cssvariablesrule.cpp

来自「linux下开源浏览器WebKit的源码,市面上的很多商用浏览器都是移植自Web」· C++ 代码 · 共 62 行

/*
 * Copyright (C) 2008 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. ``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
 * 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 "CSSVariablesRule.h"

#include "MediaList.h"
#include "PlatformString.h"
#include <wtf/HashMap.h>

namespace WebCore {

CSSVariablesRule::CSSVariablesRule(CSSStyleSheet* parent, MediaList* mediaList, bool variablesKeyword)
    : CSSRule(parent)
    , m_lstMedia(mediaList)
    , m_variablesKeyword(variablesKeyword)
{
}

CSSVariablesRule::~CSSVariablesRule()
{
}

String CSSVariablesRule::cssText() const
{
    String result = m_variablesKeyword ? "@-webkit-variables " : "@-webkit-define ";
    if (m_lstMedia) {
        if (!m_variablesKeyword)
            result += "for ";
        result += m_lstMedia->mediaText();
        result += " ";
    }
    if (m_variables)
        result += m_variables->cssText();
    result += ";";
    return result;
}

}