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script: Make iframes know their pipeline IDs at all times, even after

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navigation.

Since WebRender uses the pipeline ID stored in the iframe element to
determine which pipeline to display, it had better be kept up to date!

Closes #9919.
This commit is contained in:
Patrick Walton 2016-03-23 17:49:03 -07:00
parent c011c3197d
commit 7bd257089c
8 changed files with 102 additions and 9 deletions
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5
components/compositing/constellation.rs
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@ -1256,7 +1256,10 @@ impl<LTF: LayoutThreadFactory, STF: ScriptThreadFactory> Constellation<LTF, STF>
Some((_, new_subpage_id)) => new_subpage_id,
},
};
let msg = ConstellationControlMsg::UpdateSubpageId(parent_pipeline_id, subpage_id, new_subpage_id);
let msg = ConstellationControlMsg::UpdateSubpageId(parent_pipeline_id,
subpage_id,
new_subpage_id,
next_pipeline_id);
let result = match self.pipelines.get(&parent_pipeline_id) {
None => return warn!("Pipeline {:?} child navigated after closure.", parent_pipeline_id),
Some(pipeline) => pipeline.script_chan.send(msg),