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Introduce GlobalScope::file_reading_task_source

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This commit is contained in:
Anthony Ramine 2016-10-05 09:52:30 +02:00
parent 0a11c48e89
commit e7a1149984
3 changed files with 17 additions and 13 deletions
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10
components/script/dom/bindings/global.rs
View file

@ -18,7 +18,6 @@ use js::{JSCLASS_IS_DOMJSCLASS, JSCLASS_IS_GLOBAL};
use js::glue::{IsWrapper, UnwrapObject};
use js::jsapi::{CurrentGlobalOrNull, GetGlobalForObjectCrossCompartment};
use js::jsapi::{JSContext, JSObject, JS_GetClass};
use task_source::file_reading::FileReadingTaskSource;
/// A freely-copyable reference to a rooted global object.
#[derive(Copy, Clone)]
@ -54,15 +53,6 @@ impl<'a> GlobalRef<'a> {
GlobalRef::Worker(ref worker) => worker.get_cx(),
}
}
/// `ScriptChan` used to send messages to the event loop of this global's
/// thread.
pub fn file_reading_task_source(&self) -> FileReadingTaskSource {
match *self {
GlobalRef::Window(ref window) => window.file_reading_task_source(),
GlobalRef::Worker(ref worker) => worker.file_reading_task_source(),
}
}
}
impl<'a> Reflectable for GlobalRef<'a> {

7
components/script/dom/filereader.rs
View file

@ -333,8 +333,9 @@ impl FileReader {
return Err(Error::InvalidState);
}
// Step 2
let global = self.global_scope();
if blob.IsClosed() {
let exception = DOMException::new(&self.global_scope(), DOMErrorName::InvalidStateError);
let exception = DOMException::new(&global, DOMErrorName::InvalidStateError);
self.error.set(Some(&exception));
self.dispatch_progress_event(atom!("error"), 0, None);
@ -354,8 +355,8 @@ impl FileReader {
let fr = Trusted::new(self);
let gen_id = self.generation_id.get();
let wrapper = self.global_scope().get_runnable_wrapper();
let task_source = self.global().r().file_reading_task_source();
let wrapper = global.get_runnable_wrapper();
let task_source = global.file_reading_task_source();
spawn_named("file reader async operation".to_owned(), move || {
perform_annotated_read_operation(gen_id, load_data, blob_contents, fr, task_source, wrapper)

13
components/script/dom/globalscope.rs
View file

@ -36,6 +36,7 @@ use std::collections::HashMap;
use std::collections::hash_map::Entry;
use std::ffi::CString;
use std::panic;
use task_source::file_reading::FileReadingTaskSource;
use time::{Timespec, get_time};
use timers::{IsInterval, OneshotTimerCallback, OneshotTimerHandle};
use timers::{OneshotTimers, TimerCallback};
@ -457,6 +458,18 @@ impl GlobalScope {
}
unreachable!();
}
/// Channel to send messages to the file reading task source of
/// this of this global scope.
pub fn file_reading_task_source(&self) -> FileReadingTaskSource {
if let Some(window) = self.downcast::<Window>() {
return window.file_reading_task_source();
}
if let Some(worker) = self.downcast::<WorkerGlobalScope>() {
return worker.file_reading_task_source();
}
unreachable!();
}
}
fn timestamp_in_ms(time: Timespec) -> u64 {