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Make external script sources load asynchronously, yet still block further parsing. Hook up document loading to async networking events.

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This commit is contained in:
Josh Matthews 2015-03-11 10:44:59 -04:00
parent e52197d126
commit 8082df7d0d
32 changed files with 441 additions and 276 deletions
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13
components/script/document_loader.rs
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@ -7,13 +7,12 @@
use script_task::{ScriptMsg, ScriptChan};
use msg::constellation_msg::{PipelineId};
use net_traits::{LoadResponse, Metadata, load_whole_resource, ResourceTask, PendingAsyncLoad};
use net_traits::{Metadata, load_whole_resource, ResourceTask, PendingAsyncLoad};
use net_traits::AsyncResponseTarget;
use url::Url;
use std::sync::mpsc::Receiver;
#[jstraceable]
#[derive(PartialEq, Clone)]
#[derive(PartialEq, Clone, Debug)]
pub enum LoadType {
Image(Url),
Script(Url),
@ -75,9 +74,9 @@ impl DocumentLoader {
}
/// Create and initiate a new network request.
pub fn load_async(&mut self, load: LoadType) -> Receiver<LoadResponse> {
pub fn load_async(&mut self, load: LoadType, listener: Box<AsyncResponseTarget + Send>) {
let pending = self.prepare_async_load(load);
pending.load()
pending.load_async(listener)
}
/// Create, initiate, and await the response for a new network request.
@ -91,7 +90,7 @@ impl DocumentLoader {
/// Mark an in-progress network request complete.
pub fn finish_load(&mut self, load: LoadType) {
let idx = self.blocking_loads.iter().position(|unfinished| *unfinished == load);
self.blocking_loads.remove(idx.expect("unknown completed load"));
self.blocking_loads.remove(idx.expect(&format!("unknown completed load {:?}", load)));
if let Some(NotifierData { ref script_chan, pipeline }) = self.notifier_data {
if !self.is_blocked() {