static already_AddRefed<nsStyleContext>
CreateStyleContextForAnimationValue(nsCSSPropertyID aProperty,
const StyleAnimationValue& aValue,
nsStyleContext* aBaseStyleContext)
{
MOZ_ASSERT(aBaseStyleContext,
"CreateStyleContextForAnimationValue needs to be called "
"with a valid nsStyleContext");
RefPtr<AnimValuesStyleRule> styleRule = new AnimValuesStyleRule();
styleRule->AddValue(aProperty, aValue);
nsCOMArray<nsIStyleRule> rules;
rules.AppendObject(styleRule);
MOZ_ASSERT(aBaseStyleContext->PresContext()->StyleSet()->IsGecko(),
"ServoStyleSet should not use StyleAnimationValue for animations");
nsStyleSet* styleSet =
aBaseStyleContext->PresContext()->StyleSet()->AsGecko();
RefPtr<nsStyleContext> styleContext =
styleSet->ResolveStyleByAddingRules(aBaseStyleContext, rules);
// We need to call StyleData to generate cached data for the style context.
// Otherwise CalcStyleDifference returns no meaningful result.
styleContext->StyleData(nsCSSProps::kSIDTable[aProperty]);
return styleContext.forget();
}
RefPtr< PropertyLine<Vector2> > PropertyLineYamlReader::CreateVector2PropertyLineFromYamlNode( YamlNode * parentNode, const String & propertyName, RefPtr< PropertyLine<Vector2> > defaultPropertyLine /*= 0*/ )
{
YamlNode * node = parentNode->Get(propertyName);
if (!node)return defaultPropertyLine;
if (node->GetType() == YamlNode::TYPE_STRING)
{
float32 v = node->AsFloat();
return RefPtr< PropertyLine<Vector2> >(new PropertyLineValue<Vector2>(Vector2(v, v)));
}else if (node->GetType() == YamlNode::TYPE_ARRAY)
{
if (node->GetCount() == 2)
{
Vector2 res(1.0f, 1.0f);
res = node->AsPoint();
return RefPtr< PropertyLine<Vector2> >(new PropertyLineValue<Vector2>(res));
}
RefPtr< PropertyLineKeyframes<Vector2> > keyframes (new PropertyLineKeyframes<Vector2>());
for (int k = 0; k < node->GetCount() / 2; ++k)
{
YamlNode * time = node->Get(k * 2);
YamlNode * value = node->Get(k * 2 + 1);
if (time && value)
{
if (value->GetType() == YamlNode::TYPE_ARRAY)
{
keyframes->AddValue(time->AsFloat(), value->AsPoint());
}
else
{
float32 v = value->AsFloat();
keyframes->AddValue(time->AsFloat(), Vector2(v, v));
}
}
}
return keyframes;
}
return RefPtr< PropertyLine<Vector2> >();
}
RefPtr< PropertyLine<Color> > PropertyLineYamlReader::CreateColorPropertyLineFromYamlNode( YamlNode * parentNode, const String & propertyName, RefPtr< PropertyLine<Color> > defaultPropertyLine)
{
YamlNode * node = parentNode->Get(propertyName);
if (!node)return defaultPropertyLine;
if (node->GetType() == YamlNode::TYPE_ARRAY)
{
bool allString = true;
for (int k = 0; k < node->GetCount(); ++k)
if (node->Get(k)->GetType() != YamlNode::TYPE_STRING)
allString = false;
if (allString && node->GetCount() == 4)
{
return RefPtr< PropertyLine<Color> >(new PropertyLineValue<Color>(ColorFromYamlNode(node)));
}else
{
RefPtr< PropertyLineKeyframes<Color> > keyframes (new PropertyLineKeyframes<Color>());
for (int k = 0; k < node->GetCount() / 2; ++k)
{
YamlNode * time = node->Get(k * 2);
YamlNode * value = node->Get(k * 2 + 1);
if (time && value)
{
if (value->GetType() == YamlNode::TYPE_ARRAY)
{
keyframes->AddValue(time->AsFloat(), ColorFromYamlNode(value));
}
}
}
return keyframes;
}
}
return RefPtr< PropertyLine<Color> >();
}
void
KeyframeEffectReadOnly::ComposeStyle(RefPtr<AnimValuesStyleRule>& aStyleRule,
nsCSSPropertyIDSet& aSetProperties)
{
ComputedTiming computedTiming = GetComputedTiming();
mProgressOnLastCompose = computedTiming.mProgress;
// If the progress is null, we don't have fill data for the current
// time so we shouldn't animate.
if (computedTiming.mProgress.IsNull()) {
return;
}
for (size_t propIdx = 0, propEnd = mProperties.Length();
propIdx != propEnd; ++propIdx)
{
const AnimationProperty& prop = mProperties[propIdx];
MOZ_ASSERT(prop.mSegments[0].mFromKey == 0.0, "incorrect first from key");
MOZ_ASSERT(prop.mSegments[prop.mSegments.Length() - 1].mToKey == 1.0,
"incorrect last to key");
if (aSetProperties.HasProperty(prop.mProperty)) {
// Animations are composed by EffectCompositor by iterating
// from the last animation to first. For animations targetting the
// same property, the later one wins. So if this property is already set,
// we should not override it.
continue;
}
if (!prop.mWinsInCascade) {
// This isn't the winning declaration, so don't add it to style.
// For transitions, this is important, because it's how we
// implement the rule that CSS transitions don't run when a CSS
// animation is running on the same property and element. For
// animations, this is only skipping things that will otherwise be
// overridden.
continue;
}
aSetProperties.AddProperty(prop.mProperty);
MOZ_ASSERT(prop.mSegments.Length() > 0,
"property should not be in animations if it has no segments");
// FIXME: Maybe cache the current segment?
const AnimationPropertySegment *segment = prop.mSegments.Elements(),
*segmentEnd = segment + prop.mSegments.Length();
while (segment->mToKey <= computedTiming.mProgress.Value()) {
MOZ_ASSERT(segment->mFromKey <= segment->mToKey, "incorrect keys");
if ((segment+1) == segmentEnd) {
break;
}
++segment;
MOZ_ASSERT(segment->mFromKey == (segment-1)->mToKey, "incorrect keys");
}
MOZ_ASSERT(segment->mFromKey <= segment->mToKey, "incorrect keys");
MOZ_ASSERT(segment >= prop.mSegments.Elements() &&
size_t(segment - prop.mSegments.Elements()) <
prop.mSegments.Length(),
"out of array bounds");
if (!aStyleRule) {
// Allocate the style rule now that we know we have animation data.
aStyleRule = new AnimValuesStyleRule();
}
// Special handling for zero-length segments
if (segment->mToKey == segment->mFromKey) {
if (computedTiming.mProgress.Value() < 0) {
aStyleRule->AddValue(prop.mProperty, segment->mFromValue);
} else {
aStyleRule->AddValue(prop.mProperty, segment->mToValue);
}
continue;
}
double positionInSegment =
(computedTiming.mProgress.Value() - segment->mFromKey) /
(segment->mToKey - segment->mFromKey);
double valuePosition =
ComputedTimingFunction::GetPortion(segment->mTimingFunction,
positionInSegment,
computedTiming.mBeforeFlag);
MOZ_ASSERT(IsFinite(valuePosition), "Position value should be finite");
StyleAnimationValue val;
if (StyleAnimationValue::Interpolate(prop.mProperty,
segment->mFromValue,
segment->mToValue,
valuePosition, val)) {
aStyleRule->AddValue(prop.mProperty, Move(val));
} else if (valuePosition < 0.5) {
aStyleRule->AddValue(prop.mProperty, segment->mFromValue);
} else {
aStyleRule->AddValue(prop.mProperty, segment->mToValue);
}
}
}
void
KeyframeEffectReadOnly::ComposeStyle(
RefPtr<AnimValuesStyleRule>& aStyleRule,
const nsCSSPropertyIDSet& aPropertiesToSkip)
{
ComputedTiming computedTiming = GetComputedTiming();
mProgressOnLastCompose = computedTiming.mProgress;
mCurrentIterationOnLastCompose = computedTiming.mCurrentIteration;
// If the progress is null, we don't have fill data for the current
// time so we shouldn't animate.
if (computedTiming.mProgress.IsNull()) {
return;
}
for (size_t propIdx = 0, propEnd = mProperties.Length();
propIdx != propEnd; ++propIdx)
{
const AnimationProperty& prop = mProperties[propIdx];
MOZ_ASSERT(prop.mSegments[0].mFromKey == 0.0, "incorrect first from key");
MOZ_ASSERT(prop.mSegments[prop.mSegments.Length() - 1].mToKey == 1.0,
"incorrect last to key");
if (aPropertiesToSkip.HasProperty(prop.mProperty)) {
continue;
}
MOZ_ASSERT(prop.mSegments.Length() > 0,
"property should not be in animations if it has no segments");
// FIXME: Maybe cache the current segment?
const AnimationPropertySegment *segment = prop.mSegments.Elements(),
*segmentEnd = segment + prop.mSegments.Length();
while (segment->mToKey <= computedTiming.mProgress.Value()) {
MOZ_ASSERT(segment->mFromKey <= segment->mToKey, "incorrect keys");
if ((segment+1) == segmentEnd) {
break;
}
++segment;
MOZ_ASSERT(segment->mFromKey == (segment-1)->mToKey, "incorrect keys");
}
MOZ_ASSERT(segment->mFromKey <= segment->mToKey, "incorrect keys");
MOZ_ASSERT(segment >= prop.mSegments.Elements() &&
size_t(segment - prop.mSegments.Elements()) <
prop.mSegments.Length(),
"out of array bounds");
if (!aStyleRule) {
// Allocate the style rule now that we know we have animation data.
aStyleRule = new AnimValuesStyleRule();
}
StyleAnimationValue fromValue = segment->mFromValue;
StyleAnimationValue toValue = segment->mToValue;
// Iteration composition for accumulate
if (mEffectOptions.mIterationComposite ==
IterationCompositeOperation::Accumulate &&
computedTiming.mCurrentIteration > 0) {
const AnimationPropertySegment& lastSegment =
prop.mSegments.LastElement();
// FIXME: Bug 1293492: Add a utility function to calculate both of
// below StyleAnimationValues.
DebugOnly<bool> accumulateResult =
StyleAnimationValue::Accumulate(prop.mProperty,
fromValue,
lastSegment.mToValue,
computedTiming.mCurrentIteration);
// We can't check the accumulation result in case of filter property.
// That's because some filter property can't accumulate,
// e.g. 'contrast(2) brightness(2)' onto 'brightness(1) contrast(1)'
// because of mismatch of the order.
MOZ_ASSERT(accumulateResult || prop.mProperty == eCSSProperty_filter,
"could not accumulate value");
accumulateResult =
StyleAnimationValue::Accumulate(prop.mProperty,
toValue,
lastSegment.mToValue,
computedTiming.mCurrentIteration);
MOZ_ASSERT(accumulateResult || prop.mProperty == eCSSProperty_filter,
"could not accumulate value");
}
// Special handling for zero-length segments
if (segment->mToKey == segment->mFromKey) {
if (computedTiming.mProgress.Value() < 0) {
aStyleRule->AddValue(prop.mProperty, Move(fromValue));
} else {
aStyleRule->AddValue(prop.mProperty, Move(toValue));
}
continue;
}
double positionInSegment =
(computedTiming.mProgress.Value() - segment->mFromKey) /
(segment->mToKey - segment->mFromKey);
double valuePosition =
ComputedTimingFunction::GetPortion(segment->mTimingFunction,
positionInSegment,
computedTiming.mBeforeFlag);
MOZ_ASSERT(IsFinite(valuePosition), "Position value should be finite");
StyleAnimationValue val;
if (StyleAnimationValue::Interpolate(prop.mProperty,
fromValue,
toValue,
valuePosition, val)) {
aStyleRule->AddValue(prop.mProperty, Move(val));
} else if (valuePosition < 0.5) {
aStyleRule->AddValue(prop.mProperty, Move(fromValue));
} else {
aStyleRule->AddValue(prop.mProperty, Move(toValue));
}
}
}
RefPtr< PropertyLine<Vector3> > PropertyLineYamlReader::CreateVector3PropertyLineFromYamlNode( YamlNode * parentNode, const String & propertyName, RefPtr< PropertyLine<Vector3> > defaultPropertyLine /*= 0*/ )
{
YamlNode * node = parentNode->Get(propertyName);
if (!node)return defaultPropertyLine;
if (node->GetType() == YamlNode::TYPE_STRING)
{
if(propertyName == "emissionAngle") // for old emissionAngle compatibility
{
Vector3 res(0, 0, 0);
float32 angle = DegToRad(node->AsFloat());
res.x = cosf(angle);
res.y = sinf(angle);
return RefPtr< PropertyLine<Vector3> >(new PropertyLineValue<Vector3>(res));
}
float32 v = node->AsFloat();
return RefPtr< PropertyLine<Vector3> >(new PropertyLineValue<Vector3>(Vector3(v, v, v)));
}
else if (node->GetType() == YamlNode::TYPE_ARRAY)
{
if(node->GetCount() == 2) // for 2D forces compatibility
{
Vector3 res(node->AsVector2());
res.z = 0.0f;
return RefPtr< PropertyLine<Vector3> >(new PropertyLineValue<Vector3>(res));
}
if (node->GetCount() == 3 || node->GetCount() == 2)
{
Vector3 res(0.0f, 0.0f, 0.0f);
res = node->AsVector3();
return RefPtr< PropertyLine<Vector3> >(new PropertyLineValue<Vector3>(res));
}
RefPtr< PropertyLineKeyframes<Vector3> > keyframes (new PropertyLineKeyframes<Vector3>());
for (int k = 0; k < node->GetCount() / 2; ++k)
{
YamlNode * time = node->Get(k * 2);
YamlNode * value = node->Get(k * 2 + 1);
if (time && value)
{
if (value->GetType() == YamlNode::TYPE_ARRAY)
{
keyframes->AddValue(time->AsFloat(), value->AsVector3());
}
else
{
Vector3 v = value->AsVector3();
if(propertyName == "emissionAngle") // for old emissionAngle compatibility
{
float32 angle = DegToRad(value->AsFloat());
v.x = cosf(angle);
v.y = sinf(angle);
v.z = 0.0f;
}
keyframes->AddValue(time->AsFloat(), v);
}
}
}
return keyframes;
}
return RefPtr< PropertyLine<Vector3> >();
}