diff options
Diffstat (limited to 'components/script/layout_dom/node.rs')
| -rw-r--r-- | components/script/layout_dom/node.rs | 58 |
1 files changed, 30 insertions, 28 deletions
diff --git a/components/script/layout_dom/node.rs b/components/script/layout_dom/node.rs index 4a7b3a04b06..83c1b8dd57a 100644 --- a/components/script/layout_dom/node.rs +++ b/components/script/layout_dom/node.rs @@ -13,9 +13,7 @@ use fonts_traits::ByteIndex; use html5ever::{local_name, namespace_url, ns}; use pixels::{Image, ImageMetadata}; use range::Range; -use script_layout_interface::wrapper_traits::{ - LayoutDataTrait, LayoutNode, PseudoElementType, ThreadSafeLayoutNode, -}; +use script_layout_interface::wrapper_traits::{LayoutDataTrait, LayoutNode, ThreadSafeLayoutNode}; use script_layout_interface::{ GenericLayoutData, HTMLCanvasData, HTMLMediaData, LayoutNodeType, SVGSVGData, StyleData, TrustedNodeAddress, @@ -25,6 +23,7 @@ use servo_url::ServoUrl; use style; use style::dom::{NodeInfo, TElement, TNode, TShadowRoot}; use style::properties::ComputedValues; +use style::selector_parser::PseudoElement; use super::{ ServoLayoutDocument, ServoLayoutElement, ServoShadowRoot, ServoThreadSafeLayoutElement, @@ -230,18 +229,15 @@ pub struct ServoThreadSafeLayoutNode<'dom> { /// The wrapped `ServoLayoutNode`. pub(super) node: ServoLayoutNode<'dom>, - /// The pseudo-element type, with (optionally) - /// a specified display value to override the stylesheet. - pub(super) pseudo: PseudoElementType, + /// The pseudo-element type for this node, or `None` if it is the non-pseudo + /// version of the element. + pub(super) pseudo: Option<PseudoElement>, } impl<'dom> ServoThreadSafeLayoutNode<'dom> { /// Creates a new `ServoThreadSafeLayoutNode` from the given `ServoLayoutNode`. pub fn new(node: ServoLayoutNode<'dom>) -> Self { - ServoThreadSafeLayoutNode { - node, - pseudo: PseudoElementType::Normal, - } + ServoThreadSafeLayoutNode { node, pseudo: None } } /// Returns the interior of this node as a `LayoutDom`. This is highly unsafe for layout to @@ -289,8 +285,12 @@ impl<'dom> ThreadSafeLayoutNode<'dom> for ServoThreadSafeLayoutNode<'dom> { unsafe { self.get_jsmanaged().opaque() } } + fn pseudo_element(&self) -> Option<PseudoElement> { + self.pseudo + } + fn type_id(&self) -> Option<LayoutNodeType> { - if self.pseudo == PseudoElementType::Normal { + if self.pseudo.is_none() { Some(self.node.type_id()) } else { None @@ -434,12 +434,12 @@ pub struct ServoThreadSafeLayoutNodeChildrenIterator<'dom> { impl<'dom> ServoThreadSafeLayoutNodeChildrenIterator<'dom> { pub fn new(parent: ServoThreadSafeLayoutNode<'dom>) -> Self { - let first_child = match parent.get_pseudo_element_type() { - PseudoElementType::Normal => parent - .get_before_pseudo() + let first_child = match parent.pseudo_element() { + None => parent + .get_pseudo(PseudoElement::Before) .or_else(|| parent.get_details_summary_pseudo()) .or_else(|| unsafe { parent.dangerous_first_child() }), - PseudoElementType::DetailsContent | PseudoElementType::DetailsSummary => unsafe { + Some(PseudoElement::DetailsContent) | Some(PseudoElement::DetailsSummary) => unsafe { parent.dangerous_first_child() }, _ => None, @@ -455,10 +455,10 @@ impl<'dom> Iterator for ServoThreadSafeLayoutNodeChildrenIterator<'dom> { type Item = ServoThreadSafeLayoutNode<'dom>; fn next(&mut self) -> Option<ServoThreadSafeLayoutNode<'dom>> { use selectors::Element; - match self.parent_node.get_pseudo_element_type() { - PseudoElementType::Before | PseudoElementType::After => None, + match self.parent_node.pseudo_element() { + Some(PseudoElement::Before) | Some(PseudoElement::After) => None, - PseudoElementType::DetailsSummary => { + Some(PseudoElement::DetailsSummary) => { let mut current_node = self.current_node; loop { let next_node = if let Some(ref node) = current_node { @@ -479,7 +479,7 @@ impl<'dom> Iterator for ServoThreadSafeLayoutNodeChildrenIterator<'dom> { } }, - PseudoElementType::DetailsContent => { + Some(PseudoElement::DetailsContent) => { let node = self.current_node; let node = node.and_then(|node| { if node.is_element() && @@ -497,22 +497,24 @@ impl<'dom> Iterator for ServoThreadSafeLayoutNodeChildrenIterator<'dom> { node }, - PseudoElementType::Normal => { + None | Some(_) => { let node = self.current_node; if let Some(ref node) = node { - self.current_node = match node.get_pseudo_element_type() { - PseudoElementType::Before => self + self.current_node = match node.pseudo_element() { + Some(PseudoElement::Before) => self .parent_node .get_details_summary_pseudo() .or_else(|| unsafe { self.parent_node.dangerous_first_child() }) - .or_else(|| self.parent_node.get_after_pseudo()), - PseudoElementType::Normal => unsafe { node.dangerous_next_sibling() } - .or_else(|| self.parent_node.get_after_pseudo()), - PseudoElementType::DetailsSummary => { + .or_else(|| self.parent_node.get_pseudo(PseudoElement::After)), + Some(PseudoElement::DetailsSummary) => { self.parent_node.get_details_content_pseudo() }, - PseudoElementType::DetailsContent => self.parent_node.get_after_pseudo(), - PseudoElementType::After => None, + Some(PseudoElement::DetailsContent) => { + self.parent_node.get_pseudo(PseudoElement::After) + }, + Some(PseudoElement::After) => None, + None | Some(_) => unsafe { node.dangerous_next_sibling() } + .or_else(|| self.parent_node.get_pseudo(PseudoElement::After)), }; } node |