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Auto merge of #18301 - servo:derive-all-the-things, r=emilio

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Use generics for the vertical-align property

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This commit is contained in:
bors-servo 2017-08-31 09:41:50 -05:00 • committed by GitHub
commit 174c37fddd
13 changed files with 202 additions and 178 deletions
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25
components/style/gecko/conversions.rs
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@ -12,13 +12,14 @@ use app_units::Au;
use gecko::values::{convert_rgba_to_nscolor, GeckoStyleCoordConvertible};
use gecko_bindings::bindings::{Gecko_CreateGradient, Gecko_SetGradientImageValue, Gecko_SetLayerImageImageValue};
use gecko_bindings::bindings::{Gecko_InitializeImageCropRect, Gecko_SetImageElement};
use gecko_bindings::structs::{nsCSSUnit, nsStyleCoord_CalcValue, nsStyleImage};
use gecko_bindings::structs::{nsresult, SheetType};
use gecko_bindings::structs::{self, nsCSSUnit, nsStyleCoord_CalcValue};
use gecko_bindings::structs::{nsStyleImage, nsresult, SheetType};
use gecko_bindings::sugar::ns_style_coord::{CoordDataValue, CoordData, CoordDataMut};
use std::f32::consts::PI;
use stylesheets::{Origin, RulesMutateError};
use values::computed::{Angle, CalcLengthOrPercentage, Gradient, Image};
use values::computed::{LengthOrPercentage, LengthOrPercentageOrAuto, Percentage};
use values::generics::box_::VerticalAlign;
use values::generics::grid::TrackSize;
use values::generics::image::{CompatMode, Image as GenericImage, GradientItem};
use values::generics::rect::Rect;
@ -920,6 +921,26 @@ impl<T> Rect<T> where T: GeckoStyleCoordConvertible {
}
}
impl<L> VerticalAlign<L> {
/// Converts an enumerated value coming from Gecko to a `VerticalAlign<L>`.
pub fn from_gecko_keyword(value: u32) -> Self {
match value {
structs::NS_STYLE_VERTICAL_ALIGN_BASELINE => VerticalAlign::Baseline,
structs::NS_STYLE_VERTICAL_ALIGN_SUB => VerticalAlign::Sub,
structs::NS_STYLE_VERTICAL_ALIGN_SUPER => VerticalAlign::Super,
structs::NS_STYLE_VERTICAL_ALIGN_TOP => VerticalAlign::Top,
structs::NS_STYLE_VERTICAL_ALIGN_TEXT_TOP => VerticalAlign::TextTop,
structs::NS_STYLE_VERTICAL_ALIGN_MIDDLE => VerticalAlign::Middle,
structs::NS_STYLE_VERTICAL_ALIGN_BOTTOM => VerticalAlign::Bottom,
structs::NS_STYLE_VERTICAL_ALIGN_TEXT_BOTTOM => VerticalAlign::TextBottom,
structs::NS_STYLE_VERTICAL_ALIGN_MIDDLE_WITH_BASELINE => {
VerticalAlign::MozMiddleWithBaseline
},
_ => panic!("unexpected enumerated value for vertical-align"),
}
}
}
/// Convert to String from given chars pointer.
pub unsafe fn string_from_chars_pointer(p: *const u16) -> String {
use std::slice;