servo/components/script/dom/htmlbuttonelement.rs
Anthony Ramine 7d6ea83479 Explicitly customise flags of new nodes where needed
Given codegen now generates the various TypeId enums, it seems pointless to
still have to write their respective values in every DOM struct inheriting from
Node just to set the initial IS_IN_DOC flag in Document and IN_ENABLED_STATE in
form controls.
2015-10-15 17:30:41 +02:00

244 lines
8.8 KiB
Rust

/* 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::activation::Activatable;
use dom::attr::Attr;
use dom::bindings::codegen::Bindings::HTMLButtonElementBinding;
use dom::bindings::codegen::Bindings::HTMLButtonElementBinding::HTMLButtonElementMethods;
use dom::bindings::codegen::InheritTypes::{ElementCast, HTMLButtonElementCast, HTMLElementCast};
use dom::bindings::codegen::InheritTypes::{HTMLFieldSetElementDerived, NodeCast};
use dom::bindings::js::Root;
use dom::document::Document;
use dom::element::{AttributeMutation, Element};
use dom::event::Event;
use dom::eventtarget::EventTarget;
use dom::htmlelement::HTMLElement;
use dom::htmlformelement::{FormControl, FormSubmitter};
use dom::htmlformelement::{SubmittedFrom, HTMLFormElement};
use dom::node::{IN_ENABLED_STATE, Node, NodeFlags};
use dom::node::{document_from_node, window_from_node};
use dom::validitystate::ValidityState;
use dom::virtualmethods::VirtualMethods;
use std::ascii::AsciiExt;
use std::borrow::ToOwned;
use std::cell::Cell;
use util::str::DOMString;
#[derive(JSTraceable, PartialEq, Copy, Clone)]
#[allow(dead_code)]
#[derive(HeapSizeOf)]
enum ButtonType {
ButtonSubmit,
ButtonReset,
ButtonButton,
ButtonMenu
}
#[dom_struct]
pub struct HTMLButtonElement {
htmlelement: HTMLElement,
button_type: Cell<ButtonType>
}
impl HTMLButtonElement {
fn new_inherited(localName: DOMString,
prefix: Option<DOMString>,
document: &Document) -> HTMLButtonElement {
HTMLButtonElement {
htmlelement:
HTMLElement::new_inherited_with_flags(NodeFlags::new() | IN_ENABLED_STATE,
localName, prefix, document),
//TODO: implement button_type in attribute_mutated
button_type: Cell::new(ButtonType::ButtonSubmit)
}
}
#[allow(unrooted_must_root)]
pub fn new(localName: DOMString,
prefix: Option<DOMString>,
document: &Document) -> Root<HTMLButtonElement> {
let element = HTMLButtonElement::new_inherited(localName, prefix, document);
Node::reflect_node(box element, document, HTMLButtonElementBinding::Wrap)
}
}
impl HTMLButtonElementMethods for HTMLButtonElement {
// https://html.spec.whatwg.org/multipage/#dom-cva-validity
fn Validity(&self) -> Root<ValidityState> {
let window = window_from_node(self);
ValidityState::new(window.r())
}
// https://html.spec.whatwg.org/multipage/#dom-fe-disabled
make_bool_getter!(Disabled);
// https://html.spec.whatwg.org/multipage/#dom-fe-disabled
make_bool_setter!(SetDisabled, "disabled");
// https://html.spec.whatwg.org/multipage/#dom-fae-form
fn GetForm(&self) -> Option<Root<HTMLFormElement>> {
self.form_owner()
}
// https://html.spec.whatwg.org/multipage/#dom-button-type
fn Type(&self) -> DOMString {
let elem = ElementCast::from_ref(self);
let mut ty = elem.get_string_attribute(&atom!("type"));
ty.make_ascii_lowercase();
// https://html.spec.whatwg.org/multipage/#attr-button-type
match &*ty {
"reset" | "button" | "menu" => ty,
_ => "submit".to_owned()
}
}
// https://html.spec.whatwg.org/multipage/#dom-button-type
make_setter!(SetType, "type");
// https://html.spec.whatwg.org/multipage/#dom-fs-formaction
make_url_or_base_getter!(FormAction);
// https://html.spec.whatwg.org/multipage/#dom-fs-formaction
make_setter!(SetFormAction, "formaction");
// https://html.spec.whatwg.org/multipage/#dom-fs-formenctype
make_enumerated_getter!(
FormEnctype, "application/x-www-form-urlencoded", ("text/plain") | ("multipart/form-data"));
// https://html.spec.whatwg.org/multipage/#dom-fs-formenctype
make_setter!(SetFormEnctype, "formenctype");
// https://html.spec.whatwg.org/multipage/#dom-fs-formmethod
make_enumerated_getter!(FormMethod, "get", ("post") | ("dialog"));
// https://html.spec.whatwg.org/multipage/#dom-fs-formmethod
make_setter!(SetFormMethod, "formmethod");
// https://html.spec.whatwg.org/multipage/#dom-fs-formtarget
make_getter!(FormTarget);
// https://html.spec.whatwg.org/multipage/#dom-fs-formtarget
make_setter!(SetFormTarget, "formtarget");
// https://html.spec.whatwg.org/multipage/#dom-fe-name
make_getter!(Name);
// https://html.spec.whatwg.org/multipage/#dom-fe-name
make_setter!(SetName, "name");
// https://html.spec.whatwg.org/multipage/#dom-button-value
make_getter!(Value);
// https://html.spec.whatwg.org/multipage/#dom-button-value
make_setter!(SetValue, "value");
}
impl VirtualMethods for HTMLButtonElement {
fn super_type<'b>(&'b self) -> Option<&'b VirtualMethods> {
let htmlelement: &HTMLElement = HTMLElementCast::from_ref(self);
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 node = NodeCast::from_ref(self);
match mutation {
AttributeMutation::Set(Some(_)) => {}
AttributeMutation::Set(None) => {
node.set_disabled_state(true);
node.set_enabled_state(false);
},
AttributeMutation::Removed => {
node.set_disabled_state(false);
node.set_enabled_state(true);
node.check_ancestors_disabled_state_for_form_control();
}
}
},
_ => {},
}
}
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 node = NodeCast::from_ref(self);
node.check_ancestors_disabled_state_for_form_control();
}
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 = NodeCast::from_ref(self);
if node.ancestors().any(|ancestor| ancestor.r().is_htmlfieldsetelement()) {
node.check_ancestors_disabled_state_for_form_control();
} else {
node.check_disabled_attribute();
}
}
}
impl FormControl for HTMLButtonElement {}
impl<'a> Activatable for &'a HTMLButtonElement {
fn as_element<'b>(&'b self) -> &'b Element {
ElementCast::from_ref(*self)
}
fn is_instance_activatable(&self) -> bool {
//https://html.spec.whatwg.org/multipage/#the-button-element
let node = NodeCast::from_ref(*self);
!(node.get_disabled_state())
}
// https://html.spec.whatwg.org/multipage/#run-pre-click-activation-steps
// https://html.spec.whatwg.org/multipage/#the-button-element:activation-behavior
fn pre_click_activation(&self) {
}
// https://html.spec.whatwg.org/multipage/#run-canceled-activation-steps
fn canceled_activation(&self) {
}
// https://html.spec.whatwg.org/multipage/#run-post-click-activation-steps
fn activation_behavior(&self, _event: &Event, _target: &EventTarget) {
let ty = self.button_type.get();
match ty {
//https://html.spec.whatwg.org/multipage/#attr-button-type-submit-state
ButtonType::ButtonSubmit => {
self.form_owner().map(|o| {
o.r().submit(SubmittedFrom::NotFromFormSubmitMethod,
FormSubmitter::ButtonElement(self.clone()))
});
},
_ => ()
}
}
// https://html.spec.whatwg.org/multipage/#implicit-submission
#[allow(unsafe_code)]
fn implicit_submission(&self, ctrlKey: bool, shiftKey: bool, altKey: bool, metaKey: bool) {
let doc = document_from_node(*self);
let node = NodeCast::from_ref(doc.r());
let owner = self.form_owner();
let elem = ElementCast::from_ref(*self);
if owner.is_none() || elem.click_in_progress() {
return;
}
// This is safe because we are stopping after finding the first element
// and only then performing actions which may modify the DOM tree
unsafe {
node.query_selector_iter("button[type=submit]".to_owned()).unwrap()
.filter_map(HTMLButtonElementCast::to_root)
.find(|r| r.r().form_owner() == owner)
.map(|s| s.r().synthetic_click_activation(ctrlKey, shiftKey, altKey, metaKey));
}
}
}