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Move CSSStyleDeclaration.RemoveProperty logic to style

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This commit is contained in:
Simon Sapin 2016-10-07 17:06:56 +02:00
parent fc6a536b3a
commit bd4a4c38c8
3 changed files with 55 additions and 50 deletions
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50
components/script/dom/cssstyledeclaration.rs
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@ -125,7 +125,7 @@ impl CSSStyleDeclarationMethods for CSSStyleDeclaration {
}
// https://dev.w3.org/csswg/cssom/#dom-cssstyledeclaration-getpropertypriority
fn GetPropertyPriority(&self, mut property: DOMString) -> DOMString {
fn GetPropertyPriority(&self, property: DOMString) -> DOMString {
let style_attribute = self.owner.style_attribute().borrow();
let style_attribute = if let Some(ref style_attribute) = *style_attribute {
style_attribute.read()
@ -237,36 +237,40 @@ impl CSSStyleDeclarationMethods for CSSStyleDeclaration {
}
// https://dev.w3.org/csswg/cssom/#dom-cssstyledeclaration-removeproperty
fn RemoveProperty(&self, mut property: DOMString) -> Fallible<DOMString> {
fn RemoveProperty(&self, property: DOMString) -> Fallible<DOMString> {
// Step 1
if self.readonly {
return Err(Error::NoModificationAllowed);
}
// Step 2
property.make_ascii_lowercase();
let mut style_attribute = self.owner.style_attribute().borrow_mut();
let mut string = String::new();
let empty;
{
let mut style_attribute = if let Some(ref mut style_attribute) = *style_attribute {
style_attribute.write()
} else {
// No style attribute is like an empty style attribute: nothing to remove.
return Ok(DOMString::new())
};
// Step 3
let value = self.GetPropertyValue(property.clone());
// Step 3
style_attribute.property_value_to_css(&property, &mut string).unwrap();
let element = self.owner.upcast::<Element>();
match Shorthand::from_name(&property) {
// Step 4
Some(shorthand) => {
for longhand in shorthand.longhands() {
element.remove_inline_style_property(longhand)
}
}
// Step 5
None => element.remove_inline_style_property(&property),
// Step 4 & 5
style_attribute.remove_property(&property);
self.owner.set_style_attr(style_attribute.to_css_string());
empty = style_attribute.declarations.is_empty()
}
if empty {
*style_attribute = None;
}
let node = element.upcast::<Node>();
let node = self.owner.upcast::<Node>();
node.dirty(NodeDamage::NodeStyleDamaged);
// Step 6
Ok(value)
Ok(DOMString::from(string))
}
// https://dev.w3.org/csswg/cssom/#dom-cssstyledeclaration-cssfloat
@ -311,7 +315,6 @@ impl CSSStyleDeclarationMethods for CSSStyleDeclaration {
// https://drafts.csswg.org/cssom/#dom-cssstyledeclaration-csstext
fn SetCssText(&self, value: DOMString) -> ErrorResult {
let window = window_from_node(self.owner.upcast::<Node>());
let element = self.owner.upcast::<Element>();
// Step 1
if self.readonly {
@ -321,13 +324,14 @@ impl CSSStyleDeclarationMethods for CSSStyleDeclaration {
// Step 3
let decl_block = parse_style_attribute(&value, &window.get_url(), window.css_error_reporter(),
ParserContextExtraData::default());
*element.style_attribute().borrow_mut() = if decl_block.declarations.is_empty() {
*self.owner.style_attribute().borrow_mut() = if decl_block.declarations.is_empty() {
self.owner.set_style_attr(String::new());
None // Step 2
} else {
self.owner.set_style_attr(decl_block.to_css_string());
Some(Arc::new(RwLock::new(decl_block)))
};
element.sync_property_with_attrs_style();
let node = element.upcast::<Node>();
let node = self.owner.upcast::<Node>();
node.dirty(NodeDamage::NodeStyleDamaged);
Ok(())
}