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Use a restyle for animation ticks

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This change corrects synchronization issues with animations, by
reworking the animation processing model to do a quick restyle and
incremental layout when ticking animations.

While this change adds overhead to animation ticks, the idea is that
this will be the fallback when synchronous behavior is required to
fulfill specification requirements. In the optimistic case, many
animations could be updated and applied off-the-main-thread and then
resynchronized when style information is queried by script.

Fixes #13865.
This commit is contained in:
Martin Robinson 2020-04-30 15:38:56 +02:00
parent 5e44327325
commit b585ce5b1f
39 changed files with 1285 additions and 1662 deletions
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20
components/net/image_cache.rs
View file

@ -7,8 +7,7 @@ use immeta::load_from_buf;
use ipc_channel::ipc::IpcSender;
use net_traits::image::base::{load_from_memory, Image, ImageMetadata};
use net_traits::image_cache::{
CanRequestImages, CorsStatus, ImageCache, ImageCacheResult, ImageResponder,
PendingImageResponse,
CorsStatus, ImageCache, ImageCacheResult, ImageResponder, PendingImageResponse,
};
use net_traits::image_cache::{ImageOrMetadataAvailable, ImageResponse};
use net_traits::image_cache::{PendingImageId, UsePlaceholder};
@ -147,7 +146,6 @@ impl AllPendingLoads {
url: ServoUrl,
origin: ImmutableOrigin,
cors_status: Option<CorsSettings>,
can_request: CanRequestImages,
) -> CacheResult<'a> {
match self
.url_to_load_key
@ -158,10 +156,6 @@ impl AllPendingLoads {
CacheResult::Hit(*load_key, self.loads.get_mut(load_key).unwrap())
},
Vacant(url_entry) => {
if can_request == CanRequestImages::No {
return CacheResult::Miss(None);
}
let load_key = self.keygen.next();
url_entry.insert(load_key);
@ -461,7 +455,6 @@ impl ImageCache for ImageCacheImpl {
origin: ImmutableOrigin,
cors_setting: Option<CorsSettings>,
use_placeholder: UsePlaceholder,
can_request: CanRequestImages,
) -> ImageCacheResult {
let mut store = self.store.lock().unwrap();
if let Some(result) = store.get_completed_image_if_available(
@ -485,12 +478,9 @@ impl ImageCache for ImageCacheImpl {
}
let decoded = {
let result = store.pending_loads.get_cached(
url.clone(),
origin.clone(),
cors_setting,
can_request,
);
let result = store
.pending_loads
.get_cached(url.clone(), origin.clone(), cors_setting);
match result {
CacheResult::Hit(key, pl) => match (&pl.result, &pl.metadata) {
(&Some(Ok(_)), _) => {
@ -539,7 +529,6 @@ impl ImageCache for ImageCacheImpl {
cors_setting: Option<CorsSettings>,
sender: IpcSender<PendingImageResponse>,
use_placeholder: UsePlaceholder,
can_request: CanRequestImages,
) -> ImageCacheResult {
debug!("Track image for {} ({:?})", url, origin);
let cache_result = self.get_cached_image_status(
@ -547,7 +536,6 @@ impl ImageCache for ImageCacheImpl {
origin.clone(),
cors_setting,
use_placeholder,
can_request,
);
match cache_result {