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Replace script thread root browsing context by a collection of documents.

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This commit is contained in:
Alan Jeffrey 2016-10-07 15:52:49 -05:00
parent dae007fd16
commit 90e9c910f4
8 changed files with 494 additions and 668 deletions
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6
components/constellation/constellation.rs
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@ -1623,12 +1623,12 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
pipeline_id: PipelineId,
event: MozBrowserEvent) {
assert!(PREFS.is_mozbrowser_enabled());
let frame_id = self.pipelines.get(&pipeline_id).map(|pipeline| pipeline.frame_id);
// Find the script channel for the given parent pipeline,
// and pass the event to that script thread.
// If the pipeline lookup fails, it is because we have torn down the pipeline,
// so it is reasonable to silently ignore the event.
let frame_id = self.pipelines.get(&pipeline_id).map(|pipeline| pipeline.frame_id);
match self.pipelines.get(&parent_pipeline_id) {
Some(pipeline) => pipeline.trigger_mozbrowser_event(frame_id, event),
None => warn!("Pipeline {:?} handling mozbrowser event after closure.", parent_pipeline_id),
@ -2206,6 +2206,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
// Close a frame (and all children)
fn close_frame(&mut self, frame_id: FrameId, exit_mode: ExitPipelineMode) {
debug!("Closing frame {:?}.", frame_id);
// Store information about the pipelines to be closed. Then close the
// pipelines, before removing ourself from the frames hash map. This
// ordering is vital - so that if close_pipeline() ends up closing
@ -2241,10 +2242,12 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
};
parent_pipeline.remove_child(frame_id);
}
debug!("Closed frame {:?}.", frame_id);
}
// Close all pipelines at and beneath a given frame
fn close_pipeline(&mut self, pipeline_id: PipelineId, exit_mode: ExitPipelineMode) {
debug!("Closing pipeline {:?}.", pipeline_id);
// Store information about the frames to be closed. Then close the
// frames, before removing ourself from the pipelines hash map. This
// ordering is vital - so that if close_frames() ends up closing
@ -2284,6 +2287,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
ExitPipelineMode::Normal => pipeline.exit(),
ExitPipelineMode::Force => pipeline.force_exit(),
}
debug!("Closed pipeline {:?}.", pipeline_id);
}
// Randomly close a pipeline -if --random-pipeline-closure-probability is set