mirror of
https://github.com/servo/servo.git
synced 2025-06-14 19:34:29 +00:00
08fc7c2795
out-of-flow" and "reconstruct flow" damage bits. This is needed for good performance on the maze solver.
75 lines
2.9 KiB
Rust
75 lines
2.9 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
use util::LayoutDataAccess;
|
|
use wrapper::ThreadSafeLayoutNode;
|
|
use wrapper::{After, Before, Normal};
|
|
|
|
use std::mem;
|
|
use style::ComputedValues;
|
|
use sync::Arc;
|
|
|
|
pub trait NodeUtil {
|
|
fn get_css_select_results<'a>(&'a self) -> &'a Arc<ComputedValues>;
|
|
fn have_css_select_results(&self) -> bool;
|
|
fn remove_css_select_results(self);
|
|
}
|
|
|
|
impl<'ln> NodeUtil for ThreadSafeLayoutNode<'ln> {
|
|
/// Returns the style results for the given node. If CSS selector
|
|
/// matching has not yet been performed, fails.
|
|
#[inline]
|
|
fn get_css_select_results<'a>(&'a self) -> &'a Arc<ComputedValues> {
|
|
unsafe {
|
|
let layout_data_ref = self.borrow_layout_data();
|
|
match self.get_pseudo_element_type() {
|
|
Before(_) => {
|
|
mem::transmute(layout_data_ref.as_ref()
|
|
.unwrap()
|
|
.data
|
|
.before_style
|
|
.as_ref()
|
|
.unwrap())
|
|
}
|
|
After(_) => {
|
|
mem::transmute(layout_data_ref.as_ref()
|
|
.unwrap()
|
|
.data
|
|
.after_style
|
|
.as_ref()
|
|
.unwrap())
|
|
}
|
|
Normal => {
|
|
mem::transmute(layout_data_ref.as_ref()
|
|
.unwrap()
|
|
.shared_data
|
|
.style
|
|
.as_ref()
|
|
.unwrap())
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/// Does this node have a computed style yet?
|
|
fn have_css_select_results(&self) -> bool {
|
|
let layout_data_ref = self.borrow_layout_data();
|
|
layout_data_ref.as_ref().unwrap().shared_data.style.is_some()
|
|
}
|
|
|
|
fn remove_css_select_results(self) {
|
|
let mut layout_data_ref = self.mutate_layout_data();
|
|
let layout_data = layout_data_ref.as_mut().expect("no layout data");
|
|
|
|
let style =
|
|
match self.get_pseudo_element_type() {
|
|
Before(_) => &mut layout_data.data.before_style,
|
|
After (_) => &mut layout_data.data.after_style,
|
|
Normal => &mut layout_data.shared_data.style,
|
|
};
|
|
|
|
*style = None;
|
|
}
|
|
}
|
|
|