khtml/svg/SVGFontFaceFormatElement.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 "SVGFontFaceFormatElement.h"
  24
  25 #include "SVGFontFaceElement.h"
  26 #include "SVGNames.h"
  27
  28 namespace WebCore {
  29
  30 using namespace SVGNames;
  31
  32 SVGFontFaceFormatElement::SVGFontFaceFormatElement(const QualifiedName& tagName, Document* doc)
  33     : SVGElement(tagName, doc)
  34 {
  35 }
  36
  37 void SVGFontFaceFormatElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
  38 {
  39     SVGElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
  40
  41     if (!parentNode() || !parentNode()->hasTagName(font_face_uriTag))
  42         return;
  43
  44     Node* ancestor = parentNode()->parentNode();
  45     if (!ancestor || !ancestor->hasTagName(font_face_srcTag))
  46         return;
  47
  48     ancestor = ancestor->parentNode();
  49     if (ancestor && ancestor->hasTagName(font_faceTag))
  50         static_cast<SVGFontFaceElement*>(ancestor)->rebuildFontFace();
  51 }
  52
  53 }
  54
  55 #endif // ENABLE(SVG_FONTS)