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servo/components/script/dom/htmlinputelement.rs

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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 https://mozilla.org/MPL/2.0/. */
use crate::dom::activation::{synthetic_click_activation, Activatable, ActivationSource};
use crate::dom::attr::Attr;
use crate::dom::bindings::cell::DomRefCell;
use crate::dom::bindings::codegen::Bindings::ElementBinding::ElementMethods;
use crate::dom::bindings::codegen::Bindings::EventBinding::EventMethods;
use crate::dom::bindings::codegen::Bindings::FileListBinding::FileListMethods;
use crate::dom::bindings::codegen::Bindings::HTMLFormElementBinding::SelectionMode;
use crate::dom::bindings::codegen::Bindings::HTMLInputElementBinding;
use crate::dom::bindings::codegen::Bindings::HTMLInputElementBinding::HTMLInputElementMethods;
use crate::dom::bindings::codegen::Bindings::KeyboardEventBinding::KeyboardEventMethods;
use crate::dom::bindings::codegen::Bindings::NodeBinding::{GetRootNodeOptions, NodeMethods};
use crate::dom::bindings::error::{Error, ErrorResult};
use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::reflector::DomObject;
use crate::dom::bindings::root::{Dom, DomRoot, LayoutDom, MutNullableDom};
use crate::dom::bindings::str::{DOMString, USVString};
use crate::dom::compositionevent::CompositionEvent;
use crate::dom::document::Document;
use crate::dom::element::{
AttributeMutation, Element, LayoutElementHelpers, RawLayoutElementHelpers,
};
use crate::dom::event::{Event, EventBubbles, EventCancelable};
use crate::dom::eventtarget::EventTarget;
use crate::dom::file::File;
use crate::dom::filelist::FileList;
use crate::dom::globalscope::GlobalScope;
use crate::dom::htmldatalistelement::HTMLDataListElement;
use crate::dom::htmlelement::HTMLElement;
use crate::dom::htmlfieldsetelement::HTMLFieldSetElement;
use crate::dom::htmlformelement::{
FormControl, FormDatum, FormDatumValue, FormSubmitter, HTMLFormElement,
};
use crate::dom::htmlformelement::{ResetFrom, SubmittedFrom};
use crate::dom::keyboardevent::KeyboardEvent;
use crate::dom::mouseevent::MouseEvent;
use crate::dom::node::{document_from_node, window_from_node};
use crate::dom::node::{
BindContext, CloneChildrenFlag, Node, NodeDamage, ShadowIncluding, UnbindContext,
};
use crate::dom::nodelist::NodeList;
use crate::dom::textcontrol::{TextControlElement, TextControlSelection};
use crate::dom::validation::Validatable;
use crate::dom::validitystate::ValidationFlags;
use crate::dom::virtualmethods::VirtualMethods;
use crate::script_runtime::JSContext as SafeJSContext;
use crate::textinput::KeyReaction::{
DispatchInput, Nothing, RedrawSelection, TriggerDefaultAction,
};
use crate::textinput::Lines::Single;
use crate::textinput::{Direction, SelectionDirection, TextInput, UTF16CodeUnits, UTF8Bytes};
use chrono::naive::{NaiveDate, NaiveDateTime};
use chrono::{Datelike, Weekday};
use dom_struct::dom_struct;
use embedder_traits::FilterPattern;
use encoding_rs::Encoding;
use html5ever::{LocalName, Prefix};
use js::jsapi::{
ClippedTime, DateGetMsecSinceEpoch, Handle, JSObject, NewDateObject, ObjectIsDate,
};
use msg::constellation_msg::InputMethodType;
use net_traits::blob_url_store::get_blob_origin;
use net_traits::filemanager_thread::FileManagerThreadMsg;
use net_traits::{CoreResourceMsg, IpcSend};
use profile_traits::ipc;
use script_layout_interface::rpc::TextIndexResponse;
use script_traits::ScriptToConstellationChan;
use servo_atoms::Atom;
use std::borrow::ToOwned;
use std::cell::Cell;
use std::ops::Range;
use std::ptr::NonNull;
use style::attr::AttrValue;
use style::element_state::ElementState;
use style::str::{split_commas, str_join};
const DEFAULT_SUBMIT_VALUE: &'static str = "Submit";
const DEFAULT_RESET_VALUE: &'static str = "Reset";
const PASSWORD_REPLACEMENT_CHAR: char = '●';
#[derive(Clone, Copy, JSTraceable, PartialEq)]
#[allow(dead_code)]
#[derive(MallocSizeOf)]
pub enum InputType {
Button,
Checkbox,
Color,
Date,
DatetimeLocal,
Email,
File,
Hidden,
Image,
Month,
Number,
Password,
Radio,
Range,
Reset,
Search,
Submit,
Tel,
Text,
Time,
Url,
Week,
}
impl InputType {
// Note that Password is not included here since it is handled
// slightly differently, with placeholder characters shown rather
// than the underlying value.
fn is_textual(&self) -> bool {
match *self {
InputType::Color |
InputType::Date |
InputType::DatetimeLocal |
InputType::Email |
InputType::Hidden |
InputType::Month |
InputType::Number |
InputType::Range |
InputType::Search |
InputType::Tel |
InputType::Text |
InputType::Time |
InputType::Url |
InputType::Week => true,
_ => false,
}
}
fn is_textual_or_password(&self) -> bool {
self.is_textual() || *self == InputType::Password
}
fn to_str(&self) -> &str {
match *self {
InputType::Button => "button",
InputType::Checkbox => "checkbox",
InputType::Color => "color",
InputType::Date => "date",
InputType::DatetimeLocal => "datetime-local",
InputType::Email => "email",
InputType::File => "file",
InputType::Hidden => "hidden",
InputType::Image => "image",
InputType::Month => "month",
InputType::Number => "number",
InputType::Password => "password",
InputType::Radio => "radio",
InputType::Range => "range",
InputType::Reset => "reset",
InputType::Search => "search",
InputType::Submit => "submit",
InputType::Tel => "tel",
InputType::Text => "text",
InputType::Time => "time",
InputType::Url => "url",
InputType::Week => "week",
}
}
pub fn as_ime_type(&self) -> Option<InputMethodType> {
match *self {
InputType::Color => Some(InputMethodType::Color),
InputType::Date => Some(InputMethodType::Date),
InputType::DatetimeLocal => Some(InputMethodType::DatetimeLocal),
InputType::Email => Some(InputMethodType::Email),
InputType::Month => Some(InputMethodType::Month),
InputType::Number => Some(InputMethodType::Number),
InputType::Password => Some(InputMethodType::Password),
InputType::Search => Some(InputMethodType::Search),
InputType::Tel => Some(InputMethodType::Tel),
InputType::Text => Some(InputMethodType::Text),
InputType::Time => Some(InputMethodType::Time),
InputType::Url => Some(InputMethodType::Url),
InputType::Week => Some(InputMethodType::Week),
_ => None,
}
}
}
impl<'a> From<&'a Atom> for InputType {
fn from(value: &Atom) -> InputType {
match value.to_ascii_lowercase() {
atom!("button") => InputType::Button,
atom!("checkbox") => InputType::Checkbox,
atom!("color") => InputType::Color,
atom!("date") => InputType::Date,
atom!("datetime-local") => InputType::DatetimeLocal,
atom!("email") => InputType::Email,
atom!("file") => InputType::File,
atom!("hidden") => InputType::Hidden,
atom!("image") => InputType::Image,
atom!("month") => InputType::Month,
atom!("number") => InputType::Number,
atom!("password") => InputType::Password,
atom!("radio") => InputType::Radio,
atom!("range") => InputType::Range,
atom!("reset") => InputType::Reset,
atom!("search") => InputType::Search,
atom!("submit") => InputType::Submit,
atom!("tel") => InputType::Tel,
atom!("text") => InputType::Text,
atom!("time") => InputType::Time,
atom!("url") => InputType::Url,
atom!("week") => InputType::Week,
_ => Self::default(),
}
}
}
impl Default for InputType {
fn default() -> InputType {
InputType::Text
}
}
#[derive(Debug, PartialEq)]
enum ValueMode {
Value,
Default,
DefaultOn,
Filename,
}
#[derive(Debug, PartialEq)]
enum StepDirection {
Up,
Down,
}
#[dom_struct]
pub struct HTMLInputElement {
htmlelement: HTMLElement,
input_type: Cell<InputType>,
checked_changed: Cell<bool>,
placeholder: DomRefCell<DOMString>,
size: Cell<u32>,
maxlength: Cell<i32>,
minlength: Cell<i32>,
#[ignore_malloc_size_of = "#7193"]
textinput: DomRefCell<TextInput<ScriptToConstellationChan>>,
activation_state: DomRefCell<InputActivationState>,
// https://html.spec.whatwg.org/multipage/#concept-input-value-dirty-flag
value_dirty: Cell<bool>,
// not specified explicitly, but implied by the fact that sanitization can't
// happen until after all of step/min/max/value content attributes have
// been added
sanitization_flag: Cell<bool>,
filelist: MutNullableDom<FileList>,
form_owner: MutNullableDom<HTMLFormElement>,
labels_node_list: MutNullableDom<NodeList>,
}
#[derive(JSTraceable)]
#[unrooted_must_root_lint::must_root]
#[derive(MallocSizeOf)]
struct InputActivationState {
indeterminate: bool,
checked: bool,
checked_changed: bool,
checked_radio: Option<Dom<HTMLInputElement>>,
// In case mutability changed
was_mutable: bool,
// In case the type changed
old_type: InputType,
}
impl InputActivationState {
fn new() -> InputActivationState {
InputActivationState {
indeterminate: false,
checked: false,
checked_changed: false,
checked_radio: None,
was_mutable: false,
old_type: Default::default(),
}
}
}
static DEFAULT_INPUT_SIZE: u32 = 20;
static DEFAULT_MAX_LENGTH: i32 = -1;
static DEFAULT_MIN_LENGTH: i32 = -1;
impl HTMLInputElement {
fn new_inherited(
local_name: LocalName,
prefix: Option<Prefix>,
document: &Document,
) -> HTMLInputElement {
let chan = document
.window()
.upcast::<GlobalScope>()
.script_to_constellation_chan()
.clone();
HTMLInputElement {
htmlelement: HTMLElement::new_inherited_with_state(
ElementState::IN_ENABLED_STATE | ElementState::IN_READ_WRITE_STATE,
local_name,
prefix,
document,
),
input_type: Cell::new(Default::default()),
placeholder: DomRefCell::new(DOMString::new()),
checked_changed: Cell::new(false),
maxlength: Cell::new(DEFAULT_MAX_LENGTH),
minlength: Cell::new(DEFAULT_MIN_LENGTH),
size: Cell::new(DEFAULT_INPUT_SIZE),
textinput: DomRefCell::new(TextInput::new(
Single,
DOMString::new(),
chan,
None,
None,
SelectionDirection::None,
)),
activation_state: DomRefCell::new(InputActivationState::new()),
value_dirty: Cell::new(false),
sanitization_flag: Cell::new(true),
filelist: MutNullableDom::new(None),
form_owner: Default::default(),
labels_node_list: MutNullableDom::new(None),
}
}
#[allow(unrooted_must_root)]
pub fn new(
local_name: LocalName,
prefix: Option<Prefix>,
document: &Document,
) -> DomRoot<HTMLInputElement> {
Node::reflect_node(
Box::new(HTMLInputElement::new_inherited(
local_name, prefix, document,
)),
document,
HTMLInputElementBinding::Wrap,
)
}
// https://html.spec.whatwg.org/multipage/#dom-input-value
// https://html.spec.whatwg.org/multipage/#concept-input-apply
fn value_mode(&self) -> ValueMode {
match self.input_type() {
InputType::Submit |
InputType::Reset |
InputType::Button |
InputType::Image |
InputType::Hidden => ValueMode::Default,
InputType::Checkbox | InputType::Radio => ValueMode::DefaultOn,
InputType::Color |
InputType::Date |
InputType::DatetimeLocal |
InputType::Email |
InputType::Month |
InputType::Number |
InputType::Password |
InputType::Range |
InputType::Search |
InputType::Tel |
InputType::Text |
InputType::Time |
InputType::Url |
InputType::Week => ValueMode::Value,
InputType::File => ValueMode::Filename,
}
}
#[inline]
pub fn input_type(&self) -> InputType {
self.input_type.get()
}
pub fn disable_sanitization(&self) {
self.sanitization_flag.set(false);
}
pub fn enable_sanitization(&self) {
self.sanitization_flag.set(true);
let mut textinput = self.textinput.borrow_mut();
let mut value = textinput.single_line_content().clone();
self.sanitize_value(&mut value);
textinput.set_content(value);
}
// valueAsNumber, step, min, and max all share the same set of
// input types they apply to
fn does_value_as_number_apply(&self) -> bool {
match self.input_type() {
InputType::Date |
InputType::Month |
InputType::Week |
InputType::Time |
InputType::DatetimeLocal |
InputType::Number |
InputType::Range => true,
_ => false,
}
}
fn does_value_as_date_apply(&self) -> bool {
match self.input_type() {
InputType::Date | InputType::Month | InputType::Week | InputType::Time => true,
// surprisingly, spec says false for DateTimeLocal!
_ => false,
}
}
// https://html.spec.whatwg.org/multipage#concept-input-step
fn allowed_value_step(&self) -> Option<f64> {
if let Some(attr) = self
.upcast::<Element>()
.get_attribute(&ns!(), &local_name!("step"))
{
if let Ok(step) = DOMString::from(attr.summarize().value).parse_floating_point_number()
{
if step > 0.0 {
return Some(step * self.step_scale_factor());
}
}
}
self.default_step()
.map(|step| step * self.step_scale_factor())
}
// https://html.spec.whatwg.org/multipage#concept-input-min
fn minimum(&self) -> Option<f64> {
if let Some(attr) = self
.upcast::<Element>()
.get_attribute(&ns!(), &local_name!("min"))
{
if let Ok(min) = self.convert_string_to_number(&DOMString::from(attr.summarize().value))
{
return Some(min);
}
}
return self.default_minimum();
}
// https://html.spec.whatwg.org/multipage#concept-input-max
fn maximum(&self) -> Option<f64> {
if let Some(attr) = self
.upcast::<Element>()
.get_attribute(&ns!(), &local_name!("max"))
{
if let Ok(max) = self.convert_string_to_number(&DOMString::from(attr.summarize().value))
{
return Some(max);
}
}
return self.default_maximum();
}
// when allowed_value_step and minumum both exist, this is the smallest
// value >= minimum that lies on an integer step
fn stepped_minimum(&self) -> Option<f64> {
match (self.minimum(), self.allowed_value_step()) {
(Some(min), Some(allowed_step)) => {
let step_base = self.step_base();
// how many steps is min from step_base?
let nsteps = (min - step_base) / allowed_step;
// count that many integer steps, rounded +, from step_base
Some(step_base + (allowed_step * nsteps.ceil()))
},
(_, _) => None,
}
}
// when allowed_value_step and maximum both exist, this is the smallest
// value <= maximum that lies on an integer step
fn stepped_maximum(&self) -> Option<f64> {
match (self.maximum(), self.allowed_value_step()) {
(Some(max), Some(allowed_step)) => {
let step_base = self.step_base();
// how many steps is max from step_base?
let nsteps = (max - step_base) / allowed_step;
// count that many integer steps, rounded -, from step_base
Some(step_base + (allowed_step * nsteps.floor()))
},
(_, _) => None,
}
}
// https://html.spec.whatwg.org/multipage#concept-input-min-default
fn default_minimum(&self) -> Option<f64> {
match self.input_type() {
InputType::Range => Some(0.0),
_ => None,
}
}
// https://html.spec.whatwg.org/multipage#concept-input-max-default
fn default_maximum(&self) -> Option<f64> {
match self.input_type() {
InputType::Range => Some(100.0),
_ => None,
}
}
// https://html.spec.whatwg.org/multipage#concept-input-value-default-range
fn default_range_value(&self) -> f64 {
let min = self.minimum().unwrap_or(0.0);
let max = self.maximum().unwrap_or(100.0);
if max < min {
min
} else {
min + (max - min) * 0.5
}
}
// https://html.spec.whatwg.org/multipage#concept-input-step-default
fn default_step(&self) -> Option<f64> {
match self.input_type() {
InputType::Date => Some(1.0),
InputType::Month => Some(1.0),
InputType::Week => Some(1.0),
InputType::Time => Some(60.0),
InputType::DatetimeLocal => Some(60.0),
InputType::Number => Some(1.0),
InputType::Range => Some(1.0),
_ => None,
}
}
// https://html.spec.whatwg.org/multipage#concept-input-step-scale
fn step_scale_factor(&self) -> f64 {
match self.input_type() {
InputType::Date => 86400000.0,
InputType::Month => 1.0,
InputType::Week => 604800000.0,
InputType::Time => 1000.0,
InputType::DatetimeLocal => 1000.0,
InputType::Number => 1.0,
InputType::Range => 1.0,
_ => unreachable!(),
}
}
// https://html.spec.whatwg.org/multipage#concept-input-min-zero
fn step_base(&self) -> f64 {
if let Some(attr) = self
.upcast::<Element>()
.get_attribute(&ns!(), &local_name!("min"))
{
let minstr = &DOMString::from(attr.summarize().value);
if let Ok(min) = self.convert_string_to_number(minstr) {
return min;
}
}
if let Some(attr) = self
.upcast::<Element>()
.get_attribute(&ns!(), &local_name!("value"))
{
if let Ok(value) =
self.convert_string_to_number(&DOMString::from(attr.summarize().value))
{
return value;
}
}
self.default_step_base().unwrap_or(0.0)
}
// https://html.spec.whatwg.org/multipage#concept-input-step-default-base
fn default_step_base(&self) -> Option<f64> {
match self.input_type() {
InputType::Week => Some(-259200000.0),
_ => None,
}
}
// https://html.spec.whatwg.org/multipage/#dom-input-stepdown
// https://html.spec.whatwg.org/multipage/#dom-input-stepup
fn step_up_or_down(&self, n: i32, dir: StepDirection) -> ErrorResult {
// Step 1
if !self.does_value_as_number_apply() {
return Err(Error::InvalidState);
}
let step_base = self.step_base();
// Step 2
let allowed_value_step = match self.allowed_value_step() {
Some(avs) => avs,
None => return Err(Error::InvalidState),
};
let minimum = self.minimum();
let maximum = self.maximum();
if let (Some(min), Some(max)) = (minimum, maximum) {
// Step 3
if min > max {
return Ok(());
}
// Step 4
if let Some(smin) = self.stepped_minimum() {
if smin > max {
return Ok(());
}
}
}
// Step 5
let mut value: f64 = self.convert_string_to_number(&self.Value()).unwrap_or(0.0);
// Step 6
let valueBeforeStepping = value;
// Step 7
if (value - step_base) % allowed_value_step != 0.0 {
value = match dir {
StepDirection::Down =>
//step down a fractional step to be on a step multiple
{
let intervals_from_base = ((value - step_base) / allowed_value_step).floor();
intervals_from_base * allowed_value_step + step_base
}
StepDirection::Up =>
// step up a fractional step to be on a step multiple
{
let intervals_from_base = ((value - step_base) / allowed_value_step).ceil();
intervals_from_base * allowed_value_step + step_base
}
};
} else {
value = value +
match dir {
StepDirection::Down => -f64::from(n) * allowed_value_step,
StepDirection::Up => f64::from(n) * allowed_value_step,
};
}
// Step 8
if let Some(min) = minimum {
if value < min {
value = self.stepped_minimum().unwrap_or(value);
}
}
// Step 9
if let Some(max) = maximum {
if value > max {
value = self.stepped_maximum().unwrap_or(value);
}
}
// Step 10
match dir {
StepDirection::Down => {
if value > valueBeforeStepping {
return Ok(());
}
},
StepDirection::Up => {
if value < valueBeforeStepping {
return Ok(());
}
},
}
// Step 11
self.SetValueAsNumber(value)
}
// https://html.spec.whatwg.org/multipage/#concept-input-list
fn suggestions_source_element(&self) -> Option<DomRoot<HTMLElement>> {
let list_string = self
.upcast::<Element>()
.get_string_attribute(&local_name!("list"));
if list_string.is_empty() {
return None;
}
let ancestor = self
.upcast::<Node>()
.GetRootNode(&GetRootNodeOptions::empty());
let first_with_id = &ancestor
.traverse_preorder(ShadowIncluding::No)
.find(|node| {
node.downcast::<Element>()
.map_or(false, |e| e.Id() == list_string)
});
first_with_id
.as_ref()
.and_then(|el| {
el.downcast::<HTMLDataListElement>()
.map(|data_el| data_el.upcast::<HTMLElement>())
})
.map(|el| DomRoot::from_ref(&*el))
}
}
pub trait LayoutHTMLInputElementHelpers {
#[allow(unsafe_code)]
unsafe fn value_for_layout(self) -> String;
#[allow(unsafe_code)]
unsafe fn size_for_layout(self) -> u32;
#[allow(unsafe_code)]
unsafe fn selection_for_layout(self) -> Option<Range<usize>>;
#[allow(unsafe_code)]
unsafe fn checked_state_for_layout(self) -> bool;
#[allow(unsafe_code)]
unsafe fn indeterminate_state_for_layout(self) -> bool;
}
#[allow(unsafe_code)]
unsafe fn get_raw_textinput_value(input: LayoutDom<HTMLInputElement>) -> DOMString {
(*input.unsafe_get())
.textinput
.borrow_for_layout()
.get_content()
}
impl LayoutHTMLInputElementHelpers for LayoutDom<HTMLInputElement> {
#[allow(unsafe_code)]
unsafe fn value_for_layout(self) -> String {
#[allow(unsafe_code)]
unsafe fn get_raw_attr_value(input: LayoutDom<HTMLInputElement>, default: &str) -> String {
let elem = input.upcast::<Element>();
let value = (*elem.unsafe_get())
.get_attr_val_for_layout(&ns!(), &local_name!("value"))
.unwrap_or(default);
String::from(value)
}
match (*self.unsafe_get()).input_type() {
InputType::Checkbox | InputType::Radio => String::new(),
InputType::File | InputType::Image => String::new(),
InputType::Button => get_raw_attr_value(self, ""),
InputType::Submit => get_raw_attr_value(self, DEFAULT_SUBMIT_VALUE),
InputType::Reset => get_raw_attr_value(self, DEFAULT_RESET_VALUE),
InputType::Password => {
let text = get_raw_textinput_value(self);
if !text.is_empty() {
text.chars().map(|_| PASSWORD_REPLACEMENT_CHAR).collect()
} else {
String::from((*self.unsafe_get()).placeholder.borrow_for_layout().clone())
}
},
_ => {
let text = get_raw_textinput_value(self);
if !text.is_empty() {
String::from(text)
} else {
String::from((*self.unsafe_get()).placeholder.borrow_for_layout().clone())
}
},
}
}
#[allow(unrooted_must_root)]
#[allow(unsafe_code)]
unsafe fn size_for_layout(self) -> u32 {
(*self.unsafe_get()).size.get()
}
#[allow(unrooted_must_root)]
#[allow(unsafe_code)]
unsafe fn selection_for_layout(self) -> Option<Range<usize>> {
if !(*self.unsafe_get()).upcast::<Element>().focus_state() {
return None;
}
let textinput = (*self.unsafe_get()).textinput.borrow_for_layout();
match (*self.unsafe_get()).input_type() {
InputType::Password => {
let text = get_raw_textinput_value(self);
let sel = UTF8Bytes::unwrap_range(textinput.sorted_selection_offsets_range());
// Translate indices from the raw value to indices in the replacement value.
let char_start = text[..sel.start].chars().count();
let char_end = char_start + text[sel].chars().count();
let bytes_per_char = PASSWORD_REPLACEMENT_CHAR.len_utf8();
Some(char_start * bytes_per_char..char_end * bytes_per_char)
},
input_type if input_type.is_textual() => Some(UTF8Bytes::unwrap_range(
textinput.sorted_selection_offsets_range(),
)),
_ => None,
}
}
#[allow(unrooted_must_root)]
#[allow(unsafe_code)]
unsafe fn checked_state_for_layout(self) -> bool {
self.upcast::<Element>()
.get_state_for_layout()
.contains(ElementState::IN_CHECKED_STATE)
}
#[allow(unrooted_must_root)]
#[allow(unsafe_code)]
unsafe fn indeterminate_state_for_layout(self) -> bool {
self.upcast::<Element>()
.get_state_for_layout()
.contains(ElementState::IN_INDETERMINATE_STATE)
}
}
impl TextControlElement for HTMLInputElement {
// https://html.spec.whatwg.org/multipage/#concept-input-apply
fn selection_api_applies(&self) -> bool {
match self.input_type() {
InputType::Text |
InputType::Search |
InputType::Url |
InputType::Tel |
InputType::Password => true,
_ => false,
}
}
// https://html.spec.whatwg.org/multipage/#concept-input-apply
//
// Defines input types to which the select() IDL method applies. These are a superset of the
// types for which selection_api_applies() returns true.
//
// Types omitted which could theoretically be included if they were
// rendered as a text control: file
fn has_selectable_text(&self) -> bool {
match self.input_type() {
InputType::Text |
InputType::Search |
InputType::Url |
InputType::Tel |
InputType::Password |
InputType::Email |
InputType::Date |
InputType::Month |
InputType::Week |
InputType::Time |
InputType::DatetimeLocal |
InputType::Number |
InputType::Color => true,
InputType::Button |
InputType::Checkbox |
InputType::File |
InputType::Hidden |
InputType::Image |
InputType::Radio |
InputType::Range |
InputType::Reset |
InputType::Submit => false,
}
}
fn set_dirty_value_flag(&self, value: bool) {
self.value_dirty.set(value)
}
}
impl HTMLInputElementMethods for HTMLInputElement {
// https://html.spec.whatwg.org/multipage/#dom-input-accept
make_getter!(Accept, "accept");
// https://html.spec.whatwg.org/multipage/#dom-input-accept
make_setter!(SetAccept, "accept");
// https://html.spec.whatwg.org/multipage/#dom-input-alt
make_getter!(Alt, "alt");
// https://html.spec.whatwg.org/multipage/#dom-input-alt
make_setter!(SetAlt, "alt");
// https://html.spec.whatwg.org/multipage/#dom-input-dirName
make_getter!(DirName, "dirname");
// https://html.spec.whatwg.org/multipage/#dom-input-dirName
make_setter!(SetDirName, "dirname");
// https://html.spec.whatwg.org/multipage/#dom-fe-disabled
make_bool_getter!(Disabled, "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<DomRoot<HTMLFormElement>> {
self.form_owner()
}
// https://html.spec.whatwg.org/multipage/#dom-input-files
fn GetFiles(&self) -> Option<DomRoot<FileList>> {
match self.filelist.get() {
Some(ref fl) => Some(fl.clone()),
None => None,
}
}
// https://html.spec.whatwg.org/multipage/#dom-input-defaultchecked
make_bool_getter!(DefaultChecked, "checked");
// https://html.spec.whatwg.org/multipage/#dom-input-defaultchecked
make_bool_setter!(SetDefaultChecked, "checked");
// https://html.spec.whatwg.org/multipage/#dom-input-checked
fn Checked(&self) -> bool {
self.upcast::<Element>()
.state()
.contains(ElementState::IN_CHECKED_STATE)
}
// https://html.spec.whatwg.org/multipage/#dom-input-checked
fn SetChecked(&self, checked: bool) {
self.update_checked_state(checked, true);
}
// https://html.spec.whatwg.org/multipage/#dom-input-readonly
make_bool_getter!(ReadOnly, "readonly");
// https://html.spec.whatwg.org/multipage/#dom-input-readonly
make_bool_setter!(SetReadOnly, "readonly");
// https://html.spec.whatwg.org/multipage/#dom-input-size
make_uint_getter!(Size, "size", DEFAULT_INPUT_SIZE);
// https://html.spec.whatwg.org/multipage/#dom-input-size
make_limited_uint_setter!(SetSize, "size", DEFAULT_INPUT_SIZE);
// https://html.spec.whatwg.org/multipage/#dom-input-type
fn Type(&self) -> DOMString {
DOMString::from(self.input_type().to_str())
}
// https://html.spec.whatwg.org/multipage/#dom-input-type
make_atomic_setter!(SetType, "type");
// https://html.spec.whatwg.org/multipage/#dom-input-value
fn Value(&self) -> DOMString {
match self.value_mode() {
ValueMode::Value => self.textinput.borrow().get_content(),
ValueMode::Default => self
.upcast::<Element>()
.get_attribute(&ns!(), &local_name!("value"))
.map_or(DOMString::from(""), |a| {
DOMString::from(a.summarize().value)
}),
ValueMode::DefaultOn => self
.upcast::<Element>()
.get_attribute(&ns!(), &local_name!("value"))
.map_or(DOMString::from("on"), |a| {
DOMString::from(a.summarize().value)
}),
ValueMode::Filename => {
let mut path = DOMString::from("");
match self.filelist.get() {
Some(ref fl) => match fl.Item(0) {
Some(ref f) => {
path.push_str("C:\\fakepath\\");
path.push_str(f.name());
path
},
None => path,
},
None => path,
}
},
}
}
// https://html.spec.whatwg.org/multipage/#dom-input-value
fn SetValue(&self, mut value: DOMString) -> ErrorResult {
match self.value_mode() {
ValueMode::Value => {
// Step 3.
self.value_dirty.set(true);
// Step 4.
self.sanitize_value(&mut value);
let mut textinput = self.textinput.borrow_mut();
// Step 5.
if *textinput.single_line_content() != value {
// Steps 1-2
textinput.set_content(value);
// Step 5.
textinput.clear_selection_to_limit(Direction::Forward);
}
},
ValueMode::Default | ValueMode::DefaultOn => {
self.upcast::<Element>()
.set_string_attribute(&local_name!("value"), value);
},
ValueMode::Filename => {
if value.is_empty() {
let window = window_from_node(self);
let fl = FileList::new(&window, vec![]);
self.filelist.set(Some(&fl));
} else {
return Err(Error::InvalidState);
}
},
}
self.upcast::<Node>().dirty(NodeDamage::OtherNodeDamage);
Ok(())
}
// https://html.spec.whatwg.org/multipage/#dom-input-defaultvalue
make_getter!(DefaultValue, "value");
// https://html.spec.whatwg.org/multipage/#dom-input-defaultvalue
make_setter!(SetDefaultValue, "value");
// https://html.spec.whatwg.org/multipage/#dom-input-min
make_getter!(Min, "min");
// https://html.spec.whatwg.org/multipage/#dom-input-min
make_setter!(SetMin, "min");
// https://html.spec.whatwg.org/multipage/#dom-input-list
fn GetList(&self) -> Option<DomRoot<HTMLElement>> {
self.suggestions_source_element()
}
// https://html.spec.whatwg.org/multipage/#dom-input-valueasdate
#[allow(unsafe_code)]
fn GetValueAsDate(&self, cx: SafeJSContext) -> Option<NonNull<JSObject>> {
self.convert_string_to_naive_datetime(self.Value())
.map(|dt| unsafe {
let time = ClippedTime {
t: dt.timestamp_millis() as f64,
};
NonNull::new_unchecked(NewDateObject(*cx, time))
})
.ok()
}
// https://html.spec.whatwg.org/multipage/#dom-input-valueasdate
#[allow(unsafe_code)]
fn SetValueAsDate(&self, cx: SafeJSContext, value: *mut JSObject) -> ErrorResult {
rooted!(in(*cx) let value = value);
if !self.does_value_as_date_apply() {
return Err(Error::InvalidState);
}
if value.is_null() {
return self.SetValue(DOMString::from(""));
}
let mut msecs: f64 = 0.0;
// We need to go through unsafe code to interrogate jsapi about a Date.
// To minimize the amount of unsafe code to maintain, this just gets the milliseconds,
// which we then reinflate into a NaiveDate for use in safe code.
unsafe {
let mut isDate = false;
if !ObjectIsDate(*cx, Handle::from(value.handle()), &mut isDate) {
return Err(Error::JSFailed);
}
if !isDate {
return Err(Error::Type("Value was not a date".to_string()));
}
if !DateGetMsecSinceEpoch(*cx, Handle::from(value.handle()), &mut msecs) {
return Err(Error::JSFailed);
}
if !msecs.is_finite() {
return self.SetValue(DOMString::from(""));
}
}
// now we make a Rust date out of it so we can use safe code for the
// actual conversion logic
match milliseconds_to_datetime(msecs) {
Ok(dt) => match self.convert_naive_datetime_to_string(dt) {
Ok(converted) => self.SetValue(converted),
_ => self.SetValue(DOMString::from("")),
},
_ => self.SetValue(DOMString::from("")),
}
}
// https://html.spec.whatwg.org/multipage/#dom-input-valueasnumber
fn ValueAsNumber(&self) -> f64 {
self.convert_string_to_number(&self.Value())
.unwrap_or(std::f64::NAN)
}
// https://html.spec.whatwg.org/multipage/#dom-input-valueasnumber
fn SetValueAsNumber(&self, value: f64) -> ErrorResult {
if value.is_infinite() {
Err(Error::Type("value is not finite".to_string()))
} else if !self.does_value_as_number_apply() {
Err(Error::InvalidState)
} else if value.is_nan() {
self.SetValue(DOMString::from(""))
} else if let Ok(converted) = self.convert_number_to_string(value) {
self.SetValue(converted)
} else {
// The most literal spec-compliant implementation would
// use bignum chrono types so overflow is impossible,
// but just setting an overflow to the empty string matches
// Firefox's behavior.
// (for example, try input.valueAsNumber=1e30 on a type="date" input)
self.SetValue(DOMString::from(""))
}
}
// https://html.spec.whatwg.org/multipage/#attr-fe-name
make_getter!(Name, "name");
// https://html.spec.whatwg.org/multipage/#attr-fe-name
make_atomic_setter!(SetName, "name");
// https://html.spec.whatwg.org/multipage/#dom-input-placeholder
make_getter!(Placeholder, "placeholder");
// https://html.spec.whatwg.org/multipage/#dom-input-placeholder
make_setter!(SetPlaceholder, "placeholder");
// https://html.spec.whatwg.org/multipage/#dom-input-formaction
make_form_action_getter!(FormAction, "formaction");
// https://html.spec.whatwg.org/multipage/#dom-input-formaction
make_setter!(SetFormAction, "formaction");
// https://html.spec.whatwg.org/multipage/#dom-input-formenctype
make_enumerated_getter!(
FormEnctype,
"formenctype",
"application/x-www-form-urlencoded",
"text/plain" | "multipart/form-data"
);
// https://html.spec.whatwg.org/multipage/#dom-input-formenctype
make_setter!(SetFormEnctype, "formenctype");
// https://html.spec.whatwg.org/multipage/#dom-input-formmethod
make_enumerated_getter!(FormMethod, "formmethod", "get", "post" | "dialog");
// https://html.spec.whatwg.org/multipage/#dom-input-formmethod
make_setter!(SetFormMethod, "formmethod");
// https://html.spec.whatwg.org/multipage/#dom-input-formtarget
make_getter!(FormTarget, "formtarget");
// https://html.spec.whatwg.org/multipage/#dom-input-formtarget
make_setter!(SetFormTarget, "formtarget");
// https://html.spec.whatwg.org/multipage/#attr-fs-formnovalidate
make_bool_getter!(FormNoValidate, "formnovalidate");
// https://html.spec.whatwg.org/multipage/#attr-fs-formnovalidate
make_bool_setter!(SetFormNoValidate, "formnovalidate");
// https://html.spec.whatwg.org/multipage/#dom-input-max
make_getter!(Max, "max");
// https://html.spec.whatwg.org/multipage/#dom-input-max
make_setter!(SetMax, "max");
// https://html.spec.whatwg.org/multipage/#dom-input-maxlength
make_int_getter!(MaxLength, "maxlength", DEFAULT_MAX_LENGTH);
// https://html.spec.whatwg.org/multipage/#dom-input-maxlength
make_limited_int_setter!(SetMaxLength, "maxlength", DEFAULT_MAX_LENGTH);
// https://html.spec.whatwg.org/multipage/#dom-input-minlength
make_int_getter!(MinLength, "minlength", DEFAULT_MIN_LENGTH);
// https://html.spec.whatwg.org/multipage/#dom-input-minlength
make_limited_int_setter!(SetMinLength, "minlength", DEFAULT_MIN_LENGTH);
// https://html.spec.whatwg.org/multipage/#dom-input-multiple
make_bool_getter!(Multiple, "multiple");
// https://html.spec.whatwg.org/multipage/#dom-input-multiple
make_bool_setter!(SetMultiple, "multiple");
// https://html.spec.whatwg.org/multipage/#dom-input-pattern
make_getter!(Pattern, "pattern");
// https://html.spec.whatwg.org/multipage/#dom-input-pattern
make_setter!(SetPattern, "pattern");
// https://html.spec.whatwg.org/multipage/#dom-input-required
make_bool_getter!(Required, "required");
// https://html.spec.whatwg.org/multipage/#dom-input-required
make_bool_setter!(SetRequired, "required");
// https://html.spec.whatwg.org/multipage/#dom-input-src
make_url_getter!(Src, "src");
// https://html.spec.whatwg.org/multipage/#dom-input-src
make_url_setter!(SetSrc, "src");
// https://html.spec.whatwg.org/multipage/#dom-input-step
make_getter!(Step, "step");
// https://html.spec.whatwg.org/multipage/#dom-input-step
make_setter!(SetStep, "step");
// https://html.spec.whatwg.org/multipage/#dom-input-indeterminate
fn Indeterminate(&self) -> bool {
self.upcast::<Element>()
.state()
.contains(ElementState::IN_INDETERMINATE_STATE)
}
// https://html.spec.whatwg.org/multipage/#dom-input-indeterminate
fn SetIndeterminate(&self, val: bool) {
self.upcast::<Element>()
.set_state(ElementState::IN_INDETERMINATE_STATE, val)
}
// https://html.spec.whatwg.org/multipage/#dom-lfe-labels
// Different from make_labels_getter because this one
// conditionally returns null.
fn GetLabels(&self) -> Option<DomRoot<NodeList>> {
if self.input_type() == InputType::Hidden {
None
} else {
Some(self.labels_node_list.or_init(|| {
NodeList::new_labels_list(
self.upcast::<Node>().owner_doc().window(),
self.upcast::<HTMLElement>(),
)
}))
}
}
// https://html.spec.whatwg.org/multipage/#dom-textarea/input-select
fn Select(&self) {
self.selection().dom_select();
}
// https://html.spec.whatwg.org/multipage/#dom-textarea/input-selectionstart
fn GetSelectionStart(&self) -> Option<u32> {
self.selection().dom_start()
}
// https://html.spec.whatwg.org/multipage/#dom-textarea/input-selectionstart
fn SetSelectionStart(&self, start: Option<u32>) -> ErrorResult {
self.selection().set_dom_start(start)
}
// https://html.spec.whatwg.org/multipage/#dom-textarea/input-selectionend
fn GetSelectionEnd(&self) -> Option<u32> {
self.selection().dom_end()
}
// https://html.spec.whatwg.org/multipage/#dom-textarea/input-selectionend
fn SetSelectionEnd(&self, end: Option<u32>) -> ErrorResult {
self.selection().set_dom_end(end)
}
// https://html.spec.whatwg.org/multipage/#dom-textarea/input-selectiondirection
fn GetSelectionDirection(&self) -> Option<DOMString> {
self.selection().dom_direction()
}
// https://html.spec.whatwg.org/multipage/#dom-textarea/input-selectiondirection
fn SetSelectionDirection(&self, direction: Option<DOMString>) -> ErrorResult {
self.selection().set_dom_direction(direction)
}
// https://html.spec.whatwg.org/multipage/#dom-textarea/input-setselectionrange
fn SetSelectionRange(&self, start: u32, end: u32, direction: Option<DOMString>) -> ErrorResult {
self.selection().set_dom_range(start, end, direction)
}
// https://html.spec.whatwg.org/multipage/#dom-textarea/input-setrangetext
fn SetRangeText(&self, replacement: DOMString) -> ErrorResult {
self.selection()
.set_dom_range_text(replacement, None, None, Default::default())
}
// https://html.spec.whatwg.org/multipage/#dom-textarea/input-setrangetext
fn SetRangeText_(
&self,
replacement: DOMString,
start: u32,
end: u32,
selection_mode: SelectionMode,
) -> ErrorResult {
self.selection()
.set_dom_range_text(replacement, Some(start), Some(end), selection_mode)
}
// Select the files based on filepaths passed in,
// enabled by dom.htmlinputelement.select_files.enabled,
// used for test purpose.
// check-tidy: no specs after this line
fn SelectFiles(&self, paths: Vec<DOMString>) {
if self.input_type() == InputType::File {
self.select_files(Some(paths));
}
}
// https://html.spec.whatwg.org/multipage/#dom-input-stepup
fn StepUp(&self, n: i32) -> ErrorResult {
self.step_up_or_down(n, StepDirection::Up)
}
// https://html.spec.whatwg.org/multipage/#dom-input-stepdown
fn StepDown(&self, n: i32) -> ErrorResult {
self.step_up_or_down(n, StepDirection::Down)
}
}
#[allow(unsafe_code)]
fn broadcast_radio_checked(broadcaster: &HTMLInputElement, group: Option<&Atom>) {
match group {
None | Some(&atom!("")) => {
// Radio input elements with a missing or empty name are alone in their
// own group.
return;
},
_ => {},
}
//TODO: if not in document, use root ancestor instead of document
let owner = broadcaster.form_owner();
let doc = document_from_node(broadcaster);
// This function is a workaround for lifetime constraint difficulties.
fn do_broadcast(
doc_node: &Node,
broadcaster: &HTMLInputElement,
owner: Option<&HTMLFormElement>,
group: Option<&Atom>,
) {
let iter = doc_node
.query_selector_iter(DOMString::from("input[type=radio]"))
.unwrap()
.filter_map(DomRoot::downcast::<HTMLInputElement>)
.filter(|r| in_same_group(&r, owner, group) && broadcaster != &**r);
for ref r in iter {
if r.Checked() {
r.SetChecked(false);
}
}
}
do_broadcast(doc.upcast(), broadcaster, owner.as_deref(), group)
}
// https://html.spec.whatwg.org/multipage/#radio-button-group
fn in_same_group(
other: &HTMLInputElement,
owner: Option<&HTMLFormElement>,
group: Option<&Atom>,
) -> bool {
other.input_type() == InputType::Radio &&
// TODO Both a and b are in the same home subtree.
other.form_owner().as_deref() == owner &&
match (other.radio_group_name(), group) {
(Some(ref s1), Some(s2)) => s1 == s2 && s2 != &atom!(""),
_ => false
}
}
impl HTMLInputElement {
fn radio_group_updated(&self, group: Option<&Atom>) {
if self.Checked() {
broadcast_radio_checked(self, group);
}
}
/// <https://html.spec.whatwg.org/multipage/#constructing-the-form-data-set>
/// Steps range from 5.1 to 5.10 (specific to HTMLInputElement)
pub fn form_datums(
&self,
submitter: Option<FormSubmitter>,
encoding: Option<&'static Encoding>,
) -> Vec<FormDatum> {
// 3.1: disabled state check is in get_unclean_dataset
// Step 5.2
let ty = self.Type();
// Step 5.4
let name = self.Name();
let is_submitter = match submitter {
Some(FormSubmitter::InputElement(s)) => self == s,
_ => false,
};
match self.input_type() {
// Step 5.1: it's a button but it is not submitter.
InputType::Submit | InputType::Button | InputType::Reset if !is_submitter => {
return vec![];
},
// Step 5.1: it's the "Checkbox" or "Radio Button" and whose checkedness is false.
InputType::Radio | InputType::Checkbox => {
if !self.Checked() || name.is_empty() {
return vec![];
}
},
InputType::File => {
let mut datums = vec![];
// Step 5.2-5.7
let name = self.Name();
match self.GetFiles() {
Some(fl) => {
for f in fl.iter_files() {
datums.push(FormDatum {
ty: ty.clone(),
name: name.clone(),
value: FormDatumValue::File(DomRoot::from_ref(&f)),
});
}
},
None => {
datums.push(FormDatum {
// XXX(izgzhen): Spec says 'application/octet-stream' as the type,
// but this is _type_ of element rather than content right?
ty: ty.clone(),
name: name.clone(),
value: FormDatumValue::String(DOMString::from("")),
})
},
}
return datums;
},
InputType::Image => return vec![], // Unimplemented
// Step 5.10: it's a hidden field named _charset_
InputType::Hidden => {
if name == "_charset_" {
return vec![FormDatum {
ty: ty.clone(),
name: name,
value: FormDatumValue::String(match encoding {
None => DOMString::from("UTF-8"),
Some(enc) => DOMString::from(enc.name()),
}),
}];
}
},
// Step 5.1: it's not the "Image Button" and doesn't have a name attribute.
_ => {
if name.is_empty() {
return vec![];
}
},
}
// Step 5.12
vec![FormDatum {
ty: ty.clone(),
name: name,
value: FormDatumValue::String(self.Value()),
}]
}
// https://html.spec.whatwg.org/multipage/#radio-button-group
fn radio_group_name(&self) -> Option<Atom> {
//TODO: determine form owner
self.upcast::<Element>()
.get_attribute(&ns!(), &local_name!("name"))
.map(|name| name.value().as_atom().clone())
}
fn update_checked_state(&self, checked: bool, dirty: bool) {
self.upcast::<Element>()
.set_state(ElementState::IN_CHECKED_STATE, checked);
if dirty {
self.checked_changed.set(true);
}
if self.input_type() == InputType::Radio && checked {
broadcast_radio_checked(self, self.radio_group_name().as_ref());
}
self.upcast::<Node>().dirty(NodeDamage::OtherNodeDamage);
//TODO: dispatch change event
}
// https://html.spec.whatwg.org/multipage/#concept-fe-mutable
fn is_mutable(&self) -> bool {
// https://html.spec.whatwg.org/multipage/#the-input-element:concept-fe-mutable
// https://html.spec.whatwg.org/multipage/#the-readonly-attribute:concept-fe-mutable
!(self.upcast::<Element>().disabled_state() || self.ReadOnly())
}
// https://html.spec.whatwg.org/multipage/#the-input-element:concept-form-reset-control
pub fn reset(&self) {
match self.input_type() {
InputType::Radio | InputType::Checkbox => {
self.update_checked_state(self.DefaultChecked(), false);
self.checked_changed.set(false);
},
InputType::Image => (),
_ => (),
}
self.textinput.borrow_mut().set_content(self.DefaultValue());
self.value_dirty.set(false);
self.upcast::<Node>().dirty(NodeDamage::OtherNodeDamage);
}
fn update_placeholder_shown_state(&self) {
if !self.input_type().is_textual_or_password() {
return;
}
let has_placeholder = !self.placeholder.borrow().is_empty();
let has_value = !self.textinput.borrow().is_empty();
let el = self.upcast::<Element>();
el.set_placeholder_shown_state(has_placeholder && !has_value);
}
// https://html.spec.whatwg.org/multipage/#file-upload-state-(type=file)
// Select files by invoking UI or by passed in argument
fn select_files(&self, opt_test_paths: Option<Vec<DOMString>>) {
let window = window_from_node(self);
let origin = get_blob_origin(&window.get_url());
let resource_threads = window.upcast::<GlobalScope>().resource_threads();
let mut files: Vec<DomRoot<File>> = vec![];
let mut error = None;
let filter = filter_from_accept(&self.Accept());
let target = self.upcast::<EventTarget>();
if self.Multiple() {
let opt_test_paths =
opt_test_paths.map(|paths| paths.iter().map(|p| p.to_string()).collect());
let (chan, recv) = ipc::channel(self.global().time_profiler_chan().clone())
.expect("Error initializing channel");
let msg = FileManagerThreadMsg::SelectFiles(filter, chan, origin, opt_test_paths);
let _ = resource_threads
.send(CoreResourceMsg::ToFileManager(msg))
.unwrap();
match recv.recv().expect("IpcSender side error") {
Ok(selected_files) => {
for selected in selected_files {
files.push(File::new_from_selected(&window, selected));
}
},
Err(err) => error = Some(err),
};
} else {
let opt_test_path = match opt_test_paths {
Some(paths) => {
if paths.len() == 0 {
return;
} else {
Some(paths[0].to_string()) // neglect other paths
}
},
None => None,
};
let (chan, recv) = ipc::channel(self.global().time_profiler_chan().clone())
.expect("Error initializing channel");
let msg = FileManagerThreadMsg::SelectFile(filter, chan, origin, opt_test_path);
let _ = resource_threads
.send(CoreResourceMsg::ToFileManager(msg))
.unwrap();
match recv.recv().expect("IpcSender side error") {
Ok(selected) => {
files.push(File::new_from_selected(&window, selected));
},
Err(err) => error = Some(err),
};
}
if let Some(err) = error {
debug!("Input file select error: {:?}", err);
} else {
let filelist = FileList::new(&window, files);
self.filelist.set(Some(&filelist));
target.fire_bubbling_event(atom!("input"));
target.fire_bubbling_event(atom!("change"));
}
}
// https://html.spec.whatwg.org/multipage/#value-sanitization-algorithm
fn sanitize_value(&self, value: &mut DOMString) {
// if sanitization_flag is false, we are setting content attributes
// on an element we haven't really finished creating; we will
// enable the flag and really sanitize before this element becomes
// observable.
if !self.sanitization_flag.get() {
return;
}
match self.input_type() {
InputType::Text | InputType::Search | InputType::Tel | InputType::Password => {
value.strip_newlines();
},
InputType::Url => {
value.strip_newlines();
value.strip_leading_and_trailing_ascii_whitespace();
},
InputType::Date => {
if !value.is_valid_date_string() {
value.clear();
}
},
InputType::Month => {
if !value.is_valid_month_string() {
value.clear();
}
},
InputType::Week => {
if !value.is_valid_week_string() {
value.clear();
}
},
InputType::Color => {
let is_valid = {
let mut chars = value.chars();
if value.len() == 7 && chars.next() == Some('#') {
chars.all(|c| c.is_digit(16))
} else {
false
}
};
if is_valid {
value.make_ascii_lowercase();
} else {
*value = "#000000".into();
}
},
InputType::Time => {
if !value.is_valid_time_string() {
value.clear();
}
},
InputType::DatetimeLocal => {
if value
.convert_valid_normalized_local_date_and_time_string()
.is_err()
{
value.clear();
}
},
InputType::Number => {
if !value.is_valid_floating_point_number_string() {
value.clear();
}
// Spec says that user agent "may" round the value
// when it's suffering a step mismatch, but WPT tests
// want it unrounded, and this matches other browser
// behavior (typing an unrounded number into an
// integer field box and pressing enter generally keeps
// the number intact but makes the input box :invalid)
},
// https://html.spec.whatwg.org/multipage/#range-state-(type=range):value-sanitization-algorithm
InputType::Range => {
if !value.is_valid_floating_point_number_string() {
*value = DOMString::from(self.default_range_value().to_string());
}
if let Ok(fval) = &value.parse::<f64>() {
let mut fval = *fval;
// comparing max first, because if they contradict
// the spec wants min to be the one that applies
if let Some(max) = self.maximum() {
if fval > max {
fval = max;
}
}
if let Some(min) = self.minimum() {
if fval < min {
fval = min;
}
}
// https://html.spec.whatwg.org/multipage/#range-state-(type=range):suffering-from-a-step-mismatch
// Spec does not describe this in a way that lends itself to
// reproducible handling of floating-point rounding;
// Servo may fail a WPT test because .1 * 6 == 6.000000000000001
if let Some(allowed_value_step) = self.allowed_value_step() {
let step_base = self.step_base();
let steps_from_base = (fval - step_base) / allowed_value_step;
if steps_from_base.fract() != 0.0 {
// not an integer number of steps, there's a mismatch
// round the number of steps...
let int_steps = round_halves_positive(steps_from_base);
// and snap the value to that rounded value...
fval = int_steps * allowed_value_step + step_base;
// but if after snapping we're now outside min..max
// we have to adjust! (adjusting to min last because
// that "wins" over max in the spec)
if let Some(stepped_maximum) = self.stepped_maximum() {
if fval > stepped_maximum {
fval = stepped_maximum;
}
}
if let Some(stepped_minimum) = self.stepped_minimum() {
if fval < stepped_minimum {
fval = stepped_minimum;
}
}
}
}
*value = DOMString::from(fval.to_string());
};
},
InputType::Email => {
if !self.Multiple() {
value.strip_newlines();
value.strip_leading_and_trailing_ascii_whitespace();
} else {
let sanitized = str_join(
split_commas(value).map(|token| {
let mut token = DOMString::from_string(token.to_string());
token.strip_newlines();
token.strip_leading_and_trailing_ascii_whitespace();
token
}),
",",
);
value.clear();
value.push_str(sanitized.as_str());
}
},
// The following inputs don't have a value sanitization algorithm.
// See https://html.spec.whatwg.org/multipage/#value-sanitization-algorithm
InputType::Button |
InputType::Checkbox |
InputType::File |
InputType::Hidden |
InputType::Image |
InputType::Radio |
InputType::Reset |
InputType::Submit => (),
}
}
#[allow(unrooted_must_root)]
fn selection(&self) -> TextControlSelection<Self> {
TextControlSelection::new(&self, &self.textinput)
}
// https://html.spec.whatwg.org/multipage/#implicit-submission
#[allow(unsafe_code)]
fn implicit_submission(&self, ctrl_key: bool, shift_key: bool, alt_key: bool, meta_key: bool) {
let doc = document_from_node(self);
let node = doc.upcast::<Node>();
let owner = self.form_owner();
let form = match owner {
None => return,
Some(ref f) => f,
};
if self.upcast::<Element>().click_in_progress() {
return;
}
let submit_button;
submit_button = node
.query_selector_iter(DOMString::from("input[type=submit]"))
.unwrap()
.filter_map(DomRoot::downcast::<HTMLInputElement>)
.find(|r| r.form_owner() == owner);
match submit_button {
Some(ref button) => {
if button.is_instance_activatable() {
synthetic_click_activation(
button.as_element(),
ctrl_key,
shift_key,
alt_key,
meta_key,
ActivationSource::NotFromClick,
)
}
},
None => {
let inputs = node
.query_selector_iter(DOMString::from("input"))
.unwrap()
.filter_map(DomRoot::downcast::<HTMLInputElement>)
.filter(|input| {
input.form_owner() == owner &&
match input.input_type() {
InputType::Text |
InputType::Search |
InputType::Url |
InputType::Tel |
InputType::Email |
InputType::Password |
InputType::Date |
InputType::Month |
InputType::Week |
InputType::Time |
InputType::DatetimeLocal |
InputType::Number => true,
_ => false,
}
});
if inputs.skip(1).next().is_some() {
// lazily test for > 1 submission-blocking inputs
return;
}
form.submit(
SubmittedFrom::NotFromForm,
FormSubmitter::FormElement(&form),
);
},
}
}
// https://html.spec.whatwg.org/multipage/#concept-input-value-string-number
fn convert_string_to_number(&self, value: &DOMString) -> Result<f64, ()> {
match self.input_type() {
InputType::Date => match value.parse_date_string() {
Ok((year, month, day)) => {
let d = NaiveDate::from_ymd(year, month, day);
let duration = d.signed_duration_since(NaiveDate::from_ymd(1970, 1, 1));
Ok(duration.num_milliseconds() as f64)
},
_ => Err(()),
},
InputType::Month => match value.parse_month_string() {
// This one returns number of months, not milliseconds
// (specification requires this, presumably because number of
// milliseconds is not consistent across months)
// the - 1.0 is because january is 1, not 0
Ok((year, month)) => Ok(((year - 1970) * 12) as f64 + (month as f64 - 1.0)),
_ => Err(()),
},
InputType::Week => match value.parse_week_string() {
Ok((year, weeknum)) => {
let d = NaiveDate::from_isoywd(year, weeknum, Weekday::Mon);
let duration = d.signed_duration_since(NaiveDate::from_ymd(1970, 1, 1));
Ok(duration.num_milliseconds() as f64)
},
_ => Err(()),
},
InputType::Time => match value.parse_time_string() {
Ok((hours, minutes, seconds)) => {
Ok((seconds as f64 + 60.0 * minutes as f64 + 3600.0 * hours as f64) * 1000.0)
},
_ => Err(()),
},
InputType::DatetimeLocal => match value.parse_local_date_and_time_string() {
// Is this supposed to know the locale's daylight-savings-time rules?
Ok(((year, month, day), (hours, minutes, seconds))) => {
let d = NaiveDate::from_ymd(year, month, day);
let ymd_duration = d.signed_duration_since(NaiveDate::from_ymd(1970, 1, 1));
let hms_millis =
(seconds + 60.0 * minutes as f64 + 3600.0 * hours as f64) * 1000.0;
Ok(ymd_duration.num_milliseconds() as f64 + hms_millis)
},
_ => Err(()),
},
InputType::Number | InputType::Range => value.parse_floating_point_number(),
// min/max/valueAsNumber/stepDown/stepUp do not apply to
// the remaining types
_ => Err(()),
}
}
// https://html.spec.whatwg.org/multipage/#concept-input-value-string-number
fn convert_number_to_string(&self, value: f64) -> Result<DOMString, ()> {
match self.input_type() {
InputType::Date => {
let datetime = milliseconds_to_datetime(value)?;
Ok(DOMString::from(datetime.format("%Y-%m-%d").to_string()))
},
InputType::Month => {
// interpret value as months(not millis) in epoch, return monthstring
let year_from_1970 = (value / 12.0).floor();
let month = (value - year_from_1970 * 12.0).floor() as u32 + 1; // january is 1, not 0
let year = (year_from_1970 + 1970.0) as u64;
Ok(DOMString::from(format!("{:04}-{:02}", year, month)))
},
InputType::Week => {
let datetime = milliseconds_to_datetime(value)?;
let year = datetime.iso_week().year(); // not necessarily the same as datetime.year()
let week = datetime.iso_week().week();
Ok(DOMString::from(format!("{:04}-W{:02}", year, week)))
},
InputType::Time => {
let datetime = milliseconds_to_datetime(value)?;
Ok(DOMString::from(datetime.format("%H:%M:%S%.3f").to_string()))
},
InputType::DatetimeLocal => {
let datetime = milliseconds_to_datetime(value)?;
Ok(DOMString::from(
datetime.format("%Y-%m-%dT%H:%M:%S%.3f").to_string(),
))
},
InputType::Number | InputType::Range => Ok(DOMString::from(value.to_string())),
// this won't be called from other input types
_ => unreachable!(),
}
}
// https://html.spec.whatwg.org/multipage/#concept-input-value-string-date
// This does the safe Rust part of conversion; the unsafe JS Date part
// is in GetValueAsDate
fn convert_string_to_naive_datetime(&self, value: DOMString) -> Result<NaiveDateTime, ()> {
match self.input_type() {
InputType::Date => value
.parse_date_string()
.and_then(|(y, m, d)| NaiveDate::from_ymd_opt(y, m, d).ok_or(()))
.map(|date| date.and_hms(0, 0, 0)),
InputType::Time => value.parse_time_string().and_then(|(h, m, s)| {
let whole_seconds = s.floor();
let nanos = ((s - whole_seconds) * 1e9).floor() as u32;
NaiveDate::from_ymd(1970, 1, 1)
.and_hms_nano_opt(h, m, whole_seconds as u32, nanos)
.ok_or(())
}),
InputType::Week => value
.parse_week_string()
.and_then(|(iso_year, week)| {
NaiveDate::from_isoywd_opt(iso_year, week, Weekday::Mon).ok_or(())
})
.map(|date| date.and_hms(0, 0, 0)),
InputType::Month => value
.parse_month_string()
.and_then(|(y, m)| NaiveDate::from_ymd_opt(y, m, 1).ok_or(()))
.map(|date| date.and_hms(0, 0, 0)),
// does not apply to other types
_ => Err(()),
}
}
// https://html.spec.whatwg.org/multipage/#concept-input-value-date-string
// This does the safe Rust part of conversion; the unsafe JS Date part
// is in SetValueAsDate
fn convert_naive_datetime_to_string(&self, value: NaiveDateTime) -> Result<DOMString, ()> {
match self.input_type() {
InputType::Date => Ok(DOMString::from(value.format("%Y-%m-%d").to_string())),
InputType::Month => Ok(DOMString::from(value.format("%Y-%m").to_string())),
InputType::Week => {
let year = value.iso_week().year(); // not necessarily the same as value.year()
let week = value.iso_week().week();
Ok(DOMString::from(format!("{:04}-W{:02}", year, week)))
},
InputType::Time => Ok(DOMString::from(value.format("%H:%M:%S%.3f").to_string())),
// this won't be called from other input types
_ => unreachable!(),
}
}
}
impl VirtualMethods for HTMLInputElement {
fn super_type(&self) -> Option<&dyn VirtualMethods> {
Some(self.upcast::<HTMLElement>() as &dyn VirtualMethods)
}
fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation) {
self.super_type().unwrap().attribute_mutated(attr, mutation);
match attr.local_name() {
&local_name!("disabled") => {
let disabled_state = match mutation {
AttributeMutation::Set(None) => true,
AttributeMutation::Set(Some(_)) => {
// Input was already disabled before.
return;
},
AttributeMutation::Removed => false,
};
let el = self.upcast::<Element>();
el.set_disabled_state(disabled_state);
el.set_enabled_state(!disabled_state);
el.check_ancestors_disabled_state_for_form_control();
if self.input_type().is_textual() {
let read_write = !(self.ReadOnly() || el.disabled_state());
el.set_read_write_state(read_write);
}
},
&local_name!("checked") if !self.checked_changed.get() => {
let checked_state = match mutation {
AttributeMutation::Set(None) => true,
AttributeMutation::Set(Some(_)) => {
// Input was already checked before.
return;
},
AttributeMutation::Removed => false,
};
self.update_checked_state(checked_state, false);
},
&local_name!("size") => {
let size = mutation.new_value(attr).map(|value| value.as_uint());
self.size.set(size.unwrap_or(DEFAULT_INPUT_SIZE));
},
&local_name!("type") => {
let el = self.upcast::<Element>();
match mutation {
AttributeMutation::Set(_) => {
let new_type = InputType::from(attr.value().as_atom());
// https://html.spec.whatwg.org/multipage/#input-type-change
let (old_value_mode, old_idl_value) = (self.value_mode(), self.Value());
let previously_selectable = self.selection_api_applies();
self.input_type.set(new_type);
if new_type.is_textual() {
let read_write = !(self.ReadOnly() || el.disabled_state());
el.set_read_write_state(read_write);
} else {
el.set_read_write_state(false);
}
if new_type == InputType::File {
let window = window_from_node(self);
let filelist = FileList::new(&window, vec![]);
self.filelist.set(Some(&filelist));
}
let new_value_mode = self.value_mode();
match (&old_value_mode, old_idl_value.is_empty(), new_value_mode) {
// Step 1
(&ValueMode::Value, false, ValueMode::Default) |
(&ValueMode::Value, false, ValueMode::DefaultOn) => {
self.SetValue(old_idl_value)
.expect("Failed to set input value on type change to a default ValueMode.");
},
// Step 2
(_, _, ValueMode::Value) if old_value_mode != ValueMode::Value => {
self.SetValue(
self.upcast::<Element>()
.get_attribute(&ns!(), &local_name!("value"))
.map_or(DOMString::from(""), |a| {
DOMString::from(a.summarize().value)
}),
)
.expect(
"Failed to set input value on type change to ValueMode::Value.",
);
self.value_dirty.set(false);
},
// Step 3
(_, _, ValueMode::Filename)
if old_value_mode != ValueMode::Filename =>
{
self.SetValue(DOMString::from(""))
.expect("Failed to set input value on type change to ValueMode::Filename.");
}
_ => {},
}
// Step 5
if new_type == InputType::Radio {
self.radio_group_updated(self.radio_group_name().as_ref());
}
// Step 6
let mut textinput = self.textinput.borrow_mut();
let mut value = textinput.single_line_content().clone();
self.sanitize_value(&mut value);
textinput.set_content(value);
// Steps 7-9
if !previously_selectable && self.selection_api_applies() {
textinput.clear_selection_to_limit(Direction::Backward);
}
},
AttributeMutation::Removed => {
if self.input_type() == InputType::Radio {
broadcast_radio_checked(self, self.radio_group_name().as_ref());
}
self.input_type.set(InputType::default());
let el = self.upcast::<Element>();
let read_write = !(self.ReadOnly() || el.disabled_state());
el.set_read_write_state(read_write);
},
}
self.update_placeholder_shown_state();
},
&local_name!("value") if !self.value_dirty.get() => {
let value = mutation.new_value(attr).map(|value| (**value).to_owned());
let mut value = value.map_or(DOMString::new(), DOMString::from);
self.sanitize_value(&mut value);
self.textinput.borrow_mut().set_content(value);
self.update_placeholder_shown_state();
},
&local_name!("name") if self.input_type() == InputType::Radio => {
self.radio_group_updated(
mutation.new_value(attr).as_ref().map(|name| name.as_atom()),
);
},
&local_name!("maxlength") => match *attr.value() {
AttrValue::Int(_, value) => {
let mut textinput = self.textinput.borrow_mut();
if value < 0 {
textinput.set_max_length(None);
} else {
textinput.set_max_length(Some(UTF16CodeUnits(value as usize)))
}
},
_ => panic!("Expected an AttrValue::Int"),
},
&local_name!("minlength") => match *attr.value() {
AttrValue::Int(_, value) => {
let mut textinput = self.textinput.borrow_mut();
if value < 0 {
textinput.set_min_length(None);
} else {
textinput.set_min_length(Some(UTF16CodeUnits(value as usize)))
}
},
_ => panic!("Expected an AttrValue::Int"),
},
&local_name!("placeholder") => {
{
let mut placeholder = self.placeholder.borrow_mut();
placeholder.clear();
if let AttributeMutation::Set(_) = mutation {
placeholder
.extend(attr.value().chars().filter(|&c| c != '\n' && c != '\r'));
}
}
self.update_placeholder_shown_state();
},
&local_name!("readonly") if self.input_type().is_textual() => {
let el = self.upcast::<Element>();
match mutation {
AttributeMutation::Set(_) => {
el.set_read_write_state(false);
},
AttributeMutation::Removed => {
el.set_read_write_state(!el.disabled_state());
},
}
},
&local_name!("form") => {
self.form_attribute_mutated(mutation);
},
_ => {},
}
}
fn parse_plain_attribute(&self, name: &LocalName, value: DOMString) -> AttrValue {
match name {
&local_name!("accept") => AttrValue::from_comma_separated_tokenlist(value.into()),
&local_name!("name") => AttrValue::from_atomic(value.into()),
&local_name!("size") => AttrValue::from_limited_u32(value.into(), DEFAULT_INPUT_SIZE),
&local_name!("type") => AttrValue::from_atomic(value.into()),
&local_name!("maxlength") => {
AttrValue::from_limited_i32(value.into(), DEFAULT_MAX_LENGTH)
},
&local_name!("minlength") => {
AttrValue::from_limited_i32(value.into(), DEFAULT_MIN_LENGTH)
},
_ => self
.super_type()
.unwrap()
.parse_plain_attribute(name, value),
}
}
fn bind_to_tree(&self, context: &BindContext) {
if let Some(ref s) = self.super_type() {
s.bind_to_tree(context);
}
self.upcast::<Element>()
.check_ancestors_disabled_state_for_form_control();
}
fn unbind_from_tree(&self, context: &UnbindContext) {
self.super_type().unwrap().unbind_from_tree(context);
let node = self.upcast::<Node>();
let el = self.upcast::<Element>();
if node
.ancestors()
.any(|ancestor| ancestor.is::<HTMLFieldSetElement>())
{
el.check_ancestors_disabled_state_for_form_control();
} else {
el.check_disabled_attribute();
}
}
fn handle_event(&self, event: &Event) {
if let Some(s) = self.super_type() {
s.handle_event(event);
}
if event.type_() == atom!("click") && !event.DefaultPrevented() {
// TODO: Dispatch events for non activatable inputs
// https://html.spec.whatwg.org/multipage/#common-input-element-events
//TODO: set the editing position for text inputs
document_from_node(self).request_focus(self.upcast());
if self.input_type().is_textual_or_password() &&
// Check if we display a placeholder. Layout doesn't know about this.
!self.textinput.borrow().is_empty()
{
if let Some(mouse_event) = event.downcast::<MouseEvent>() {
// dispatch_key_event (document.rs) triggers a click event when releasing
// the space key. There's no nice way to catch this so let's use this for
// now.
if let Some(point_in_target) = mouse_event.point_in_target() {
let window = window_from_node(self);
let TextIndexResponse(index) =
window.text_index_query(self.upcast::<Node>(), point_in_target);
if let Some(i) = index {
self.textinput.borrow_mut().set_edit_point_index(i as usize);
// trigger redraw
self.upcast::<Node>().dirty(NodeDamage::OtherNodeDamage);
event.PreventDefault();
}
}
}
}
} else if event.type_() == atom!("keydown") &&
!event.DefaultPrevented() &&
self.input_type().is_textual_or_password()
{
if let Some(keyevent) = event.downcast::<KeyboardEvent>() {
// This can't be inlined, as holding on to textinput.borrow_mut()
// during self.implicit_submission will cause a panic.
let action = self.textinput.borrow_mut().handle_keydown(keyevent);
match action {
TriggerDefaultAction => {
self.implicit_submission(
keyevent.CtrlKey(),
keyevent.ShiftKey(),
keyevent.AltKey(),
keyevent.MetaKey(),
);
},
DispatchInput => {
self.value_dirty.set(true);
self.update_placeholder_shown_state();
self.upcast::<Node>().dirty(NodeDamage::OtherNodeDamage);
event.mark_as_handled();
},
RedrawSelection => {
self.upcast::<Node>().dirty(NodeDamage::OtherNodeDamage);
event.mark_as_handled();
},
Nothing => (),
}
}
} else if event.type_() == atom!("keypress") &&
!event.DefaultPrevented() &&
self.input_type().is_textual_or_password()
{
if event.IsTrusted() {
let window = window_from_node(self);
let _ = window
.task_manager()
.user_interaction_task_source()
.queue_event(
&self.upcast(),
atom!("input"),
EventBubbles::Bubbles,
EventCancelable::NotCancelable,
&window,
);
}
} else if (event.type_() == atom!("compositionstart") ||
event.type_() == atom!("compositionupdate") ||
event.type_() == atom!("compositionend")) &&
self.input_type().is_textual_or_password()
{
// TODO: Update DOM on start and continue
// and generally do proper CompositionEvent handling.
if let Some(compositionevent) = event.downcast::<CompositionEvent>() {
if event.type_() == atom!("compositionend") {
let _ = self
.textinput
.borrow_mut()
.handle_compositionend(compositionevent);
self.upcast::<Node>().dirty(NodeDamage::OtherNodeDamage);
}
event.mark_as_handled();
}
}
}
// https://html.spec.whatwg.org/multipage/#the-input-element%3Aconcept-node-clone-ext
fn cloning_steps(
&self,
copy: &Node,
maybe_doc: Option<&Document>,
clone_children: CloneChildrenFlag,
) {
if let Some(ref s) = self.super_type() {
s.cloning_steps(copy, maybe_doc, clone_children);
}
let elem = copy.downcast::<HTMLInputElement>().unwrap();
elem.value_dirty.set(self.value_dirty.get());
elem.checked_changed.set(self.checked_changed.get());
elem.upcast::<Element>()
.set_state(ElementState::IN_CHECKED_STATE, self.Checked());
elem.textinput
.borrow_mut()
.set_content(self.textinput.borrow().get_content());
}
}
impl FormControl for HTMLInputElement {
fn form_owner(&self) -> Option<DomRoot<HTMLFormElement>> {
self.form_owner.get()
}
fn set_form_owner(&self, form: Option<&HTMLFormElement>) {
self.form_owner.set(form);
}
fn to_element<'a>(&'a self) -> &'a Element {
self.upcast::<Element>()
}
}
impl Validatable for HTMLInputElement {
fn is_instance_validatable(&self) -> bool {
// https://html.spec.whatwg.org/multipage/#candidate-for-constraint-validation
true
}
fn validate(&self, _validate_flags: ValidationFlags) -> bool {
// call stub methods defined in validityState.rs file here according to the flags set in validate_flags
true
}
}
impl Activatable for HTMLInputElement {
fn as_element(&self) -> &Element {
self.upcast()
}
fn is_instance_activatable(&self) -> bool {
match self.input_type() {
// https://html.spec.whatwg.org/multipage/#submit-button-state-%28type=submit%29:activation-behaviour-2
// https://html.spec.whatwg.org/multipage/#reset-button-state-%28type=reset%29:activation-behaviour-2
// https://html.spec.whatwg.org/multipage/#checkbox-state-%28type=checkbox%29:activation-behaviour-2
// https://html.spec.whatwg.org/multipage/#radio-button-state-%28type=radio%29:activation-behaviour-2
InputType::Submit |
InputType::Reset |
InputType::File |
InputType::Checkbox |
InputType::Radio => self.is_mutable(),
_ => false,
}
}
// https://html.spec.whatwg.org/multipage/#run-pre-click-activation-steps
#[allow(unsafe_code)]
fn pre_click_activation(&self) {
let mut cache = self.activation_state.borrow_mut();
let ty = self.input_type();
cache.old_type = ty;
cache.was_mutable = self.is_mutable();
if cache.was_mutable {
match ty {
// https://html.spec.whatwg.org/multipage/#submit-button-state-(type=submit):activation-behavior
// InputType::Submit => (), // No behavior defined
// https://html.spec.whatwg.org/multipage/#reset-button-state-(type=reset):activation-behavior
// InputType::Submit => (), // No behavior defined
InputType::Checkbox => {
/*
https://html.spec.whatwg.org/multipage/#checkbox-state-(type=checkbox):pre-click-activation-steps
cache current values of `checked` and `indeterminate`
we may need to restore them later
*/
cache.indeterminate = self.Indeterminate();
cache.checked = self.Checked();
cache.checked_changed = self.checked_changed.get();
self.SetIndeterminate(false);
self.SetChecked(!cache.checked);
},
// https://html.spec.whatwg.org/multipage/#radio-button-state-(type=radio):pre-click-activation-steps
InputType::Radio => {
//TODO: if not in document, use root ancestor instead of document
let owner = self.form_owner();
let doc = document_from_node(self);
let doc_node = doc.upcast::<Node>();
let group = self.radio_group_name();
// Safe since we only manipulate the DOM tree after finding an element
let checked_member = doc_node
.query_selector_iter(DOMString::from("input[type=radio]"))
.unwrap()
.filter_map(DomRoot::downcast::<HTMLInputElement>)
.find(|r| {
in_same_group(&*r, owner.as_deref(), group.as_ref()) && r.Checked()
});
cache.checked_radio = checked_member.as_deref().map(Dom::from_ref);
cache.checked_changed = self.checked_changed.get();
self.SetChecked(true);
},
_ => (),
}
}
}
// https://html.spec.whatwg.org/multipage/#run-canceled-activation-steps
fn canceled_activation(&self) {
let cache = self.activation_state.borrow();
let ty = self.input_type();
if cache.old_type != ty {
// Type changed, abandon ship
// https://www.w3.org/Bugs/Public/show_bug.cgi?id=27414
return;
}
match ty {
// https://html.spec.whatwg.org/multipage/#submit-button-state-(type=submit):activation-behavior
// InputType::Submit => (), // No behavior defined
// https://html.spec.whatwg.org/multipage/#reset-button-state-(type=reset):activation-behavior
// InputType::Reset => (), // No behavior defined
// https://html.spec.whatwg.org/multipage/#checkbox-state-(type=checkbox):canceled-activation-steps
InputType::Checkbox => {
// We want to restore state only if the element had been changed in the first place
if cache.was_mutable {
self.SetIndeterminate(cache.indeterminate);
self.SetChecked(cache.checked);
self.checked_changed.set(cache.checked_changed);
}
},
// https://html.spec.whatwg.org/multipage/#radio-button-state-(type=radio):canceled-activation-steps
InputType::Radio => {
// We want to restore state only if the element had been changed in the first place
if cache.was_mutable {
if let Some(ref o) = cache.checked_radio {
// Avoiding iterating through the whole tree here, instead
// we can check if the conditions for radio group siblings apply
if in_same_group(
&o,
self.form_owner().as_deref(),
self.radio_group_name().as_ref(),
) {
o.SetChecked(true);
} else {
self.SetChecked(false);
}
} else {
self.SetChecked(false);
}
self.checked_changed.set(cache.checked_changed);
}
},
_ => (),
}
}
// https://html.spec.whatwg.org/multipage/#run-post-click-activation-steps
fn activation_behavior(&self, _event: &Event, _target: &EventTarget) {
let ty = self.input_type();
if self.activation_state.borrow().old_type != ty || !self.is_mutable() {
// Type changed or input is immutable, abandon ship
// https://www.w3.org/Bugs/Public/show_bug.cgi?id=27414
return;
}
match ty {
InputType::Submit => {
// https://html.spec.whatwg.org/multipage/#submit-button-state-(type=submit):activation-behavior
// FIXME (Manishearth): support document owners (needs ability to get parent browsing context)
// Check if document owner is fully active
self.form_owner().map(|o| {
o.submit(
SubmittedFrom::NotFromForm,
FormSubmitter::InputElement(self.clone()),
)
});
},
InputType::Reset => {
// https://html.spec.whatwg.org/multipage/#reset-button-state-(type=reset):activation-behavior
// FIXME (Manishearth): support document owners (needs ability to get parent browsing context)
// Check if document owner is fully active
self.form_owner().map(|o| o.reset(ResetFrom::NotFromForm));
},
InputType::Checkbox | InputType::Radio => {
// https://html.spec.whatwg.org/multipage/#checkbox-state-(type=checkbox):activation-behavior
// https://html.spec.whatwg.org/multipage/#radio-button-state-(type=radio):activation-behavior
// Check if document owner is fully active
let target = self.upcast::<EventTarget>();
target.fire_bubbling_event(atom!("input"));
target.fire_bubbling_event(atom!("change"));
},
InputType::File => self.select_files(None),
_ => (),
}
}
}
// https://html.spec.whatwg.org/multipage/#attr-input-accept
fn filter_from_accept(s: &DOMString) -> Vec<FilterPattern> {
let mut filter = vec![];
for p in split_commas(s) {
if let Some('.') = p.chars().nth(0) {
filter.push(FilterPattern(p[1..].to_string()));
} else {
if let Some(exts) = mime_guess::get_mime_extensions_str(p) {
for ext in exts {
filter.push(FilterPattern(ext.to_string()));
}
}
}
}
filter
}
fn round_halves_positive(n: f64) -> f64 {
// WHATWG specs about input steps say to round to the nearest step,
// rounding halves always to positive infinity.
// This differs from Rust's .round() in the case of -X.5.
if n.fract() == -0.5 {
n.ceil()
} else {
n.round()
}
}
fn milliseconds_to_datetime(value: f64) -> Result<NaiveDateTime, ()> {
let seconds = (value / 1000.0).floor();
let milliseconds = value - (seconds * 1000.0);
let nanoseconds = milliseconds * 1e6;
NaiveDateTime::from_timestamp_opt(seconds as i64, nanoseconds as u32).ok_or(())
}
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