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Address review comments.
This commit is contained in:
Josh Matthews
parent
9d82e06e64
commit
3cfe8ab53e
10 changed files with 92 additions and 121 deletions
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@ -63,103 +63,95 @@ impl<'a> CSSStyleDeclarationMethods for JSRef<'a, CSSStyleDeclaration> {
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fn Length(self) -> u32 {
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let owner = self.owner.root();
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let elem: JSRef<Element> = ElementCast::from_ref(*owner);
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let style_attribute = elem.style_attribute().borrow();
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style_attribute.as_ref().map(|declarations| {
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declarations.normal.len() + declarations.important.len()
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}).unwrap_or(0) as u32
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let len = match *elem.style_attribute().borrow() {
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Some(ref declarations) => declarations.normal.len() + declarations.important.len(),
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None => 0
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};
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len as u32
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}
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fn Item(self, index: u32) -> DOMString {
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let owner = self.owner.root();
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let elem: JSRef<Element> = ElementCast::from_ref(*owner);
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let style_attribute = elem.style_attribute().borrow();
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style_attribute.as_ref().and_then(|declarations| {
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let result = style_attribute.as_ref().and_then(|declarations| {
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if index as uint > declarations.normal.len() {
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declarations.important
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.iter()
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.nth(index as uint - declarations.normal.len())
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.as_slice()
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.get(index as uint - declarations.normal.len())
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.map(|decl| format!("{} !important", decl))
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} else {
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declarations.normal
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.iter()
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.nth(index as uint)
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.as_slice()
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.get(index as uint)
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.map(|decl| format!("{}", decl))
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}
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}).unwrap_or("".to_string())
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});
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result.unwrap_or("".to_string())
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}
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//http://dev.w3.org/csswg/cssom/#dom-cssstyledeclaration-getpropertyvalue
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// http://dev.w3.org/csswg/cssom/#dom-cssstyledeclaration-getpropertyvalue
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fn GetPropertyValue(self, property: DOMString) -> DOMString {
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// 1. Let property be property converted to ASCII lowercase.
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// Step 1
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let property = Atom::from_slice(property.as_slice().to_ascii_lower().as_slice());
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// 2. If property is a shorthand property, then follow these substeps:
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// Step 2
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let longhand_properties = longhands_from_shorthand(property.as_slice());
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if longhand_properties.is_some() {
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// 1. Let list be a new empty array.
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if let Some(longhand_properties) = longhand_properties {
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// Step 2.1
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let mut list = vec!();
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// 2. For each longhand property longhand that property maps to, in canonical order,
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// follow these substeps:
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for longhand in longhand_properties.unwrap().iter() {
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// 1. If longhand is a case-sensitive match for a property name of a
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// CSS declaration in the declarations, let declaration be that CSS
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// declaration, or null otherwise.
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// Step 2.2
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for longhand in longhand_properties.iter() {
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// Step 2.2.1
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let declaration = self.get_declaration(&Atom::from_slice(longhand.as_slice()));
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// 2. If declaration is null, return the empty string and terminate these
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// steps.
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// Step 2.2.2 & 2.2.3
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match declaration {
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// 3. Append the declaration to list.
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Some(declaration) => list.push(declaration),
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None => return "".to_string(),
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}
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}
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// 3. Return the serialization of list and terminate these steps.
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// Step 2.3
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return serialize_list(&list);
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}
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// 3. If property is a case-sensitive match for a property name of a CSS declaration
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// in the declarations, return the result of invoking serialize a CSS value of that
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// declaration and terminate these steps.
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// 4. Return the empty string.
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let declaration = self.get_declaration(&property);
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declaration.as_ref()
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.map(|declaration| serialize_value(declaration))
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.unwrap_or("".to_string())
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// Step 3 & 4
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if let Some(ref declaration) = self.get_declaration(&property) {
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serialize_value(declaration)
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} else {
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"".to_string()
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}
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}
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// http://dev.w3.org/csswg/cssom/#dom-cssstyledeclaration-setproperty
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fn SetProperty(self, property: DOMString, value: DOMString,
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priority: DOMString) -> ErrorResult {
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// 1. If the readonly flag is set, throw a NoModificationAllowedError exception
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// and terminate these steps.
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//TODO
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//TODO: disallow modifications if readonly flag is set
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// 2. Let property be property converted to ASCII lowercase.
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// Step 2
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let property = property.as_slice().to_ascii_lower();
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// 3. If property is not a case-sensitive match for a supported CSS property,
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// terminate this algorithm.
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// Step 3
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if !is_supported_property(property.as_slice()) {
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return Ok(());
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}
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// 4. If value is the empty string, invoke removeProperty() with property as argument
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// and terminate this algorithm.
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// Step 4
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if value.is_empty() {
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self.RemoveProperty(property.clone());
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self.RemoveProperty(property);
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return Ok(());
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}
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// 5. If priority is not the empty string and is not an ASCII case-insensitive match
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// for the string "important", terminate this algorithm.
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// Step 5
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let priority = priority.as_slice().to_ascii_lower();
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if priority.as_slice() != "!important" && !priority.is_empty() {
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return Ok(());
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}
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// 6. Let `component value list` be the result of parsing value for property `property`.
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// Step 6
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let mut synthesized_declaration = String::from_str(property.as_slice());
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synthesized_declaration.push_str(": ");
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synthesized_declaration.push_str(value.as_slice());
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@ -170,7 +162,7 @@ impl<'a> CSSStyleDeclarationMethods for JSRef<'a, CSSStyleDeclaration> {
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let decl_block = parse_style_attribute(synthesized_declaration.as_slice(),
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&page.get_url());
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// 7. If `component value list` is null terminate these steps.
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// Step 7
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if decl_block.normal.len() == 0 {
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return Ok(());
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}
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@ -178,19 +170,9 @@ impl<'a> CSSStyleDeclarationMethods for JSRef<'a, CSSStyleDeclaration> {
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let owner = self.owner.root();
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let element: JSRef<Element> = ElementCast::from_ref(*owner);
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//XXXjdm https://www.w3.org/Bugs/Public/show_bug.cgi?id=27589
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assert!(decl_block.important.len() == 0);
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// Step 8
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for decl in decl_block.normal.iter() {
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// 8. If property is a shorthand property, then for each longhand property
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// longhand that property maps to, in canonical order, set the CSS
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// declaration value longhand to the appropriate value(s) from component
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// value list, and with the list of declarations being the declarations.
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// 9. Otherwise, set the CSS declaration value property to the
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// value component value list, and with the list of declarations
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// being the declarations.
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// Step 9
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element.update_inline_style(decl.clone(), !priority.is_empty());
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}
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@ -200,49 +182,48 @@ impl<'a> CSSStyleDeclarationMethods for JSRef<'a, CSSStyleDeclaration> {
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Ok(())
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}
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// http://dev.w3.org/csswg/cssom/#dom-cssstyledeclaration-setpropertyvalue
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fn SetPropertyValue(self, property: DOMString, value: DOMString) -> ErrorResult {
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self.SetProperty(property, value, "".to_string())
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}
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// http://dev.w3.org/csswg/cssom/#dom-cssstyledeclaration-removeproperty
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fn RemoveProperty(self, property: DOMString) -> DOMString {
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// 1. If the readonly flag is set, throw a NoModificationAllowedError exception
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// and terminate these steps.
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//TODO
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//TODO: disallow modifications if readonly flag is set
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// 2. Let `property` be property converted to ASCII lowercase.
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// Step 2
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let property = property.as_slice().to_ascii_lower();
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// 3. Let `value` be the return value of invoking getPropertyValue() with `property`
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// as argument.
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// Step 3
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let value = self.GetPropertyValue(property.clone());
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// 4. If `property` is a shorthand property, for each longhand property `longhand` that
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// `property` maps to, invoke removeProperty() with `longhand` as argument.
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let longhand_properties = longhands_from_shorthand(property.as_slice());
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match longhand_properties {
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Some(longhands) => {
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// Step 4
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for longhand in longhands.iter() {
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self.RemoveProperty(longhand.clone());
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}
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}
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// 5. Otherwise, if `property` is a case-sensitive match for a property name of a
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// CSS declaration in the declarations, remove that CSS declaration.
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None => {
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// Step 5
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let owner = self.owner.root();
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let elem: JSRef<Element> = ElementCast::from_ref(*owner);
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elem.remove_inline_style_property(property)
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}
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}
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// 6. Return value.
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// Step 6
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value
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}
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// http://dev.w3.org/csswg/cssom/#dom-cssstyledeclaration-cssfloat
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fn CssFloat(self) -> DOMString {
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self.GetPropertyValue("float".to_string())
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}
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// http://dev.w3.org/csswg/cssom/#dom-cssstyledeclaration-cssfloat
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fn SetCssFloat(self, value: DOMString) -> ErrorResult {
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self.SetPropertyValue("float".to_string(), value)
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}
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