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      1 /*
      2     Copyright (C) 2008 Nikolas Zimmermann <zimmermann (at) kde.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)
     23 #include "JSSVGLength.h"
     24 
     25 #include <runtime/Error.h>
     26 #include "SVGAnimatedProperty.h"
     27 #include "SVGException.h"
     28 
     29 using namespace JSC;
     30 
     31 namespace WebCore {
     32 
     33 JSValue JSSVGLength::value(ExecState* exec) const
     34 {
     35     SVGLength& podImp = impl()->propertyReference();
     36     ExceptionCode ec = 0;
     37     float value = podImp.value(impl()->contextElement(), ec);
     38     if (ec) {
     39         setDOMException(exec, ec);
     40         return jsUndefined();
     41     }
     42 
     43     return jsNumber(value);
     44 }
     45 
     46 void JSSVGLength::setValue(ExecState* exec, JSValue value)
     47 {
     48     if (impl()->role() == AnimValRole) {
     49         setDOMException(exec, NO_MODIFICATION_ALLOWED_ERR);
     50         return;
     51     }
     52 
     53     if (!value.isUndefinedOrNull() && !value.isNumber() && !value.isBoolean()) {
     54         throwVMTypeError(exec);
     55         return;
     56     }
     57 
     58     SVGLength& podImp = impl()->propertyReference();
     59 
     60     ExceptionCode ec = 0;
     61     podImp.setValue(value.toFloat(exec), impl()->contextElement(), ec);
     62     if (ec) {
     63         setDOMException(exec, ec);
     64         return;
     65     }
     66 
     67     impl()->commitChange();
     68 }
     69 
     70 JSValue JSSVGLength::convertToSpecifiedUnits(ExecState* exec)
     71 {
     72     if (impl()->role() == AnimValRole) {
     73         setDOMException(exec, NO_MODIFICATION_ALLOWED_ERR);
     74         return jsUndefined();
     75     }
     76 
     77     SVGLength& podImp = impl()->propertyReference();
     78 
     79     // Mimic the behaviour of RequiresAllArguments=Raise.
     80     if (exec->argumentCount() < 1)
     81         return throwError(exec, createSyntaxError(exec, "Not enough arguments"));
     82 
     83     unsigned short unitType = exec->argument(0).toUInt32(exec);
     84     if (exec->hadException())
     85         return jsUndefined();
     86 
     87     ExceptionCode ec = 0;
     88     podImp.convertToSpecifiedUnits(unitType, impl()->contextElement(), ec);
     89     if (ec) {
     90         setDOMException(exec, ec);
     91         return jsUndefined();
     92     }
     93 
     94     impl()->commitChange();
     95     return jsUndefined();
     96 }
     97 
     98 }
     99 
    100 #endif // ENABLE(SVG)
    101