Source/WebKit/Shared/win/WebPreferencesDefaultValuesWin.cpp

/*
 * Copyright (C) 2020 Sony Interactive Entertainment Inc.
 *
 * 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 "WebPreferencesDefaultValues.h"

#include <wtf/WindowsExtras.h>
#include <wtf/text/WTFString.h>

namespace WebKit {

bool isFeatureFlagEnabled(const char* featureName, bool defaultValue)
{
    auto featureNameWide = String(featureName).wideCharacters();
    DWORD data;
    DWORD dataSize = sizeof data;
    DWORD keyType;
    HRESULT hr = getRegistryValue(HKEY_CURRENT_USER, L"Software\\WebKit", featureNameWide.data(), &keyType, &data, &dataSize);
    if (hr != ERROR_SUCCESS)
        return false;
    if (keyType != REG_DWORD)
        return false;
    if (dataSize != sizeof data)
        return false;
    return data;
}

} // namespace WebKit