Auto merge of #13172 - bholley:display_enum, r=emilio

stylo: avoid traversing non element/text nodes in style and layout

r? @emilio

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This commit is contained in:
bors-servo 2016-09-21 19:59:52 -05:00 committed by GitHub
commit 614e9ca840
6 changed files with 86 additions and 52 deletions

View file

@ -58,7 +58,8 @@ use style::attr::AttrValue;
use style::computed_values::display;
use style::context::SharedStyleContext;
use style::data::PrivateStyleData;
use style::dom::{OpaqueNode, PresentationalHintsSynthetizer, TDocument, TElement, TNode, UnsafeNode};
use style::dom::{LayoutIterator, NodeInfo, OpaqueNode, PresentationalHintsSynthetizer, TDocument, TElement, TNode};
use style::dom::UnsafeNode;
use style::element_state::*;
use style::properties::{ComputedValues, PropertyDeclarationBlock};
use style::refcell::{Ref, RefCell, RefMut};
@ -111,6 +112,18 @@ impl<'ln> ServoLayoutNode<'ln> {
}
}
impl<'ln> NodeInfo for ServoLayoutNode<'ln> {
fn is_element(&self) -> bool {
unsafe {
self.node.is_element_for_layout()
}
}
fn is_text_node(&self) -> bool {
self.script_type_id() == NodeTypeId::CharacterData(CharacterDataTypeId::Text)
}
}
impl<'ln> TNode for ServoLayoutNode<'ln> {
type ConcreteElement = ServoLayoutElement<'ln>;
type ConcreteDocument = ServoLayoutDocument<'ln>;
@ -128,16 +141,6 @@ impl<'ln> TNode for ServoLayoutNode<'ln> {
transmute(node)
}
fn is_text_node(&self) -> bool {
self.script_type_id() == NodeTypeId::CharacterData(CharacterDataTypeId::Text)
}
fn is_element(&self) -> bool {
unsafe {
self.node.is_element_for_layout()
}
}
fn dump(self) {
self.dump_indent(0);
}
@ -147,10 +150,10 @@ impl<'ln> TNode for ServoLayoutNode<'ln> {
self.dump_style_indent(0);
}
fn children(self) -> ServoChildrenIterator<'ln> {
ServoChildrenIterator {
fn children(self) -> LayoutIterator<ServoChildrenIterator<'ln>> {
LayoutIterator(ServoChildrenIterator {
current: self.first_child(),
}
})
}
fn opaque(&self) -> OpaqueNode {
@ -727,6 +730,20 @@ impl<'ln> ServoThreadSafeLayoutNode<'ln> {
}
}
impl<'ln> NodeInfo for ServoThreadSafeLayoutNode<'ln> {
fn is_element(&self) -> bool {
if let Some(LayoutNodeType::Element(_)) = self.type_id() { true } else { false }
}
fn is_text_node(&self) -> bool {
if let Some(LayoutNodeType::Text) = self.type_id() { true } else { false }
}
fn needs_layout(&self) -> bool {
self.pseudo != PseudoElementType::Normal || self.is_element() || self.is_text_node()
}
}
impl<'ln> ThreadSafeLayoutNode for ServoThreadSafeLayoutNode<'ln> {
type ConcreteThreadSafeLayoutElement = ServoThreadSafeLayoutElement<'ln>;
type ChildrenIterator = ThreadSafeLayoutNodeChildrenIterator<Self>;
@ -760,8 +777,8 @@ impl<'ln> ThreadSafeLayoutNode for ServoThreadSafeLayoutNode<'ln> {
self.node.debug_id()
}
fn children(&self) -> Self::ChildrenIterator {
ThreadSafeLayoutNodeChildrenIterator::new(*self)
fn children(&self) -> LayoutIterator<Self::ChildrenIterator> {
LayoutIterator(ThreadSafeLayoutNodeChildrenIterator::new(*self))
}
fn as_element(&self) -> ServoThreadSafeLayoutElement<'ln> {