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Remove sources of panic when laying out an iframe without a nested browsing context.

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This commit is contained in:
Alan Jeffrey 2017-09-14 15:53:12 -05:00
parent 6a791cd7f2
commit fbfb9a80b4
6 changed files with 58 additions and 30 deletions
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13
components/layout/display_list_builder.rs
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@ -2022,6 +2022,15 @@ impl FragmentDisplayListBuilding for Fragment {
}
SpecificFragmentInfo::Iframe(ref fragment_info) => {
if !stacking_relative_content_box.is_empty() {
let browsing_context_id = match fragment_info.browsing_context_id {
Some(browsing_context_id) => browsing_context_id,
None => return warn!("No browsing context id for iframe."),
};
let pipeline_id = match fragment_info.pipeline_id {
Some(pipeline_id) => pipeline_id,
None => return warn!("No pipeline id for iframe {}.", browsing_context_id),
};
let base = state.create_base_display_item(
&stacking_relative_content_box,
build_local_clip(&self.style),
@ -2030,12 +2039,12 @@ impl FragmentDisplayListBuilding for Fragment {
DisplayListSection::Content);
let item = DisplayItem::Iframe(box IframeDisplayItem {
base: base,
iframe: fragment_info.pipeline_id,
iframe: pipeline_id,
});
let size = Size2D::new(item.bounds().size.width.to_f32_px(),
item.bounds().size.height.to_f32_px());
state.iframe_sizes.push((fragment_info.browsing_context_id,
state.iframe_sizes.push((browsing_context_id,
TypedSize2D::from_untyped(&size)));
state.add_display_item(item);