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/* -*- 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 "nsSVGNumberPair.h"
#include "nsSVGAttrTearoffTable.h"
#include "nsCharSeparatedTokenizer.h"
#include "nsSMILValue.h"
#include "SVGContentUtils.h"
#include "SVGNumberPairSMILType.h"
using namespace mozilla;
using namespace mozilla::dom;
static nsSVGAttrTearoffTable<nsSVGNumberPair, nsSVGNumberPair::DOMAnimatedNumber>
sSVGFirstAnimatedNumberTearoffTable;
static nsSVGAttrTearoffTable<nsSVGNumberPair, nsSVGNumberPair::DOMAnimatedNumber>
sSVGSecondAnimatedNumberTearoffTable;
static nsresult
ParseNumberOptionalNumber(const nsAString& aValue,
float aValues[2])
{
nsCharSeparatedTokenizerTemplate<IsSVGWhitespace>
tokenizer(aValue, ',',
nsCharSeparatedTokenizer::SEPARATOR_OPTIONAL);
if (tokenizer.whitespaceBeforeFirstToken()) {
return NS_ERROR_DOM_SYNTAX_ERR;
}
uint32_t i;
for (i = 0; i < 2 && tokenizer.hasMoreTokens(); ++i) {
if (!SVGContentUtils::ParseNumber(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.whitespaceAfterCurrentToken() || // Trailing whitespace.
tokenizer.separatorAfterCurrentToken()) { // Trailing comma.
return NS_ERROR_DOM_SYNTAX_ERR;
}
return NS_OK;
}
nsresult
nsSVGNumberPair::SetBaseValueString(const nsAString &aValueAsString,
nsSVGElement *aSVGElement)
{
float val[2];
nsresult rv = ParseNumberOptionalNumber(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 Will/DidChange* here - we're only called by
// nsSVGElement::ParseAttribute under Element::SetAttr,
// which takes care of notifying.
return NS_OK;
}
void
nsSVGNumberPair::GetBaseValueString(nsAString &aValueAsString) const
{
aValueAsString.Truncate();
aValueAsString.AppendFloat(mBaseVal[0]);
if (mBaseVal[0] != mBaseVal[1]) {
aValueAsString.AppendLiteral(", ");
aValueAsString.AppendFloat(mBaseVal[1]);
}
}
void
nsSVGNumberPair::SetBaseValue(float aValue, PairIndex aPairIndex,
nsSVGElement *aSVGElement)
{
uint32_t index = (aPairIndex == eFirst ? 0 : 1);
if (mIsBaseSet && mBaseVal[index] == aValue) {
return;
}
nsAttrValue emptyOrOldValue = aSVGElement->WillChangeNumberPair(mAttrEnum);
mBaseVal[index] = aValue;
mIsBaseSet = true;
if (!mIsAnimated) {
mAnimVal[index] = aValue;
}
else {
aSVGElement->AnimationNeedsResample();
}
aSVGElement->DidChangeNumberPair(mAttrEnum, emptyOrOldValue);
}
void
nsSVGNumberPair::SetBaseValues(float aValue1, float aValue2,
nsSVGElement *aSVGElement)
{
if (mIsBaseSet && mBaseVal[0] == aValue1 && mBaseVal[1] == aValue2) {
return;
}
nsAttrValue emptyOrOldValue = aSVGElement->WillChangeNumberPair(mAttrEnum);
mBaseVal[0] = aValue1;
mBaseVal[1] = aValue2;
mIsBaseSet = true;
if (!mIsAnimated) {
mAnimVal[0] = aValue1;
mAnimVal[1] = aValue2;
}
else {
aSVGElement->AnimationNeedsResample();
}
aSVGElement->DidChangeNumberPair(mAttrEnum, emptyOrOldValue);
}
void
nsSVGNumberPair::SetAnimValue(const float aValue[2], nsSVGElement *aSVGElement)
{
if (mIsAnimated && mAnimVal[0] == aValue[0] && mAnimVal[1] == aValue[1]) {
return;
}
mAnimVal[0] = aValue[0];
mAnimVal[1] = aValue[1];
mIsAnimated = true;
aSVGElement->DidAnimateNumberPair(mAttrEnum);
}
already_AddRefed<SVGAnimatedNumber>
nsSVGNumberPair::ToDOMAnimatedNumber(PairIndex aIndex,
nsSVGElement* aSVGElement)
{
RefPtr<DOMAnimatedNumber> domAnimatedNumber =
aIndex == eFirst ? sSVGFirstAnimatedNumberTearoffTable.GetTearoff(this) :
sSVGSecondAnimatedNumberTearoffTable.GetTearoff(this);
if (!domAnimatedNumber) {
domAnimatedNumber = new DOMAnimatedNumber(this, aIndex, aSVGElement);
if (aIndex == eFirst) {
sSVGFirstAnimatedNumberTearoffTable.AddTearoff(this, domAnimatedNumber);
} else {
sSVGSecondAnimatedNumberTearoffTable.AddTearoff(this, domAnimatedNumber);
}
}
return domAnimatedNumber.forget();
}
nsSVGNumberPair::DOMAnimatedNumber::~DOMAnimatedNumber()
{
if (mIndex == eFirst) {
sSVGFirstAnimatedNumberTearoffTable.RemoveTearoff(mVal);
} else {
sSVGSecondAnimatedNumberTearoffTable.RemoveTearoff(mVal);
}
}
nsISMILAttr*
nsSVGNumberPair::ToSMILAttr(nsSVGElement *aSVGElement)
{
return new SMILNumberPair(this, aSVGElement);
}
nsresult
nsSVGNumberPair::SMILNumberPair::ValueFromString(const nsAString& aStr,
const dom::SVGAnimationElement* /*aSrcElement*/,
nsSMILValue& aValue,
bool& aPreventCachingOfSandwich) const
{
float values[2];
nsresult rv = ParseNumberOptionalNumber(aStr, values);
if (NS_FAILED(rv)) {
return rv;
}
nsSMILValue val(&SVGNumberPairSMILType::sSingleton);
val.mU.mNumberPair[0] = values[0];
val.mU.mNumberPair[1] = values[1];
aValue = val;
aPreventCachingOfSandwich = false;
return NS_OK;
}
nsSMILValue
nsSVGNumberPair::SMILNumberPair::GetBaseValue() const
{
nsSMILValue val(&SVGNumberPairSMILType::sSingleton);
val.mU.mNumberPair[0] = mVal->mBaseVal[0];
val.mU.mNumberPair[1] = mVal->mBaseVal[1];
return val;
}
void
nsSVGNumberPair::SMILNumberPair::ClearAnimValue()
{
if (mVal->mIsAnimated) {
mVal->mIsAnimated = false;
mVal->mAnimVal[0] = mVal->mBaseVal[0];
mVal->mAnimVal[1] = mVal->mBaseVal[1];
mSVGElement->DidAnimateNumberPair(mVal->mAttrEnum);
}
}
nsresult
nsSVGNumberPair::SMILNumberPair::SetAnimValue(const nsSMILValue& aValue)
{
NS_ASSERTION(aValue.mType == &SVGNumberPairSMILType::sSingleton,
"Unexpected type to assign animated value");
if (aValue.mType == &SVGNumberPairSMILType::sSingleton) {
mVal->SetAnimValue(aValue.mU.mNumberPair, mSVGElement);
}
return NS_OK;
}
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