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Add FFI for getting the zero value of an animation value

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This commit is contained in:
Brian Birtles 2017-06-05 12:03:38 +09:00
parent e48f94cbda
commit 34556f7769
2 changed files with 18 additions and 0 deletions
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5
components/style/gecko/generated/bindings.rs
View file

@ -2185,6 +2185,11 @@ extern "C" {
RawServoAnimationValueBorrowed)
-> bool;
}
extern "C" {
pub fn Servo_AnimationValues_GetZeroValue(value_to_match:
RawServoAnimationValueBorrowed)
-> RawServoAnimationValueStrong;
}
extern "C" {
pub fn Servo_AnimationValues_ComputeDistance(from:
RawServoAnimationValueBorrowed,

13
ports/geckolib/glue.rs
View file

@ -313,6 +313,19 @@ pub extern "C" fn Servo_AnimationValues_IsInterpolable(from: RawServoAnimationVa
from_value.interpolate(to_value, 0.5).is_ok()
}
#[no_mangle]
pub extern "C" fn Servo_AnimationValues_GetZeroValue(
value_to_match: RawServoAnimationValueBorrowed)
-> RawServoAnimationValueStrong
{
let value_to_match = AnimationValue::as_arc(&value_to_match);
if let Some(zero_value) = value_to_match.get_zero_value() {
Arc::new(zero_value).into_strong()
} else {
RawServoAnimationValueStrong::null()
}
}
#[no_mangle]
pub extern "C" fn Servo_AnimationValues_ComputeDistance(from: RawServoAnimationValueBorrowed,
to: RawServoAnimationValueBorrowed)