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The constellation notifies the script thread about documents becoming inactive, active and fully active.

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This commit is contained in:
Alan Jeffrey 2017-01-10 14:35:25 -06:00
parent 556a46f537
commit a43c842099
14 changed files with 162 additions and 98 deletions
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52
components/script/script_thread.rs
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@ -83,7 +83,8 @@ use profile_traits::time::{self, ProfilerCategory, profile};
use script_layout_interface::message::{self, NewLayoutThreadInfo, ReflowQueryType};
use script_runtime::{CommonScriptMsg, ScriptChan, ScriptThreadEventCategory, EnqueuedPromiseCallback};
use script_runtime::{ScriptPort, StackRootTLS, get_reports, new_rt_and_cx, PromiseJobQueue};
use script_traits::{CompositorEvent, ConstellationControlMsg, DiscardBrowsingContext, EventResult};
use script_traits::{CompositorEvent, ConstellationControlMsg};
use script_traits::{DocumentActivity, DiscardBrowsingContext, EventResult};
use script_traits::{InitialScriptState, LayoutMsg, LoadData, MouseButton, MouseEventType, MozBrowserEvent};
use script_traits::{NewLayoutInfo, ScriptMsg as ConstellationMsg};
use script_traits::{ScriptThreadFactory, TimerEvent, TimerEventRequest, TimerSource};
@ -148,8 +149,8 @@ struct InProgressLoad {
window_size: Option<WindowSizeData>,
/// Channel to the layout thread associated with this pipeline.
layout_chan: Sender<message::Msg>,
/// Window is frozen (navigated away while loading for example).
is_frozen: bool,
/// The activity level of the document (inactive, active or fully active).
activity: DocumentActivity,
/// Window is visible.
is_visible: bool,
/// The requested URL of the load.
@ -172,7 +173,7 @@ impl InProgressLoad {
parent_info: parent_info,
layout_chan: layout_chan,
window_size: window_size,
is_frozen: false,
activity: DocumentActivity::FullyActive,
is_visible: true,
url: url,
origin: origin,
@ -963,10 +964,8 @@ impl ScriptThread {
self.handle_resize_inactive_msg(id, new_size),
ConstellationControlMsg::GetTitle(pipeline_id) =>
self.handle_get_title_msg(pipeline_id),
ConstellationControlMsg::Freeze(pipeline_id) =>
self.handle_freeze_msg(pipeline_id),
ConstellationControlMsg::Thaw(pipeline_id) =>
self.handle_thaw_msg(pipeline_id),
ConstellationControlMsg::SetDocumentActivity(pipeline_id, activity) =>
self.handle_set_document_activity_msg(pipeline_id, activity),
ConstellationControlMsg::ChangeFrameVisibilityStatus(pipeline_id, visible) =>
self.handle_visibility_change_msg(pipeline_id, visible),
ConstellationControlMsg::NotifyVisibilityChange(parent_pipeline_id, frame_id, visible) =>
@ -1303,37 +1302,19 @@ impl ScriptThread {
warn!("change visibility message sent to nonexistent pipeline");
}
/// Handles freeze message
fn handle_freeze_msg(&self, id: PipelineId) {
/// Handles activity change message
fn handle_set_document_activity_msg(&self, id: PipelineId, activity: DocumentActivity) {
let document = self.documents.borrow().find_document(id);
if let Some(document) = document {
document.window().freeze();
document.fully_deactivate();
document.set_activity(activity);
return;
}
let mut loads = self.incomplete_loads.borrow_mut();
if let Some(ref mut load) = loads.iter_mut().find(|load| load.pipeline_id == id) {
load.is_frozen = true;
load.activity = activity;
return;
}
warn!("freeze sent to nonexistent pipeline");
}
/// Handles thaw message
fn handle_thaw_msg(&self, id: PipelineId) {
let document = self.documents.borrow().find_document(id);
if let Some(document) = document {
self.rebuild_and_force_reflow(&document, ReflowReason::CachedPageNeededReflow);
document.window().thaw();
document.fully_activate();
return;
}
let mut loads = self.incomplete_loads.borrow_mut();
if let Some(ref mut load) = loads.iter_mut().find(|load| load.pipeline_id == id) {
load.is_frozen = false;
return;
}
warn!("thaw sent to nonexistent pipeline");
warn!("change of activity sent to nonexistent pipeline");
}
fn handle_focus_iframe_msg(&self,
@ -1759,16 +1740,13 @@ impl ScriptThread {
is_html_document,
content_type,
last_modified,
incomplete.activity,
DocumentSource::FromParser,
loader,
referrer,
referrer_policy);
document.set_ready_state(DocumentReadyState::Loading);
if !incomplete.is_frozen {
document.fully_activate();
}
self.documents.borrow_mut().insert(incomplete.pipeline_id, &*document);
window.init_document(&document);
@ -1822,8 +1800,8 @@ impl ScriptThread {
ServoParser::parse_html_document(&document, parse_input, final_url);
}
if incomplete.is_frozen {
window.upcast::<GlobalScope>().suspend();
if incomplete.activity != DocumentActivity::FullyActive {
window.suspend();
}
if !incomplete.is_visible {