1 /*

     2     Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>

     3                   2004, 2005, 2006 Rob Buis <buis@kde.org>

     4 

     5     This library is free software; you can redistribute it and/or

     6     modify it under the terms of the GNU Library General Public

     7     License as published by the Free Software Foundation; either

     8     version 2 of the License, or (at your option) any later version.

     9 

    10     This library is distributed in the hope that it will be useful,

    11     but WITHOUT ANY WARRANTY; without even the implied warranty of

    12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    13     Library General Public License for more details.

    14 

    15     You should have received a copy of the GNU Library General Public License

    16     along with this library; see the file COPYING.LIB.  If not, write to

    17     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

    18     Boston, MA 02110-1301, USA.

    19 */

    20 

    21 #include "config.h"

    22 

    23 #if ENABLE(SVG)

    24 #include "SVGTRefElement.h"

    25 

    26 #include "RenderSVGInline.h"

    27 #include "RenderSVGResource.h"

    28 #include "SVGDocument.h"

    29 #include "SVGNames.h"

    30 #include "Text.h"

    31 #include "XLinkNames.h"

    32 

    33 namespace WebCore {

    34 

    35 SVGTRefElement::SVGTRefElement(const QualifiedName& tagName, Document* doc)

    36     : SVGTextPositioningElement(tagName, doc)

    37     , SVGURIReference()

    38 {

    39 }

    40 

    41 SVGTRefElement::~SVGTRefElement()

    42 {

    43 }

    44 

    45 void SVGTRefElement::updateReferencedText()

    46 {

    47     Element* target = document()->getElementById(SVGURIReference::getTarget(href()));

    48     String textContent;

    49     if (target && target->isSVGElement())

    50         textContent = static_cast<SVGElement*>(target)->textContent();

    51     ExceptionCode ignore = 0;

    52     setTextContent(textContent, ignore);

    53 }

    54 

    55 void SVGTRefElement::parseMappedAttribute(Attribute* attr)

    56 {

    57     if (SVGURIReference::parseMappedAttribute(attr)) {

    58         updateReferencedText();

    59         return;

    60     }

    61 

    62     SVGTextPositioningElement::parseMappedAttribute(attr);

    63 }

    64 

    65 void SVGTRefElement::svgAttributeChanged(const QualifiedName& attrName)

    66 {

    67     SVGTextPositioningElement::svgAttributeChanged(attrName);

    68 

    69     if (!renderer())

    70         return;

    71 

    72     if (SVGURIReference::isKnownAttribute(attrName))

    73         RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer());

    74 }

    75 

    76 void SVGTRefElement::synchronizeProperty(const QualifiedName& attrName)

    77 {

    78     SVGTextPositioningElement::synchronizeProperty(attrName);

    79 

    80     if (attrName == anyQName() || SVGURIReference::isKnownAttribute(attrName))

    81         synchronizeHref();

    82 }

    83 

    84 bool SVGTRefElement::childShouldCreateRenderer(Node* child) const

    85 {

    86     if (child->isTextNode() || child->hasTagName(SVGNames::tspanTag) ||

    87         child->hasTagName(SVGNames::trefTag))

    88         return true;

    89     return false;

    90 }

    91 

    92 RenderObject* SVGTRefElement::createRenderer(RenderArena* arena, RenderStyle*)

    93 {

    94     return new (arena) RenderSVGInline(this);

    95 }

    96 

    97 }

    98 

    99 #endif // ENABLE(SVG)