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layout: Take into account the client point for fixed positioned stacking contexts.

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This commit is contained in:
Emilio Cobos Álvarez 2016-08-08 12:00:14 -07:00
parent c420a870c1
commit 28d7c2dca8
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GPG key ID: 056B727BB9C1027C
7 changed files with 79 additions and 45 deletions
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29
components/script/dom/document.rs
View file

@ -672,9 +672,7 @@ impl Document {
};
debug!("{}: at {:?}", mouse_event_type_string, client_point);
let page_point = Point2D::new(client_point.x + self.window.PageXOffset() as f32,
client_point.y + self.window.PageYOffset() as f32);
let node = match self.window.hit_test_query(page_point, false) {
let node = match self.window.hit_test_query(client_point, false) {
Some(node_address) => {
debug!("node address is {:?}", node_address);
node::from_untrusted_node_address(js_runtime, node_address)
@ -786,9 +784,7 @@ impl Document {
return;
}
let page_point = Point2D::new(client_point.x + self.window.PageXOffset() as f32,
client_point.y + self.window.PageYOffset() as f32);
let node = match self.window.hit_test_query(page_point, false) {
let node = match self.window.hit_test_query(client_point, false) {
Some(node_address) => node::from_untrusted_node_address(js_runtime, node_address),
None => return
};
@ -864,22 +860,17 @@ impl Document {
js_runtime: *mut JSRuntime,
client_point: Option<Point2D<f32>>,
prev_mouse_over_target: &MutNullableHeap<JS<Element>>) {
let page_point = match client_point {
let client_point = match client_point {
None => {
// If there's no point, there's no target under the mouse
// FIXME: dispatch mouseout here. We have no point.
prev_mouse_over_target.set(None);
return;
}
Some(ref client_point) => {
Point2D::new(client_point.x + self.window.PageXOffset() as f32,
client_point.y + self.window.PageYOffset() as f32)
}
Some(client_point) => client_point,
};
let client_point = client_point.unwrap();
let maybe_new_target = self.window.hit_test_query(page_point, true).and_then(|address| {
let maybe_new_target = self.window.hit_test_query(client_point, true).and_then(|address| {
let node = node::from_untrusted_node_address(js_runtime, address);
node.inclusive_ancestors()
.filter_map(Root::downcast::<Element>)
@ -1593,7 +1584,11 @@ impl Document {
}
pub fn nodes_from_point(&self, page_point: &Point2D<f32>) -> Vec<UntrustedNodeAddress> {
self.window.layout().nodes_from_point(*page_point)
let client_point =
Point2D::new(page_point.x - self.window.PageXOffset() as f32,
page_point.y - self.window.PageYOffset() as f32);
self.window.layout().nodes_from_point(*page_point, client_point)
}
}
@ -2824,10 +2819,10 @@ impl DocumentMethods for Document {
return None;
}
let js_runtime = unsafe { JS_GetRuntime(window.get_cx()) };
match self.window.hit_test_query(*point, false) {
Some(untrusted_node_address) => {
let js_runtime = unsafe { JS_GetRuntime(window.get_cx()) };
let node = node::from_untrusted_node_address(js_runtime, untrusted_node_address);
let parent_node = node.GetParentNode().unwrap();
let element_ref = node.downcast::<Element>().unwrap_or_else(|| {

14
components/script/dom/window.rs
View file

@ -1271,10 +1271,18 @@ impl Window {
self.layout_rpc.node_geometry().client_rect
}
pub fn hit_test_query(&self, hit_test_request: Point2D<f32>, update_cursor: bool)
pub fn hit_test_query(&self,
client_point: Point2D<f32>,
update_cursor: bool)
-> Option<UntrustedNodeAddress> {
let translated_point =
Point2D::new(client_point.x + self.PageXOffset() as f32,
client_point.y + self.PageYOffset() as f32);
if !self.reflow(ReflowGoal::ForScriptQuery,
ReflowQueryType::HitTestQuery(hit_test_request, update_cursor),
ReflowQueryType::HitTestQuery(translated_point,
client_point,
update_cursor),
ReflowReason::Query) {
return None
}
@ -1770,7 +1778,7 @@ fn debug_reflow_events(id: PipelineId, goal: &ReflowGoal, query_type: &ReflowQue
ReflowQueryType::NoQuery => "\tNoQuery",
ReflowQueryType::ContentBoxQuery(_n) => "\tContentBoxQuery",
ReflowQueryType::ContentBoxesQuery(_n) => "\tContentBoxesQuery",
ReflowQueryType::HitTestQuery(_n, _o) => "\tHitTestQuery",
ReflowQueryType::HitTestQuery(..) => "\tHitTestQuery",
ReflowQueryType::NodeGeometryQuery(_n) => "\tNodeGeometryQuery",
ReflowQueryType::NodeLayerIdQuery(_n) => "\tNodeLayerIdQuery",
ReflowQueryType::NodeOverflowQuery(_n) => "\tNodeOverFlowQuery",