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layout: Introduce support for legacy presentational attributes to selector

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matching, and use it for `<input size>` and `<td width>`.

This implements a general framework for legacy presentational attributes
to the DOM and style calculation, so that adding more of them later will
be straightforward.
This commit is contained in:
Patrick Walton 2014-10-14 11:25:29 -07:00
parent 8077edc062
commit 5f8d3f72d8
31 changed files with 570 additions and 214 deletions
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25
components/layout/wrapper.rs
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@ -38,8 +38,9 @@ use css::node_style::StyledNode;
use util::{LayoutDataAccess, LayoutDataWrapper, PrivateLayoutData, OpaqueNodeMethods};
use gfx::display_list::OpaqueNode;
use script::dom::bindings::codegen::InheritTypes::{HTMLIFrameElementDerived, HTMLInputElementDerived};
use script::dom::bindings::codegen::InheritTypes::{HTMLImageElementDerived, TextDerived};
use script::dom::bindings::codegen::InheritTypes::{HTMLIFrameElementDerived};
use script::dom::bindings::codegen::InheritTypes::{HTMLImageElementDerived};
use script::dom::bindings::codegen::InheritTypes::{HTMLInputElementDerived, TextDerived};
use script::dom::bindings::js::JS;
use script::dom::element::{Element, HTMLAreaElementTypeId, HTMLAnchorElementTypeId};
use script::dom::element::{HTMLLinkElementTypeId, LayoutElementHelpers, RawLayoutElementHelpers};
@ -52,13 +53,13 @@ use script::dom::node::{IsDirty, HasDirtyDescendants};
use script::dom::text::Text;
use script::layout_interface::LayoutChan;
use servo_msg::constellation_msg::{PipelineId, SubpageId};
use servo_util::str::is_whitespace;
use servo_util::str::{LengthOrPercentageOrAuto, is_whitespace};
use std::cell::{RefCell, Ref, RefMut};
use std::kinds::marker::ContravariantLifetime;
use std::mem;
use style::computed_values::{content, display, white_space};
use style::{AnyNamespace, AttrSelector, PropertyDeclarationBlock, SpecificNamespace, TElement};
use style::{TNode};
use style::{AnyNamespace, AttrSelector, IntegerAttribute, LengthAttribute};
use style::{PropertyDeclarationBlock, SpecificNamespace, TElement, TElementAttributes, TNode};
use url::Url;
use string_cache::{Atom, Namespace};
@ -517,6 +518,20 @@ impl<'le> TElement<'le> for LayoutElement<'le> {
}
}
impl<'le> TElementAttributes for LayoutElement<'le> {
fn get_length_attribute(self, length_attribute: LengthAttribute) -> LengthOrPercentageOrAuto {
unsafe {
self.element.get_length_attribute_for_layout(length_attribute)
}
}
fn get_integer_attribute(self, integer_attribute: IntegerAttribute) -> Option<i32> {
unsafe {
self.element.get_integer_attribute_for_layout(integer_attribute)
}
}
}
fn get_content(content_list: &content::T) -> String {
match *content_list {
content::Content(ref value) => {