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Implement ScrollTop and ScrollLeft getters:

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Add new compositor message to get scroll_offset;
Add new layout query for computed value of overflow-x/y;
Implement layer_id method for ThreadSafeLayoutNode;
Add new layout query for layer_id;
Implement script interface for getting scrollTop and scrollLeft, as well as relavant helper functions.
This commit is contained in:
Zhen Zhang 2016-04-03 15:41:37 +08:00
parent f73c6143d5
commit fefdaf76de
12 changed files with 243 additions and 9 deletions
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2
components/script_traits/lib.rs
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@ -376,6 +376,8 @@ pub enum ScriptToCompositorMsg {
ResizeTo(Size2D<u32>),
/// Script has handled a touch event, and either prevented or allowed default actions.
TouchEventProcessed(EventResult),
/// Get Scroll Offset
GetScrollOffset(PipelineId, LayerId, IpcSender<Point2D<f32>>),
/// Requests that the compositor shut down.
Exit,
/// Allow the compositor to free script-specific resources.