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script: Make the ImageCacheTask use IPC.

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This necessitated getting rid of the boxed trait object that was being
be passed between the script task and the image cache task.
This commit is contained in:
Patrick Walton 2015-07-10 20:02:17 -07:00
parent 380de1ba82
commit 82b53d83ff
11 changed files with 102 additions and 61 deletions
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18
components/layout/layout_task.rs
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@ -68,7 +68,6 @@ use std::mem::transmute;
use std::ops::{Deref, DerefMut};
use std::sync::mpsc::{channel, Sender, Receiver, Select};
use std::sync::{Arc, Mutex, MutexGuard};
use std::thread;
use style::computed_values::{filter, mix_blend_mode};
use style::media_queries::{MediaType, MediaQueryList, Device};
use style::selector_matching::Stylist;
@ -327,16 +326,15 @@ impl LayoutTask {
// Create the channel on which new animations can be sent.
let (new_animations_sender, new_animations_receiver) = channel();
let (image_cache_sender, image_cache_receiver) = channel();
let (canvas_layers_sender, canvas_layers_receiver) = channel();
// Start a thread to proxy IPC messages from the layout thread to us.
let (pipeline_sender, pipeline_receiver) = channel();
thread::spawn(move || {
while let Ok(message) = pipeline_port.recv() {
pipeline_sender.send(message).unwrap()
}
});
// Proxy IPC messages from the pipeline to the layout thread.
let pipeline_receiver = ROUTER.route_ipc_receiver_to_new_mpsc_receiver(pipeline_port);
// Ask the router to proxy IPC messages from the image cache task to the layout thread.
let (ipc_image_cache_sender, ipc_image_cache_receiver) = ipc::channel().unwrap();
let image_cache_receiver =
ROUTER.route_ipc_receiver_to_new_mpsc_receiver(ipc_image_cache_receiver);
LayoutTask {
id: id,
@ -354,7 +352,7 @@ impl LayoutTask {
font_cache_task: font_cache_task,
first_reflow: Cell::new(true),
image_cache_receiver: image_cache_receiver,
image_cache_sender: ImageCacheChan(image_cache_sender),
image_cache_sender: ImageCacheChan(ipc_image_cache_sender),
canvas_layers_receiver: canvas_layers_receiver,
canvas_layers_sender: canvas_layers_sender,
rw_data: Arc::new(Mutex::new(