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Implement offsetParent/Top/Left/Width/Height.

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This commit is contained in:
Glenn Watson 2015-07-27 15:20:27 +10:00
parent 1809748dc1
commit 9e5687e3e7
21 changed files with 325 additions and 24 deletions
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17
components/script/layout_interface.rs
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@ -104,6 +104,7 @@ pub trait LayoutRPC {
fn mouse_over(&self, node: TrustedNodeAddress, point: Point2D<f32>) -> Result<MouseOverResponse, ()>;
/// Query layout for the resolved value of a given CSS property
fn resolved_style(&self) -> ResolvedStyleResponse;
fn offset_parent(&self) -> OffsetParentResponse;
}
@ -116,6 +117,21 @@ pub struct HitTestResponse(pub UntrustedNodeAddress);
pub struct MouseOverResponse(pub Vec<UntrustedNodeAddress>);
pub struct ResolvedStyleResponse(pub Option<String>);
#[derive(Clone)]
pub struct OffsetParentResponse {
pub node_address: Option<UntrustedNodeAddress>,
pub rect: Rect<Au>,
}
impl OffsetParentResponse {
pub fn empty() -> OffsetParentResponse {
OffsetParentResponse {
node_address: None,
rect: Rect::zero(),
}
}
}
/// Why we're doing reflow.
#[derive(PartialEq, Copy, Clone, Debug)]
pub enum ReflowGoal {
@ -133,6 +149,7 @@ pub enum ReflowQueryType {
ContentBoxesQuery(TrustedNodeAddress),
NodeGeometryQuery(TrustedNodeAddress),
ResolvedStyleQuery(TrustedNodeAddress, Option<PseudoElement>, Atom),
OffsetParentQuery(TrustedNodeAddress),
}
/// Information needed for a reflow.