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Add layout RPC query for getting an element's style

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This enables us to implement Element::has_css_layout_box() in a more
direct way, and also enables us to remove some of the existing more
specific queries.

Fixes #19811.
This commit is contained in:
Jon Leighton 2018-01-27 21:30:24 +01:00
parent c9ba16f9fb
commit fe583fc5d0
10 changed files with 88 additions and 136 deletions
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11
components/script_layout_interface/message.rs
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@ -113,13 +113,12 @@ pub enum ReflowGoal {
TickAnimations,
ContentBoxQuery(TrustedNodeAddress),
ContentBoxesQuery(TrustedNodeAddress),
NodeOverflowQuery(TrustedNodeAddress),
NodeScrollRootIdQuery(TrustedNodeAddress),
NodeGeometryQuery(TrustedNodeAddress),
NodeScrollGeometryQuery(TrustedNodeAddress),
ResolvedStyleQuery(TrustedNodeAddress, Option<PseudoElement>, PropertyId),
OffsetParentQuery(TrustedNodeAddress),
MarginStyleQuery(TrustedNodeAddress),
StyleQuery(TrustedNodeAddress),
TextIndexQuery(TrustedNodeAddress, Point2D<f32>),
NodesFromPointQuery(Point2D<f32>, NodesFromPointQueryType),
}
@ -133,9 +132,9 @@ impl ReflowGoal {
ReflowGoal::TickAnimations | ReflowGoal::Full => true,
ReflowGoal::ContentBoxQuery(_) | ReflowGoal::ContentBoxesQuery(_) |
ReflowGoal::NodeGeometryQuery(_) | ReflowGoal::NodeScrollGeometryQuery(_) |
ReflowGoal::NodeOverflowQuery(_) | ReflowGoal::NodeScrollRootIdQuery(_) |
ReflowGoal::NodeScrollRootIdQuery(_) |
ReflowGoal::ResolvedStyleQuery(..) | ReflowGoal::OffsetParentQuery(_) |
ReflowGoal::MarginStyleQuery(_) => false,
ReflowGoal::StyleQuery(_) => false,
}
}
@ -143,10 +142,10 @@ impl ReflowGoal {
/// false if a layout_thread display list is sufficient.
pub fn needs_display(&self) -> bool {
match *self {
ReflowGoal::MarginStyleQuery(_) | ReflowGoal::TextIndexQuery(..) |
ReflowGoal::StyleQuery(_) | ReflowGoal::TextIndexQuery(..) |
ReflowGoal::ContentBoxQuery(_) | ReflowGoal::ContentBoxesQuery(_) |
ReflowGoal::NodeGeometryQuery(_) | ReflowGoal::NodeScrollGeometryQuery(_) |
ReflowGoal::NodeOverflowQuery(_) | ReflowGoal::NodeScrollRootIdQuery(_) |
ReflowGoal::NodeScrollRootIdQuery(_) |
ReflowGoal::ResolvedStyleQuery(..) |
ReflowGoal::OffsetParentQuery(_) => false,
ReflowGoal::NodesFromPointQuery(..) | ReflowGoal::Full |