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Bug 1317209 - Part 1: Implement uncompute FFI. r=manishearth

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This commit is contained in:
Boris Chiou 2017-01-24 15:20:44 +08:00
parent 231481570e
commit 4f0791a94b
5 changed files with 36 additions and 0 deletions
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19
ports/geckolib/glue.rs
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@ -39,6 +39,7 @@ use style::gecko_bindings::bindings::RawGeckoAnimationValueListBorrowedMut;
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::RawServoImportRuleBorrowed;
use style::gecko_bindings::bindings::ServoComputedValuesBorrowedOrNull;
use style::gecko_bindings::bindings::nsTArrayBorrowed_uintptr_t;
@ -160,6 +161,24 @@ pub extern "C" fn Servo_TraverseSubtree(root: RawGeckoElementBorrowed,
behavior == structs::TraversalRootBehavior::UnstyledChildrenOnly);
}
#[no_mangle]
pub extern "C" fn Servo_AnimationValues_Uncompute(value: RawServoAnimationValueBorrowedListBorrowed)
-> RawServoDeclarationBlockStrong
{
let uncomputed_values = value.into_iter()
.map(|v| {
let raw_anim = unsafe { v.as_ref().unwrap() };
let anim = AnimationValue::as_arc(&raw_anim);
(anim.uncompute(), Importance::Normal)
})
.collect();
Arc::new(RwLock::new(PropertyDeclarationBlock {
declarations: uncomputed_values,
important_count: 0,
})).into_strong()
}
/// Takes a ServoAnimationValues and populates it with the animation values corresponding
/// to a given property declaration block
#[no_mangle]