Source/WebKit/NetworkProcess/cocoa/LaunchServicesDatabaseObserver.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
 * 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

#include "NetworkProcess.h"
#include "NetworkProcessSupplement.h"
#include "XPCEndpoint.h"
#include <wtf/Lock.h>
#include <wtf/OSObjectPtr.h>
#include <wtf/RetainPtr.h>

namespace WebKit {

class LaunchServicesDatabaseObserver : public WebKit::XPCEndpoint, public NetworkProcessSupplement {
    WTF_MAKE_FAST_ALLOCATED;
public:
    LaunchServicesDatabaseObserver(NetworkProcess&);
    virtual ~LaunchServicesDatabaseObserver();

    static const char* supplementName();

private:
    void startObserving(OSObjectPtr<xpc_connection_t>);

    // XPCEndpoint
    const char* xpcEndpointMessageNameKey() const override;
    const char* xpcEndpointMessageName() const override;
    const char* xpcEndpointNameKey() const override;
    void handleEvent(xpc_connection_t, xpc_object_t) override;

    // NetworkProcessSupplement
    void initializeConnection(IPC::Connection*) final;

    RetainPtr<id> m_observer;
    Lock m_connectionsLock;
    Vector<OSObjectPtr<xpc_connection_t>> m_connections WTF_GUARDED_BY_LOCK(m_connectionsLock);
};

}