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webdriver: Implement element clear (#38208)

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Initial Implementation of [Element
Clear](https://w3c.github.io/webdriver/#element-clear).

Testing: `tests/wpt/tests/webdriver/tests/classic/element_clear/`

---------

Signed-off-by: PotatoCP <Kenzie.Raditya.Tirtarahardja@huawei.com>
Signed-off-by: Kenzie Raditya Tirtarahardja <kenzieradityatirtarahardja18@gmail.com>
Co-authored-by: Euclid Ye <yezhizhenjiakang@gmail.com>
Co-authored-by: Josh Matthews <josh@joshmatthews.net>
This commit is contained in:
Kenzie Raditya Tirtarahardja 2025-07-25 01:49:31 +08:00 • committed by GitHub
parent 1fb782bc38
commit 4b12ae73fe
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11 changed files with 175 additions and 367 deletions
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20
components/script/dom/htmlinputelement.rs
View file

@ -2193,6 +2193,26 @@ impl HTMLInputElement {
self.upcast::<Node>().dirty(NodeDamage::Other);
}
/// <https://w3c.github.io/webdriver/#ref-for-dfn-clear-algorithm-3>
/// Used by WebDriver to clear the input element.
pub(crate) fn clear(&self, can_gc: CanGc) {
// Step 1. Reset dirty value and dirty checkedness flags.
self.value_dirty.set(false);
self.checked_changed.set(false);
// Step 2. Set value to empty string.
self.textinput.borrow_mut().set_content(DOMString::from(""));
// Step 3. Set checkedness based on presence of content attribute.
self.update_checked_state(self.DefaultChecked(), false);
self.value_changed(can_gc);
// Step 4. Empty selected files
self.filelist.set(None);
// Step 5. invoke the value sanitization algorithm iff
// the type attribute's current state defines one.
// This is covered in `fn sanitize_value` called below.
self.enable_sanitization();
self.upcast::<Node>().dirty(NodeDamage::Other);
}
fn update_placeholder_shown_state(&self) {
if !self.input_type().is_textual_or_password() {
return;