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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use dom::bindings::cell::DomRefCell;
use dom::bindings::conversions::DerivedFrom;
use dom::bindings::str::DOMString;
use dom::event::{EventBubbles, EventCancelable};
use dom::eventtarget::EventTarget;
use dom::node::{Node, NodeDamage, window_from_node};
use script_traits::ScriptToConstellationChan;
use textinput::{SelectionDirection, TextInput};
pub trait TextControl: DerivedFrom<EventTarget> + DerivedFrom<Node> {
fn textinput(&self) -> &DomRefCell<TextInput<ScriptToConstellationChan>>;
// https://html.spec.whatwg.org/multipage/#dom-textarea/input-selectionstart
fn dom_selection_start(&self) -> u32 {
self.textinput().borrow().get_selection_start()
}
// https://html.spec.whatwg.org/multipage/#dom-textarea/input-selectionstart
fn set_dom_selection_start(&self, start: u32) {
self.set_selection_range(start, self.dom_selection_end(), self.selection_direction());
}
// https://html.spec.whatwg.org/multipage/#dom-textarea/input-selectionend
fn dom_selection_end(&self) -> u32 {
self.textinput().borrow().get_absolute_insertion_point() as u32
}
// https://html.spec.whatwg.org/multipage/#dom-textarea/input-selectionend
fn set_dom_selection_end(&self, end: u32) {
self.set_selection_range(self.dom_selection_start(), end, self.selection_direction());
}
// https://html.spec.whatwg.org/multipage/#dom-textarea/input-selectiondirection
fn dom_selection_direction(&self) -> DOMString {
DOMString::from(self.selection_direction())
}
// https://html.spec.whatwg.org/multipage/#dom-textarea/input-selectiondirection
fn set_dom_selection_direction(&self, direction: DOMString) {
self.textinput().borrow_mut().selection_direction = SelectionDirection::from(direction);
}
// https://html.spec.whatwg.org/multipage/#dom-textarea/input-setselectionrange
fn set_dom_selection_range(&self, start: u32, end: u32, direction: Option<DOMString>) {
// Step 4
let direction = direction.map_or(SelectionDirection::None, |d| SelectionDirection::from(d));
self.set_selection_range(start, end, direction);
}
fn selection_direction(&self) -> SelectionDirection {
self.textinput().borrow().selection_direction
}
// https://html.spec.whatwg.org/multipage/#set-the-selection-range
fn set_selection_range(&self, start: u32, end: u32, direction: SelectionDirection) {
// Step 5
self.textinput().borrow_mut().selection_direction = direction;
// Step 3
self.textinput().borrow_mut().set_selection_range(start, end);
// 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);
self.upcast::<Node>().dirty(NodeDamage::OtherNodeDamage);
}
}
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