forked from mirrors/gecko-dev
c30ed37c65
Part of #7959. Source-Repo: https://github.com/servo/servo Source-Revision: 42141870e764d0763bfbbdbed70b74399ee342de
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::refcounted::Trusted;
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use dom::event::{EventBubbles, EventCancelable};
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use dom::eventtarget::EventTarget;
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use script_thread::{MainThreadRunnable, MainThreadScriptMsg, Runnable, ScriptThread};
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use std::result::Result;
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use std::sync::mpsc::Sender;
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use string_cache::Atom;
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use task_source::TaskSource;
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#[derive(JSTraceable)]
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pub struct DOMManipulationTaskSource(pub Sender<MainThreadScriptMsg>);
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impl TaskSource<DOMManipulationTask> for DOMManipulationTaskSource {
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fn queue(&self, msg: DOMManipulationTask) -> Result<(), ()> {
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self.0.send(MainThreadScriptMsg::DOMManipulation(msg)).map_err(|_| ())
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}
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}
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impl DOMManipulationTaskSource {
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pub fn clone(&self) -> Box<TaskSource<DOMManipulationTask> + Send> {
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box DOMManipulationTaskSource((&self.0).clone())
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}
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}
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pub enum DOMManipulationTask {
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// https://html.spec.whatwg.org/multipage/#the-end step 7
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DocumentProgress(Box<Runnable + Send>),
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// https://dom.spec.whatwg.org/#concept-event-fire
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FireEvent(Atom, Trusted<EventTarget>, EventBubbles, EventCancelable),
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// https://html.spec.whatwg.org/multipage/#fire-a-simple-event
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FireSimpleEvent(Atom, Trusted<EventTarget>),
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// https://html.spec.whatwg.org/multipage/#details-notification-task-steps
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FireToggleEvent(Box<Runnable + Send>),
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// Placeholder until there's a real media element task queue implementation
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MediaTask(Box<Runnable + Send>),
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// https://html.spec.whatwg.org/multipage/#planned-navigation
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PlannedNavigation(Box<Runnable + Send>),
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// https://html.spec.whatwg.org/multipage/#send-a-storage-notification
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SendStorageNotification(Box<MainThreadRunnable + Send>)
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}
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impl DOMManipulationTask {
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pub fn handle_task(self, script_thread: &ScriptThread) {
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use self::DOMManipulationTask::*;
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match self {
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DocumentProgress(runnable) => runnable.handler(),
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FireEvent(name, element, bubbles, cancelable) => {
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let target = element.root();
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target.fire_event(&*name, bubbles, cancelable);
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}
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FireSimpleEvent(name, element) => {
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let target = element.root();
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target.fire_simple_event(&*name);
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}
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FireToggleEvent(runnable) => runnable.handler(),
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MediaTask(runnable) => runnable.handler(),
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PlannedNavigation(runnable) => runnable.handler(),
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SendStorageNotification(runnable) => runnable.handler(script_thread)
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}
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}
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}
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