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Forward WebDriver CompositionEvent

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Dispatch composition events in JS.
Insert characters from composition events to text input.

CompositionEvents currently can only be
created by WebDriver and not by embedders.
This commit is contained in:
Pyfisch 2018-11-17 17:02:31 +01:00
parent 1ac6f435c8
commit b936fea79d
12 changed files with 118 additions and 26 deletions
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32
components/script/dom/document.rs
View file

@ -38,6 +38,7 @@ use crate::dom::bindings::xmlname::{
};
use crate::dom::closeevent::CloseEvent;
use crate::dom::comment::Comment;
use crate::dom::compositionevent::CompositionEvent;
use crate::dom::cssstylesheet::CSSStyleSheet;
use crate::dom::customelementregistry::CustomElementDefinition;
use crate::dom::customevent::CustomEvent;
@ -1465,6 +1466,37 @@ impl Document {
self.window.reflow(ReflowGoal::Full, ReflowReason::KeyEvent);
}
pub fn dispatch_composition_event(
&self,
composition_event: ::keyboard_types::CompositionEvent,
) {
// spec: https://w3c.github.io/uievents/#compositionstart
// spec: https://w3c.github.io/uievents/#compositionupdate
// spec: https://w3c.github.io/uievents/#compositionend
// > Event.target : focused element processing the composition
let focused = self.get_focused_element();
let target = if let Some(elem) = &focused {
elem.upcast()
} else {
// Event is only dispatched if there is a focused element.
return;
};
let cancelable = composition_event.state == keyboard_types::CompositionState::Start;
let compositionevent = CompositionEvent::new(
&self.window,
DOMString::from(composition_event.state.to_string()),
true,
cancelable,
Some(&self.window),
0,
DOMString::from(composition_event.data),
);
let event = compositionevent.upcast::<Event>();
event.fire(target);
}
// https://dom.spec.whatwg.org/#converting-nodes-into-a-node
pub fn node_from_nodes_and_strings(
&self,