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Fix for #8593 'loop..match' should be 'while let'

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changed line 641 of constellation.rs to while let

added while let at line 1201 in constellation.rs

added while let to line 1199 in block.rs
This commit is contained in:
r0e 2015-11-18 20:37:47 -08:00
parent a5babb89a0
commit 99acd46c48
3 changed files with 29 additions and 47 deletions
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36
components/compositing/constellation.rs
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@ -638,17 +638,11 @@ impl<LTF: LayoutTaskFactory, STF: ScriptTaskFactory> Constellation<LTF, STF> {
self.close_pipeline(pipeline_id, ExitPipelineMode::Force);
loop {
let pending_pipeline_id = self.pending_frames.iter().find(|pending| {
pending.old_pipeline_id == Some(pipeline_id)
}).map(|frame| frame.new_pipeline_id);
match pending_pipeline_id {
Some(pending_pipeline_id) => {
debug!("removing pending frame change for failed pipeline");
self.close_pipeline(pending_pipeline_id, ExitPipelineMode::Force);
},
None => break,
}
while let Some(pending_pipeline_id) = self.pending_frames.iter().find(|pending| {
pending.old_pipeline_id == Some(pipeline_id)
}).map(|frame| frame.new_pipeline_id) {
debug!("removing pending frame change for failed pipeline");
self.close_pipeline(pending_pipeline_id, ExitPipelineMode::Force);
}
debug!("creating replacement pipeline for about:failure");
@ -1198,20 +1192,14 @@ impl<LTF: LayoutTaskFactory, STF: ScriptTaskFactory> Constellation<LTF, STF> {
// other hand, if no frames can be enabled after looping through all pending
// frames, we can safely exit the loop, knowing that we will need to wait on
// a dependent pipeline to be ready to paint.
loop {
let valid_frame_change = self.pending_frames.iter().rposition(|frame_change| {
let waiting_on_dependency = frame_change.old_pipeline_id.map_or(false, |old_pipeline_id| {
self.pipeline_to_frame_map.get(&old_pipeline_id).is_none()
});
frame_change.painter_ready && !waiting_on_dependency
while let Some(valid_frame_change) = self.pending_frames.iter().rposition(|frame_change| {
let waiting_on_dependency = frame_change.old_pipeline_id.map_or(false, |old_pipeline_id| {
self.pipeline_to_frame_map.get(&old_pipeline_id).is_none()
});
if let Some(valid_frame_change) = valid_frame_change {
let frame_change = self.pending_frames.swap_remove(valid_frame_change);
self.add_or_replace_pipeline_in_frame_tree(frame_change);
} else {
break;
}
frame_change.painter_ready && !waiting_on_dependency
}) {
let frame_change = self.pending_frames.swap_remove(valid_frame_change);
self.add_or_replace_pipeline_in_frame_tree(frame_change);
}
}