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Don't fire select event when selection hasn't changed

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This commit is contained in:
Jon Leighton 2017-12-09 22:23:47 +01:00
parent 648bfbeb02
commit e34f7c58c9
3 changed files with 19 additions and 98 deletions
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21
components/script/dom/textcontrol.rs
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@ -136,6 +136,9 @@ pub trait TextControl: DerivedFrom<EventTarget> + DerivedFrom<Node> {
// https://html.spec.whatwg.org/multipage/#set-the-selection-range
fn set_selection_range(&self, start: Option<u32>, end: Option<u32>, direction: Option<SelectionDirection>) {
let mut textinput = self.textinput().borrow_mut();
let original_selection_state = textinput.selection_state();
// Step 1
let start = start.unwrap_or(0);
@ -143,16 +146,18 @@ pub trait TextControl: DerivedFrom<EventTarget> + DerivedFrom<Node> {
let end = end.unwrap_or(0);
// Steps 3-5
self.textinput().borrow_mut().set_selection_range(start, end, direction.unwrap_or(SelectionDirection::None));
textinput.set_selection_range(start, end, direction.unwrap_or(SelectionDirection::None));
// Step 6
let window = window_from_node(self);
let _ = window.user_interaction_task_source().queue_event(
&self.upcast::<EventTarget>(),
atom!("select"),
EventBubbles::Bubbles,
EventCancelable::NotCancelable,
&window);
if textinput.selection_state() != original_selection_state {
let window = window_from_node(self);
window.user_interaction_task_source().queue_event(
&self.upcast::<EventTarget>(),
atom!("select"),
EventBubbles::Bubbles,
EventCancelable::NotCancelable,
&window);
}
self.upcast::<Node>().dirty(NodeDamage::OtherNodeDamage);
}