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      1 /*
      2  * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann (at) kde.org>
      3  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis (at) kde.org>
      4  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
      5  *
      6  * This library is free software; you can redistribute it and/or
      7  * modify it under the terms of the GNU Library General Public
      8  * License as published by the Free Software Foundation; either
      9  * version 2 of the License, or (at your option) any later version.
     10  *
     11  * This library is distributed in the hope that it will be useful,
     12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14  * Library General Public License for more details.
     15  *
     16  * You should have received a copy of the GNU Library General Public License
     17  * along with this library; see the file COPYING.LIB.  If not, write to
     18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     19  * Boston, MA 02110-1301, USA.
     20  */
     21 
     22 #include "config.h"
     23 #include "core/svg/SVGColor.h"
     24 
     25 #include "bindings/v8/ExceptionState.h"
     26 #include "core/css/CSSParser.h"
     27 #include "core/css/RGBColor.h"
     28 
     29 namespace WebCore {
     30 
     31 SVGColor::SVGColor(const SVGColorType& colorType)
     32     : CSSValue(SVGColorClass)
     33     , m_colorType(colorType)
     34     , m_valid(false)
     35 {
     36 }
     37 
     38 SVGColor::SVGColor(ClassType classType, const SVGColorType& colorType)
     39     : CSSValue(classType)
     40     , m_colorType(colorType)
     41     , m_valid(false)
     42 {
     43 }
     44 
     45 PassRefPtr<RGBColor> SVGColor::rgbColor() const
     46 {
     47     return RGBColor::create(m_color.rgb());
     48 }
     49 
     50 bool SVGColor::colorFromRGBColorString(const String& colorString, Color& color)
     51 {
     52     // FIXME: Rework css parser so it is more SVG aware.
     53     RGBA32 rgba;
     54     if (CSSParser::parseColor(rgba, colorString.stripWhiteSpace())) {
     55         color = rgba;
     56         return true;
     57     }
     58     return false;
     59 }
     60 
     61 void SVGColor::setRGBColor(const String&, ExceptionState& es)
     62 {
     63     // The whole SVGColor interface is deprecated in SVG 1.1 (2nd edition).
     64     // The setters are the most problematic part so we remove the support for those first.
     65     es.throwDOMException(NoModificationAllowedError);
     66 }
     67 
     68 void SVGColor::setRGBColorICCColor(const String&, const String&, ExceptionState& es)
     69 {
     70     es.throwDOMException(NoModificationAllowedError);
     71 }
     72 
     73 void SVGColor::setColor(unsigned short, const String&, const String&, ExceptionState& es)
     74 {
     75     es.throwDOMException(NoModificationAllowedError);
     76 }
     77 
     78 String SVGColor::customCssText() const
     79 {
     80     switch (m_colorType) {
     81     case SVG_COLORTYPE_UNKNOWN:
     82         return String();
     83     case SVG_COLORTYPE_RGBCOLOR_ICCCOLOR:
     84     case SVG_COLORTYPE_RGBCOLOR:
     85         // FIXME: No ICC color support.
     86         return m_color.serialized();
     87     case SVG_COLORTYPE_CURRENTCOLOR:
     88         if (m_valid)
     89             return m_color.serialized();
     90         return "currentColor";
     91     }
     92 
     93     ASSERT_NOT_REACHED();
     94     return String();
     95 }
     96 
     97 SVGColor::SVGColor(ClassType classType, const SVGColor& cloneFrom)
     98     : CSSValue(classType, /*isCSSOMSafe*/ true)
     99     , m_color(cloneFrom.m_color)
    100     , m_colorType(cloneFrom.m_colorType)
    101 {
    102 }
    103 
    104 PassRefPtr<SVGColor> SVGColor::cloneForCSSOM() const
    105 {
    106     return adoptRef(new SVGColor(SVGColorClass, *this));
    107 }
    108 
    109 bool SVGColor::equals(const SVGColor& other) const
    110 {
    111     return m_colorType == other.m_colorType && m_color == other.m_color;
    112 }
    113 
    114 }
    115