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add support for mouseover and mouseout events

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This commit is contained in:
Yoav Alon 2015-06-19 10:48:33 +03:00 • committed by Yoav Alon
parent 836463b9e0
commit 3a44e143bc
1 changed files with 41 additions and 18 deletions
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59
components/script/dom/document.rs
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@ -259,6 +259,9 @@ pub trait DocumentHelpers<'a> {
fn get_body_attribute(self, local_name: &Atom) -> DOMString;
fn set_body_attribute(self, local_name: &Atom, value: DOMString);
fn fire_mouse_event(self, point: Point2D<f32>,
target: &EventTarget,
event_name: String);
fn handle_mouse_event(self, js_runtime: *mut JSRuntime,
button: MouseButton, point: Point2D<f32>,
mouse_event_type: MouseEventType);
@ -670,6 +673,29 @@ impl<'a> DocumentHelpers<'a> for &'a Document {
window.r().reflow(ReflowGoal::ForDisplay, ReflowQueryType::NoQuery, ReflowReason::MouseEvent);
}
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);
let window = self.window.root();
let mouse_event = MouseEvent::new(window.r(),
event_name,
EventBubbles::Bubbles,
EventCancelable::Cancelable,
Some(window.r()),
0i32,
x, y, x, y,
false, false, false, false,
0i16,
None);
let event = EventCast::from_ref(mouse_event.r());
event.fire(target);
}
fn handle_mouse_move_event(self,
js_runtime: *mut JSRuntime,
point: Point2D<f32>,
@ -688,7 +714,15 @@ impl<'a> DocumentHelpers<'a> for &'a Document {
// under the mouse.
for target in prev_mouse_over_targets.iter() {
if !mouse_over_targets.contains(target) {
target.root().r().set_hover_state(false);
let target = target.root();
let target_ref = target.r();
if target_ref.get_hover_state() {
target_ref.set_hover_state(false);
let target = EventTargetCast::from_ref(target_ref);
self.fire_mouse_event(point, &target, "mouseout".to_owned());
}
}
}
@ -700,6 +734,11 @@ impl<'a> DocumentHelpers<'a> for &'a Document {
let target_ref = target.r();
if !target_ref.get_hover_state() {
target_ref.set_hover_state(true);
let target = EventTargetCast::from_ref(target_ref);
self.fire_mouse_event(point, &target, "mouseover".to_owned());
}
}
@ -708,24 +747,8 @@ impl<'a> DocumentHelpers<'a> for &'a Document {
let top_most_node =
node::from_untrusted_node_address(js_runtime, mouse_over_addresses[0]);
let x = point.x.to_i32().unwrap_or(0);
let y = point.y.to_i32().unwrap_or(0);
let window = self.window.root();
let mouse_event = MouseEvent::new(window.r(),
"mousemove".to_owned(),
EventBubbles::Bubbles,
EventCancelable::Cancelable,
Some(window.r()),
0i32,
x, y, x, y,
false, false, false, false,
0i16,
None);
let event = EventCast::from_ref(mouse_event.r());
let target = EventTargetCast::from_ref(top_most_node.r());
event.fire(target);
self.fire_mouse_event(point, target, "mousemove".to_owned());
}
// Store the current mouse over targets for next frame