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Support @font-face in user and user agent stylesheets.

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This commit is contained in:
Simon Sapin 2015-08-05 19:33:40 +02:00
parent 9317a30b91
commit 4833204653
2 changed files with 20 additions and 6 deletions
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21
components/layout/layout_task.rs
View file

@ -297,6 +297,14 @@ impl<'a> DerefMut for RWGuard<'a> {
}
}
fn add_font_face_rules(stylesheet: &Stylesheet, device: &Device, font_cache_task: &FontCacheTask) {
for font_face in stylesheet.effective_rules(&device).font_face() {
for source in font_face.sources.iter() {
font_cache_task.add_web_font(font_face.family.clone(), source.clone());
}
}
}
impl LayoutTask {
/// Creates a new `LayoutTask` structure.
fn new(id: PipelineId,
@ -336,6 +344,11 @@ impl LayoutTask {
let image_cache_receiver =
ROUTER.route_ipc_receiver_to_new_mpsc_receiver(ipc_image_cache_receiver);
let stylist = box Stylist::new(device);
for user_or_user_agent_stylesheet in stylist.stylesheets() {
add_font_face_rules(user_or_user_agent_stylesheet, &stylist.device, &font_cache_task);
}
LayoutTask {
id: id,
url: url,
@ -362,7 +375,7 @@ impl LayoutTask {
constellation_chan: constellation_chan,
screen_size: screen_size,
stacking_context: None,
stylist: box Stylist::new(device),
stylist: stylist,
parallel_traversal: parallel_traversal,
dirty: Rect::zero(),
generation: 0,
@ -735,11 +748,7 @@ impl LayoutTask {
let mut rw_data = self.lock_rw_data(possibly_locked_rw_data);
if mq.evaluate(&rw_data.stylist.device) {
for font_face in sheet.effective_rules(&rw_data.stylist.device).font_face() {
for source in font_face.sources.iter() {
self.font_cache_task.add_web_font(font_face.family.clone(), source.clone());
}
}
add_font_face_rules(&sheet, &rw_data.stylist.device, &self.font_cache_task);
rw_data.stylist.add_stylesheet(sheet);
}

5
components/style/selector_matching.rs
View file

@ -84,6 +84,11 @@ impl Stylist {
stylist
}
#[inline]
pub fn stylesheets(&self) -> &[Stylesheet] {
&self.stylesheets
}
pub fn constrain_viewport(&self) -> Option<ViewportConstraints> {
let cascaded_rule = self.stylesheets.iter()
.flat_map(|s| s.effective_rules(&self.device).viewport())