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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::codegen::Bindings::EventBinding::EventMethods;
use dom::bindings::codegen::InheritTypes::{EventCast, EventTargetCast};
use dom::bindings::js::{JSRef, Temporary, OptionalRootable};
use dom::element::{Element, ActivationElementHelpers};
use dom::event::{Event, EventHelpers};
use dom::eventtarget::{EventTarget, EventTargetHelpers};
use dom::mouseevent::MouseEvent;
use dom::node::window_from_node;
/// Trait for elements with defined activation behavior
pub trait Activatable : Copy {
fn as_element(&self) -> Temporary<Element>;
// https://html.spec.whatwg.org/multipage/interaction.html#run-pre-click-activation-steps
fn pre_click_activation(&self);
// https://html.spec.whatwg.org/multipage/interaction.html#run-canceled-activation-steps
fn canceled_activation(&self);
// https://html.spec.whatwg.org/multipage/interaction.html#run-post-click-activation-steps
fn activation_behavior(&self);
// https://html.spec.whatwg.org/multipage/forms.html#implicit-submission
fn implicit_submission(&self, ctrlKey: bool, shiftKey: bool, altKey: bool, metaKey: bool);
// https://html.spec.whatwg.org/multipage/interaction.html#run-synthetic-click-activation-steps
fn synthetic_click_activation(&self, ctrlKey: bool, shiftKey: bool, altKey: bool, metaKey: bool) {
let element = self.as_element().root();
// Step 1
if element.click_in_progress() {
return;
}
// Step 2
element.set_click_in_progress(true);
// Step 3
self.pre_click_activation();
// Step 4
// https://html.spec.whatwg.org/multipage/webappapis.html#fire-a-synthetic-mouse-event
let win = window_from_node(*element).root();
let target: JSRef<EventTarget> = EventTargetCast::from_ref(*element);
let mouse = MouseEvent::new(*win, "click".to_string(), false, false, Some(*win), 1,
0, 0, 0, 0, ctrlKey, shiftKey, altKey, metaKey,
0, None).root();
let event: JSRef<Event> = EventCast::from_ref(*mouse);
event.set_trusted(true);
target.dispatch_event_with_target(None, event).ok();
// Step 5
if event.DefaultPrevented() {
self.canceled_activation();
} else {
// post click activation
self.activation_behavior();
}
// Step 6
element.set_click_in_progress(false);
}
}
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