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56 lines
1.8 KiB
Rust
56 lines
1.8 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 https://mozilla.org/MPL/2.0/. */
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use std::fmt;
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use std::result::Result;
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use crossbeam_channel::Sender;
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use msg::constellation_msg::PipelineId;
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use servo_atoms::Atom;
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::bindings::refcounted::Trusted;
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use crate::dom::event::SimpleEventTask;
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use crate::dom::eventtarget::EventTarget;
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use crate::dom::window::Window;
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use crate::script_runtime::{CommonScriptMsg, ScriptThreadEventCategory};
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use crate::script_thread::MainThreadScriptMsg;
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use crate::task::{TaskCanceller, TaskOnce};
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use crate::task_source::{TaskSource, TaskSourceName};
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#[derive(Clone, JSTraceable)]
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pub struct MediaElementTaskSource(
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#[no_trace] pub Sender<MainThreadScriptMsg>,
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#[no_trace] pub PipelineId,
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);
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impl fmt::Debug for MediaElementTaskSource {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, "MediaElementTaskSource(...)")
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}
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}
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impl TaskSource for MediaElementTaskSource {
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const NAME: TaskSourceName = TaskSourceName::MediaElement;
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fn queue_with_canceller<T>(&self, task: T, canceller: &TaskCanceller) -> Result<(), ()>
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where
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T: TaskOnce + 'static,
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{
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let msg = MainThreadScriptMsg::Common(CommonScriptMsg::Task(
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ScriptThreadEventCategory::ScriptEvent,
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Box::new(canceller.wrap_task(task)),
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Some(self.1),
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MediaElementTaskSource::NAME,
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));
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self.0.send(msg).map_err(|_| ())
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}
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}
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impl MediaElementTaskSource {
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pub fn queue_simple_event(&self, target: &EventTarget, name: Atom, window: &Window) {
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let target = Trusted::new(target);
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let _ = self.queue(SimpleEventTask { target, name }, window.upcast());
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}
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}
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