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Remove TDocument from the style and layout crates.

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The style system never actually does anything with the document. This allows us
to remove a bunch of stubbing on the Gecko side and streamline some things on
the Servo side in future patches.
This commit is contained in:
Bobby Holley 2016-11-14 12:05:17 -08:00
parent b7eb36fa84
commit dda2928386
6 changed files with 22 additions and 88 deletions
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33
components/script/layout_wrapper.rs
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@ -46,7 +46,7 @@ use parking_lot::RwLock;
use range::Range;
use script_layout_interface::{HTMLCanvasData, LayoutNodeType, SVGSVGData, TrustedNodeAddress};
use script_layout_interface::{OpaqueStyleAndLayoutData, PartialPersistentLayoutData};
use script_layout_interface::wrapper_traits::{DangerousThreadSafeLayoutNode, GetLayoutData, LayoutElement, LayoutNode};
use script_layout_interface::wrapper_traits::{DangerousThreadSafeLayoutNode, GetLayoutData, LayoutNode};
use script_layout_interface::wrapper_traits::{PseudoElementType, ThreadSafeLayoutElement, ThreadSafeLayoutNode};
use selectors::matching::ElementFlags;
use selectors::parser::{AttrSelector, NamespaceConstraint};
@ -61,7 +61,7 @@ use style::attr::AttrValue;
use style::computed_values::display;
use style::context::SharedStyleContext;
use style::data::ElementData;
use style::dom::{LayoutIterator, NodeInfo, OpaqueNode, PresentationalHintsSynthetizer, TDocument, TElement, TNode};
use style::dom::{LayoutIterator, NodeInfo, OpaqueNode, PresentationalHintsSynthetizer, TElement, TNode};
use style::dom::{TRestyleDamage, UnsafeNode};
use style::element_state::*;
use style::properties::{ComputedValues, PropertyDeclarationBlock};
@ -112,6 +112,10 @@ impl<'ln> ServoLayoutNode<'ln> {
self.node.type_id_for_layout()
}
}
pub fn as_document(&self) -> Option<ServoLayoutDocument<'ln>> {
self.node.downcast().map(ServoLayoutDocument::from_layout_js)
}
}
impl<'ln> NodeInfo for ServoLayoutNode<'ln> {
@ -128,7 +132,6 @@ impl<'ln> NodeInfo for ServoLayoutNode<'ln> {
impl<'ln> TNode for ServoLayoutNode<'ln> {
type ConcreteElement = ServoLayoutElement<'ln>;
type ConcreteDocument = ServoLayoutDocument<'ln>;
type ConcreteChildrenIterator = ServoChildrenIterator<'ln>;
fn to_unsafe(&self) -> UnsafeNode {
@ -177,10 +180,6 @@ impl<'ln> TNode for ServoLayoutNode<'ln> {
as_element(self.node)
}
fn as_document(&self) -> Option<ServoLayoutDocument<'ln>> {
self.node.downcast().map(ServoLayoutDocument::from_layout_js)
}
fn needs_dirty_on_viewport_size_changed(&self) -> bool {
unsafe { self.node.get_flag(DIRTY_ON_VIEWPORT_SIZE_CHANGE) }
}
@ -369,34 +368,29 @@ pub struct ServoLayoutDocument<'ld> {
chain: PhantomData<&'ld ()>,
}
impl<'ld> TDocument for ServoLayoutDocument<'ld> {
type ConcreteNode = ServoLayoutNode<'ld>;
type ConcreteElement = ServoLayoutElement<'ld>;
impl<'ld> ServoLayoutDocument<'ld> {
fn as_node(&self) -> ServoLayoutNode<'ld> {
ServoLayoutNode::from_layout_js(self.document.upcast())
}
fn root_node(&self) -> Option<ServoLayoutNode<'ld>> {
pub fn root_node(&self) -> Option<ServoLayoutNode<'ld>> {
self.as_node().children().find(ServoLayoutNode::is_element)
}
fn drain_modified_elements(&self) -> Vec<(ServoLayoutElement<'ld>, Snapshot)> {
pub fn drain_modified_elements(&self) -> Vec<(ServoLayoutElement<'ld>, Snapshot)> {
let elements = unsafe { self.document.drain_modified_elements() };
elements.into_iter().map(|(el, snapshot)| (ServoLayoutElement::from_layout_js(el), snapshot)).collect()
}
fn needs_paint_from_layout(&self) {
pub fn needs_paint_from_layout(&self) {
unsafe { self.document.needs_paint_from_layout(); }
}
fn will_paint(&self) {
pub fn will_paint(&self) {
unsafe { self.document.will_paint(); }
}
}
impl<'ld> ServoLayoutDocument<'ld> {
fn from_layout_js(doc: LayoutJS<Document>) -> ServoLayoutDocument<'ld> {
pub fn from_layout_js(doc: LayoutJS<Document>) -> ServoLayoutDocument<'ld> {
ServoLayoutDocument {
document: doc,
chain: PhantomData,
@ -433,7 +427,6 @@ impl<'le> PresentationalHintsSynthetizer for ServoLayoutElement<'le> {
impl<'le> TElement for ServoLayoutElement<'le> {
type ConcreteNode = ServoLayoutNode<'le>;
type ConcreteDocument = ServoLayoutDocument<'le>;
fn as_node(&self) -> ServoLayoutNode<'le> {
ServoLayoutNode::from_layout_js(self.element.upcast())
@ -1069,8 +1062,6 @@ impl<'le> ThreadSafeLayoutElement for ServoThreadSafeLayoutElement<'le> {
}
}
impl<'le> LayoutElement for ServoLayoutElement<'le> {}
/// This implementation of `::selectors::Element` is used for implementing lazy
/// pseudo-elements.
///