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Implement non-visible pipeline and iframe visibility methods

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This commit is contained in:
jmr0 2016-03-09 01:24:46 -05:00
parent ce88b8ed30
commit 2bff131535
14 changed files with 382 additions and 24 deletions
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47
components/constellation/constellation.rs
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@ -407,6 +407,12 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
load_data: LoadData) {
if self.shutting_down { return; }
let parent_visibility = if let Some((parent_pipeline_id, _, _)) = parent_info {
self.pipelines.get(&parent_pipeline_id).map(|pipeline| pipeline.visible)
} else {
None
};
let result = Pipeline::spawn::<Message, LTF, STF>(InitialPipelineState {
id: pipeline_id,
parent_info: parent_info,
@ -427,6 +433,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
load_data: load_data,
device_pixel_ratio: self.window_size.device_pixel_ratio,
pipeline_namespace_id: self.next_pipeline_namespace_id(),
parent_visibility: parent_visibility,
webrender_api_sender: self.webrender_api_sender.clone(),
});
@ -710,6 +717,14 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
}
}
}
FromScriptMsg::SetVisible(pipeline_id, visible) => {
debug!("constellation got set visible messsage");
self.handle_set_visible_msg(pipeline_id, visible);
}
FromScriptMsg::VisibilityChangeComplete(pipeline_id, visible) => {
debug!("constellation got set visibility change complete message");
self.handle_visibility_change_complete(pipeline_id, visible);
}
FromScriptMsg::RemoveIFrame(pipeline_id, sender) => {
debug!("constellation got remove iframe message");
self.handle_remove_iframe_msg(pipeline_id);
@ -943,7 +958,8 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
let window_size = self.window_size.visible_viewport;
let root_pipeline_id = PipelineId::new();
debug_assert!(PipelineId::fake_root_pipeline_id() == root_pipeline_id);
self.new_pipeline(root_pipeline_id, None, Some(window_size), None, LoadData::new(url.clone(), None, None));
self.new_pipeline(root_pipeline_id, None, Some(window_size), None,
LoadData::new(url.clone(), None, None));
self.handle_load_start_msg(&root_pipeline_id);
self.push_pending_frame(root_pipeline_id, None);
self.compositor_proxy.send(ToCompositorMsg::ChangePageUrl(root_pipeline_id, url));
@ -1482,6 +1498,35 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
}
}
fn handle_set_visible_msg(&mut self, pipeline_id: PipelineId, visible: bool) {
let frame_id = self.pipeline_to_frame_map.get(&pipeline_id).map(|frame_id| *frame_id);
let child_pipeline_ids: Vec<PipelineId> = self.current_frame_tree_iter(frame_id)
.map(|frame| frame.current)
.collect();
for id in child_pipeline_ids {
if let Some(pipeline) = self.pipelines.get_mut(&id) {
pipeline.change_visibility(visible);
}
}
}
fn handle_visibility_change_complete(&mut self, pipeline_id: PipelineId, visibility: bool) {
let parent_pipeline_info = self.pipelines.get(&pipeline_id).and_then(|source| source.parent_info);
if let Some((parent_pipeline_id, _, _)) = parent_pipeline_info {
let visibility_msg = ConstellationControlMsg::NotifyVisibilityChange(parent_pipeline_id,
pipeline_id,
visibility);
let result = match self.pipelines.get(&parent_pipeline_id) {
None => return warn!("Parent pipeline {:?} closed", parent_pipeline_id),
Some(parent_pipeline) => parent_pipeline.script_chan.send(visibility_msg),
};
if let Err(e) = result {
self.handle_send_error(parent_pipeline_id, e);
}
}
}
fn handle_create_canvas_paint_thread_msg(
&mut self,
size: &Size2D<i32>,