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Implement MouseEvent buttons attribute

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This commit is contained in:
George Roman 2019-04-22 16:53:17 +03:00
parent 425686984d
commit be3cb00c77
10 changed files with 111 additions and 36 deletions
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2
components/script/dom/activation.rs
View file

@ -12,6 +12,7 @@ use crate::dom::mouseevent::MouseEvent;
use crate::dom::node::window_from_node;
use crate::dom::window::ReflowReason;
use script_layout_interface::message::ReflowGoal;
use script_traits::MouseButton;
/// Trait for elements with defined activation behavior
pub trait Activatable {
@ -96,6 +97,7 @@ pub fn synthetic_click_activation(
alt_key,
meta_key,
0,
MouseButton::Left as u16,
None,
None,
);

36
components/script/dom/document.rs
View file

@ -926,6 +926,7 @@ impl Document {
mouse_event_type: MouseEventType,
node_address: Option<UntrustedNodeAddress>,
point_in_node: Option<Point2D<f32>>,
pressed_mouse_buttons: u16,
) {
let mouse_event_type_string = match mouse_event_type {
MouseEventType::Click => "click".to_owned(),
@ -976,6 +977,7 @@ impl Document {
false,
false,
0i16,
pressed_mouse_buttons,
None,
point_in_node,
);
@ -1007,14 +1009,19 @@ impl Document {
if let MouseEventType::Click = mouse_event_type {
self.commit_focus_transaction(FocusType::Element);
self.maybe_fire_dblclick(client_point, node);
self.maybe_fire_dblclick(client_point, node, pressed_mouse_buttons);
}
self.window
.reflow(ReflowGoal::Full, ReflowReason::MouseEvent);
}
fn maybe_fire_dblclick(&self, click_pos: Point2D<f32>, target: &Node) {
fn maybe_fire_dblclick(
&self,
click_pos: Point2D<f32>,
target: &Node,
pressed_mouse_buttons: u16,
) {
// https://w3c.github.io/uievents/#event-type-dblclick
let now = Instant::now();
@ -1053,6 +1060,7 @@ impl Document {
false,
false,
0i16,
pressed_mouse_buttons,
None,
None,
);
@ -1073,6 +1081,7 @@ impl Document {
client_point: Point2D<f32>,
target: &EventTarget,
event_name: FireMouseEventType,
pressed_mouse_buttons: u16,
) {
let client_x = client_point.x.to_i32().unwrap_or(0);
let client_y = client_point.y.to_i32().unwrap_or(0);
@ -1093,6 +1102,7 @@ impl Document {
false,
false,
0i16,
pressed_mouse_buttons,
None,
None,
);
@ -1107,6 +1117,7 @@ impl Document {
client_point: Option<Point2D<f32>>,
prev_mouse_over_target: &MutNullableDom<Element>,
node_address: Option<UntrustedNodeAddress>,
pressed_mouse_buttons: u16,
) {
let client_point = match client_point {
None => {
@ -1132,7 +1143,12 @@ impl Document {
None => return,
};
self.fire_mouse_event(client_point, new_target.upcast(), FireMouseEventType::Move);
self.fire_mouse_event(
client_point,
new_target.upcast(),
FireMouseEventType::Move,
pressed_mouse_buttons,
);
// Nothing more to do here, mousemove is sent,
// and the element under the mouse hasn't changed.
@ -1165,7 +1181,12 @@ impl Document {
}
// Remove hover state to old target and its parents
self.fire_mouse_event(client_point, old_target.upcast(), FireMouseEventType::Out);
self.fire_mouse_event(
client_point,
old_target.upcast(),
FireMouseEventType::Out,
pressed_mouse_buttons,
);
// TODO: Fire mouseleave here only if the old target is
// not an ancestor of the new target.
@ -1184,7 +1205,12 @@ impl Document {
element.set_hover_state(true);
}
self.fire_mouse_event(client_point, &new_target.upcast(), FireMouseEventType::Over);
self.fire_mouse_event(
client_point,
&new_target.upcast(),
FireMouseEventType::Over,
pressed_mouse_buttons,
);
// TODO: Fire mouseenter here.
}

10
components/script/dom/mouseevent.rs
View file

@ -32,6 +32,7 @@ pub struct MouseEvent {
alt_key: Cell<bool>,
meta_key: Cell<bool>,
button: Cell<i16>,
buttons: Cell<u16>,
related_target: MutNullableDom<EventTarget>,
point_in_target: Cell<Option<Point2D<f32>>>,
}
@ -49,6 +50,7 @@ impl MouseEvent {
alt_key: Cell::new(false),
meta_key: Cell::new(false),
button: Cell::new(0),
buttons: Cell::new(0),
related_target: Default::default(),
point_in_target: Cell::new(None),
}
@ -78,6 +80,7 @@ impl MouseEvent {
shift_key: bool,
meta_key: bool,
button: i16,
buttons: u16,
related_target: Option<&EventTarget>,
point_in_target: Option<Point2D<f32>>,
) -> DomRoot<MouseEvent> {
@ -99,6 +102,7 @@ impl MouseEvent {
button,
related_target,
);
ev.buttons.set(buttons);
ev.point_in_target.set(point_in_target);
ev
}
@ -126,6 +130,7 @@ impl MouseEvent {
init.parent.shiftKey,
init.parent.metaKey,
init.button,
0,
init.relatedTarget.deref(),
None,
);
@ -183,6 +188,11 @@ impl MouseEventMethods for MouseEvent {
self.button.get()
}
// https://w3c.github.io/uievents/#dom-mouseevent-buttons
fn Buttons(&self) -> u16 {
self.buttons.get()
}
// https://w3c.github.io/uievents/#widl-MouseEvent-relatedTarget
fn GetRelatedTarget(&self) -> Option<DomRoot<EventTarget>> {
self.related_target.get()

4
components/script/dom/webidls/MouseEvent.webidl
View file

@ -17,7 +17,7 @@ interface MouseEvent : UIEvent {
readonly attribute short button;
readonly attribute EventTarget? relatedTarget;
// Introduced in DOM Level 3
//readonly attribute unsigned short buttons;
readonly attribute unsigned short buttons;
//boolean getModifierState (DOMString keyArg);
[Pref="dom.mouseevent.which.enabled"]
@ -31,7 +31,7 @@ dictionary MouseEventInit : EventModifierInit {
long clientX = 0;
long clientY = 0;
short button = 0;
//unsigned short buttons = 0;
unsigned short buttons = 0;
EventTarget? relatedTarget = null;
};

15
components/script/script_thread.rs
View file

@ -3060,7 +3060,14 @@ impl ScriptThread {
self.handle_resize_event(pipeline_id, new_size, size_type);
},
MouseButtonEvent(event_type, button, point, node_address, point_in_node) => {
MouseButtonEvent(
event_type,
button,
point,
node_address,
point_in_node,
pressed_mouse_buttons,
) => {
self.handle_mouse_event(
pipeline_id,
event_type,
@ -3068,10 +3075,11 @@ impl ScriptThread {
point,
node_address,
point_in_node,
pressed_mouse_buttons,
);
},
MouseMoveEvent(point, node_address) => {
MouseMoveEvent(point, node_address, pressed_mouse_buttons) => {
let document = match { self.documents.borrow().find_document(pipeline_id) } {
Some(document) => document,
None => return warn!("Message sent to closed pipeline {}.", pipeline_id),
@ -3086,6 +3094,7 @@ impl ScriptThread {
point,
&self.topmost_mouse_over_target,
node_address,
pressed_mouse_buttons,
);
// Short-circuit if nothing changed
@ -3185,6 +3194,7 @@ impl ScriptThread {
point: Point2D<f32>,
node_address: Option<UntrustedNodeAddress>,
point_in_node: Option<Point2D<f32>>,
pressed_mouse_buttons: u16,
) {
let document = match { self.documents.borrow().find_document(pipeline_id) } {
Some(document) => document,
@ -3197,6 +3207,7 @@ impl ScriptThread {
mouse_event_type,
node_address,
point_in_node,
pressed_mouse_buttons,
);
}