tor-browser

The Tor Browser
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SVGAnimatedClass.cpp (2942B)

      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 "SVGAnimatedClass.h"
      8 
      9 #include <utility>
     10 
     11 #include "DOMSVGAnimatedString.h"
     12 #include "SMILStringType.h"
     13 #include "mozilla/SMILValue.h"
     14 #include "mozilla/dom/SVGElement.h"
     15 
     16 namespace mozilla {
     17 
     18 void SVGAnimatedClass::SetBaseValue(const nsAString& aValue,
     19                                    SVGElement* aSVGElement, bool aDoSetAttr) {
     20  NS_ASSERTION(aSVGElement, "Null element passed to SetBaseValue");
     21 
     22  aSVGElement->SetMayHaveClass();
     23  if (aDoSetAttr) {
     24    aSVGElement->SetAttr(kNameSpaceID_None, nsGkAtoms::_class, aValue, true);
     25  }
     26  if (mAnimVal) {
     27    aSVGElement->AnimationNeedsResample();
     28  }
     29 }
     30 
     31 void SVGAnimatedClass::GetBaseValue(nsAString& aValue,
     32                                    const SVGElement* aSVGElement) const {
     33  aSVGElement->GetAttr(nsGkAtoms::_class, aValue);
     34 }
     35 
     36 void SVGAnimatedClass::GetAnimValue(nsAString& aResult,
     37                                    const SVGElement* aSVGElement) const {
     38  if (mAnimVal) {
     39    aResult = *mAnimVal;
     40    return;
     41  }
     42 
     43  aSVGElement->GetAttr(nsGkAtoms::_class, aResult);
     44 }
     45 
     46 void SVGAnimatedClass::SetAnimValue(const nsAString& aValue,
     47                                    SVGElement* aSVGElement) {
     48  if (mAnimVal && mAnimVal->Equals(aValue)) {
     49    return;
     50  }
     51  if (!mAnimVal) {
     52    mAnimVal = MakeUnique<nsString>();
     53  }
     54  *mAnimVal = aValue;
     55  aSVGElement->SetMayHaveClass();
     56  aSVGElement->DidAnimateClass();
     57 }
     58 
     59 UniquePtr<SMILAttr> SVGAnimatedClass::ToSMILAttr(SVGElement* aSVGElement) {
     60  return MakeUnique<SMILString>(this, aSVGElement);
     61 }
     62 
     63 nsresult SVGAnimatedClass::SMILString::ValueFromString(
     64    const nsAString& aStr, const dom::SVGAnimationElement* /*aSrcElement*/,
     65    SMILValue& aValue, bool& aPreventCachingOfSandwich) const {
     66  SMILValue val(SMILStringType::Singleton());
     67 
     68  *static_cast<nsAString*>(val.mU.mPtr) = aStr;
     69  aValue = std::move(val);
     70  return NS_OK;
     71 }
     72 
     73 SMILValue SVGAnimatedClass::SMILString::GetBaseValue() const {
     74  SMILValue val(SMILStringType::Singleton());
     75  mSVGElement->GetAttr(nsGkAtoms::_class,
     76                       *static_cast<nsAString*>(val.mU.mPtr));
     77  return val;
     78 }
     79 
     80 void SVGAnimatedClass::SMILString::ClearAnimValue() {
     81  if (mVal->mAnimVal) {
     82    mVal->mAnimVal = nullptr;
     83    mSVGElement->DidAnimateClass();
     84  }
     85 }
     86 
     87 nsresult SVGAnimatedClass::SMILString::SetAnimValue(const SMILValue& aValue) {
     88  NS_ASSERTION(aValue.mType == SMILStringType::Singleton(),
     89               "Unexpected type to assign animated value");
     90  if (aValue.mType == SMILStringType::Singleton()) {
     91    mVal->SetAnimValue(*static_cast<nsAString*>(aValue.mU.mPtr), mSVGElement);
     92  }
     93  return NS_OK;
     94 }
     95 
     96 }  // namespace mozilla