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Make image cache per-document rather than global

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This commit is contained in:
Fernando Jiménez Moreno 2017-03-16 11:08:09 +01:00
parent 9eb6bb78b0
commit 72d7ee613b
25 changed files with 448 additions and 649 deletions
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23
components/script/dom/htmlimageelement.rs
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@ -40,9 +40,9 @@ use ipc_channel::ipc;
use ipc_channel::router::ROUTER;
use net_traits::{FetchResponseListener, FetchMetadata, NetworkError, FetchResponseMsg};
use net_traits::image::base::{Image, ImageMetadata};
use net_traits::image_cache_thread::{ImageResponder, ImageResponse, PendingImageId, ImageState};
use net_traits::image_cache_thread::{UsePlaceholder, ImageOrMetadataAvailable, CanRequestImages};
use net_traits::image_cache_thread::ImageCacheThread;
use net_traits::image_cache::{ImageResponder, ImageResponse, PendingImageId, ImageState};
use net_traits::image_cache::{UsePlaceholder, ImageOrMetadataAvailable, CanRequestImages};
use net_traits::image_cache::ImageCache;
use net_traits::request::{RequestInit, Type as RequestType};
use network_listener::{NetworkListener, PreInvoke};
use num_traits::ToPrimitive;
@ -120,8 +120,8 @@ impl Runnable for ImageResponseHandlerRunnable {
/// The context required for asynchronously loading an external image.
struct ImageContext {
/// A handle with which to communicate with the image cache.
image_cache: ImageCacheThread,
/// Reference to the script thread image cache.
image_cache: Arc<ImageCache>,
/// Indicates whether the request failed, and why
status: Result<(), NetworkError>,
/// The cache ID for this request.
@ -186,7 +186,7 @@ impl HTMLImageElement {
Some(LoadBlocker::new(&*document, LoadType::Image(img_url.clone())));
}
fn add_cache_listener_for_element(image_cache: &ImageCacheThread,
fn add_cache_listener_for_element(image_cache: Arc<ImageCache>,
id: PendingImageId,
elem: &HTMLImageElement) {
let trusted_node = Trusted::new(elem);
@ -197,8 +197,9 @@ impl HTMLImageElement {
let wrapper = window.get_runnable_wrapper();
let generation = elem.generation.get();
ROUTER.add_route(responder_receiver.to_opaque(), box move |message| {
// Return the image via a message to the script thread, which marks the element
// as dirty and triggers a reflow.
debug!("Got image {:?}", message);
// Return the image via a message to the script thread, which marks
// the element as dirty and triggers a reflow.
let runnable = ImageResponseHandlerRunnable::new(
trusted_node.clone(), message.to().unwrap(), generation);
let _ = task_source.queue_with_wrapper(box runnable, &wrapper);
@ -208,7 +209,7 @@ impl HTMLImageElement {
}
let window = window_from_node(self);
let image_cache = window.image_cache_thread();
let image_cache = window.image_cache();
let response =
image_cache.find_image_or_metadata(img_url.clone().into(),
UsePlaceholder::Yes,
@ -223,7 +224,7 @@ impl HTMLImageElement {
}
Err(ImageState::Pending(id)) => {
add_cache_listener_for_element(image_cache, id, self);
add_cache_listener_for_element(image_cache.clone(), id, self);
}
Err(ImageState::LoadError) => {
@ -242,7 +243,7 @@ impl HTMLImageElement {
let window = window_from_node(self);
let context = Arc::new(Mutex::new(ImageContext {
image_cache: window.image_cache_thread().clone(),
image_cache: window.image_cache(),
status: Ok(()),
id: id,
}));