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Convert from client to page coords in script

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Matt Brubeck 2015-11-20 16:32:41 -08:00 • committed by Paul Rouget
parent a61989e82b
commit 7b799497d1
1 changed files with 35 additions and 30 deletions
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65
components/script/dom/document.rs
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@ -492,9 +492,9 @@ impl Document {
})
}
pub fn hit_test(&self, point: &Point2D<f32>) -> Option<UntrustedNodeAddress> {
pub fn hit_test(&self, page_point: &Point2D<f32>) -> Option<UntrustedNodeAddress> {
assert!(self.GetDocumentElement().is_some());
match self.window.layout().hit_test(*point) {
match self.window.layout().hit_test(*page_point) {
Ok(HitTestResponse(node_address)) => Some(node_address),
Err(()) => {
debug!("layout query error");
@ -503,9 +503,9 @@ impl Document {
}
}
pub fn get_nodes_under_mouse(&self, point: &Point2D<f32>) -> Vec<UntrustedNodeAddress> {
pub fn get_nodes_under_mouse(&self, page_point: &Point2D<f32>) -> Vec<UntrustedNodeAddress> {
assert!(self.GetDocumentElement().is_some());
match self.window.layout().mouse_over(*point) {
match self.window.layout().mouse_over(*page_point) {
Ok(MouseOverResponse(node_address)) => node_address,
Err(()) => vec![],
}
@ -604,15 +604,18 @@ impl Document {
pub fn handle_mouse_event(&self,
js_runtime: *mut JSRuntime,
_button: MouseButton,
point: Point2D<f32>,
client_point: Point2D<f32>,
mouse_event_type: MouseEventType) {
let mouse_event_type_string = match mouse_event_type {
MouseEventType::Click => "click".to_owned(),
MouseEventType::MouseUp => "mouseup".to_owned(),
MouseEventType::MouseDown => "mousedown".to_owned(),
};
debug!("{}: at {:?}", mouse_event_type_string, point);
let node = match self.hit_test(&point) {
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.hit_test(&page_point) {
Some(node_address) => {
debug!("node address is {:?}", node_address);
node::from_untrusted_node_address(js_runtime, node_address)
@ -643,8 +646,8 @@ impl Document {
}
// https://dvcs.w3.org/hg/dom3events/raw-file/tip/html/DOM3-Events.html#event-type-click
let x = point.x as i32;
let y = point.y as i32;
let client_x = client_point.x as i32;
let client_y = client_point.y as i32;
let clickCount = 1;
let event = MouseEvent::new(&self.window,
DOMString::from(mouse_event_type_string),
@ -652,10 +655,10 @@ impl Document {
EventCancelable::Cancelable,
Some(&self.window),
clickCount,
x,
y,
x,
y, // TODO: Get real screen coordinates?
client_x,
client_y,
client_x,
client_y, // TODO: Get real screen coordinates?
false,
false,
false,
@ -683,9 +686,9 @@ impl Document {
ReflowReason::MouseEvent);
}
pub fn fire_mouse_event(&self, point: Point2D<f32>, target: &EventTarget, event_name: String) {
let x = point.x.to_i32().unwrap_or(0);
let y = point.y.to_i32().unwrap_or(0);
pub fn fire_mouse_event(&self, client_point: Point2D<f32>, target: &EventTarget, event_name: String) {
let client_x = client_point.x.to_i32().unwrap_or(0);
let client_y = client_point.y.to_i32().unwrap_or(0);
let mouse_event = MouseEvent::new(&self.window,
DOMString::from(event_name),
@ -693,10 +696,10 @@ impl Document {
EventCancelable::Cancelable,
Some(&self.window),
0i32,
x,
y,
x,
y,
client_x,
client_y,
client_x,
client_y,
false,
false,
false,
@ -709,12 +712,14 @@ impl Document {
pub fn handle_mouse_move_event(&self,
js_runtime: *mut JSRuntime,
point: Option<Point2D<f32>>,
client_point: Option<Point2D<f32>>,
prev_mouse_over_targets: &mut RootedVec<JS<Element>>) {
// Build a list of elements that are currently under the mouse.
let mouse_over_addresses = point.as_ref()
.map(|point| self.get_nodes_under_mouse(point))
.unwrap_or(vec![]);
let mouse_over_addresses = client_point.as_ref().map(|client_point| {
let page_point = Point2D::new(client_point.x + self.window.PageXOffset() as f32,
client_point.y + self.window.PageYOffset() as f32);
self.get_nodes_under_mouse(&page_point)
}).unwrap_or(vec![]);
let mut mouse_over_targets = mouse_over_addresses.iter().map(|node_address| {
node::from_untrusted_node_address(js_runtime, *node_address)
.inclusive_ancestors()
@ -735,8 +740,8 @@ impl Document {
// FIXME: we should be dispatching this event but we lack an actual
// point to pass to it.
if let Some(point) = point {
self.fire_mouse_event(point, &target, "mouseout".to_owned());
if let Some(client_point) = client_point {
self.fire_mouse_event(client_point, &target, "mouseout".to_owned());
}
}
}
@ -751,8 +756,8 @@ impl Document {
let target = target.upcast();
if let Some(point) = point {
self.fire_mouse_event(point, target, "mouseover".to_owned());
if let Some(client_point) = client_point {
self.fire_mouse_event(client_point, target, "mouseover".to_owned());
}
}
}
@ -763,8 +768,8 @@ impl Document {
mouse_over_addresses[0]);
let target = top_most_node.upcast();
if let Some(point) = point {
self.fire_mouse_event(point, target, "mousemove".to_owned());
if let Some(client_point) = client_point {
self.fire_mouse_event(client_point, target, "mousemove".to_owned());
}
}