Source/WebKit/WebProcess/cocoa/LaunchServicesDatabaseManager.h

/*
 * 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
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 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 */

#pragma once

#import "XPCEndpointClient.h"
#import <wtf/NeverDestroyed.h>
#import <wtf/threads/BinarySemaphore.h>

namespace WebKit {

class LaunchServicesDatabaseManager : public WebKit::XPCEndpointClient {
public:
    static LaunchServicesDatabaseManager& singleton();

    void waitForDatabaseUpdate();

private:
    void handleEvent(xpc_object_t) override;
    void didConnect() override;

    bool waitForDatabaseUpdate(Seconds);

    std::atomic<bool> m_hasReceivedLaunchServicesDatabase { false };
    BinarySemaphore m_semaphore;
};

}