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element scroll setters

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This commit is contained in:
Zhen Zhang 2016-04-14 15:19:12 +08:00
parent fefdaf76de
commit 11b12f677b
8 changed files with 364 additions and 41 deletions
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23
components/script/dom/window.rs
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@ -912,11 +912,13 @@ impl Window {
//TODO Step 11
//let document = self.Document();
// Step 12
self.perform_a_scroll(x.to_f32().unwrap_or(0.0f32), y.to_f32().unwrap_or(0.0f32), behavior, None);
self.perform_a_scroll(x.to_f32().unwrap_or(0.0f32), y.to_f32().unwrap_or(0.0f32),
LayerId::null(), behavior, None);
}
/// https://drafts.csswg.org/cssom-view/#perform-a-scroll
pub fn perform_a_scroll(&self, x: f32, y: f32, behavior: ScrollBehavior, element: Option<&Element>) {
pub fn perform_a_scroll(&self, x: f32, y: f32, layer_id: LayerId,
behavior: ScrollBehavior, element: Option<&Element>) {
//TODO Step 1
let point = Point2D::new(x, y);
let smooth = match behavior {
@ -935,7 +937,7 @@ impl Window {
self.current_viewport.set(Rect::new(Point2D::new(Au::from_f32_px(x), Au::from_f32_px(y)), size));
self.compositor.send(ScriptToCompositorMsg::ScrollFragmentPoint(
self.pipeline(), LayerId::null(), point, smooth)).unwrap()
self.pipeline(), layer_id, point, smooth)).unwrap()
}
pub fn client_window(&self) -> (Size2D<u32>, Point2D<i32>) {
@ -1142,6 +1144,21 @@ impl Window {
recv.recv().unwrap_or(Point2D::zero())
}
// https://drafts.csswg.org/cssom-view/#dom-element-scroll
pub fn scroll_node(&self, node: TrustedNodeAddress,
x_: f64, y_: f64, behavior: ScrollBehavior) {
self.reflow(ReflowGoal::ForScriptQuery,
ReflowQueryType::NodeLayerIdQuery(node),
ReflowReason::Query);
let layer_id = self.layout_rpc.node_layer_id().layer_id;
// Step 12
self.perform_a_scroll(x_.to_f32().unwrap_or(0.0f32), y_.to_f32().unwrap_or(0.0f32),
layer_id, behavior, None);
}
pub fn resolved_style_query(&self,
element: TrustedNodeAddress,
pseudo: Option<PseudoElement>,