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Auto merge of #18696 - emilio:ua-sheets-reflow, r=jdm

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layout_thread: Avoid adding the UA sheets multiple times when there's no root flow.

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This commit is contained in:
bors-servo 2017-10-03 12:46:53 -05:00 • committed by GitHub
commit 3dc4614991
3 changed files with 43 additions and 17 deletions
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34
components/layout_thread/lib.rs
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@ -1318,6 +1318,7 @@ impl LayoutThread {
&mut layout_context);
}
self.first_reflow.set(false);
self.respond_to_query_if_necessary(&data.reflow_goal,
&mut *rw_data,
&mut layout_context,
@ -1596,6 +1597,7 @@ impl LayoutThread {
});
self.perform_post_main_layout_passes(data,
root_flow,
reflow_goal,
document,
rw_data,
@ -1604,30 +1606,28 @@ impl LayoutThread {
fn perform_post_main_layout_passes(&self,
data: &Reflow,
mut root_flow: &mut FlowRef,
reflow_goal: &ReflowGoal,
document: Option<&ServoLayoutDocument>,
rw_data: &mut LayoutThreadData,
layout_context: &mut LayoutContext) {
// Build the display list if necessary, and send it to the painter.
if let Some(mut root_flow) = self.root_flow.borrow().clone() {
self.compute_abs_pos_and_build_display_list(data,
reflow_goal,
document,
FlowRef::deref_mut(&mut root_flow),
&mut *layout_context,
rw_data);
self.first_reflow.set(false);
self.compute_abs_pos_and_build_display_list(data,
reflow_goal,
document,
FlowRef::deref_mut(&mut root_flow),
&mut *layout_context,
rw_data);
if opts::get().trace_layout {
layout_debug::end_trace(self.generation.get());
}
if opts::get().dump_flow_tree {
root_flow.print("Post layout flow tree".to_owned());
}
self.generation.set(self.generation.get() + 1);
if opts::get().trace_layout {
layout_debug::end_trace(self.generation.get());
}
if opts::get().dump_flow_tree {
root_flow.print("Post layout flow tree".to_owned());
}
self.generation.set(self.generation.get() + 1);
}
fn reflow_all_nodes(flow: &mut Flow) {