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https://github.com/servo/servo.git
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Handle multi-touch events from glutin
This commit is contained in:
Matt Brubeck
parent
5c11c88e92
commit
ef93650db9
7 changed files with 227 additions and 102 deletions
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@ -13,6 +13,7 @@ use dom::bindings::codegen::Bindings::EventTargetBinding::EventTargetMethods;
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use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
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use dom::bindings::codegen::Bindings::NodeFilterBinding::NodeFilter;
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use dom::bindings::codegen::Bindings::PerformanceBinding::PerformanceMethods;
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use dom::bindings::codegen::Bindings::TouchBinding::TouchMethods;
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use dom::bindings::codegen::Bindings::WindowBinding::WindowMethods;
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use dom::bindings::codegen::InheritTypes::{ElementTypeId, HTMLElementTypeId, NodeTypeId};
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use dom::bindings::codegen::UnionTypes::NodeOrString;
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@ -84,7 +85,7 @@ use net_traits::CookieSource::NonHTTP;
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use net_traits::{AsyncResponseTarget, PendingAsyncLoad};
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use num::ToPrimitive;
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use script_task::{MainThreadScriptMsg, Runnable};
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use script_traits::{MouseButton, UntrustedNodeAddress};
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use script_traits::{MouseButton, TouchEventType, TouchId, UntrustedNodeAddress};
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use selectors::states::*;
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use std::ascii::AsciiExt;
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use std::borrow::ToOwned;
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@ -175,8 +176,10 @@ pub struct Document {
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/// This field is set to the document itself for inert documents.
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/// https://html.spec.whatwg.org/multipage/#appropriate-template-contents-owner-document
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appropriate_template_contents_owner_document: MutNullableHeap<JS<Document>>,
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// The collection of ElementStates that have been changed since the last restyle.
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/// The collection of ElementStates that have been changed since the last restyle.
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element_state_changes: DOMRefCell<HashMap<JS<Element>, ElementState>>,
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/// http://w3c.github.io/touch-events/#dfn-active-touch-point
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active_touch_points: DOMRefCell<Vec<JS<Touch>>>,
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}
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impl PartialEq for Document {
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@ -728,9 +731,17 @@ impl Document {
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pub fn handle_touch_event(&self,
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js_runtime: *mut JSRuntime,
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identifier: i32,
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point: Point2D<f32>,
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event_name: String) -> bool {
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event_type: TouchEventType,
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TouchId(identifier): TouchId,
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point: Point2D<f32>)
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-> bool {
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let event_name = match event_type {
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TouchEventType::Down => "touchstart",
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TouchEventType::Move => "touchmove",
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TouchEventType::Up => "touchend",
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TouchEventType::Cancel => "touchcancel",
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};
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let node = match self.hit_test(&point) {
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Some(node_address) => node::from_untrusted_node_address(js_runtime, node_address),
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None => return false
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@ -745,7 +756,7 @@ impl Document {
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}
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},
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};
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let target = el.upcast::<EventTarget>();
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let target = Root::upcast::<EventTarget>(el);
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let window = &*self.window;
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let client_x = Finite::wrap(point.x as f64);
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@ -753,26 +764,58 @@ impl Document {
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let page_x = Finite::wrap(point.x as f64 + window.PageXOffset() as f64);
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let page_y = Finite::wrap(point.y as f64 + window.PageYOffset() as f64);
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let touch = Touch::new(window, identifier, target,
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let touch = Touch::new(window, identifier, target.r(),
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client_x, client_y, // TODO: Get real screen coordinates?
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client_x, client_y,
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page_x, page_y);
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match event_type {
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TouchEventType::Down => {
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// Add a new touch point
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self.active_touch_points.borrow_mut().push(JS::from_rooted(&touch));
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}
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TouchEventType::Move => {
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// Replace an existing touch point
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let mut active_touch_points = self.active_touch_points.borrow_mut();
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match active_touch_points.iter_mut().find(|t| t.Identifier() == identifier) {
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Some(t) => *t = JS::from_rooted(&touch),
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None => warn!("Got a touchmove event for a non-active touch point")
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}
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}
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TouchEventType::Up |
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TouchEventType::Cancel => {
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// Remove an existing touch point
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let mut active_touch_points = self.active_touch_points.borrow_mut();
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match active_touch_points.iter().position(|t| t.Identifier() == identifier) {
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Some(i) => { active_touch_points.swap_remove(i); }
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None => warn!("Got a touchend event for a non-active touch point")
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}
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}
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}
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let mut touches = RootedVec::new();
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touches.push(JS::from_rooted(&touch));
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let touches = TouchList::new(window, touches.r());
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touches.extend(self.active_touch_points.borrow().iter().cloned());
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let mut changed_touches = RootedVec::new();
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changed_touches.push(JS::from_rooted(&touch));
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let mut target_touches = RootedVec::new();
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target_touches.extend(self.active_touch_points.borrow().iter().filter(
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|t| t.Target() == target).cloned());
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let event = TouchEvent::new(window,
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event_name,
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event_name.to_owned(),
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EventBubbles::Bubbles,
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EventCancelable::Cancelable,
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Some(window),
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0i32,
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&touches, &touches, &touches,
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&TouchList::new(window, touches.r()),
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&TouchList::new(window, changed_touches.r()),
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&TouchList::new(window, target_touches.r()),
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// FIXME: modifier keys
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false, false, false, false);
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let event = event.upcast::<Event>();
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let result = event.fire(target);
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let result = event.fire(target.r());
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window.reflow(ReflowGoal::ForDisplay,
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ReflowQueryType::NoQuery,
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@ -1269,6 +1312,7 @@ impl Document {
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base_element: Default::default(),
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appropriate_template_contents_owner_document: Default::default(),
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element_state_changes: DOMRefCell::new(HashMap::new()),
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active_touch_points: DOMRefCell::new(Vec::new()),
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}
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}
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@ -78,12 +78,12 @@ use profile_traits::mem::{self, OpaqueSender, Report, ReportKind, ReportsChan};
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use profile_traits::time::{self, ProfilerCategory, profile};
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use script_traits::CompositorEvent::{ClickEvent, ResizeEvent};
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use script_traits::CompositorEvent::{KeyEvent, MouseMoveEvent};
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use script_traits::CompositorEvent::{MouseDownEvent, MouseUpEvent};
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use script_traits::CompositorEvent::{TouchDownEvent, TouchMoveEvent, TouchUpEvent};
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use script_traits::CompositorEvent::{MouseDownEvent, MouseUpEvent, TouchEvent};
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use script_traits::{CompositorEvent, ConstellationControlMsg};
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use script_traits::{InitialScriptState, MouseButton, NewLayoutInfo};
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use script_traits::{OpaqueScriptLayoutChannel, ScriptState, ScriptTaskFactory};
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use script_traits::{TimerEvent, TimerEventChan, TimerEventRequest, TimerSource};
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use script_traits::{TouchEventType, TouchId};
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use std::any::Any;
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use std::borrow::ToOwned;
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use std::cell::{Cell, RefCell};
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@ -1764,27 +1764,27 @@ impl ScriptTask {
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std_mem::swap(&mut *self.mouse_over_targets.borrow_mut(), &mut *mouse_over_targets);
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}
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TouchDownEvent(identifier, point) => {
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let default_action_allowed =
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self.handle_touch_event(pipeline_id, identifier, point, "touchstart");
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if default_action_allowed {
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// TODO: Wait to see if preventDefault is called on the first touchmove event.
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self.compositor.borrow_mut().send(ScriptToCompositorMsg::TouchEventProcessed(
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EventResult::DefaultAllowed)).unwrap();
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} else {
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self.compositor.borrow_mut().send(ScriptToCompositorMsg::TouchEventProcessed(
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EventResult::DefaultPrevented)).unwrap();
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TouchEvent(event_type, identifier, point) => {
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let handled = self.handle_touch_event(pipeline_id, event_type, identifier, point);
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match event_type {
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TouchEventType::Down => {
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if handled {
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// TODO: Wait to see if preventDefault is called on the first touchmove event.
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self.compositor.borrow_mut()
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.send(ScriptToCompositorMsg::TouchEventProcessed(
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EventResult::DefaultAllowed)).unwrap();
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} else {
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self.compositor.borrow_mut()
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.send(ScriptToCompositorMsg::TouchEventProcessed(
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EventResult::DefaultPrevented)).unwrap();
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}
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}
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_ => {
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// TODO: Calling preventDefault on a touchup event should prevent clicks.
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}
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}
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}
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TouchMoveEvent(identifier, point) => {
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self.handle_touch_event(pipeline_id, identifier, point, "touchmove");
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}
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TouchUpEvent(identifier, point) => {
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self.handle_touch_event(pipeline_id, identifier, point, "touchend");
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}
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KeyEvent(key, state, modifiers) => {
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let page = get_page(&self.root_page(), pipeline_id);
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let document = page.document();
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@ -1806,13 +1806,13 @@ impl ScriptTask {
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fn handle_touch_event(&self,
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pipeline_id: PipelineId,
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identifier: i32,
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point: Point2D<f32>,
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event_name: &str) -> bool {
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event_type: TouchEventType,
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identifier: TouchId,
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point: Point2D<f32>)
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-> bool {
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let page = get_page(&self.root_page(), pipeline_id);
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let document = page.document();
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document.r().handle_touch_event(self.js_runtime.rt(), identifier, point,
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event_name.to_owned())
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document.r().handle_touch_event(self.js_runtime.rt(), event_type, identifier, point)
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}
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/// https://html.spec.whatwg.org/multipage/#navigating-across-documents
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