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Implement :placeholder-shown (fixes #10561)

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This commit is contained in:
Anthony Ramine 2016-06-03 13:20:00 +02:00
parent 6c5f5d35f5
commit ff899dc703
7 changed files with 52 additions and 12 deletions
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31
components/script/dom/htmlinputelement.rs
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@ -709,6 +709,17 @@ impl HTMLInputElement {
self.value_changed.set(false);
self.upcast::<Node>().dirty(NodeDamage::OtherNodeDamage);
}
fn update_placeholder_shown_state(&self) {
match self.input_type.get() {
InputType::InputText | InputType::InputPassword => {},
_ => 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);
}
}
impl VirtualMethods for HTMLInputElement {
@ -757,6 +768,7 @@ impl VirtualMethods for HTMLInputElement {
self.size.set(size.unwrap_or(DEFAULT_INPUT_SIZE));
}
&atom!("type") => {
let el = self.upcast::<Element>();
match mutation {
AttributeMutation::Set(_) => {
let new_type = match attr.value().as_atom() {
@ -774,7 +786,6 @@ impl VirtualMethods for HTMLInputElement {
let (old_value_mode, old_idl_value) = (self.value_mode(), self.Value());
self.input_type.set(new_type);
let el = self.upcast::<Element>();
if new_type == InputType::InputText {
let read_write = !(self.ReadOnly() || el.disabled_state());
el.set_read_write_state(read_write);
@ -831,11 +842,14 @@ impl VirtualMethods for HTMLInputElement {
el.set_read_write_state(read_write);
}
}
self.update_placeholder_shown_state();
},
&atom!("value") if !self.value_changed.get() => {
let value = mutation.new_value(attr).map(|value| (**value).to_owned());
self.textinput.borrow_mut().set_content(
value.map_or(DOMString::new(), DOMString::from));
self.update_placeholder_shown_state();
},
&atom!("name") if self.input_type.get() == InputType::InputRadio => {
self.radio_group_updated(
@ -854,13 +868,15 @@ impl VirtualMethods for HTMLInputElement {
}
}
&atom!("placeholder") => {
// FIXME(ajeffrey): Should we do in-place mutation of the 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'));
{
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();
},
&atom!("readonly") if self.input_type.get() == InputType::InputText => {
let el = self.upcast::<Element>();
@ -936,6 +952,7 @@ impl VirtualMethods for HTMLInputElement {
},
DispatchInput => {
self.value_changed.set(true);
self.update_placeholder_shown_state();
if event.IsTrusted() {
let window = window_from_node(self);