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handle case of deleted pipeline when preparing to send load_end constellation msg

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This commit is contained in:
Mike Blumenkrantz 2015-05-26 21:17:04 -04:00
parent 45116dca71
commit fcf449517d
1 changed files with 7 additions and 4 deletions
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11
components/compositing/constellation.rs
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@ -666,8 +666,8 @@ impl<LTF: LayoutTaskFactory, STF: ScriptTaskFactory> Constellation<LTF, STF> {
}
fn handle_load_start_msg(&mut self, pipeline_id: &PipelineId) {
let mut back = false;
let mut forward = false;
let mut back;
let mut forward;
let frameid = self.pipeline_to_frame_map.get(pipeline_id);
match frameid {
Some(frame_id) => {
@ -676,13 +676,16 @@ impl<LTF: LayoutTaskFactory, STF: ScriptTaskFactory> Constellation<LTF, STF> {
back = if !self.frame(*frame_id).prev.is_empty() { true }
else { false };
},
None => {}
None => return
};
self.compositor_proxy.send(CompositorMsg::LoadStart(back, forward));
}
fn handle_load_complete_msg(&mut self, pipeline_id: &PipelineId) {
let frame_id = *self.pipeline_to_frame_map.get(pipeline_id).unwrap();
let frame_id = match self.pipeline_to_frame_map.get(pipeline_id) {
Some(frame) => *frame,
None => return
};
let forward = !self.mut_frame(frame_id).next.is_empty();
let back = !self.mut_frame(frame_id).prev.is_empty();