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Introduce a LayoutNodeLayoutData trait for methods to stay in layout.

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This commit is contained in:
Ms2ger 2016-06-15 01:17:35 +01:00
parent 310cb5a326
commit c910ef2072
2 changed files with 5 additions and 1 deletions
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4
components/layout/wrapper.rs
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@ -83,7 +83,9 @@ pub trait LayoutNode: TNode {
fn init_style_and_layout_data(&self, data: OpaqueStyleAndLayoutData);
fn get_style_and_layout_data(&self) -> Option<OpaqueStyleAndLayoutData>;
}
pub trait LayoutNodeLayoutData {
/// Similar to borrow_data*, but returns the full PrivateLayoutData rather
/// than only the PrivateStyleData.
unsafe fn borrow_layout_data_unchecked(&self) -> Option<*const PrivateLayoutData>;
@ -320,7 +322,9 @@ impl<'ln> LayoutNode for ServoLayoutNode<'ln> {
self.get_jsmanaged().get_style_and_layout_data()
}
}
}
impl<T: LayoutNode> LayoutNodeLayoutData for T {
unsafe fn borrow_layout_data_unchecked(&self) -> Option<*const PrivateLayoutData> {
self.get_style_and_layout_data().map(|opaque| {
let container = *opaque.ptr as NonOpaqueStyleAndLayoutData;