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Ignore media-related tasks when starting the media load algorithm

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This commit is contained in:
Anthony Ramine 2017-09-20 16:11:26 +02:00
parent 9aaa42b061
commit 6c5fe041d7
2 changed files with 25 additions and 13 deletions
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35
components/script/dom/htmlmediaelement.rs
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@ -52,7 +52,7 @@ pub struct HTMLMediaElement {
ready_state: Cell<ReadyState>,
/// https://html.spec.whatwg.org/multipage/#dom-media-currentsrc
current_src: DOMRefCell<String>,
// FIXME(nox): Document this one, I have no idea what it is used for.
/// Incremented whenever tasks associated with this element are cancelled.
generation_id: Cell<u32>,
/// https://html.spec.whatwg.org/multipage/#fire-loadeddata
///
@ -149,17 +149,22 @@ impl HTMLMediaElement {
// Step 2.3.
let window = window_from_node(self);
let target = Trusted::new(self.upcast::<EventTarget>());
let this = Trusted::new(self);
let generation_id = self.generation_id.get();
// FIXME(nox): Why are errors silenced here?
// FIXME(nox): Media element event task source should be used here.
let _ = window.dom_manipulation_task_source().queue(
task!(internal_pause_steps: move || {
let target = target.root();
let this = this.root();
if generation_id != this.generation_id.get() {
return;
}
// Step 2.3.1.
target.fire_event(atom!("timeupdate"));
this.upcast::<EventTarget>().fire_event(atom!("timeupdate"));
// Step 2.3.2.
target.fire_event(atom!("pause"));
this.upcast::<EventTarget>().fire_event(atom!("pause"));
// Step 2.3.3.
// FIXME(nox): Reject pending play promises with promises
@ -180,15 +185,20 @@ impl HTMLMediaElement {
// TODO(nox): Take pending play promises and let promises be the result.
// Step 2.
let target = Trusted::new(self.upcast::<EventTarget>());
let window = window_from_node(self);
let this = Trusted::new(self);
let generation_id = self.generation_id.get();
// FIXME(nox): Why are errors silenced here?
// FIXME(nox): Media element event task source should be used here.
let _ = window.dom_manipulation_task_source().queue(
task!(notify_about_playing: move || {
let target = target.root();
let this = this.root();
if generation_id != this.generation_id.get() {
return;
}
// Step 2.1.
target.fire_event(atom!("playing"));
this.upcast::<EventTarget>().fire_event(atom!("playing"));
// Step 2.2.
// FIXME(nox): Resolve pending play promises with promises.
@ -481,16 +491,21 @@ impl HTMLMediaElement {
}
}
/// Queues the [dedicated media source failure steps][steps].
/// Queues a task to run the [dedicated media source failure steps][steps].
///
/// [steps]: https://html.spec.whatwg.org/multipage/#dedicated-media-source-failure-steps
fn queue_dedicated_media_source_failure_steps(&self) {
let this = Trusted::new(self);
let window = window_from_node(self);
let this = Trusted::new(self);
let generation_id = self.generation_id.get();
// FIXME(nox): Why are errors silenced here?
// FIXME(nox): Media element event task source should be used here.
let _ = window.dom_manipulation_task_source().queue(
task!(dedicated_media_source_failure_steps: move || {
let this = this.root();
if generation_id != this.generation_id.get() {
return;
}
// Step 1.
this.error.set(Some(&*MediaError::new(