forked from mirrors/gecko-dev
bb8125a3da
Removes all those messy FooCast structures in InheritTypes.rs. Source-Repo: https://github.com/servo/servo Source-Revision: 674589c370d978f543e71f995d58c5b28e6e9842
67 lines
2.5 KiB
Rust
67 lines
2.5 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use dom::bindings::codegen::Bindings::EventBinding::EventMethods;
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use dom::bindings::conversions::Castable;
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use dom::element::Element;
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use dom::event::{Event, EventBubbles, EventCancelable};
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use dom::eventtarget::EventTarget;
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use dom::mouseevent::MouseEvent;
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use dom::node::window_from_node;
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use std::borrow::ToOwned;
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/// Trait for elements with defined activation behavior
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pub trait Activatable {
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fn as_element(&self) -> ∈
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// Is this particular instance of the element activatable?
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fn is_instance_activatable(&self) -> bool;
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// https://html.spec.whatwg.org/multipage/#run-pre-click-activation-steps
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fn pre_click_activation(&self);
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// https://html.spec.whatwg.org/multipage/#run-canceled-activation-steps
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fn canceled_activation(&self);
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// https://html.spec.whatwg.org/multipage/#run-post-click-activation-steps
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fn activation_behavior(&self, event: &Event, target: &EventTarget);
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// https://html.spec.whatwg.org/multipage/#implicit-submission
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fn implicit_submission(&self, ctrlKey: bool, shiftKey: bool, altKey: bool, metaKey: bool);
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// https://html.spec.whatwg.org/multipage/#run-synthetic-click-activation-steps
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fn synthetic_click_activation(&self, ctrlKey: bool, shiftKey: bool, altKey: bool, metaKey: bool) {
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let element = self.as_element();
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// Step 1
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if element.click_in_progress() {
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return;
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}
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// Step 2
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element.set_click_in_progress(true);
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// Step 3
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self.pre_click_activation();
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// Step 4
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// https://html.spec.whatwg.org/multipage/#fire-a-synthetic-mouse-event
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let win = window_from_node(element);
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let target = element.upcast();
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let mouse = MouseEvent::new(win.r(), "click".to_owned(),
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EventBubbles::DoesNotBubble, EventCancelable::NotCancelable, Some(win.r()), 1,
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0, 0, 0, 0, ctrlKey, shiftKey, altKey, metaKey,
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0, None);
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let event = mouse.upcast::<Event>();
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event.fire(target);
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// Step 5
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if event.DefaultPrevented() {
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self.canceled_activation();
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} else {
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// post click activation
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self.activation_behavior(event, target);
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}
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// Step 6
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element.set_click_in_progress(false);
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}
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}
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