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Remove constellation round trip for subpage mapping in compositor.

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This makes use of the new functionality that allows iframes to generate their own pipeline IDs in order to remove any knowledge of subpage ids from the compositor.

(This is the first of several commits removing subpage from parts of servo).
This commit is contained in:
Glenn Watson 2015-10-07 11:18:42 +10:00
parent 5eb1c04e78
commit da881947e5
11 changed files with 47 additions and 139 deletions
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29
components/compositing/constellation.rs
View file

@ -408,9 +408,9 @@ impl<LTF: LayoutTaskFactory, STF: ScriptTaskFactory> Constellation<LTF, STF> {
}
// The compositor discovered the size of a subframe. This needs to be reflected by all
// frame trees in the navigation context containing the subframe.
ConstellationMsg::FrameSize(pipeline_id, subpage_id, size) => {
ConstellationMsg::FrameSize(pipeline_id, size) => {
debug!("constellation got frame size message");
self.handle_frame_size_msg(pipeline_id, subpage_id, &Size2D::from_untyped(&size));
self.handle_frame_size_msg(pipeline_id, &Size2D::from_untyped(&size));
}
ConstellationMsg::ScriptLoadedURLInIFrame(load_info) => {
debug!("constellation got iframe URL load message {:?} {:?} {:?}",
@ -541,12 +541,6 @@ impl<LTF: LayoutTaskFactory, STF: ScriptTaskFactory> Constellation<LTF, STF> {
debug!("constellation got NodeStatus message");
self.compositor_proxy.send(CompositorMsg::Status(message));
}
ConstellationMsg::PrepareForSubpageLayerCreation(pipeline_id, subpage_id) => {
self.compositor_proxy.send(CompositorMsg::CreateLayerForSubpage(
pipeline_id,
subpage_id,
self.subpage_map.get(&(pipeline_id, subpage_id)).map(|x| *x)))
}
}
true
}
@ -617,23 +611,20 @@ impl<LTF: LayoutTaskFactory, STF: ScriptTaskFactory> Constellation<LTF, STF> {
}
fn handle_frame_size_msg(&mut self,
containing_pipeline_id: PipelineId,
subpage_id: SubpageId,
pipeline_id: PipelineId,
size: &TypedSize2D<PagePx, f32>) {
// Store the new rect inside the pipeline
let (pipeline_id, script_chan) = {
let script_chan = {
// Find the pipeline that corresponds to this rectangle. It's possible that this
// pipeline may have already exited before we process this message, so just
// early exit if that occurs.
let pipeline_id = self.subpage_map
.get(&(containing_pipeline_id, subpage_id))
.map(|id| *id);
let pipeline = match pipeline_id {
Some(pipeline_id) => self.mut_pipeline(pipeline_id),
match self.pipelines.get_mut(&pipeline_id) {
Some(pipeline) => {
pipeline.size = Some(*size);
pipeline.script_chan.clone()
}
None => return,
};
pipeline.size = Some(*size);
(pipeline.id, pipeline.script_chan.clone())
}
};
script_chan.send(ConstellationControlMsg::Resize(pipeline_id, WindowSizeData {