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Get input value IDL attribute matching spec

Refs: #9455
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g-k committed Feb 3, 2016
1 parent 21f0e63 commit e6c31e305dcae1583be5e6764cc5f9778f73c128
@@ -11,6 +11,7 @@ use dom::bindings::codegen::Bindings::EventBinding::EventMethods;
use dom::bindings::codegen::Bindings::HTMLInputElementBinding;
use dom::bindings::codegen::Bindings::HTMLInputElementBinding::HTMLInputElementMethods;
use dom::bindings::codegen::Bindings::KeyboardEventBinding::KeyboardEventMethods;
use dom::bindings::error::{Error, ErrorResult};
use dom::bindings::global::GlobalRef;
use dom::bindings::inheritance::Castable;
use dom::bindings::js::{JS, LayoutJS, Root, RootedReference};
@@ -59,6 +60,14 @@ enum InputType {
InputPassword
}

#[derive(Debug, PartialEq)]
enum ValueMode {
Value,
Default,
DefaultOn,
Filename,
}

#[dom_struct]
pub struct HTMLInputElement {
htmlelement: HTMLElement,
@@ -71,6 +80,10 @@ pub struct HTMLInputElement {
#[ignore_heap_size_of = "#7193"]
textinput: DOMRefCell<TextInput<ConstellationChan<ConstellationMsg>>>,
activation_state: DOMRefCell<InputActivationState>,
// https://html.spec.whatwg.org/multipage/#concept-input-value-dirty-flag
value_dirty: Cell<bool>,

// TODO: selected files for file input
}

#[derive(JSTraceable)]
@@ -117,7 +130,8 @@ impl HTMLInputElement {
maxlength: Cell::new(DEFAULT_MAX_LENGTH),
size: Cell::new(DEFAULT_INPUT_SIZE),
textinput: DOMRefCell::new(TextInput::new(Single, DOMString::new(), chan, None)),
activation_state: DOMRefCell::new(InputActivationState::new())
activation_state: DOMRefCell::new(InputActivationState::new()),
value_dirty: Cell::new(false),
}
}

@@ -134,6 +148,22 @@ impl HTMLInputElement {
.get_attribute(&ns!(), &atom!("type"))
.map_or_else(|| atom!(""), |a| a.value().as_atom().to_owned())
}

// https://html.spec.whatwg.org/multipage/#input-type-attr-summary
fn get_value_mode(&self) -> ValueMode {
match self.input_type.get() {
InputType::InputSubmit |
InputType::InputReset |
InputType::InputButton |
InputType::InputImage => ValueMode::Default,
InputType::InputCheckbox |
InputType::InputRadio => ValueMode::DefaultOn,
InputType::InputPassword |
InputType::InputText => ValueMode::Value,
InputType::InputFile => ValueMode::Filename,
}
}

}

pub trait LayoutHTMLInputElementHelpers {
@@ -292,14 +322,50 @@ impl HTMLInputElementMethods for HTMLInputElement {

// https://html.spec.whatwg.org/multipage/#dom-input-value
fn Value(&self) -> DOMString {
self.textinput.borrow().get_content()
match self.get_value_mode() {
ValueMode::Value => self.textinput.borrow().get_content(),
ValueMode::Default => {
self.upcast::<Element>()
.get_attribute(&ns!(), &atom!("value"))
.map_or(DOMString::from(""),
|a| DOMString::from(a.summarize().value))
}
ValueMode::DefaultOn => {
self.upcast::<Element>()
.get_attribute(&ns!(), &atom!("value"))
.map_or(DOMString::from("on"),
|a| DOMString::from(a.summarize().value))
}
ValueMode::Filename => {
// TODO: return C:\fakepath\<first of selected files> when a file is selected
DOMString::from("")
}
}
}

// https://html.spec.whatwg.org/multipage/#dom-input-value
fn SetValue(&self, value: DOMString) {
self.textinput.borrow_mut().set_content(value);
fn SetValue(&self, value: DOMString) -> ErrorResult {
match self.get_value_mode() {
ValueMode::Value => {
self.textinput.borrow_mut().set_content(value);
self.value_dirty.set(true);
}
ValueMode::Default |
ValueMode::DefaultOn => {
self.upcast::<Element>().set_string_attribute(&atom!("value"), value);
}
ValueMode::Filename => {
if value.is_empty() {
// TODO: empty list of selected files
} else {
return Err(Error::InvalidState);
}
}
}

self.value_changed.set(true);
self.force_relayout();
Ok(())
}

// https://html.spec.whatwg.org/multipage/#dom-input-defaultvalue
@@ -465,17 +531,11 @@ impl HTMLInputElement {

}

let mut value = self.Value();
// Step 3.6
if ty == atom!("radio") || ty == atom!("checkbox") {
if value.is_empty() {
value = DOMString::from("on");
}
}
Some(FormDatum {
ty: DOMString::from(&*ty), // FIXME(ajeffrey): Convert directly from Atoms to DOMStrings
name: name,
value: value
value: self.Value()
})
}

@@ -525,7 +585,9 @@ impl HTMLInputElement {
_ => ()
}

self.SetValue(self.DefaultValue());
self.SetValue(self.DefaultValue())
.expect("Failed to reset input value to default.");
self.value_dirty.set(false);
self.value_changed.set(false);
self.force_relayout();
}
@@ -574,7 +636,7 @@ impl VirtualMethods for HTMLInputElement {
&atom!("type") => {
match mutation {
AttributeMutation::Set(_) => {
let value = match attr.value().as_atom() {
let new_type = match attr.value().as_atom() {
&atom!("button") => InputType::InputButton,
&atom!("submit") => InputType::InputSubmit,
&atom!("reset") => InputType::InputReset,
@@ -584,11 +646,46 @@ impl VirtualMethods for HTMLInputElement {
&atom!("password") => InputType::InputPassword,
_ => InputType::InputText,
};
self.input_type.set(value);
if value == InputType::InputRadio {

// https://html.spec.whatwg.org/multipage/#input-type-change
let (old_value_mode, old_idl_value) = (self.get_value_mode(), self.Value());
self.input_type.set(new_type);
let new_value_mode = self.get_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!(), &atom!("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::InputRadio {
self.radio_group_updated(
self.get_radio_group_name().as_ref());
}

// TODO: Step 6 - value sanitization
},
AttributeMutation::Removed => {
if self.input_type.get() == InputType::InputRadio {
@@ -41,7 +41,8 @@ interface HTMLInputElement : HTMLElement {
// attribute DOMString step;
attribute DOMString type;
attribute DOMString defaultValue;
[TreatNullAs=EmptyString] attribute DOMString value;
[TreatNullAs=EmptyString, SetterThrows]
attribute DOMString value;
// attribute Date? valueAsDate;
// attribute unrestricted double valueAsNumber;
// attribute double valueLow;

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@@ -672,69 +672,6 @@
[change state from radio to color]
expected: FAIL

[change state from file to hidden]
expected: FAIL

[change state from file to text]
expected: FAIL

[change state from file to search]
expected: FAIL

[change state from file to tel]
expected: FAIL

[change state from file to url]
expected: FAIL

[change state from file to email]
expected: FAIL

[change state from file to password]
expected: FAIL

[change state from file to datetime]
expected: FAIL

[change state from file to date]
expected: FAIL

[change state from file to month]
expected: FAIL

[change state from file to week]
expected: FAIL

[change state from file to time]
expected: FAIL

[change state from file to number]
expected: FAIL

[change state from file to range]
expected: FAIL

[change state from file to color]
expected: FAIL

[change state from file to checkbox]
expected: FAIL

[change state from file to radio]
expected: FAIL

[change state from file to submit]
expected: FAIL

[change state from file to image]
expected: FAIL

[change state from file to reset]
expected: FAIL

[change state from file to button]
expected: FAIL

[change state from submit to text]
expected: FAIL

@@ -903,66 +840,3 @@
[change state from button to color]
expected: FAIL

[change state from hidden to file]
expected: FAIL

[change state from text to file]
expected: FAIL

[change state from search to file]
expected: FAIL

[change state from tel to file]
expected: FAIL

[change state from url to file]
expected: FAIL

[change state from email to file]
expected: FAIL

[change state from password to file]
expected: FAIL

[change state from datetime to file]
expected: FAIL

[change state from date to file]
expected: FAIL

[change state from month to file]
expected: FAIL

[change state from week to file]
expected: FAIL

[change state from time to file]
expected: FAIL

[change state from number to file]
expected: FAIL

[change state from range to file]
expected: FAIL

[change state from color to file]
expected: FAIL

[change state from checkbox to file]
expected: FAIL

[change state from radio to file]
expected: FAIL

[change state from submit to file]
expected: FAIL

[change state from image to file]
expected: FAIL

[change state from reset to file]
expected: FAIL

[change state from button to file]
expected: FAIL

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