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Move stuff of KeyframeEffectReadOnly::ComposeStyleRule in Rust.

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After this, we will implement additive or accumulative calculation
in this Rust function.
This commit is contained in:
Hiroyuki Ikezoe 2017-04-06 10:03:58 +09:00
parent 56dc7294e5
commit 6fe0a0e22e
1 changed files with 42 additions and 0 deletions
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42
ports/geckolib/glue.rs
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@ -39,7 +39,9 @@ use style::gecko_bindings::bindings::{RawServoStyleSheetStrong, ServoComputedVal
use style::gecko_bindings::bindings::{ServoCssRulesBorrowed, ServoCssRulesStrong};
use style::gecko_bindings::bindings::{nsACString, nsAString};
use style::gecko_bindings::bindings::Gecko_AnimationAppendKeyframe;
use style::gecko_bindings::bindings::RawGeckoAnimationPropertySegmentBorrowed;
use style::gecko_bindings::bindings::RawGeckoComputedKeyframeValuesListBorrowedMut;
use style::gecko_bindings::bindings::RawGeckoComputedTimingBorrowed;
use style::gecko_bindings::bindings::RawGeckoElementBorrowed;
use style::gecko_bindings::bindings::RawGeckoFontFaceRuleListBorrowedMut;
use style::gecko_bindings::bindings::RawServoAnimationValueBorrowed;
@ -253,6 +255,46 @@ pub extern "C" fn Servo_AnimationValueMap_Push(value_map: RawServoAnimationValue
value_map.write().insert(property.into(), value.clone());
}
#[no_mangle]
pub extern "C" fn Servo_AnimationCompose(raw_value_map: RawServoAnimationValueMapBorrowed,
property: nsCSSPropertyID,
segment: RawGeckoAnimationPropertySegmentBorrowed,
computed_timing: RawGeckoComputedTimingBorrowed)
{
use style::gecko_bindings::bindings::Gecko_GetPositionInSegment;
use style::gecko_bindings::bindings::Gecko_GetProgressFromComputedTiming;
use style::properties::animated_properties::AnimationValueMap;
let property: TransitionProperty = property.into();
let value_map = RwLock::<AnimationValueMap>::as_arc(&raw_value_map);
let from_value = unsafe { &*segment.mFromValue.mServo.mRawPtr };
let from_value = AnimationValue::as_arc(&from_value).as_ref();
let to_value = unsafe { &*segment.mToValue.mServo.mRawPtr };
let to_value = AnimationValue::as_arc(&to_value).as_ref();
let progress = unsafe { Gecko_GetProgressFromComputedTiming(computed_timing) };
if segment.mToKey == segment.mFromKey {
if progress < 0. {
value_map.write().insert(property, from_value.clone());
} else {
value_map.write().insert(property, to_value.clone());
}
return;
}
let position = unsafe {
Gecko_GetPositionInSegment(segment, progress, computed_timing.mBeforeFlag)
};
if let Ok(value) = from_value.interpolate(to_value, position) {
value_map.write().insert(property, value);
} else if progress < 0.5 {
value_map.write().insert(property, from_value.clone());
} else {
value_map.write().insert(property, to_value.clone());
}
}
macro_rules! get_property_id_from_nscsspropertyid {
($property_id: ident, $ret: expr) => {{
match PropertyId::from_nscsspropertyid($property_id) {