dom/svg/DOMSVGAngle.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "DOMSVGAngle.h"
   8 #include "SVGAnimatedOrient.h"
   9 #include "mozilla/dom/SVGAngleBinding.h"
  10 #include "mozilla/dom/SVGSVGElement.h"
  11
  12 namespace mozilla {
  13 namespace dom {
  14
  15 NS_SVG_VAL_IMPL_CYCLE_COLLECTION_WRAPPERCACHED(DOMSVGAngle, mSVGElement)
  16
  17 NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(DOMSVGAngle, AddRef)
  18 NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(DOMSVGAngle, Release)
  19
  20 DOMSVGAngle::DOMSVGAngle(SVGSVGElement* aSVGElement)
  21     : mSVGElement(aSVGElement), mType(AngleType::CreatedValue) {
  22   mVal = new SVGAnimatedOrient();
  23   mVal->Init();
  24 }
  25
  26 JSObject* DOMSVGAngle::WrapObject(JSContext* aCx,
  27                                   JS::Handle<JSObject*> aGivenProto) {
  28   return SVGAngle_Binding::Wrap(aCx, this, aGivenProto);
  29 }
  30
  31 uint16_t DOMSVGAngle::UnitType() const {
  32   if (mType == AngleType::AnimValue) {
  33     mSVGElement->FlushAnimations();
  34     return mVal->mAnimValUnit;
  35   }
  36   return mVal->mBaseValUnit;
  37 }
  38
  39 float DOMSVGAngle::Value() const {
  40   if (mType == AngleType::AnimValue) {
  41     mSVGElement->FlushAnimations();
  42     return mVal->GetAnimValue();
  43   }
  44   return mVal->GetBaseValue();
  45 }
  46
  47 void DOMSVGAngle::SetValue(float aValue, ErrorResult& rv) {
  48   if (mType == AngleType::AnimValue) {
  49     rv.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR);
  50     return;
  51   }
  52   bool isBaseVal = mType == AngleType::BaseValue;
  53   mVal->SetBaseValue(aValue, mVal->mBaseValUnit,
  54                      isBaseVal ? mSVGElement.get() : nullptr, isBaseVal);
  55 }
  56
  57 float DOMSVGAngle::ValueInSpecifiedUnits() const {
  58   if (mType == AngleType::AnimValue) {
  59     return mVal->mAnimVal;
  60   }
  61   return mVal->mBaseVal;
  62 }
  63
  64 void DOMSVGAngle::SetValueInSpecifiedUnits(float aValue, ErrorResult& rv) {
  65   if (mType == AngleType::AnimValue) {
  66     rv.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR);
  67     return;
  68   }
  69   if (mType == AngleType::BaseValue) {
  70     mVal->SetBaseValueInSpecifiedUnits(aValue, mSVGElement);
  71   } else {
  72     mVal->mBaseVal = aValue;
  73   }
  74 }
  75
  76 void DOMSVGAngle::NewValueSpecifiedUnits(uint16_t unitType,
  77                                          float valueInSpecifiedUnits,
  78                                          ErrorResult& rv) {
  79   if (mType == AngleType::AnimValue) {
  80     rv.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR);
  81     return;
  82   }
  83   rv = mVal->NewValueSpecifiedUnits(
  84       unitType, valueInSpecifiedUnits,
  85       mType == AngleType::BaseValue ? mSVGElement.get() : nullptr);
  86 }
  87
  88 void DOMSVGAngle::ConvertToSpecifiedUnits(uint16_t unitType, ErrorResult& rv) {
  89   if (mType == AngleType::AnimValue) {
  90     rv.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR);
  91     return;
  92   }
  93   rv = mVal->ConvertToSpecifiedUnits(
  94       unitType, mType == AngleType::BaseValue ? mSVGElement.get() : nullptr);
  95 }
  96
  97 void DOMSVGAngle::SetValueAsString(const nsAString& aValue, ErrorResult& rv) {
  98   if (mType == AngleType::AnimValue) {
  99     rv.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR);
 100     return;
 101   }
 102   bool isBaseVal = mType == AngleType::BaseValue;
 103   rv = mVal->SetBaseValueString(aValue, isBaseVal ? mSVGElement.get() : nullptr,
 104                                 isBaseVal);
 105 }
 106
 107 void DOMSVGAngle::GetValueAsString(nsAString& aValue) {
 108   if (mType == AngleType::AnimValue) {
 109     mSVGElement->FlushAnimations();
 110     mVal->GetAnimAngleValueString(aValue);
 111   } else {
 112     mVal->GetBaseAngleValueString(aValue);
 113   }
 114 }
 115
 116 }  // namespace dom
 117 }  // namespace mozilla