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Auto merge of #14214 - bholley:dirtiness_overhaul, r=emilio

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Overhaul dirtiness handling in Servo to prepare for the new incremental restyle architecture

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This commit is contained in:
bors-servo 2016-11-17 12:25:52 -06:00 • committed by GitHub
commit e4a27c4d16
12 changed files with 192 additions and 183 deletions
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24
components/style/dom.rs
View file

@ -14,7 +14,7 @@ use parking_lot::RwLock;
use properties::{ComputedValues, PropertyDeclarationBlock};
use properties::longhands::display::computed_value as display;
use restyle_hints::{RESTYLE_DESCENDANTS, RESTYLE_LATER_SIBLINGS, RESTYLE_SELF, RestyleHint};
use selector_impl::{ElementExt, PseudoElement, RestyleDamage, Snapshot};
use selector_impl::{ElementExt, PseudoElement, RestyleDamage};
use selector_matching::ApplicableDeclarationBlock;
use sink::Push;
use std::fmt::Debug;
@ -105,8 +105,7 @@ impl<T, I> Iterator for LayoutIterator<T> where T: Iterator<Item=I>, I: NodeInfo
}
pub trait TNode : Sized + Copy + Clone + NodeInfo {
type ConcreteElement: TElement<ConcreteNode = Self, ConcreteDocument = Self::ConcreteDocument>;
type ConcreteDocument: TDocument<ConcreteNode = Self, ConcreteElement = Self::ConcreteElement>;
type ConcreteElement: TElement<ConcreteNode = Self>;
type ConcreteChildrenIterator: Iterator<Item = Self>;
fn to_unsafe(&self) -> UnsafeNode;
@ -130,8 +129,6 @@ pub trait TNode : Sized + Copy + Clone + NodeInfo {
fn as_element(&self) -> Option<Self::ConcreteElement>;
fn as_document(&self) -> Option<Self::ConcreteDocument>;
fn needs_dirty_on_viewport_size_changed(&self) -> bool;
unsafe fn set_dirty_on_viewport_size_changed(&self);
@ -151,28 +148,13 @@ pub trait TNode : Sized + Copy + Clone + NodeInfo {
fn next_sibling(&self) -> Option<Self>;
}
pub trait TDocument : Sized + Copy + Clone {
type ConcreteNode: TNode<ConcreteElement = Self::ConcreteElement, ConcreteDocument = Self>;
type ConcreteElement: TElement<ConcreteNode = Self::ConcreteNode, ConcreteDocument = Self>;
fn as_node(&self) -> Self::ConcreteNode;
fn root_node(&self) -> Option<Self::ConcreteNode>;
fn drain_modified_elements(&self) -> Vec<(Self::ConcreteElement, Snapshot)>;
fn needs_paint_from_layout(&self);
fn will_paint(&self);
}
pub trait PresentationalHintsSynthetizer {
fn synthesize_presentational_hints_for_legacy_attributes<V>(&self, hints: &mut V)
where V: Push<ApplicableDeclarationBlock>;
}
pub trait TElement : PartialEq + Debug + Sized + Copy + Clone + ElementExt + PresentationalHintsSynthetizer {
type ConcreteNode: TNode<ConcreteElement = Self, ConcreteDocument = Self::ConcreteDocument>;
type ConcreteDocument: TDocument<ConcreteNode = Self::ConcreteNode, ConcreteElement = Self>;
type ConcreteNode: TNode<ConcreteElement = Self>;
fn as_node(&self) -> Self::ConcreteNode;

41
components/style/gecko/wrapper.rs
View file

@ -7,22 +7,20 @@
use atomic_refcell::{AtomicRef, AtomicRefCell};
use data::ElementData;
use dom::{LayoutIterator, NodeInfo, TDocument, TElement, TNode, UnsafeNode};
use dom::{LayoutIterator, NodeInfo, TElement, TNode, UnsafeNode};
use dom::{OpaqueNode, PresentationalHintsSynthetizer};
use element_state::ElementState;
use error_reporting::StdoutErrorReporter;
use gecko::restyle_damage::GeckoRestyleDamage;
use gecko::selector_impl::{GeckoSelectorImpl, NonTSPseudoClass, PseudoElement};
use gecko::snapshot::GeckoElementSnapshot;
use gecko::snapshot_helpers;
use gecko_bindings::bindings;
use gecko_bindings::bindings::{Gecko_DropStyleChildrenIterator, Gecko_MaybeCreateStyleChildrenIterator};
use gecko_bindings::bindings::{Gecko_ElementState, Gecko_GetDocumentElement};
use gecko_bindings::bindings::{Gecko_GetLastChild, Gecko_GetNextStyleChild};
use gecko_bindings::bindings::{Gecko_ElementState, Gecko_GetLastChild, Gecko_GetNextStyleChild};
use gecko_bindings::bindings::{Gecko_GetServoDeclarationBlock, Gecko_IsHTMLElementInHTMLDocument};
use gecko_bindings::bindings::{Gecko_IsLink, Gecko_IsRootElement};
use gecko_bindings::bindings::{Gecko_IsUnvisitedLink, Gecko_IsVisitedLink, Gecko_Namespace};
use gecko_bindings::bindings::{RawGeckoDocument, RawGeckoElement, RawGeckoNode};
use gecko_bindings::bindings::{RawGeckoElement, RawGeckoNode};
use gecko_bindings::bindings::Gecko_ClassOrClassList;
use gecko_bindings::bindings::Gecko_GetStyleContext;
use gecko_bindings::bindings::Gecko_SetNodeFlags;
@ -78,7 +76,6 @@ impl<'ln> NodeInfo for GeckoNode<'ln> {
}
impl<'ln> TNode for GeckoNode<'ln> {
type ConcreteDocument = GeckoDocument<'ln>;
type ConcreteElement = GeckoElement<'ln>;
type ConcreteChildrenIterator = GeckoChildrenIterator<'ln>;
@ -137,10 +134,6 @@ impl<'ln> TNode for GeckoNode<'ln> {
}
}
fn as_document(&self) -> Option<GeckoDocument<'ln>> {
unimplemented!()
}
fn can_be_fragmented(&self) -> bool {
// FIXME(SimonSapin): Servo uses this to implement CSS multicol / fragmentation
// Maybe this isn’t useful for Gecko?
@ -218,33 +211,6 @@ impl<'a> Iterator for GeckoChildrenIterator<'a> {
}
}
#[derive(Clone, Copy)]
pub struct GeckoDocument<'ld>(pub &'ld RawGeckoDocument);
impl<'ld> TDocument for GeckoDocument<'ld> {
type ConcreteNode = GeckoNode<'ld>;
type ConcreteElement = GeckoElement<'ld>;
fn as_node(&self) -> GeckoNode<'ld> {
unsafe { GeckoNode(&*(self.0 as *const _ as *const RawGeckoNode)) }
}
fn root_node(&self) -> Option<GeckoNode<'ld>> {
unsafe {
Gecko_GetDocumentElement(self.0).map(|el| GeckoElement(el).as_node())
}
}
fn drain_modified_elements(&self) -> Vec<(GeckoElement<'ld>, GeckoElementSnapshot)> {
unimplemented!()
/*
let elements = unsafe { self.0.drain_modified_elements() };
elements.into_iter().map(|(el, snapshot)| (ServoLayoutElement::from_layout_js(el), snapshot)).collect()*/
}
fn will_paint(&self) { unimplemented!() }
fn needs_paint_from_layout(&self) { unimplemented!() }
}
#[derive(Clone, Copy)]
pub struct GeckoElement<'le>(pub &'le RawGeckoElement);
@ -322,7 +288,6 @@ lazy_static! {
impl<'le> TElement for GeckoElement<'le> {
type ConcreteNode = GeckoNode<'le>;
type ConcreteDocument = GeckoDocument<'le>;
fn as_node(&self) -> Self::ConcreteNode {
unsafe { GeckoNode(&*(self.0 as *const _ as *const RawGeckoNode)) }

5
components/style/servo/restyle_damage.rs
View file

@ -4,6 +4,7 @@
use computed_values::display;
use dom::TRestyleDamage;
use heapsize::HeapSizeOf;
use properties::ServoComputedValues;
use std::fmt;
use std::sync::Arc;
@ -48,6 +49,10 @@ bitflags! {
}
}
impl HeapSizeOf for ServoRestyleDamage {
fn heap_size_of_children(&self) -> usize { 0 }
}
impl TRestyleDamage for ServoRestyleDamage {
/// For Servo the style source is always the computed values.
type PreExistingComputedValues = Arc<ServoComputedValues>;