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layout: Rewrite text and inline fragment handling during flow

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construction to avoid cloning and moving flows so much.

Besides amounting to a 5%-10% win on a page with a lot of text, this
simplifies and refactors the text layout code.
This commit is contained in:
Patrick Walton 2014-10-17 14:45:10 -07:00
parent d8cb901f6a
commit bb6f557276
11 changed files with 341 additions and 322 deletions
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15
components/layout/wrapper.rs
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@ -36,8 +36,9 @@ use util::{LayoutDataAccess, LayoutDataWrapper, PrivateLayoutData, OpaqueNodeMet
use gfx::display_list::OpaqueNode;
use script::dom::bindings::cell::{Ref, RefMut};
use script::dom::bindings::codegen::InheritTypes::{ElementCast, HTMLIFrameElementCast, HTMLImageElementCast};
use script::dom::bindings::codegen::InheritTypes::{HTMLInputElementCast, TextCast};
use script::dom::bindings::codegen::InheritTypes::{ElementCast, HTMLIFrameElementCast};
use script::dom::bindings::codegen::InheritTypes::{HTMLImageElementCast, HTMLInputElementCast};
use script::dom::bindings::codegen::InheritTypes::{TextCast};
use script::dom::bindings::js::JS;
use script::dom::element::{Element, HTMLAreaElementTypeId, HTMLAnchorElementTypeId};
use script::dom::element::{HTMLLinkElementTypeId, LayoutElementHelpers, RawLayoutElementHelpers};
@ -498,6 +499,7 @@ impl<'le> TElement<'le> for LayoutElement<'le> {
}
}
#[inline]
fn get_hover_state(self) -> bool {
unsafe {
self.element.node().get_hover_state_for_layout()
@ -511,18 +513,21 @@ impl<'le> TElement<'le> for LayoutElement<'le> {
}
}
#[inline]
fn get_disabled_state(self) -> bool {
unsafe {
self.element.node().get_disabled_state_for_layout()
}
}
#[inline]
fn get_enabled_state(self) -> bool {
unsafe {
self.element.node().get_enabled_state_for_layout()
}
}
#[inline]
fn has_class(self, name: &Atom) -> bool {
unsafe {
self.element.has_class_for_layout(name)
@ -735,10 +740,12 @@ impl<'ln> ThreadSafeLayoutNode<'ln> {
}
}
#[inline]
pub fn get_pseudo_element_type(&self) -> PseudoElementType {
self.pseudo
}
#[inline]
pub fn get_normal_display(&self) -> display::T {
let mut layout_data_ref = self.mutate_layout_data();
let node_layout_data_wrapper = layout_data_ref.as_mut().unwrap();
@ -746,6 +753,7 @@ impl<'ln> ThreadSafeLayoutNode<'ln> {
style.get_box().display
}
#[inline]
pub fn get_before_display(&self) -> display::T {
let mut layout_data_ref = self.mutate_layout_data();
let node_layout_data_wrapper = layout_data_ref.as_mut().unwrap();
@ -753,6 +761,7 @@ impl<'ln> ThreadSafeLayoutNode<'ln> {
style.get_box().display
}
#[inline]
pub fn get_after_display(&self) -> display::T {
let mut layout_data_ref = self.mutate_layout_data();
let node_layout_data_wrapper = layout_data_ref.as_mut().unwrap();
@ -760,12 +769,14 @@ impl<'ln> ThreadSafeLayoutNode<'ln> {
style.get_box().display
}
#[inline]
pub fn has_before_pseudo(&self) -> bool {
let layout_data_wrapper = self.borrow_layout_data();
let layout_data_wrapper_ref = layout_data_wrapper.as_ref().unwrap();
layout_data_wrapper_ref.data.before_style.is_some()
}
#[inline]
pub fn has_after_pseudo(&self) -> bool {
let layout_data_wrapper = self.borrow_layout_data();
let layout_data_wrapper_ref = layout_data_wrapper.as_ref().unwrap();