1 /* 2 * Copyright (C) 2014 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "config.h" 32 33 #include "core/svg/SVGLengthTearOff.h" 34 35 #include "bindings/v8/ExceptionState.h" 36 #include "core/dom/ExceptionCode.h" 37 38 namespace WebCore { 39 40 namespace { 41 42 inline SVGLengthType toSVGLengthType(unsigned short type) 43 { 44 ASSERT(type >= LengthTypeUnknown && type <= LengthTypePC); 45 return static_cast<SVGLengthType>(type); 46 } 47 48 } // namespace 49 50 SVGLengthType SVGLengthTearOff::unitType() 51 { 52 return target()->unitType(); 53 } 54 55 SVGLengthMode SVGLengthTearOff::unitMode() 56 { 57 return target()->unitMode(); 58 } 59 60 float SVGLengthTearOff::value(ExceptionState& es) 61 { 62 SVGLengthContext lengthContext(contextElement()); 63 return target()->value(lengthContext, es); 64 } 65 66 void SVGLengthTearOff::setValue(float value, ExceptionState& es) 67 { 68 if (isImmutable()) { 69 es.throwDOMException(NoModificationAllowedError, "The attribute is read-only."); 70 return; 71 } 72 73 SVGLengthContext lengthContext(contextElement()); 74 target()->setValue(value, lengthContext, es); 75 commitChange(); 76 } 77 78 float SVGLengthTearOff::valueInSpecifiedUnits() 79 { 80 return target()->valueInSpecifiedUnits(); 81 } 82 83 void SVGLengthTearOff::setValueInSpecifiedUnits(float value, ExceptionState& es) 84 { 85 if (isImmutable()) { 86 es.throwDOMException(NoModificationAllowedError, "The attribute is read-only."); 87 return; 88 } 89 target()->setValueInSpecifiedUnits(value); 90 commitChange(); 91 } 92 93 String SVGLengthTearOff::valueAsString() 94 { 95 return target()->valueAsString(); 96 } 97 98 void SVGLengthTearOff::setValueAsString(const String& str, ExceptionState& es) 99 { 100 if (isImmutable()) { 101 es.throwDOMException(NoModificationAllowedError, "The attribute is read-only."); 102 return; 103 } 104 105 target()->setValueAsString(str, es); 106 commitChange(); 107 } 108 109 void SVGLengthTearOff::newValueSpecifiedUnits(unsigned short unitType, float valueInSpecifiedUnits, ExceptionState& exceptionState) 110 { 111 if (isImmutable()) { 112 exceptionState.throwDOMException(NoModificationAllowedError, "The object is read-only."); 113 return; 114 } 115 116 if (unitType == LengthTypeUnknown || unitType > LengthTypePC) { 117 exceptionState.throwDOMException(NotSupportedError, "Cannot set value with unknown or invalid units (" + String::number(unitType) + ")."); 118 return; 119 } 120 121 target()->newValueSpecifiedUnits(toSVGLengthType(unitType), valueInSpecifiedUnits); 122 commitChange(); 123 } 124 125 void SVGLengthTearOff::convertToSpecifiedUnits(unsigned short unitType, ExceptionState& exceptionState) 126 { 127 if (isImmutable()) { 128 exceptionState.throwDOMException(NoModificationAllowedError, "The object is read-only."); 129 return; 130 } 131 132 if (unitType == LengthTypeUnknown || unitType > LengthTypePC) { 133 exceptionState.throwDOMException(NotSupportedError, "Cannot convert to unknown or invalid units (" + String::number(unitType) + ")."); 134 return; 135 } 136 137 SVGLengthContext lengthContext(contextElement()); 138 target()->convertToSpecifiedUnits(toSVGLengthType(unitType), lengthContext, exceptionState); 139 commitChange(); 140 } 141 142 SVGLengthTearOff::SVGLengthTearOff(PassRefPtr<SVGLength> target, SVGElement* contextElement, PropertyIsAnimValType propertyIsAnimVal, const QualifiedName& attributeName) 143 : SVGPropertyTearOff<SVGLength>(target, contextElement, propertyIsAnimVal, attributeName) 144 { 145 ScriptWrappable::init(this); 146 } 147 148 } 149