1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
/* 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 https://mozilla.org/MPL/2.0/. */
use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::refcounted::Trusted;
use crate::dom::event::SimpleEventTask;
use crate::dom::eventtarget::EventTarget;
use crate::dom::window::Window;
use crate::script_runtime::{CommonScriptMsg, ScriptThreadEventCategory};
use crate::script_thread::MainThreadScriptMsg;
use crate::task::{TaskCanceller, TaskOnce};
use crate::task_source::{TaskSource, TaskSourceName};
use crossbeam_channel::Sender;
use msg::constellation_msg::PipelineId;
use servo_atoms::Atom;
use std::fmt;
use std::result::Result;
#[derive(Clone, JSTraceable)]
pub struct MediaElementTaskSource(
#[no_trace] pub Sender<MainThreadScriptMsg>,
#[no_trace] pub PipelineId,
);
impl fmt::Debug for MediaElementTaskSource {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "MediaElementTaskSource(...)")
}
}
impl TaskSource for MediaElementTaskSource {
const NAME: TaskSourceName = TaskSourceName::MediaElement;
fn queue_with_canceller<T>(&self, task: T, canceller: &TaskCanceller) -> Result<(), ()>
where
T: TaskOnce + 'static,
{
let msg = MainThreadScriptMsg::Common(CommonScriptMsg::Task(
ScriptThreadEventCategory::ScriptEvent,
Box::new(canceller.wrap_task(task)),
Some(self.1),
MediaElementTaskSource::NAME,
));
self.0.send(msg).map_err(|_| ())
}
}
impl MediaElementTaskSource {
pub fn queue_simple_event(&self, target: &EventTarget, name: Atom, window: &Window) {
let target = Trusted::new(target);
let _ = self.queue(SimpleEventTask { target, name }, window.upcast());
}
}
|
