nsresult
nsSVGAngle::SMILOrient::ValueFromString(const nsAString& aStr,
const SVGAnimationElement* /*aSrcElement*/,
nsSMILValue& aValue,
bool& aPreventCachingOfSandwich) const
{
nsSMILValue val(&SVGOrientSMILType::sSingleton);
if (aStr.EqualsLiteral("auto")) {
val.mU.mOrient.mOrientType = SVG_MARKER_ORIENT_AUTO;
} else if (aStr.EqualsLiteral("auto-start-reverse")) {
val.mU.mOrient.mOrientType = SVG_MARKER_ORIENT_AUTO_START_REVERSE;
} else {
float value;
uint16_t unitType;
if (!GetValueFromString(aStr, value, &unitType)) {
return NS_ERROR_DOM_SYNTAX_ERR;
}
val.mU.mOrient.mAngle = value;
val.mU.mOrient.mUnit = unitType;
val.mU.mOrient.mOrientType = SVG_MARKER_ORIENT_ANGLE;
}
aValue.Swap(val);
aPreventCachingOfSandwich = false;
return NS_OK;
}
nsresult
nsSVGAngle::SMILOrient::ValueFromString(const nsAString& aStr,
const nsISMILAnimationElement* /*aSrcElement*/,
nsSMILValue& aValue,
PRBool& aPreventCachingOfSandwich) const
{
nsSMILValue val(&SVGOrientSMILType::sSingleton);
if (aStr.EqualsLiteral("auto")) {
val.mU.mOrient.mOrientType = nsIDOMSVGMarkerElement::SVG_MARKER_ORIENT_AUTO;
} else {
float value;
PRUint16 unitType;
nsresult rv = GetValueFromString(aStr, &value, &unitType);
if (NS_FAILED(rv)) {
return rv;
}
val.mU.mOrient.mAngle = value;
val.mU.mOrient.mUnit = unitType;
val.mU.mOrient.mOrientType = nsIDOMSVGMarkerElement::SVG_MARKER_ORIENT_ANGLE;
}
aValue.Swap(val);
aPreventCachingOfSandwich = PR_FALSE;
return NS_OK;
}
void
nsSVGAnimatedTransformList::SMILAnimatedTransformList::ParseValue(
const nsAString& aSpec,
const nsIAtom* aTransformType,
nsSMILValue& aResult)
{
MOZ_ASSERT(aResult.IsNull(), "Unexpected type for SMIL value");
static_assert(SVGTransformSMILData::NUM_SIMPLE_PARAMS == 3,
"nsSVGSMILTransform constructor should be expecting array "
"with 3 params");
float params[3] = { 0.f };
int32_t numParsed = ParseParameterList(aSpec, params, 3);
uint16_t transformType;
if (aTransformType == nsGkAtoms::translate) {
// tx [ty=0]
if (numParsed != 1 && numParsed != 2)
return;
transformType = SVG_TRANSFORM_TRANSLATE;
} else if (aTransformType == nsGkAtoms::scale) {
// sx [sy=sx]
if (numParsed != 1 && numParsed != 2)
return;
if (numParsed == 1) {
params[1] = params[0];
}
transformType = SVG_TRANSFORM_SCALE;
} else if (aTransformType == nsGkAtoms::rotate) {
// r [cx=0 cy=0]
if (numParsed != 1 && numParsed != 3)
return;
transformType = SVG_TRANSFORM_ROTATE;
} else if (aTransformType == nsGkAtoms::skewX) {
// x-angle
if (numParsed != 1)
return;
transformType = SVG_TRANSFORM_SKEWX;
} else if (aTransformType == nsGkAtoms::skewY) {
// y-angle
if (numParsed != 1)
return;
transformType = SVG_TRANSFORM_SKEWY;
} else {
return;
}
nsSMILValue val(SVGTransformListSMILType::Singleton());
SVGTransformSMILData transform(transformType, params);
if (NS_FAILED(SVGTransformListSMILType::AppendTransform(transform, val))) {
return; // OOM
}
// Success! Populate our outparam with parsed value.
aResult.Swap(val);
}
void
nsSVGTransformSMILAttr::ParseValue(const nsAString& aSpec,
const nsIAtom* aTransformType,
nsSMILValue& aResult)
{
NS_ASSERTION(aResult.IsNull(), "Unexpected type for SMIL value");
// nsSVGSMILTransform constructor should be expecting array with 3 params
PR_STATIC_ASSERT(nsSVGSMILTransform::NUM_SIMPLE_PARAMS == 3);
float params[3] = { 0.f };
PRInt32 numParsed = ParseParameterList(aSpec, params, 3);
nsSVGSMILTransform::TransformType transformType;
if (aTransformType == nsGkAtoms::translate) {
// tx [ty=0]
if (numParsed != 1 && numParsed != 2)
return;
transformType = nsSVGSMILTransform::TRANSFORM_TRANSLATE;
} else if (aTransformType == nsGkAtoms::scale) {
// sx [sy=sx]
if (numParsed != 1 && numParsed != 2)
return;
if (numParsed == 1) {
params[1] = params[0];
}
transformType = nsSVGSMILTransform::TRANSFORM_SCALE;
} else if (aTransformType == nsGkAtoms::rotate) {
// r [cx=0 cy=0]
if (numParsed != 1 && numParsed != 3)
return;
transformType = nsSVGSMILTransform::TRANSFORM_ROTATE;
} else if (aTransformType == nsGkAtoms::skewX) {
// x-angle
if (numParsed != 1)
return;
transformType = nsSVGSMILTransform::TRANSFORM_SKEWX;
} else if (aTransformType == nsGkAtoms::skewY) {
// y-angle
if (numParsed != 1)
return;
transformType = nsSVGSMILTransform::TRANSFORM_SKEWY;
} else {
return;
}
nsSMILValue val(&nsSVGTransformSMILType::sSingleton);
nsSVGSMILTransform transform(transformType, params);
if (NS_FAILED(nsSVGTransformSMILType::AppendTransform(transform, val))) {
return;
}
// Success! Populate our outparam with parsed value.
aResult.Swap(val);
}
nsresult
nsSVGClass::SMILString::ValueFromString(const nsAString& aStr,
const nsISMILAnimationElement* /*aSrcElement*/,
nsSMILValue& aValue,
bool& aPreventCachingOfSandwich) const
{
nsSMILValue val(&SMILStringType::sSingleton);
*static_cast<nsAString*>(val.mU.mPtr) = aStr;
aValue.Swap(val);
aPreventCachingOfSandwich = false;
return NS_OK;
}
nsresult
SVGAnimatedPathSegList::
SMILAnimatedPathSegList::ValueFromString(const nsAString& aStr,
const nsISMILAnimationElement* /*aSrcElement*/,
nsSMILValue& aValue,
bool& aPreventCachingOfSandwich) const
{
nsSMILValue val(&SVGPathSegListSMILType::sSingleton);
SVGPathDataAndOwner *list = static_cast<SVGPathDataAndOwner*>(val.mU.mPtr);
nsresult rv = list->SetValueFromString(aStr);
if (NS_SUCCEEDED(rv)) {
list->SetElement(mElement);
aValue.Swap(val);
}
aPreventCachingOfSandwich = false;
return rv;
}
nsresult
SVGAnimatedNumberList::
SMILAnimatedNumberList::ValueFromString(const nsAString& aStr,
const nsISMILAnimationElement* /*aSrcElement*/,
nsSMILValue& aValue,
bool& aPreventCachingOfSandwich) const
{
nsSMILValue val(&SVGNumberListSMILType::sSingleton);
SVGNumberListAndInfo *nlai = static_cast<SVGNumberListAndInfo*>(val.mU.mPtr);
nsresult rv = nlai->SetValueFromString(aStr);
if (NS_SUCCEEDED(rv)) {
nlai->SetInfo(mElement);
aValue.Swap(val);
}
aPreventCachingOfSandwich = false;
return rv;
}
nsresult
SVGAnimatedPointList::
SMILAnimatedPointList::ValueFromString(const nsAString& aStr,
const nsISMILAnimationElement* /*aSrcElement*/,
nsSMILValue& aValue,
PRBool& aPreventCachingOfSandwich) const
{
nsSMILValue val(&SVGPointListSMILType::sSingleton);
SVGPointListAndInfo *list = static_cast<SVGPointListAndInfo*>(val.mU.mPtr);
nsresult rv = list->SetValueFromString(aStr);
if (NS_SUCCEEDED(rv)) {
list->SetInfo(mElement);
aValue.Swap(val);
}
aPreventCachingOfSandwich = PR_FALSE;
return rv;
}
nsresult
nsSVGViewBox::SMILViewBox
::ValueFromString(const nsAString& aStr,
const nsISMILAnimationElement* /*aSrcElement*/,
nsSMILValue& aValue,
bool& aPreventCachingOfSandwich) const
{
nsSVGViewBoxRect viewBox;
nsresult res = ToSVGViewBoxRect(aStr, &viewBox);
if (NS_FAILED(res)) {
return res;
}
nsSMILValue val(&SVGViewBoxSMILType::sSingleton);
*static_cast<nsSVGViewBoxRect*>(val.mU.mPtr) = viewBox;
aValue.Swap(val);
aPreventCachingOfSandwich = false;
return NS_OK;
}
nsresult
SVGAnimatedLengthList::
SMILAnimatedLengthList::ValueFromString(const nsAString& aStr,
const nsISMILAnimationElement* /*aSrcElement*/,
nsSMILValue& aValue,
bool& aPreventCachingOfSandwich) const
{
nsSMILValue val(&SVGLengthListSMILType::sSingleton);
SVGLengthListAndInfo *llai = static_cast<SVGLengthListAndInfo*>(val.mU.mPtr);
nsresult rv = llai->SetValueFromString(aStr);
if (NS_SUCCEEDED(rv)) {
llai->SetInfo(mElement, mAxis, mCanZeroPadList);
aValue.Swap(val);
// If any of the lengths in the list depend on their context, then we must
// prevent caching of the entire animation sandwich. This is because the
// units of a length at a given index can change from sandwich layer to
// layer, and indeed even be different within a single sandwich layer. If
// any length in the result of an animation sandwich is the result of the
// addition of lengths where one or more of those lengths is context
// dependent, then naturally the resultant length is also context
// dependent, regardless of whether its actual unit is context dependent or
// not. Unfortunately normal invalidation mechanisms won't cause us to
// recalculate the result of the sandwich if the context changes, so we
// take the (substantial) performance hit of preventing caching of the
// sandwich layer, causing the animation sandwich to be recalculated every
// single sample.
aPreventCachingOfSandwich = PR_FALSE;
for (PRUint32 i = 0; i < llai->Length(); ++i) {
PRUint8 unit = (*llai)[i].GetUnit();
if (unit == nsIDOMSVGLength::SVG_LENGTHTYPE_PERCENTAGE ||
unit == nsIDOMSVGLength::SVG_LENGTHTYPE_EMS ||
unit == nsIDOMSVGLength::SVG_LENGTHTYPE_EXS) {
aPreventCachingOfSandwich = PR_TRUE;
break;
}
}
}
return rv;
}
void
nsSMILAnimationFunction::ComposeResult(const nsISMILAttr& aSMILAttr,
nsSMILValue& aResult)
{
mHasChanged = PR_FALSE;
// Skip animations that are inactive or in error
if (!IsActiveOrFrozen() || mErrorFlags != 0)
return;
// Get the animation values
nsSMILValueArray values;
nsresult rv = GetValues(aSMILAttr, values);
if (NS_FAILED(rv))
return;
// Check that we have the right number of keySplines and keyTimes
CheckValueListDependentAttrs(values.Length());
if (mErrorFlags != 0)
return;
// If this interval is active, we must have a non-negative mSampleTime
NS_ABORT_IF_FALSE(mSampleTime >= 0 || !mIsActive,
"Negative sample time for active animation");
NS_ABORT_IF_FALSE(mSimpleDuration.IsResolved() ||
mSimpleDuration.IsIndefinite() || mLastValue,
"Unresolved simple duration for active or frozen animation");
nsSMILValue result(aResult.mType);
if (mSimpleDuration.IsIndefinite() ||
(values.Length() == 1 && TreatSingleValueAsStatic())) {
// Indefinite duration or only one value set: Always set the first value
result = values[0];
} else if (mLastValue) {
// Sampling last value
const nsSMILValue& last = values[values.Length() - 1];
result = last;
// See comment in AccumulateResult: to-animation does not accumulate
if (!IsToAnimation() && GetAccumulate() && mRepeatIteration) {
// If the target attribute type doesn't support addition Add will
// fail leaving result = last
result.Add(last, mRepeatIteration);
}
} else if (!mFrozenValue.IsNull() && !mHasChanged) {
// Frozen to animation
result = mFrozenValue;
} else {
// Interpolation
if (NS_FAILED(InterpolateResult(values, result, aResult)))
return;
if (NS_FAILED(AccumulateResult(values, result)))
return;
if (IsToAnimation() && mIsFrozen) {
mFrozenValue = result;
}
}
// If additive animation isn't required or isn't supported, set the value.
if (!IsAdditive() || NS_FAILED(aResult.SandwichAdd(result))) {
aResult.Swap(result);
// Note: The old value of aResult is now in |result|, and it will get
// cleaned up when |result| goes out of scope, when this function returns.
}
}
void
nsSMILAnimationFunction::ComposeResult(const nsISMILAttr& aSMILAttr,
nsSMILValue& aResult)
{
mHasChanged = false;
mPrevSampleWasSingleValueAnimation = false;
mWasSkippedInPrevSample = false;
// Skip animations that are inactive or in error
if (!IsActiveOrFrozen() || mErrorFlags != 0)
return;
// Get the animation values
nsSMILValueArray values;
nsresult rv = GetValues(aSMILAttr, values);
if (NS_FAILED(rv))
return;
// Check that we have the right number of keySplines and keyTimes
CheckValueListDependentAttrs(values.Length());
if (mErrorFlags != 0)
return;
// If this interval is active, we must have a non-negative mSampleTime
NS_ABORT_IF_FALSE(mSampleTime >= 0 || !mIsActive,
"Negative sample time for active animation");
NS_ABORT_IF_FALSE(mSimpleDuration.IsResolved() || mLastValue,
"Unresolved simple duration for active or frozen animation");
// If we want to add but don't have a base value then just fail outright.
// This can happen when we skipped getting the base value because there's an
// animation function in the sandwich that should replace it but that function
// failed unexpectedly.
bool isAdditive = IsAdditive();
if (isAdditive && aResult.IsNull())
return;
nsSMILValue result;
if (values.Length() == 1 && !IsToAnimation()) {
// Single-valued animation
result = values[0];
mPrevSampleWasSingleValueAnimation = true;
} else if (mLastValue) {
// Sampling last value
const nsSMILValue& last = values[values.Length() - 1];
result = last;
// See comment in AccumulateResult: to-animation does not accumulate
if (!IsToAnimation() && GetAccumulate() && mRepeatIteration) {
// If the target attribute type doesn't support addition Add will
// fail leaving result = last
result.Add(last, mRepeatIteration);
}
} else {
// Interpolation
if (NS_FAILED(InterpolateResult(values, result, aResult)))
return;
if (NS_FAILED(AccumulateResult(values, result)))
return;
}
// If additive animation isn't required or isn't supported, set the value.
if (!isAdditive || NS_FAILED(aResult.SandwichAdd(result))) {
aResult.Swap(result);
// Note: The old value of aResult is now in |result|, and it will get
// cleaned up when |result| goes out of scope, when this function returns.
}
}
