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introduce a pipeline namespace installer

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This commit is contained in:
Gregory Terzian 2019-08-13 14:31:10 +02:00
parent 47aa1ccaa2
commit 34008a317b
7 changed files with 140 additions and 7 deletions
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20
components/constellation/pipeline.rs
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@ -22,7 +22,10 @@ use media::WindowGLContext;
use metrics::PaintTimeMetrics;
use msg::constellation_msg::TopLevelBrowsingContextId;
use msg::constellation_msg::{BackgroundHangMonitorRegister, HangMonitorAlert, SamplerControlMsg};
use msg::constellation_msg::{BrowsingContextId, HistoryStateId, PipelineId, PipelineNamespaceId};
use msg::constellation_msg::{BrowsingContextId, HistoryStateId};
use msg::constellation_msg::{
PipelineId, PipelineNamespace, PipelineNamespaceId, PipelineNamespaceRequest,
};
use net::image_cache::ImageCacheImpl;
use net_traits::image_cache::ImageCache;
use net_traits::{IpcSend, ResourceThreads};
@ -121,6 +124,9 @@ pub struct InitialPipelineState {
/// A channel to the associated constellation.
pub script_to_constellation_chan: ScriptToConstellationChan,
/// A sender to request pipeline namespace ids.
pub namespace_request_sender: IpcSender<PipelineNamespaceRequest>,
/// A handle to register components for hang monitoring.
/// None when in multiprocess mode.
pub background_monitor_register: Option<Box<dyn BackgroundHangMonitorRegister>>,
@ -164,15 +170,15 @@ pub struct InitialPipelineState {
/// Information about the device pixel ratio.
pub device_pixel_ratio: Scale<f32, CSSPixel, DevicePixel>,
/// The ID of the pipeline namespace for this script thread.
pub pipeline_namespace_id: PipelineNamespaceId,
/// The event loop to run in, if applicable.
pub event_loop: Option<Rc<EventLoop>>,
/// Information about the page to load.
pub load_data: LoadData,
/// The ID of the pipeline namespace for this script thread.
pub pipeline_namespace_id: PipelineNamespaceId,
/// Whether the browsing context in which pipeline is embedded is visible
/// for the purposes of scheduling and resource management. This field is
/// only used to notify script and compositor threads after spawning
@ -278,6 +284,7 @@ impl Pipeline {
parent_pipeline_id: state.parent_pipeline_id,
opener: state.opener,
script_to_constellation_chan: state.script_to_constellation_chan.clone(),
namespace_request_sender: state.namespace_request_sender,
background_hang_monitor_to_constellation_chan: state
.background_hang_monitor_to_constellation_chan
.clone(),
@ -484,6 +491,7 @@ pub struct UnprivilegedPipelineContent {
browsing_context_id: BrowsingContextId,
parent_pipeline_id: Option<PipelineId>,
opener: Option<BrowsingContextId>,
namespace_request_sender: IpcSender<PipelineNamespaceRequest>,
script_to_constellation_chan: ScriptToConstellationChan,
background_hang_monitor_to_constellation_chan: IpcSender<HangMonitorAlert>,
sampling_profiler_port: Option<IpcReceiver<SamplerControlMsg>>,
@ -522,6 +530,10 @@ impl UnprivilegedPipelineContent {
LTF: LayoutThreadFactory<Message = Message>,
STF: ScriptThreadFactory<Message = Message>,
{
// Setup pipeline-namespace-installing for all threads in this process.
// Idempotent in single-process mode.
PipelineNamespace::set_installer_sender(self.namespace_request_sender);
let image_cache = Arc::new(ImageCacheImpl::new(self.webrender_api_sender.create_api()));
let paint_time_metrics = PaintTimeMetrics::new(
self.id,