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Auto merge of #5940 - pcwalton:inline-margins, r=glennw

Browse source 
Improves the Google SERPs.

r? @glennw

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This commit is contained in:
bors-servo 2015-05-07 19:10:31 -05:00
commit 0872ed922f
10 changed files with 190 additions and 57 deletions
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82
components/style/properties.mako.rs
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@ -15,12 +15,11 @@ use std::hash::{Hash, Hasher};
use std::sync::Arc;
use util::fnv::FnvHasher;
use util::logical_geometry::{WritingMode, LogicalMargin};
use util::logical_geometry::{LogicalMargin, PhysicalSide, WritingMode};
use util::geometry::Au;
use url::Url;
use cssparser::{Parser, Color, RGBA, AtRuleParser, DeclarationParser,
DeclarationListParser, parse_important, ToCss};
use geom::num::Zero;
use geom::SideOffsets2D;
use geom::size::Size2D;
@ -5723,21 +5722,78 @@ pub fn modify_style_for_replaced_content(style: &mut Arc<ComputedValues>) {
style.box_.make_unique().vertical_align =
longhands::vertical_align::computed_value::T::baseline
}
// Reset margins.
if style.margin.margin_top != computed::LengthOrPercentageOrAuto::Length(Au(0)) ||
style.margin.margin_left != computed::LengthOrPercentageOrAuto::Length(Au(0)) ||
style.margin.margin_bottom != computed::LengthOrPercentageOrAuto::Length(Au(0)) ||
style.margin.margin_right != computed::LengthOrPercentageOrAuto::Length(Au(0)) {
let mut style = style.make_unique();
let margin = style.margin.make_unique();
margin.margin_top = computed::LengthOrPercentageOrAuto::Length(Au(0));
margin.margin_left = computed::LengthOrPercentageOrAuto::Length(Au(0));
margin.margin_bottom = computed::LengthOrPercentageOrAuto::Length(Au(0));
margin.margin_right = computed::LengthOrPercentageOrAuto::Length(Au(0));
}
}
/// Sets `border_${side}_width` to the passed in values.
/// If `border_${side}_width` == 0 also sets `border_${side}_style` = none.
/// Adjusts borders, padding, and margins as appropriate to account for a fragment's status as the
/// first or last fragment within the range of an element.
///
/// Specifically, this function sets border/padding/margin widths to zero on the sides for which
/// the fragment is not outermost.
#[inline]
pub fn make_border(style: &ComputedValues, border_width: LogicalMargin<Au>) -> ComputedValues {
let mut style = (*style).clone();
let physical_border = LogicalMargin::to_physical(&border_width, style.writing_mode);
% for side in ["top", "right", "bottom", "left"]:
style.border.make_unique().border_${side}_width = physical_border.${side};
if physical_border.${side} == Zero::zero() {
style.border.make_unique().border_${side}_style = BorderStyle::none;
pub fn modify_style_for_inline_sides(style: &mut Arc<ComputedValues>,
is_first_fragment_of_element: bool,
is_last_fragment_of_element: bool) {
fn modify_side(style: &mut Arc<ComputedValues>, side: PhysicalSide) {
let mut style = style.make_unique();
let border = style.border.make_unique();
match side {
PhysicalSide::Left => {
border.border_left_width = Au(0);
border.border_left_style = BorderStyle::none;
style.padding.make_unique().padding_left =
computed::LengthOrPercentage::Length(Au(0));
style.margin.make_unique().margin_left =
computed::LengthOrPercentageOrAuto::Length(Au(0))
}
PhysicalSide::Right => {
border.border_right_width = Au(0);
border.border_right_style = BorderStyle::none;
style.padding.make_unique().padding_right =
computed::LengthOrPercentage::Length(Au(0));
style.margin.make_unique().margin_right =
computed::LengthOrPercentageOrAuto::Length(Au(0))
}
PhysicalSide::Bottom => {
border.border_bottom_width = Au(0);
border.border_bottom_style = BorderStyle::none;
style.padding.make_unique().padding_bottom =
computed::LengthOrPercentage::Length(Au(0));
style.margin.make_unique().margin_bottom =
computed::LengthOrPercentageOrAuto::Length(Au(0))
}
PhysicalSide::Top => {
border.border_top_width = Au(0);
border.border_top_style = BorderStyle::none;
style.padding.make_unique().padding_top =
computed::LengthOrPercentage::Length(Au(0));
style.margin.make_unique().margin_top =
computed::LengthOrPercentageOrAuto::Length(Au(0))
}
}
% endfor
style
}
if !is_first_fragment_of_element {
let side = style.writing_mode.inline_start_physical_side();
modify_side(style, side)
}
if !is_last_fragment_of_element {
let side = style.writing_mode.inline_end_physical_side();
modify_side(style, side)
}
}
pub fn is_supported_property(property: &str) -> bool {