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Only restyle viewport-relative nodes on viewport size change

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This commit is contained in:
Shing Lyu 2016-06-22 16:44:04 +08:00
parent e7a55ae55e
commit f754cacbd5
28 changed files with 515 additions and 11 deletions
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82
components/style/properties/longhand/effects.mako.rs
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@ -16,6 +16,7 @@ ${helpers.predefined_type("opacity",
use cssparser::{self, ToCss};
use std::fmt;
use values::LocalToCss;
use values::HasViewportPercentage;
#[derive(Debug, Clone, PartialEq)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
@ -28,6 +29,15 @@ ${helpers.predefined_type("opacity",
pub inset: bool,
}
impl HasViewportPercentage for SpecifiedValue {
fn has_viewport_percentage(&self) -> bool {
self.offset_x.has_viewport_percentage() ||
self.offset_y.has_viewport_percentage() ||
self.blur_radius.has_viewport_percentage() ||
self.spread_radius.has_viewport_percentage()
}
}
impl ToCss for SpecifiedValue {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
if self.inset {
@ -169,6 +179,7 @@ ${helpers.predefined_type("opacity",
use cssparser::ToCss;
use std::fmt;
use values::LocalToCss;
use values::HasViewportPercentage;
// NB: `top` and `left` are 0 if `auto` per CSS 2.1 11.1.2.
@ -219,6 +230,15 @@ ${helpers.predefined_type("opacity",
}
}
impl HasViewportPercentage for SpecifiedClipRect {
fn has_viewport_percentage(&self) -> bool {
self.top.has_viewport_percentage() ||
self.right.map_or(false, |x| x.has_viewport_percentage()) ||
self.bottom.map_or(false, |x| x.has_viewport_percentage()) ||
self.left.has_viewport_percentage()
}
}
#[derive(Clone, Debug, PartialEq, Copy)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
pub struct SpecifiedClipRect {
@ -228,6 +248,13 @@ ${helpers.predefined_type("opacity",
pub left: specified::Length,
}
impl HasViewportPercentage for SpecifiedValue {
fn has_viewport_percentage(&self) -> bool {
let &SpecifiedValue(clip) = self;
clip.map_or(false, |x| x.has_viewport_percentage())
}
}
#[derive(Clone, Debug, PartialEq, Copy)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
pub struct SpecifiedValue(Option<SpecifiedClipRect>);
@ -343,12 +370,29 @@ ${helpers.predefined_type("opacity",
use std::fmt;
use values::LocalToCss;
use values::CSSFloat;
use values::HasViewportPercentage;
use values::specified::{Angle, Length};
impl HasViewportPercentage for SpecifiedValue {
fn has_viewport_percentage(&self) -> bool {
let &SpecifiedValue(ref vec) = self;
vec.iter().any(|ref x| x.has_viewport_percentage())
}
}
#[derive(Debug, Clone, PartialEq)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
pub struct SpecifiedValue(Vec<SpecifiedFilter>);
impl HasViewportPercentage for SpecifiedFilter {
fn has_viewport_percentage(&self) -> bool {
match *self {
SpecifiedFilter::Blur(length) => length.has_viewport_percentage(),
_ => false
}
}
}
// TODO(pcwalton): `drop-shadow`
#[derive(Clone, PartialEq, Debug)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
@ -576,6 +620,7 @@ ${helpers.predefined_type("opacity",
<%helpers:longhand name="transform" animatable="True">
use app_units::Au;
use values::CSSFloat;
use values::HasViewportPercentage;
use cssparser::ToCss;
use std::fmt;
@ -684,6 +729,20 @@ ${helpers.predefined_type("opacity",
}
}
impl HasViewportPercentage for SpecifiedOperation {
fn has_viewport_percentage(&self) -> bool {
match *self {
SpecifiedOperation::Translate(_, l1, l2, l3) => {
l1.has_viewport_percentage() ||
l2.has_viewport_percentage() ||
l3.has_viewport_percentage()
},
SpecifiedOperation::Perspective(length) => length.has_viewport_percentage(),
_ => false
}
}
}
impl ToCss for SpecifiedOperation {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
match *self {
@ -743,6 +802,13 @@ ${helpers.predefined_type("opacity",
}
}
impl HasViewportPercentage for SpecifiedValue {
fn has_viewport_percentage(&self) -> bool {
let &SpecifiedValue(ref specified_ops) = self;
specified_ops.iter().any(|ref x| x.has_viewport_percentage())
}
}
#[derive(Clone, Debug, PartialEq)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
pub struct SpecifiedValue(Vec<SpecifiedOperation>);
@ -1133,6 +1199,7 @@ ${helpers.single_keyword("transform-style",
<%helpers:longhand name="transform-origin" animatable="True">
use app_units::Au;
use values::LocalToCss;
use values::HasViewportPercentage;
use values::specified::{Length, LengthOrPercentage, Percentage};
use cssparser::ToCss;
@ -1150,6 +1217,14 @@ ${helpers.single_keyword("transform-style",
}
}
impl HasViewportPercentage for SpecifiedValue {
fn has_viewport_percentage(&self) -> bool {
self.horizontal.has_viewport_percentage() ||
self.vertical.has_viewport_percentage() ||
self.depth.has_viewport_percentage()
}
}
#[derive(Clone, Copy, Debug, PartialEq)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
pub struct SpecifiedValue {
@ -1217,6 +1292,7 @@ ${helpers.predefined_type("perspective",
// FIXME: This prop should be animatable
<%helpers:longhand name="perspective-origin" animatable="False">
use values::HasViewportPercentage;
use values::specified::{LengthOrPercentage, Percentage};
use cssparser::ToCss;
@ -1241,6 +1317,12 @@ ${helpers.predefined_type("perspective",
}
}
impl HasViewportPercentage for SpecifiedValue {
fn has_viewport_percentage(&self) -> bool {
self.horizontal.has_viewport_percentage() || self.vertical.has_viewport_percentage()
}
}
#[derive(Clone, Copy, Debug, PartialEq)]
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
pub struct SpecifiedValue {