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      1 /*
      2  * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org)
      3  *           (C) 1999 Antti Koivisto (koivisto (at) kde.org)
      4  *           (C) 2001 Dirk Mueller (mueller (at) kde.org)
      5  *           (C) 2006 Alexey Proskuryakov (ap (at) webkit.org)
      6  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
      7  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
      8  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
      9  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
     10  * Copyright (C) 2013 Google Inc. All rights reserved.
     11  *
     12  * This library is free software; you can redistribute it and/or
     13  * modify it under the terms of the GNU Library General Public
     14  * License as published by the Free Software Foundation; either
     15  * version 2 of the License, or (at your option) any later version.
     16  *
     17  * This library is distributed in the hope that it will be useful,
     18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     20  * Library General Public License for more details.
     21  *
     22  * You should have received a copy of the GNU Library General Public License
     23  * along with this library; see the file COPYING.LIB.  If not, write to
     24  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     25  * Boston, MA 02110-1301, USA.
     26  */
     27 
     28 #include "config.h"
     29 #include "core/dom/TextLinkColors.h"
     30 
     31 #include "core/css/CSSPrimitiveValue.h"
     32 #include "core/rendering/RenderTheme.h"
     33 #include "wtf/text/WTFString.h"
     34 
     35 namespace WebCore {
     36 
     37 TextLinkColors::TextLinkColors()
     38     : m_textColor(Color::black)
     39 {
     40     resetLinkColor();
     41     resetVisitedLinkColor();
     42     resetActiveLinkColor();
     43 }
     44 
     45 void TextLinkColors::resetLinkColor()
     46 {
     47     m_linkColor = Color(0, 0, 238);
     48 }
     49 
     50 void TextLinkColors::resetVisitedLinkColor()
     51 {
     52     m_visitedLinkColor = Color(85, 26, 139);
     53 }
     54 
     55 void TextLinkColors::resetActiveLinkColor()
     56 {
     57     m_activeLinkColor.setNamedColor("red");
     58 }
     59 
     60 static Color colorForCSSValue(CSSValueID cssValueId)
     61 {
     62     struct ColorValue {
     63         CSSValueID cssValueId;
     64         RGBA32 color;
     65     };
     66 
     67     static const ColorValue colorValues[] = {
     68         { CSSValueAqua, 0xFF00FFFF },
     69         { CSSValueBlack, 0xFF000000 },
     70         { CSSValueBlue, 0xFF0000FF },
     71         { CSSValueFuchsia, 0xFFFF00FF },
     72         { CSSValueGray, 0xFF808080 },
     73         { CSSValueGreen, 0xFF008000  },
     74         { CSSValueGrey, 0xFF808080 },
     75         { CSSValueLime, 0xFF00FF00 },
     76         { CSSValueMaroon, 0xFF800000 },
     77         { CSSValueNavy, 0xFF000080 },
     78         { CSSValueOlive, 0xFF808000  },
     79         { CSSValueOrange, 0xFFFFA500 },
     80         { CSSValuePurple, 0xFF800080 },
     81         { CSSValueRed, 0xFFFF0000 },
     82         { CSSValueSilver, 0xFFC0C0C0 },
     83         { CSSValueTeal, 0xFF008080  },
     84         { CSSValueTransparent, 0x00000000 },
     85         { CSSValueWhite, 0xFFFFFFFF },
     86         { CSSValueYellow, 0xFFFFFF00 },
     87         { CSSValueInvalid, CSSValueInvalid }
     88     };
     89 
     90     for (const ColorValue* col = colorValues; col->cssValueId; ++col) {
     91         if (col->cssValueId == cssValueId)
     92             return col->color;
     93     }
     94     return RenderTheme::theme().systemColor(cssValueId);
     95 }
     96 
     97 Color TextLinkColors::colorFromPrimitiveValue(const CSSPrimitiveValue* value, Color currentColor, bool forVisitedLink) const
     98 {
     99     if (value->isRGBColor())
    100         return Color(value->getRGBA32Value());
    101 
    102     CSSValueID valueID = value->getValueID();
    103     switch (valueID) {
    104     case 0:
    105         return Color();
    106     case CSSValueWebkitText:
    107         return textColor();
    108     case CSSValueWebkitLink:
    109         return forVisitedLink ? visitedLinkColor() : linkColor();
    110     case CSSValueWebkitActivelink:
    111         return activeLinkColor();
    112     case CSSValueWebkitFocusRingColor:
    113         return RenderTheme::focusRingColor();
    114     case CSSValueCurrentcolor:
    115         return currentColor;
    116     default:
    117         return colorForCSSValue(valueID);
    118     }
    119 }
    120 
    121 }
    122