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Add glue for calc values
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36
components/style/gecko_conversions.rs
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36
components/style/gecko_conversions.rs
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@ -0,0 +1,36 @@
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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//! This module contains conversion helpers between Servo and Gecko types
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//! Ideally, it would be in geckolib itself, but coherence
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//! forces us to keep the traits and implementations here
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use app_units::Au;
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use gecko_bindings::structs::nsStyleCoord_CalcValue;
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use values::computed::CalcLengthOrPercentage;
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impl From<CalcLengthOrPercentage> for nsStyleCoord_CalcValue {
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fn from(other: CalcLengthOrPercentage) -> nsStyleCoord_CalcValue {
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let has_percentage = other.percentage.is_some();
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nsStyleCoord_CalcValue {
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mLength: other.length.map(|l| l.0).unwrap_or(0),
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mPercent: other.percentage.unwrap_or(0.0),
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mHasPercent: has_percentage,
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}
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}
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}
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impl From<nsStyleCoord_CalcValue> for CalcLengthOrPercentage {
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fn from(other: nsStyleCoord_CalcValue) -> CalcLengthOrPercentage {
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let percentage = if other.mHasPercent {
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Some(other.mPercent)
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} else {
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None
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};
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CalcLengthOrPercentage {
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length: Some(Au(other.mLength)),
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percentage: percentage,
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}
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}
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}
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@ -80,6 +80,8 @@ pub mod data;
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pub mod dom;
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pub mod element_state;
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pub mod error_reporting;
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#[cfg(feature = "gecko")]
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pub mod gecko_conversions;
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pub mod font_face;
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pub mod keyframes;
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pub mod logical_geometry;
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