weex_core/Source/include/wtf/WindowsExtras.h

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
#ifndef WindowsExtras_h
#define WindowsExtras_h

#if OS(WINDOWS)

#include <windows.h>
#include <objbase.h>
#include <shlwapi.h>

#ifndef HWND_MESSAGE
const HWND HWND_MESSAGE = 0;
#endif

namespace WTF {

inline HRESULT getRegistryValue(HKEY hkey, LPCWSTR pszSubKey, LPCWSTR pszValue, LPDWORD pdwType, LPVOID pvData, LPDWORD pcbData)
{
    return ::SHGetValueW(hkey, pszSubKey, pszValue, pdwType, pvData, pcbData);
}

inline void* getWindowPointer(HWND hWnd, int index)
{
    return reinterpret_cast<void*>(::GetWindowLongPtr(hWnd, index));
}

inline void* setWindowPointer(HWND hWnd, int index, void* value)
{
    return reinterpret_cast<void*>(::SetWindowLongPtr(hWnd, index, reinterpret_cast<LONG_PTR>(value)));
}

} // namespace WTF

using WTF::getRegistryValue;
using WTF::getWindowPointer;
using WTF::setWindowPointer;

#endif // OS(WINDOWS)

#endif // WindowsExtras_h