ProcessThrottler::ActivityVariant m_activityFromWebProcesses;
HashSet<PAL::SessionID> m_sessionIDs;
};
} // namespace WebKit
#endif // ENABLE(MODEL_PROCESS)
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