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Move link rel=stylesheet fetching to layout task

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Fixes #3346.
This commit is contained in:
Matt Brubeck 2014-09-15 12:39:18 -07:00
parent 7a5f15f137
commit 1ae3bda172
17 changed files with 154 additions and 196 deletions
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25
components/layout/layout_task.rs
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@ -21,6 +21,8 @@ use util::{LayoutDataAccess, LayoutDataWrapper, OpaqueNodeMethods, ToGfxColor};
use wrapper::{LayoutNode, TLayoutNode, ThreadSafeLayoutNode};
use collections::dlist::DList;
use encoding::EncodingRef;
use encoding::all::UTF_8;
use geom::point::Point2D;
use geom::rect::Rect;
use geom::size::Size2D;
@ -33,7 +35,7 @@ use layout_traits::{LayoutControlMsg, LayoutTaskFactory};
use script::dom::bindings::js::JS;
use script::dom::node::{ElementNodeTypeId, LayoutDataRef, Node};
use script::dom::element::{HTMLBodyElementTypeId, HTMLHtmlElementTypeId};
use script::layout_interface::{AddStylesheetMsg, ScriptLayoutChan};
use script::layout_interface::{AddStylesheetMsg, LoadStylesheetMsg, ScriptLayoutChan};
use script::layout_interface::{TrustedNodeAddress, ContentBoxesResponse, ExitNowMsg};
use script::layout_interface::{ContentBoxResponse, HitTestResponse, MouseOverResponse};
use script::layout_interface::{ContentChangedDocumentDamage, LayoutChan, Msg, PrepareToExitMsg};
@ -46,6 +48,7 @@ use servo_net::image_cache_task::{ImageCacheTask, ImageResponseMsg};
use gfx::font_cache_task::{FontCacheTask};
use servo_net::local_image_cache::{ImageResponder, LocalImageCache};
use servo_util::bloom::BloomFilter;
use servo_net::resource_task::{ResourceTask, load_bytes_iter};
use servo_util::geometry::Au;
use servo_util::geometry;
use servo_util::logical_geometry::LogicalPoint;
@ -112,6 +115,9 @@ pub struct LayoutTask {
/// The channel on which messages can be sent to the time profiler.
pub time_profiler_chan: TimeProfilerChan,
/// 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,
@ -298,6 +304,7 @@ impl LayoutTaskFactory for LayoutTask {
failure_msg: Failure,
script_chan: ScriptControlChan,
render_chan: RenderChan,
resource_task: ResourceTask,
img_cache_task: ImageCacheTask,
font_cache_task: FontCacheTask,
opts: Opts,
@ -316,6 +323,7 @@ impl LayoutTaskFactory for LayoutTask {
constellation_chan,
script_chan,
render_chan,
resource_task,
img_cache_task,
font_cache_task,
&opts,
@ -365,6 +373,7 @@ impl LayoutTask {
constellation_chan: ConstellationChan,
script_chan: ScriptControlChan,
render_chan: RenderChan,
resource_task: ResourceTask,
image_cache_task: ImageCacheTask,
font_cache_task: FontCacheTask,
opts: &Opts,
@ -387,6 +396,7 @@ impl LayoutTask {
script_chan: script_chan,
render_chan: render_chan,
time_profiler_chan: time_profiler_chan,
resource_task: resource_task,
image_cache_task: image_cache_task.clone(),
font_cache_task: font_cache_task,
opts: opts.clone(),
@ -494,6 +504,7 @@ impl LayoutTask {
fn handle_script_request<'a>(&'a self, request: Msg, possibly_locked_rw_data: &mut Option<MutexGuard<'a, LayoutTaskData>>) -> bool {
match request {
AddStylesheetMsg(sheet) => self.handle_add_stylesheet(sheet, possibly_locked_rw_data),
LoadStylesheetMsg(url) => self.handle_load_stylesheet(url, possibly_locked_rw_data),
GetRPCMsg(response_chan) => {
response_chan.send(
box LayoutRPCImpl(
@ -567,6 +578,18 @@ impl LayoutTask {
response_port.recv()
}
fn handle_load_stylesheet<'a>(&'a self, url: Url, 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;
let (metadata, iter) = load_bytes_iter(&self.resource_task, url);
let protocol_encoding_label = metadata.charset.as_ref().map(|s| s.as_slice());
let final_url = metadata.final_url;
let sheet = Stylesheet::from_bytes_iter(iter, final_url, protocol_encoding_label, Some(environment_encoding));
self.handle_add_stylesheet(sheet, possibly_locked_rw_data);
}
fn handle_add_stylesheet<'a>(&'a self, sheet: Stylesheet, possibly_locked_rw_data: &mut Option<MutexGuard<'a, LayoutTaskData>>) {
// Find all font-face rules and notify the font cache of them.
// GWTODO: Need to handle unloading web fonts (when we handle unloading stylesheets!)