forked from mirrors/gecko-dev
3d0a04c20a
This is a start towards fixing #3868. Not all callers have been fixed yet, so the `Deref` implementation remains for now. Source-Repo: https://github.com/servo/servo Source-Revision: 141b5d038fad3c0c44a6f1b309b8ca9edea54580
66 lines
2.7 KiB
Rust
66 lines
2.7 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::codegen::InheritTypes::{EventCast, EventTargetCast};
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use dom::bindings::js::{JSRef, Temporary, OptionalRootable};
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use dom::element::{Element, ActivationElementHelpers};
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use dom::event::{Event, EventHelpers};
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use dom::eventtarget::{EventTarget, EventTargetHelpers};
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use dom::mouseevent::MouseEvent;
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use dom::node::window_from_node;
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/// Trait for elements with defined activation behavior
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pub trait Activatable : Copy {
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fn as_element(&self) -> Temporary<Element>;
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// https://html.spec.whatwg.org/multipage/interaction.html#run-pre-click-activation-steps
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fn pre_click_activation(&self);
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// https://html.spec.whatwg.org/multipage/interaction.html#run-canceled-activation-steps
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fn canceled_activation(&self);
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// https://html.spec.whatwg.org/multipage/interaction.html#run-post-click-activation-steps
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fn activation_behavior(&self);
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// https://html.spec.whatwg.org/multipage/forms.html#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/interaction.html#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().root();
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// Step 1
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if element.r().click_in_progress() {
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return;
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}
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// Step 2
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element.r().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/webappapis.html#fire-a-synthetic-mouse-event
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let win = window_from_node(element.r()).root();
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let target: JSRef<EventTarget> = EventTargetCast::from_ref(element.r());
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let mouse = MouseEvent::new(win.r(), "click".into_string(),
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false, false, Some(win.r()), 1,
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0, 0, 0, 0, ctrlKey, shiftKey, altKey, metaKey,
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0, None).root();
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let event: JSRef<Event> = EventCast::from_ref(mouse.r());
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event.set_trusted(true);
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target.dispatch_event(event);
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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();
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}
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// Step 6
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element.r().set_click_in_progress(false);
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}
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}
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