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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use dom::attr::Attr;
use dom::bindings::codegen::Bindings::CharacterDataBinding::CharacterDataMethods;
use dom::bindings::codegen::Bindings::HTMLOptionElementBinding;
use dom::bindings::codegen::Bindings::HTMLOptionElementBinding::HTMLOptionElementMethods;
use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
use dom::bindings::conversions::Castable;
use dom::bindings::js::Root;
use dom::characterdata::CharacterData;
use dom::document::Document;
use dom::element::{AttributeMutation, Element, IN_ENABLED_STATE};
use dom::htmlelement::HTMLElement;
use dom::htmlscriptelement::HTMLScriptElement;
use dom::node::Node;
use dom::text::Text;
use dom::virtualmethods::VirtualMethods;
use std::cell::Cell;
use util::str::{DOMString, split_html_space_chars, str_join};
#[dom_struct]
pub struct HTMLOptionElement {
htmlelement: HTMLElement,
/// https://html.spec.whatwg.org/multipage/#attr-option-selected
selectedness: Cell<bool>,
/// https://html.spec.whatwg.org/multipage/#concept-option-dirtiness
dirtiness: Cell<bool>,
}
impl HTMLOptionElement {
fn new_inherited(localName: DOMString,
prefix: Option<DOMString>,
document: &Document) -> HTMLOptionElement {
HTMLOptionElement {
htmlelement:
HTMLElement::new_inherited_with_state(IN_ENABLED_STATE,
localName, prefix, document),
selectedness: Cell::new(false),
dirtiness: Cell::new(false),
}
}
#[allow(unrooted_must_root)]
pub fn new(localName: DOMString,
prefix: Option<DOMString>,
document: &Document) -> Root<HTMLOptionElement> {
let element = HTMLOptionElement::new_inherited(localName, prefix, document);
Node::reflect_node(box element, document, HTMLOptionElementBinding::Wrap)
}
}
fn collect_text(element: &Element, value: &mut DOMString) {
let svg_script = *element.namespace() == ns!(SVG) && element.local_name() == &atom!("script");
let html_script = element.is::<HTMLScriptElement>();
if svg_script || html_script {
return;
}
for child in element.upcast::<Node>().children() {
if child.is::<Text>() {
let characterdata = child.downcast::<CharacterData>().unwrap();
value.push_str(&characterdata.Data());
} else if let Some(element_child) = child.downcast::<Element>() {
collect_text(element_child, value);
}
}
}
impl HTMLOptionElementMethods for HTMLOptionElement {
// https://html.spec.whatwg.org/multipage/#dom-option-disabled
make_bool_getter!(Disabled);
// https://html.spec.whatwg.org/multipage/#dom-option-disabled
fn SetDisabled(&self, disabled: bool) {
let elem = self.upcast::<Element>();
elem.set_bool_attribute(&atom!("disabled"), disabled)
}
// https://html.spec.whatwg.org/multipage/#dom-option-text
fn Text(&self) -> DOMString {
let element = self.upcast::<Element>();
let mut content = String::new();
collect_text(element, &mut content);
str_join(split_html_space_chars(&content), " ")
}
// https://html.spec.whatwg.org/multipage/#dom-option-text
fn SetText(&self, value: DOMString) {
let node = self.upcast::<Node>();
node.SetTextContent(Some(value))
}
// https://html.spec.whatwg.org/multipage/#attr-option-value
fn Value(&self) -> DOMString {
let element = self.upcast::<Element>();
let attr = &atom!("value");
if element.has_attribute(attr) {
element.get_string_attribute(attr)
} else {
self.Text()
}
}
// https://html.spec.whatwg.org/multipage/#attr-option-value
make_setter!(SetValue, "value");
// https://html.spec.whatwg.org/multipage/#attr-option-label
fn Label(&self) -> DOMString {
let element = self.upcast::<Element>();
let attr = &atom!("label");
if element.has_attribute(attr) {
element.get_string_attribute(attr)
} else {
self.Text()
}
}
// https://html.spec.whatwg.org/multipage/#attr-option-label
make_setter!(SetLabel, "label");
// https://html.spec.whatwg.org/multipage/#dom-option-defaultselected
make_bool_getter!(DefaultSelected, "selected");
// https://html.spec.whatwg.org/multipage/#dom-option-defaultselected
make_bool_setter!(SetDefaultSelected, "selected");
// https://html.spec.whatwg.org/multipage/#dom-option-selected
fn Selected(&self) -> bool {
self.selectedness.get()
}
// https://html.spec.whatwg.org/multipage/#dom-option-selected
fn SetSelected(&self, selected: bool) {
self.dirtiness.set(true);
self.selectedness.set(selected);
// FIXME: as per the spec, implement 'ask for a reset'
// https://github.com/servo/servo/issues/7774
}
}
impl VirtualMethods for HTMLOptionElement {
fn super_type(&self) -> Option<&VirtualMethods> {
let htmlelement: &HTMLElement = self.upcast::<HTMLElement>();
Some(htmlelement as &VirtualMethods)
}
fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation) {
self.super_type().unwrap().attribute_mutated(attr, mutation);
match attr.local_name() {
&atom!(disabled) => {
let el = self.upcast::<Element>();
match mutation {
AttributeMutation::Set(_) => {
el.set_disabled_state(true);
el.set_enabled_state(false);
},
AttributeMutation::Removed => {
el.set_disabled_state(false);
el.set_enabled_state(true);
el.check_parent_disabled_state_for_option();
}
}
},
&atom!(selected) => {
match mutation {
AttributeMutation::Set(_) => {
// https://html.spec.whatwg.org/multipage/#concept-option-selectedness
if !self.dirtiness.get() {
self.selectedness.set(true);
}
},
AttributeMutation::Removed => {
// https://html.spec.whatwg.org/multipage/#concept-option-selectedness
if !self.dirtiness.get() {
self.selectedness.set(false);
}
},
}
},
_ => {},
}
}
fn bind_to_tree(&self, tree_in_doc: bool) {
if let Some(ref s) = self.super_type() {
s.bind_to_tree(tree_in_doc);
}
let el = self.upcast::<Element>();
el.check_parent_disabled_state_for_option();
}
fn unbind_from_tree(&self, tree_in_doc: bool) {
if let Some(ref s) = self.super_type() {
s.unbind_from_tree(tree_in_doc);
}
let node = self.upcast::<Node>();
let el = self.upcast::<Element>();
if node.GetParentNode().is_some() {
el.check_parent_disabled_state_for_option();
} else {
el.check_disabled_attribute();
}
}
}
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