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Eliminate HAS_CHANGED in favor of explicit RestyleDamage.

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This commit is contained in:
Bobby Holley 2016-11-14 15:32:35 -08:00
parent f1043f6305
commit b31ed2298c
5 changed files with 18 additions and 36 deletions
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19
components/script/layout_wrapper.rs
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@ -36,7 +36,7 @@ use dom::bindings::js::LayoutJS;
use dom::characterdata::LayoutCharacterDataHelpers;
use dom::document::{Document, LayoutDocumentHelpers, PendingRestyle};
use dom::element::{Element, LayoutElementHelpers, RawLayoutElementHelpers};
use dom::node::{CAN_BE_FRAGMENTED, DIRTY_ON_VIEWPORT_SIZE_CHANGE, HAS_CHANGED, HAS_DIRTY_DESCENDANTS, IS_DIRTY};
use dom::node::{CAN_BE_FRAGMENTED, DIRTY_ON_VIEWPORT_SIZE_CHANGE, HAS_DIRTY_DESCENDANTS, IS_DIRTY};
use dom::node::{LayoutNodeHelpers, Node};
use dom::text::Text;
use gfx_traits::ByteIndex;
@ -62,7 +62,7 @@ use style::computed_values::display;
use style::context::SharedStyleContext;
use style::data::ElementData;
use style::dom::{LayoutIterator, NodeInfo, OpaqueNode, PresentationalHintsSynthetizer, TElement, TNode};
use style::dom::{TRestyleDamage, UnsafeNode};
use style::dom::UnsafeNode;
use style::element_state::*;
use style::properties::{ComputedValues, PropertyDeclarationBlock};
use style::selector_impl::{NonTSPseudoClass, PseudoElement, RestyleDamage, ServoSelectorImpl};
@ -259,12 +259,7 @@ impl<'ln> LayoutNode for ServoLayoutNode<'ln> {
self.get_jsmanaged().take_style_and_layout_data()
}
fn has_changed(&self) -> bool {
unsafe { self.node.get_flag(HAS_CHANGED) }
}
unsafe fn clear_dirty_bits(&self) {
self.node.set_flag(HAS_CHANGED, false);
self.node.set_flag(IS_DIRTY, false);
self.node.set_flag(HAS_DIRTY_DESCENDANTS, false);
}
@ -335,8 +330,8 @@ impl<'ln> ServoLayoutNode<'ln> {
}
fn debug_str(self) -> String {
format!("{:?}: changed={} dirty={} dirty_descendants={}",
self.script_type_id(), self.has_changed(),
format!("{:?}: dirty={} dirty_descendants={}",
self.script_type_id(),
self.as_element().map_or(false, |el| el.deprecated_dirty_bit_is_set()),
self.as_element().map_or(false, |el| el.has_dirty_descendants()))
}
@ -453,7 +448,7 @@ impl<'le> TElement for ServoLayoutElement<'le> {
}
fn set_restyle_damage(self, damage: RestyleDamage) {
self.get_partial_layout_data().unwrap().borrow_mut().restyle_damage = damage;
self.get_partial_layout_data().unwrap().borrow_mut().restyle_damage |= damage;
}
#[inline]
@ -879,9 +874,7 @@ impl<'ln> ThreadSafeLayoutNode for ServoThreadSafeLayoutNode<'ln> {
}
fn restyle_damage(self) -> RestyleDamage {
if self.node.has_changed() {
RestyleDamage::rebuild_and_reflow()
} else if self.is_text_node() {
if self.is_text_node() {
let parent = self.node.parent_node().unwrap().as_element().unwrap();
let parent_data = parent.get_partial_layout_data().unwrap().borrow();
parent_data.restyle_damage