DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Header

Mercurial (b6d82b1a6b02)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "SVGAnimatedIntegerPair.h"

#include "nsCharSeparatedTokenizer.h"
#include "nsError.h"
#include "nsMathUtils.h"
#include "SVGAttrTearoffTable.h"
#include "SVGIntegerPairSMILType.h"
#include "mozilla/SMILValue.h"
#include "mozilla/SVGContentUtils.h"

using namespace mozilla::dom;

namespace mozilla {

static SVGAttrTearoffTable<SVGAnimatedIntegerPair,
                           SVGAnimatedIntegerPair::DOMAnimatedInteger>
    sSVGFirstAnimatedIntegerTearoffTable;
static SVGAttrTearoffTable<SVGAnimatedIntegerPair,
                           SVGAnimatedIntegerPair::DOMAnimatedInteger>
    sSVGSecondAnimatedIntegerTearoffTable;

/* Implementation */

static nsresult ParseIntegerOptionalInteger(const nsAString& aValue,
                                            int32_t aValues[2]) {
  nsCharSeparatedTokenizerTemplate<nsContentUtils::IsHTMLWhitespace> tokenizer(
      aValue, ',', nsCharSeparatedTokenizer::SEPARATOR_OPTIONAL);
  uint32_t i;
  for (i = 0; i < 2 && tokenizer.hasMoreTokens(); ++i) {
    if (!SVGContentUtils::ParseInteger(tokenizer.nextToken(), aValues[i])) {
      return NS_ERROR_DOM_SYNTAX_ERR;
    }
  }
  if (i == 1) {
    aValues[1] = aValues[0];
  }

  if (i == 0 ||                                  // Too few values.
      tokenizer.hasMoreTokens() ||               // Too many values.
      tokenizer.separatorAfterCurrentToken()) {  // Trailing comma.
    return NS_ERROR_DOM_SYNTAX_ERR;
  }

  return NS_OK;
}

nsresult SVGAnimatedIntegerPair::SetBaseValueString(
    const nsAString& aValueAsString, SVGElement* aSVGElement) {
  int32_t val[2];

  nsresult rv = ParseIntegerOptionalInteger(aValueAsString, val);

  if (NS_FAILED(rv)) {
    return rv;
  }

  mBaseVal[0] = val[0];
  mBaseVal[1] = val[1];
  mIsBaseSet = true;
  if (!mIsAnimated) {
    mAnimVal[0] = mBaseVal[0];
    mAnimVal[1] = mBaseVal[1];
  } else {
    aSVGElement->AnimationNeedsResample();
  }

  // We don't need to call DidChange* here - we're only called by
  // SVGElement::ParseAttribute under Element::SetAttr,
  // which takes care of notifying.
  return NS_OK;
}

void SVGAnimatedIntegerPair::GetBaseValueString(
    nsAString& aValueAsString) const {
  aValueAsString.Truncate();
  aValueAsString.AppendInt(mBaseVal[0]);
  if (mBaseVal[0] != mBaseVal[1]) {
    aValueAsString.AppendLiteral(", ");
    aValueAsString.AppendInt(mBaseVal[1]);
  }
}

void SVGAnimatedIntegerPair::SetBaseValue(int32_t aValue, PairIndex aPairIndex,
                                          SVGElement* aSVGElement) {
  uint32_t index = (aPairIndex == eFirst ? 0 : 1);
  if (mIsBaseSet && mBaseVal[index] == aValue) {
    return;
  }

  nsAttrValue emptyOrOldValue = aSVGElement->WillChangeIntegerPair(mAttrEnum);
  mBaseVal[index] = aValue;
  mIsBaseSet = true;
  if (!mIsAnimated) {
    mAnimVal[index] = aValue;
  } else {
    aSVGElement->AnimationNeedsResample();
  }
  aSVGElement->DidChangeIntegerPair(mAttrEnum, emptyOrOldValue);
}

void SVGAnimatedIntegerPair::SetBaseValues(int32_t aValue1, int32_t aValue2,
                                           SVGElement* aSVGElement) {
  if (mIsBaseSet && mBaseVal[0] == aValue1 && mBaseVal[1] == aValue2) {
    return;
  }

  nsAttrValue emptyOrOldValue = aSVGElement->WillChangeIntegerPair(mAttrEnum);
  mBaseVal[0] = aValue1;
  mBaseVal[1] = aValue2;
  mIsBaseSet = true;
  if (!mIsAnimated) {
    mAnimVal[0] = aValue1;
    mAnimVal[1] = aValue2;
  } else {
    aSVGElement->AnimationNeedsResample();
  }
  aSVGElement->DidChangeIntegerPair(mAttrEnum, emptyOrOldValue);
}

void SVGAnimatedIntegerPair::SetAnimValue(const int32_t aValue[2],
                                          SVGElement* aSVGElement) {
  if (mIsAnimated && mAnimVal[0] == aValue[0] && mAnimVal[1] == aValue[1]) {
    return;
  }
  mAnimVal[0] = aValue[0];
  mAnimVal[1] = aValue[1];
  mIsAnimated = true;
  aSVGElement->DidAnimateIntegerPair(mAttrEnum);
}

already_AddRefed<DOMSVGAnimatedInteger>
SVGAnimatedIntegerPair::ToDOMAnimatedInteger(PairIndex aIndex,
                                             SVGElement* aSVGElement) {
  RefPtr<DOMAnimatedInteger> domAnimatedInteger =
      aIndex == eFirst ? sSVGFirstAnimatedIntegerTearoffTable.GetTearoff(this)
                       : sSVGSecondAnimatedIntegerTearoffTable.GetTearoff(this);
  if (!domAnimatedInteger) {
    domAnimatedInteger = new DOMAnimatedInteger(this, aIndex, aSVGElement);
    if (aIndex == eFirst) {
      sSVGFirstAnimatedIntegerTearoffTable.AddTearoff(this, domAnimatedInteger);
    } else {
      sSVGSecondAnimatedIntegerTearoffTable.AddTearoff(this,
                                                       domAnimatedInteger);
    }
  }

  return domAnimatedInteger.forget();
}

SVGAnimatedIntegerPair::DOMAnimatedInteger::~DOMAnimatedInteger() {
  if (mIndex == eFirst) {
    sSVGFirstAnimatedIntegerTearoffTable.RemoveTearoff(mVal);
  } else {
    sSVGSecondAnimatedIntegerTearoffTable.RemoveTearoff(mVal);
  }
}

UniquePtr<SMILAttr> SVGAnimatedIntegerPair::ToSMILAttr(
    SVGElement* aSVGElement) {
  return MakeUnique<SMILIntegerPair>(this, aSVGElement);
}

nsresult SVGAnimatedIntegerPair::SMILIntegerPair::ValueFromString(
    const nsAString& aStr, const dom::SVGAnimationElement* /*aSrcElement*/,
    SMILValue& aValue, bool& aPreventCachingOfSandwich) const {
  int32_t values[2];

  nsresult rv = ParseIntegerOptionalInteger(aStr, values);
  if (NS_FAILED(rv)) {
    return rv;
  }

  SMILValue val(SVGIntegerPairSMILType::Singleton());
  val.mU.mIntPair[0] = values[0];
  val.mU.mIntPair[1] = values[1];
  aValue = val;
  aPreventCachingOfSandwich = false;

  return NS_OK;
}

SMILValue SVGAnimatedIntegerPair::SMILIntegerPair::GetBaseValue() const {
  SMILValue val(SVGIntegerPairSMILType::Singleton());
  val.mU.mIntPair[0] = mVal->mBaseVal[0];
  val.mU.mIntPair[1] = mVal->mBaseVal[1];
  return val;
}

void SVGAnimatedIntegerPair::SMILIntegerPair::ClearAnimValue() {
  if (mVal->mIsAnimated) {
    mVal->mIsAnimated = false;
    mVal->mAnimVal[0] = mVal->mBaseVal[0];
    mVal->mAnimVal[1] = mVal->mBaseVal[1];
    mSVGElement->DidAnimateIntegerPair(mVal->mAttrEnum);
  }
}

nsresult SVGAnimatedIntegerPair::SMILIntegerPair::SetAnimValue(
    const SMILValue& aValue) {
  NS_ASSERTION(aValue.mType == SVGIntegerPairSMILType::Singleton(),
               "Unexpected type to assign animated value");
  if (aValue.mType == SVGIntegerPairSMILType::Singleton()) {
    mVal->SetAnimValue(aValue.mU.mIntPair, mSVGElement);
  }
  return NS_OK;
}

}  // namespace mozilla