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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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9
components/script/dom/htmltextareaelement.rs
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@ -204,7 +204,7 @@ impl HTMLTextAreaElement {
}
// https://html.spec.whatwg.org/multipage/#concept-fe-mutable
fn is_mutable(&self) -> bool {
pub(crate) fn is_mutable(&self) -> bool {
// https://html.spec.whatwg.org/multipage/#the-textarea-element%3Aconcept-fe-mutable
// https://html.spec.whatwg.org/multipage/#the-readonly-attribute:concept-fe-mutable
!(self.upcast::<Element>().disabled_state() || self.ReadOnly())
@ -450,6 +450,13 @@ impl HTMLTextAreaElementMethods<crate::DomTypeHolder> for HTMLTextAreaElement {
}
impl HTMLTextAreaElement {
/// <https://w3c.github.io/webdriver/#ref-for-dfn-clear-algorithm-4>
/// Used by WebDriver to clear the textarea element.
pub(crate) fn clear(&self) {
self.value_dirty.set(false);
self.textinput.borrow_mut().set_content(DOMString::from(""));
}
pub(crate) fn reset(&self) {
// https://html.spec.whatwg.org/multipage/#the-textarea-element:concept-form-reset-control
let mut textinput = self.textinput.borrow_mut();