void KeyframeEffectModelBase::ensureKeyframeGroups() const
{
if (m_keyframeGroups)
return;
m_keyframeGroups = adoptPtrWillBeNoop(new KeyframeGroupMap);
const KeyframeVector keyframes = normalizedKeyframes(getFrames());
for (KeyframeVector::const_iterator keyframeIter = keyframes.begin(); keyframeIter != keyframes.end(); ++keyframeIter) {
const Keyframe* keyframe = keyframeIter->get();
PropertySet keyframeProperties = keyframe->properties();
for (PropertySet::const_iterator propertyIter = keyframeProperties.begin(); propertyIter != keyframeProperties.end(); ++propertyIter) {
CSSPropertyID property = *propertyIter;
ASSERT_WITH_MESSAGE(!isExpandedShorthand(property), "Web Animations: Encountered shorthand CSS property (%d) in normalized keyframes.", property);
KeyframeGroupMap::iterator groupIter = m_keyframeGroups->find(property);
PropertySpecificKeyframeGroup* group;
if (groupIter == m_keyframeGroups->end())
group = m_keyframeGroups->add(property, adoptPtrWillBeNoop(new PropertySpecificKeyframeGroup)).storedValue->value.get();
else
group = groupIter->value.get();
group->appendKeyframe(keyframe->createPropertySpecificKeyframe(property));
}
}
// Add synthetic keyframes.
for (KeyframeGroupMap::iterator iter = m_keyframeGroups->begin(); iter != m_keyframeGroups->end(); ++iter) {
iter->value->addSyntheticKeyframeIfRequired(this);
iter->value->removeRedundantKeyframes();
}
}
void KeyframeEffectModelBase::ensureKeyframeGroups() const
{
if (m_keyframeGroups)
return;
m_keyframeGroups = adoptPtr(new KeyframeGroupMap);
RefPtr<TimingFunction> zeroOffsetEasing = m_defaultKeyframeEasing;
for (const auto& keyframe : normalizedKeyframes(getFrames())) {
if (keyframe->offset() == 0)
zeroOffsetEasing = &keyframe->easing();
for (const PropertyHandle& property : keyframe->properties()) {
KeyframeGroupMap::iterator groupIter = m_keyframeGroups->find(property);
PropertySpecificKeyframeGroup* group;
if (groupIter == m_keyframeGroups->end())
group = m_keyframeGroups->add(property, adoptPtr(new PropertySpecificKeyframeGroup)).storedValue->value.get();
else
group = groupIter->value.get();
group->appendKeyframe(keyframe->createPropertySpecificKeyframe(property));
}
}
// Add synthetic keyframes.
m_hasSyntheticKeyframes = false;
for (const auto& entry : *m_keyframeGroups) {
if (entry.value->addSyntheticKeyframeIfRequired(zeroOffsetEasing))
m_hasSyntheticKeyframes = true;
entry.value->removeRedundantKeyframes();
}
}
TEST_F(KeyframeEffectModelTest, EvenlyDistributed3)
{
KeyframeVector keyframes(12);
keyframes[0] = AnimatableValueKeyframe::create();
keyframes[0]->setOffset(0);
keyframes[1] = AnimatableValueKeyframe::create();
keyframes[2] = AnimatableValueKeyframe::create();
keyframes[3] = AnimatableValueKeyframe::create();
keyframes[4] = AnimatableValueKeyframe::create();
keyframes[4]->setOffset(0.5);
keyframes[5] = AnimatableValueKeyframe::create();
keyframes[6] = AnimatableValueKeyframe::create();
keyframes[7] = AnimatableValueKeyframe::create();
keyframes[7]->setOffset(0.8);
keyframes[8] = AnimatableValueKeyframe::create();
keyframes[9] = AnimatableValueKeyframe::create();
keyframes[10] = AnimatableValueKeyframe::create();
keyframes[11] = AnimatableValueKeyframe::create();
const KeyframeVector result = normalizedKeyframes(keyframes);
EXPECT_EQ(12U, result.size());
EXPECT_DOUBLE_EQ(0.0, result[0]->offset());
EXPECT_DOUBLE_EQ(0.125, result[1]->offset());
EXPECT_DOUBLE_EQ(0.25, result[2]->offset());
EXPECT_DOUBLE_EQ(0.375, result[3]->offset());
EXPECT_DOUBLE_EQ(0.5, result[4]->offset());
EXPECT_DOUBLE_EQ(0.6, result[5]->offset());
EXPECT_DOUBLE_EQ(0.7, result[6]->offset());
EXPECT_DOUBLE_EQ(0.8, result[7]->offset());
EXPECT_DOUBLE_EQ(0.85, result[8]->offset());
EXPECT_DOUBLE_EQ(0.9, result[9]->offset());
EXPECT_DOUBLE_EQ(0.95, result[10]->offset());
EXPECT_DOUBLE_EQ(1.0, result[11]->offset());
}
TEST_F(KeyframeEffectModelTest, LastOne)
{
KeyframeEffectModel::KeyframeVector keyframes(3);
keyframes[0] = Keyframe::create();
keyframes[0]->setOffset(-1);
keyframes[1] = Keyframe::create();
keyframes[2] = Keyframe::create();
keyframes[2]->setOffset(2);
const KeyframeVector result = normalizedKeyframes(keyframes);
EXPECT_EQ(1U, result.size());
EXPECT_DOUBLE_EQ(1.0, result[0]->offset());
}
TEST_F(KeyframeEffectModelTest, NotLooselySorted)
{
KeyframeEffectModel::KeyframeVector keyframes(4);
keyframes[0] = Keyframe::create();
keyframes[1] = Keyframe::create();
keyframes[1]->setOffset(9);
keyframes[2] = Keyframe::create();
keyframes[3] = Keyframe::create();
keyframes[3]->setOffset(1);
const KeyframeVector result = normalizedKeyframes(keyframes);
EXPECT_EQ(0U, result.size());
}
TEST_F(KeyframeEffectModelTest, FirstZero)
{
KeyframeEffectModel::KeyframeVector keyframes(3);
keyframes[0] = Keyframe::create();
keyframes[0]->setOffset(-1);
keyframes[1] = Keyframe::create();
keyframes[2] = Keyframe::create();
keyframes[2]->setOffset(0.25);
const KeyframeVector result = normalizedKeyframes(keyframes);
EXPECT_EQ(2U, result.size());
EXPECT_DOUBLE_EQ(0.0, result[0]->offset());
EXPECT_DOUBLE_EQ(0.25, result[1]->offset());
}
TEST_F(KeyframeEffectModelTest, EvenlyDistributed1)
{
KeyframeVector keyframes(5);
keyframes[0] = AnimatableValueKeyframe::create();
keyframes[0]->setOffset(0.125);
keyframes[1] = AnimatableValueKeyframe::create();
keyframes[2] = AnimatableValueKeyframe::create();
keyframes[3] = AnimatableValueKeyframe::create();
keyframes[4] = AnimatableValueKeyframe::create();
keyframes[4]->setOffset(0.625);
const KeyframeVector result = normalizedKeyframes(keyframes);
EXPECT_EQ(5U, result.size());
EXPECT_DOUBLE_EQ(0.125, result[0]->offset());
EXPECT_DOUBLE_EQ(0.25, result[1]->offset());
EXPECT_DOUBLE_EQ(0.375, result[2]->offset());
EXPECT_DOUBLE_EQ(0.5, result[3]->offset());
EXPECT_DOUBLE_EQ(0.625, result[4]->offset());
}
TEST_F(KeyframeEffectModelTest, EvenlyDistributed2)
{
KeyframeEffectModel::KeyframeVector keyframes(8);
keyframes[0] = Keyframe::create();
keyframes[0]->setOffset(-0.1);
keyframes[1] = Keyframe::create();
keyframes[2] = Keyframe::create();
keyframes[3] = Keyframe::create();
keyframes[4] = Keyframe::create();
keyframes[4]->setOffset(0.75);
keyframes[5] = Keyframe::create();
keyframes[6] = Keyframe::create();
keyframes[7] = Keyframe::create();
keyframes[7]->setOffset(1.1);
const KeyframeVector result = normalizedKeyframes(keyframes);
EXPECT_EQ(6U, result.size());
EXPECT_DOUBLE_EQ(0.0, result[0]->offset());
EXPECT_DOUBLE_EQ(0.25, result[1]->offset());
EXPECT_DOUBLE_EQ(0.5, result[2]->offset());
EXPECT_DOUBLE_EQ(0.75, result[3]->offset());
EXPECT_DOUBLE_EQ(0.875, result[4]->offset());
EXPECT_DOUBLE_EQ(1.0, result[5]->offset());
}