diff options
Diffstat (limited to 'components/layout/fragment_tree/positioning_fragment.rs')
| -rw-r--r-- | components/layout/fragment_tree/positioning_fragment.rs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/components/layout/fragment_tree/positioning_fragment.rs b/components/layout/fragment_tree/positioning_fragment.rs index 853caed6709..1fe968eb484 100644 --- a/components/layout/fragment_tree/positioning_fragment.rs +++ b/components/layout/fragment_tree/positioning_fragment.rs @@ -20,12 +20,17 @@ pub(crate) struct PositioningFragment { pub base: BaseFragment, pub rect: PhysicalRect<Au>, pub children: Vec<Fragment>, + /// The scrollable overflow of this anonymous fragment's children. pub scrollable_overflow: PhysicalRect<Au>, /// If this fragment was created with a style, the style of the fragment. #[conditional_malloc_size_of] pub style: Option<ServoArc<ComputedValues>>, + + /// This [`PositioningFragment`]'s containing block rectangle in coordinates relative to + /// the initial containing block, but not taking into account any transforms. + pub cumulative_containing_block_rect: PhysicalRect<Au>, } impl PositioningFragment { @@ -61,9 +66,18 @@ impl PositioningFragment { rect, children, scrollable_overflow, + cumulative_containing_block_rect: PhysicalRect::zero(), }) } + pub(crate) fn set_containing_block(&mut self, containing_block: &PhysicalRect<Au>) { + self.cumulative_containing_block_rect = *containing_block; + } + + pub fn offset_by_containing_block(&self, rect: &PhysicalRect<Au>) -> PhysicalRect<Au> { + rect.translate(self.cumulative_containing_block_rect.origin.to_vector()) + } + pub fn print(&self, tree: &mut PrintTree) { tree.new_level(format!( "PositioningFragment\ |