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Notify the embedder when it should display or hide an IME

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This commit is contained in:
Fabrice Desré 2018-04-21 14:17:02 -07:00
parent 05fe8fa08d
commit 42886613d3
8 changed files with 93 additions and 2 deletions
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17
components/script/dom/element.rs
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@ -83,6 +83,7 @@ use html5ever::serialize::TraversalScope;
use html5ever::serialize::TraversalScope::{ChildrenOnly, IncludeNode};
use js::jsapi::Heap;
use js::jsval::JSVal;
use msg::constellation_msg::InputMethodType;
use net_traits::request::CorsSettings;
use ref_filter_map::ref_filter_map;
use script_layout_interface::message::ReflowGoal;
@ -1087,6 +1088,22 @@ impl Element {
None
}
// Returns the kind of IME control needed for a focusable element, if any.
pub fn input_method_type(&self) -> Option<InputMethodType> {
if !self.is_focusable_area() {
return None;
}
if let Some(input) = self.downcast::<HTMLInputElement>() {
input.input_type().as_ime_type()
} else if self.is::<HTMLTextAreaElement>() {
Some(InputMethodType::Text)
} else {
// Other focusable elements that are not input fields.
None
}
}
pub fn is_focusable_area(&self) -> bool {
if self.is_actually_disabled() {
return false;