зеркало из https://github.com/mozilla/gecko-dev.git
74 строки
2.6 KiB
Rust
74 строки
2.6 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use bindings::RawServoStyleSet;
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use euclid::Size2D;
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use euclid::size::TypedSize2D;
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use num_cpus;
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use selector_impl::{Stylist, Stylesheet, SharedStyleContext};
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use std::cmp;
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use std::collections::HashMap;
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use std::sync::mpsc::{channel, Receiver, Sender};
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use std::sync::{Arc, RwLock};
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use style::animation::Animation;
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use style::dom::OpaqueNode;
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use style::media_queries::{Device, MediaType};
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use style::parallel::WorkQueueData;
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use util::geometry::ViewportPx;
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use util::thread_state;
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use util::workqueue::WorkQueue;
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pub struct PerDocumentStyleData {
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/// Rule processor.
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pub stylist: Arc<Stylist>,
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/// List of stylesheets, mirrored from Gecko.
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pub stylesheets: Vec<Arc<Stylesheet>>,
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/// Whether the stylesheets list above has changed since the last restyle.
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pub stylesheets_changed: bool,
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// FIXME(bholley): Hook these up to something.
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pub new_animations_sender: Sender<Animation>,
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pub new_animations_receiver: Receiver<Animation>,
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pub running_animations: Arc<RwLock<HashMap<OpaqueNode, Vec<Animation>>>>,
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pub expired_animations: Arc<RwLock<HashMap<OpaqueNode, Vec<Animation>>>>,
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// FIXME(bholley): This shouldn't be per-document.
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pub work_queue: WorkQueue<SharedStyleContext, WorkQueueData>,
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}
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impl PerDocumentStyleData {
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pub fn new() -> PerDocumentStyleData {
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// FIXME(bholley): Real window size.
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let window_size: TypedSize2D<ViewportPx, f32> = Size2D::typed(800.0, 600.0);
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let device = Device::new(MediaType::Screen, window_size);
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let (new_anims_sender, new_anims_receiver) = channel();
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let num_threads = cmp::max(num_cpus::get() * 3 / 4, 1);
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PerDocumentStyleData {
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stylist: Arc::new(Stylist::new(device)),
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stylesheets: vec![],
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stylesheets_changed: true,
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new_animations_sender: new_anims_sender,
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new_animations_receiver: new_anims_receiver,
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running_animations: Arc::new(RwLock::new(HashMap::new())),
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expired_animations: Arc::new(RwLock::new(HashMap::new())),
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work_queue: WorkQueue::new("StyleWorker", thread_state::LAYOUT, num_threads),
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}
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}
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pub fn borrow_mut_from_raw<'a>(data: *mut RawServoStyleSet) -> &'a mut Self {
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unsafe { &mut *(data as *mut PerDocumentStyleData) }
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}
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}
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impl Drop for PerDocumentStyleData {
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fn drop(&mut self) {
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self.work_queue.shutdown();
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}
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}
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