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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/* 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 std::fmt;
use std::result::Result;
use base::id::PipelineId;
use crossbeam_channel::Sender;
use servo_atoms::Atom;
use crate::dom::bindings::inheritance::Castable;
use crate::dom::bindings::refcounted::Trusted;
use crate::dom::event::{EventBubbles, EventCancelable, EventTask};
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};
#[derive(Clone, JSTraceable)]
pub struct UserInteractionTaskSource(
#[no_trace] pub Sender<MainThreadScriptMsg>,
#[no_trace] pub PipelineId,
);
impl fmt::Debug for UserInteractionTaskSource {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "UserInteractionTaskSource(...)")
}
}
impl TaskSource for UserInteractionTaskSource {
const NAME: TaskSourceName = TaskSourceName::UserInteraction;
fn queue_with_canceller<T>(&self, task: T, canceller: &TaskCanceller) -> Result<(), ()>
where
T: TaskOnce + 'static,
{
let msg = MainThreadScriptMsg::Common(CommonScriptMsg::Task(
ScriptThreadEventCategory::InputEvent,
Box::new(canceller.wrap_task(task)),
Some(self.1),
UserInteractionTaskSource::NAME,
));
self.0.send(msg).map_err(|_| ())
}
}
impl UserInteractionTaskSource {
pub fn queue_event(
&self,
target: &EventTarget,
name: Atom,
bubbles: EventBubbles,
cancelable: EventCancelable,
window: &Window,
) {
let target = Trusted::new(target);
let task = EventTask {
target,
name,
bubbles,
cancelable,
};
let _ = self.queue(task, window.upcast());
}
}
|
