Source/WebKit/UIProcess/gtk/Clipboard.cpp

/*
 * Copyright (C) 2020 Igalia S.L.
 *
 * 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 COMPUTER, INC. ``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 COMPUTER, INC. OR
 * 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
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "config.h"
#include "Clipboard.h"
#include <mutex>
#include <wtf/NeverDestroyed.h>
#include <wtf/text/WTFString.h>

namespace WebKit {

static Clipboard& clipboard()
{
    static std::once_flag onceFlag;
    static LazyNeverDestroyed<Clipboard> object;

    std::call_once(onceFlag, [] {
        object.construct(Clipboard::Type::Clipboard);
    });

    return object;
}

static Clipboard& primary()
{
    static std::once_flag onceFlag;
    static LazyNeverDestroyed<Clipboard> object;

    std::call_once(onceFlag, [] {
        object.construct(Clipboard::Type::Primary);
    });

    return object;
}

Clipboard& Clipboard::get(const String& name)
{
    if (name == "CLIPBOARD")
        return clipboard();

    if (name == "PRIMARY")
        return primary();

    RELEASE_ASSERT_NOT_REACHED();
}

} // namespace WebKit