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Make stylesheets block page load.

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This commit is contained in:
Josh Matthews 2014-10-17 11:11:46 -04:00
parent 7f0706ed42
commit 32a89c9455
10 changed files with 106 additions and 30 deletions
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23
components/layout/layout_task.rs
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@ -45,7 +45,7 @@ use msg::constellation_msg::{ConstellationChan, Failure, PipelineExitType, Pipel
use profile_traits::mem::{self, Report, ReportsChan};
use profile_traits::time::{self, ProfilerMetadata, profile};
use profile_traits::time::{TimerMetadataFrameType, TimerMetadataReflowType};
use net_traits::{load_bytes_iter, ResourceTask};
use net_traits::{load_bytes_iter, PendingAsyncLoad};
use net_traits::image_cache_task::{ImageCacheTask, ImageCacheResult, ImageCacheChan};
use script::dom::bindings::js::LayoutJS;
use script::dom::node::{LayoutData, Node};
@ -170,8 +170,8 @@ pub struct LayoutTask {
/// The name used for the task's memory reporter.
pub reporter_name: String,
/// The channel on which messages can be sent to the resource task.
pub resource_task: ResourceTask,
/// The channel on which messages can be sent to the image cache.
pub image_cache_task: ImageCacheTask,
/// Public interface to the font cache task.
pub font_cache_task: FontCacheTask,
@ -198,7 +198,6 @@ impl LayoutTaskFactory for LayoutTask {
failure_msg: Failure,
script_chan: ScriptControlChan,
paint_chan: PaintChan,
resource_task: ResourceTask,
image_cache_task: ImageCacheTask,
font_cache_task: FontCacheTask,
time_profiler_chan: time::ProfilerChan,
@ -217,7 +216,6 @@ impl LayoutTaskFactory for LayoutTask {
constellation_chan,
script_chan,
paint_chan,
resource_task,
image_cache_task,
font_cache_task,
time_profiler_chan,
@ -270,7 +268,6 @@ impl LayoutTask {
constellation_chan: ConstellationChan,
script_chan: ScriptControlChan,
paint_chan: PaintChan,
resource_task: ResourceTask,
image_cache_task: ImageCacheTask,
font_cache_task: FontCacheTask,
time_profiler_chan: time::ProfilerChan,
@ -311,7 +308,7 @@ impl LayoutTask {
time_profiler_chan: time_profiler_chan,
mem_profiler_chan: mem_profiler_chan,
reporter_name: reporter_name,
resource_task: resource_task,
image_cache_task: image_cache_task.clone(),
font_cache_task: font_cache_task,
first_reflow: Cell::new(true),
image_cache_receiver: image_cache_receiver,
@ -489,8 +486,8 @@ impl LayoutTask {
Msg::AddStylesheet(sheet, mq) => {
self.handle_add_stylesheet(sheet, mq, possibly_locked_rw_data)
}
Msg::LoadStylesheet(url, mq) => {
self.handle_load_stylesheet(url, mq, possibly_locked_rw_data)
Msg::LoadStylesheet(url, mq, pending) => {
self.handle_load_stylesheet(url, mq, pending, possibly_locked_rw_data)
}
Msg::SetQuirksMode => self.handle_set_quirks_mode(possibly_locked_rw_data),
Msg::GetRPC(response_chan) => {
@ -595,13 +592,14 @@ impl LayoutTask {
fn handle_load_stylesheet<'a>(&'a self,
url: Url,
mq: MediaQueryList,
pending: PendingAsyncLoad,
possibly_locked_rw_data:
&mut Option<MutexGuard<'a, LayoutTaskData>>) {
// TODO: Get the actual value. http://dev.w3.org/csswg/css-syntax/#environment-encoding
let environment_encoding = UTF_8 as EncodingRef;
// TODO we don't really even need to load this if mq does not match
let (metadata, iter) = load_bytes_iter(&self.resource_task, url);
let (metadata, iter) = load_bytes_iter(pending);
let protocol_encoding_label = metadata.charset.as_ref().map(|s| &**s);
let final_url = metadata.final_url;
@ -610,6 +608,11 @@ impl LayoutTask {
protocol_encoding_label,
Some(environment_encoding),
Origin::Author);
//TODO: mark critical subresources as blocking load as well
let ScriptControlChan(ref chan) = self.script_chan;
chan.send(ConstellationControlMsg::StylesheetLoadComplete(self.id, url)).unwrap();
self.handle_add_stylesheet(sheet, mq, possibly_locked_rw_data);
}