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Bug 1317209 - Part 2: Implement interpolate FFI. r=manishearth

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This commit is contained in:
Boris Chiou 2017-01-24 15:22:52 +08:00
parent 4f0791a94b
commit 1f1c67f485
2 changed files with 23 additions and 1 deletions
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6
components/style/gecko_bindings/bindings.rs
View file

@ -1220,6 +1220,12 @@ extern "C" {
ServoComputedValuesBorrowed)
-> ServoComputedValuesStrong;
}
extern "C" {
pub fn Servo_AnimationValues_Interpolate(from: RawServoAnimationValueBorrowed,
to: RawServoAnimationValueBorrowed,
progress: f64)
-> RawServoAnimationValueStrong;
}
extern "C" {
pub fn Servo_AnimationValues_Uncompute(value: RawServoAnimationValueBorrowedListBorrowed)
-> RawServoDeclarationBlockStrong;

18
ports/geckolib/glue.rs
View file

@ -40,6 +40,7 @@ use style::gecko_bindings::bindings::RawGeckoElementBorrowed;
use style::gecko_bindings::bindings::RawGeckoPresContextBorrowed;
use style::gecko_bindings::bindings::RawServoAnimationValueBorrowed;
use style::gecko_bindings::bindings::RawServoAnimationValueBorrowedListBorrowed;
use style::gecko_bindings::bindings::RawServoAnimationValueStrong;
use style::gecko_bindings::bindings::RawServoImportRuleBorrowed;
use style::gecko_bindings::bindings::ServoComputedValuesBorrowedOrNull;
use style::gecko_bindings::bindings::nsTArrayBorrowed_uintptr_t;
@ -59,7 +60,7 @@ use style::parser::{ParserContext, ParserContextExtraData};
use style::properties::{CascadeFlags, ComputedValues, Importance, PropertyDeclaration};
use style::properties::{PropertyDeclarationParseResult, PropertyDeclarationBlock, PropertyId};
use style::properties::{apply_declarations, parse_one_declaration};
use style::properties::animated_properties::AnimationValue;
use style::properties::animated_properties::{AnimationValue, Interpolate};
use style::restyle_hints::RestyleHint;
use style::selector_parser::PseudoElementCascadeType;
use style::sequential;
@ -161,6 +162,21 @@ pub extern "C" fn Servo_TraverseSubtree(root: RawGeckoElementBorrowed,
behavior == structs::TraversalRootBehavior::UnstyledChildrenOnly);
}
#[no_mangle]
pub extern "C" fn Servo_AnimationValues_Interpolate(from: RawServoAnimationValueBorrowed,
to: RawServoAnimationValueBorrowed,
progress: f64)
-> RawServoAnimationValueStrong
{
let from_value = AnimationValue::as_arc(&from);
let to_value = AnimationValue::as_arc(&to);
if let Ok(value) = from_value.interpolate(to_value, progress) {
Arc::new(value).into_strong()
} else {
RawServoAnimationValueStrong::null()
}
}
#[no_mangle]
pub extern "C" fn Servo_AnimationValues_Uncompute(value: RawServoAnimationValueBorrowedListBorrowed)
-> RawServoDeclarationBlockStrong