khtml/svg/SVGFontFaceUriElement.cpp

   1 /*
   2    Copyright (C) 2007 Eric Seidel <eric@webkit.org>
   3
   4    This library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Library General Public
   6    License as published by the Free Software Foundation; either
   7    version 2 of the License, or (at your option) any later version.
   8
   9    This library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public License
  15    along with this library; see the file COPYING.LIB.  If not, write to
  16    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17    Boston, MA 02110-1301, USA.
  18  */
  19
  20 #include "config.h"
  21
  22 #if ENABLE(SVG_FONTS)
  23 #include "SVGFontFaceUriElement.h"
  24
  25 #include "CSSFontFaceSrcValue.h"
  26 #include "SVGFontFaceElement.h"
  27 #include "SVGNames.h"
  28 #include "XLinkNames.h"
  29
  30 namespace WebCore {
  31
  32 using namespace SVGNames;
  33
  34 SVGFontFaceUriElement::SVGFontFaceUriElement(const QualifiedName& tagName, Document* doc)
  35     : SVGElement(tagName, doc)
  36 {
  37 }
  38
  39 PassRefPtr<CSSFontFaceSrcValue> SVGFontFaceUriElement::srcValue() const
  40 {
  41     RefPtr<CSSFontFaceSrcValue> src = new CSSFontFaceSrcValue(getAttribute(XLinkNames::hrefAttr), false);
  42     AtomicString value(getAttribute(formatAttr));
  43     src->setFormat(value.isEmpty() ? "svg" : value); // Default format
  44     return src.release();
  45 }
  46
  47 void SVGFontFaceUriElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
  48 {
  49     SVGElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
  50
  51     if (!parentNode() || !parentNode()->hasTagName(font_face_srcTag))
  52         return;
  53
  54     Node* grandParent = parentNode()->parentNode();
  55     if (grandParent && grandParent->hasTagName(font_faceTag))
  56         static_cast<SVGFontFaceElement*>(grandParent)->rebuildFontFace();
  57 }
  58
  59 }
  60
  61 #endif // ENABLE(SVG_FONTS)