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altering pipeline visibility change logic

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This commit is contained in:
jmr0 2016-09-11 18:24:10 -04:00
parent 2fb4dd9ec3
commit cf21ea5641
3 changed files with 45 additions and 11 deletions
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27
components/constellation/constellation.rs
View file

@ -548,6 +548,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
fn new_pipeline(&mut self,
pipeline_id: PipelineId,
parent_info: Option<(PipelineId, FrameType)>,
old_pipeline_id: Option<PipelineId>,
initial_window_size: Option<TypedSize2D<f32, PagePx>>,
script_channel: Option<IpcSender<ConstellationControlMsg>>,
load_data: LoadData,
@ -560,7 +561,9 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
self.public_resource_threads.clone()
};
let parent_visibility = if let Some((parent_pipeline_id, _)) = parent_info {
let prev_visibility = if let Some(id) = old_pipeline_id {
self.pipelines.get(&id).map(|pipeline| pipeline.visible)
} else if let Some((parent_pipeline_id, _)) = parent_info {
self.pipelines.get(&parent_pipeline_id).map(|pipeline| pipeline.visible)
} else {
None
@ -586,7 +589,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
load_data: load_data,
device_pixel_ratio: self.window_size.device_pixel_ratio,
pipeline_namespace_id: self.next_pipeline_namespace_id(),
parent_visibility: parent_visibility,
prev_visibility: prev_visibility,
webrender_api_sender: self.webrender_api_sender.clone(),
is_private: is_private,
});
@ -1146,7 +1149,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
let new_pipeline_id = PipelineId::new();
let load_data = LoadData::new(failure_url, None, None);
self.new_pipeline(new_pipeline_id, parent_info, window_size, None, load_data, false);
self.new_pipeline(new_pipeline_id, parent_info, Some(pipeline_id), window_size, None, load_data, false);
self.push_pending_frame(new_pipeline_id, Some(pipeline_id));
@ -1171,7 +1174,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
let window_size = self.window_size.visible_viewport;
let root_pipeline_id = PipelineId::new();
debug_assert!(PipelineId::fake_root_pipeline_id() == root_pipeline_id);
self.new_pipeline(root_pipeline_id, None, Some(window_size), None,
self.new_pipeline(root_pipeline_id, None, None, Some(window_size), None,
LoadData::new(url.clone(), None, None), false);
self.handle_load_start_msg(root_pipeline_id);
self.push_pending_frame(root_pipeline_id, None);
@ -1290,6 +1293,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
// Create the new pipeline, attached to the parent and push to pending frames
self.new_pipeline(load_info.new_pipeline_id,
Some((load_info.parent_pipeline_id, load_info.frame_type)),
load_info.old_pipeline_id,
window_size,
script_chan,
load_data,
@ -1424,7 +1428,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
// Create the new pipeline
let window_size = self.pipelines.get(&source_id).and_then(|source| source.size);
let new_pipeline_id = PipelineId::new();
self.new_pipeline(new_pipeline_id, None, window_size, None, load_data, false);
self.new_pipeline(new_pipeline_id, None, None, window_size, None, load_data, false);
self.push_pending_frame(new_pipeline_id, Some(source_id));
// Send message to ScriptThread that will suspend all timers
@ -1668,9 +1672,16 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
}
fn handle_set_visible_msg(&mut self, pipeline_id: PipelineId, visible: bool) {
let frame_id = self.pipelines.get(&pipeline_id).and_then(|pipeline| pipeline.frame);
let child_pipeline_ids: Vec<PipelineId> = self.current_frame_tree_iter(frame_id)
.map(|frame| frame.current.pipeline_id)
let frame_id = match self.pipelines.get(&pipeline_id).and_then(|pipeline| pipeline.frame) {
Some(id) => id,
None => return warn!("No frame associated with pipeline {:?}", pipeline_id),
};
let child_pipeline_ids: Vec<PipelineId> = self.full_frame_tree_iter(frame_id)
.flat_map(|frame| frame.next.iter()
.chain(frame.prev.iter())
.chain(once(&frame.current)))
.map(|state| state.pipeline_id)
.collect();
for id in child_pipeline_ids {
if let Some(pipeline) = self.pipelines.get_mut(&id) {

6
components/constellation/pipeline.rs
View file

@ -121,8 +121,8 @@ pub struct InitialPipelineState {
pub load_data: LoadData,
/// The ID of the pipeline namespace for this script thread.
pub pipeline_namespace_id: PipelineNamespaceId,
/// Pipeline visibility is inherited from parent
pub parent_visibility: Option<bool>,
/// Pipeline visibility to be inherited
pub prev_visibility: Option<bool>,
/// Optional webrender api (if enabled).
pub webrender_api_sender: Option<webrender_traits::RenderApiSender>,
/// Whether this pipeline is considered private.
@ -263,7 +263,7 @@ impl Pipeline {
state.is_private,
state.load_data.url,
state.window_size,
state.parent_visibility.unwrap_or(true));
state.prev_visibility.unwrap_or(true));
pipeline.notify_visibility();

23
tests/wpt/mozilla/tests/mozilla/mozbrowser/iframe_visibility.html
View file

@ -88,5 +88,28 @@
});
document.body.appendChild(iframe);
}, 'Minimum setTimeout of 1s when pipeline is invisible');
async_test(function(t) {
var iframe = document.createElement("iframe");
var destination = "helper.html";
iframe.src = "http://web-platform.test:8000/common/blank.html";
iframe.mozbrowser = true;
iframe.onload = t.step_func(function() {
iframe.addEventListener("mozbrowservisibilitychange", t.step_func(function() {
iframe.src = destination;
}));
if (iframe.src !== destination) {
iframe.setVisible(false);
} else {
var startTime = Date.now();
iframe.contentWindow.setTimeout(t.step_func(function() {
assert_true(Date.now() - startTime >= 1000);
t.done();
}), 1);
}
});
document.body.appendChild(iframe);
}, 'Minimum setTimeout of 1s persists after new page is loaded');
</script>
</body>