void AndroidOpacityAnimation::applyForProgress(LayerAndroid* layer, float progress)
{
// First, we need to get the from and to values
int from, to;
pickValues(progress, &from, &to);
FloatAnimationValue* fromValue = (FloatAnimationValue*) m_operations->at(from);
FloatAnimationValue* toValue = (FloatAnimationValue*) m_operations->at(to);
ALOGV("[layer %d] opacity fromValue %x, key %.2f, toValue %x, key %.2f for progress %.2f",
layer->uniqueId(),
fromValue, fromValue->keyTime(),
toValue, toValue->keyTime(), progress);
// We now have the correct two values to work with, let's compute the
// progress value
const TimingFunction* timingFunction = fromValue->timingFunction();
progress = applyTimingFunction(fromValue->keyTime(), toValue->keyTime(),
progress, timingFunction);
float value = fromValue->value() + ((toValue->value() - fromValue->value()) * progress);
layer->setOpacity(value);
}
bool GraphicsLayerAndroid::createAnimationFromKeyframes(const KeyframeValueList& valueList,
const Animation* animation, const String& keyframesName, double beginTime)
{
bool isKeyframe = valueList.size() > 2;
TLOG("createAnimationFromKeyframes(%d), name(%s) beginTime(%.2f)",
isKeyframe, keyframesName.latin1().data(), beginTime);
switch (valueList.property()) {
case AnimatedPropertyInvalid: break;
case AnimatedPropertyWebkitTransform: break;
case AnimatedPropertyBackgroundColor: break;
case AnimatedPropertyOpacity: {
MLOG("ANIMATEDPROPERTYOPACITY");
KeyframeValueList* operationsList = new KeyframeValueList(AnimatedPropertyOpacity);
for (unsigned int i = 0; i < valueList.size(); i++) {
FloatAnimationValue* originalValue = (FloatAnimationValue*)valueList.at(i);
PassRefPtr<TimingFunction> timingFunction(const_cast<TimingFunction*>(originalValue->timingFunction()));
FloatAnimationValue* value = new FloatAnimationValue(originalValue->keyTime(),
originalValue->value(),
timingFunction);
operationsList->insert(value);
}
RefPtr<AndroidOpacityAnimation> anim = AndroidOpacityAnimation::create(animation,
operationsList,
beginTime);
if (keyframesName.isEmpty())
anim->setName(propertyIdToString(valueList.property()));
else
anim->setName(keyframesName);
m_contentLayer->addAnimation(anim.release());
needsNotifyClient();
return true;
} break;
}
return false;
}