Implement support for overscrolling on the Mac.

Requires tomaka/glutin#734, servo/webrender_traits#14, and
servo/webrender#217.
This commit is contained in:
Patrick Walton 2016-03-02 09:29:49 -08:00
parent 059edc3287
commit 8eb2cda438
8 changed files with 152 additions and 49 deletions

View file

@ -53,7 +53,7 @@ use util::geometry::{PagePx, ScreenPx, ViewportPx};
use util::opts;
use util::print_tree::PrintTree;
use webrender;
use webrender_traits;
use webrender_traits::{self, ScrollEventPhase};
use windowing::{self, MouseWindowEvent, WindowEvent, WindowMethods, WindowNavigateMsg};
#[derive(Debug, PartialEq)]
@ -196,6 +196,9 @@ pub struct IOCompositor<Window: WindowMethods> {
/// The id of the pipeline that was last sent a mouse move event, if any.
last_mouse_move_recipient: Option<PipelineId>,
/// Whether a scroll is in progress; i.e. whether the user's fingers are down.
scroll_in_progress: bool,
/// The webrender renderer, if enabled.
webrender: Option<webrender::Renderer>,
@ -203,6 +206,7 @@ pub struct IOCompositor<Window: WindowMethods> {
webrender_api: Option<webrender_traits::RenderApi>,
}
#[derive(Copy, Clone)]
pub struct ScrollZoomEvent {
/// Change the pinch zoom level by this factor
magnification: f32,
@ -210,6 +214,8 @@ pub struct ScrollZoomEvent {
delta: TypedPoint2D<DevicePixel, f32>,
/// Apply changes to the frame at this location
cursor: TypedPoint2D<DevicePixel, i32>,
/// The scroll event phase.
phase: ScrollEventPhase,
}
#[derive(PartialEq, Debug)]
@ -427,6 +433,7 @@ impl<Window: WindowMethods> IOCompositor<Window> {
surface_map: SurfaceMap::new(BUFFER_MAP_SIZE),
pending_subpages: HashSet::new(),
last_mouse_move_recipient: None,
scroll_in_progress: false,
webrender: state.webrender,
webrender_api: webrender_api,
}
@ -1184,8 +1191,16 @@ impl<Window: WindowMethods> IOCompositor<Window> {
}
}
WindowEvent::Scroll(delta, cursor) => {
self.on_scroll_window_event(delta, cursor);
WindowEvent::Scroll(delta, cursor, phase) => {
match phase {
TouchEventType::Move => self.on_scroll_window_event(delta, cursor),
TouchEventType::Up | TouchEventType::Cancel => {
self.on_scroll_end_window_event(delta, cursor);
}
TouchEventType::Down => {
self.on_scroll_start_window_event(delta, cursor);
}
}
}
WindowEvent::Zoom(magnification) => {
@ -1368,6 +1383,7 @@ impl<Window: WindowMethods> IOCompositor<Window> {
magnification: magnification,
delta: scroll_delta,
cursor: cursor,
phase: ScrollEventPhase::Move(true),
});
self.composite_if_necessary(CompositingReason::Zoom);
}
@ -1421,8 +1437,34 @@ impl<Window: WindowMethods> IOCompositor<Window> {
magnification: 1.0,
delta: delta,
cursor: cursor,
phase: ScrollEventPhase::Move(self.scroll_in_progress),
});
self.composite_if_necessary(CompositingReason::Scroll);
}
fn on_scroll_start_window_event(&mut self,
delta: TypedPoint2D<DevicePixel, f32>,
cursor: TypedPoint2D<DevicePixel, i32>) {
self.scroll_in_progress = true;
self.pending_scroll_zoom_events.push(ScrollZoomEvent {
magnification: 1.0,
delta: delta,
cursor: cursor,
phase: ScrollEventPhase::Start,
});
self.composite_if_necessary(CompositingReason::Scroll);
}
fn on_scroll_end_window_event(&mut self,
delta: TypedPoint2D<DevicePixel, f32>,
cursor: TypedPoint2D<DevicePixel, i32>) {
self.scroll_in_progress = false;
self.pending_scroll_zoom_events.push(ScrollZoomEvent {
magnification: 1.0,
delta: delta,
cursor: cursor,
phase: ScrollEventPhase::End,
});
self.composite_if_necessary(CompositingReason::Scroll);
}
@ -1432,19 +1474,41 @@ impl<Window: WindowMethods> IOCompositor<Window> {
match self.webrender_api {
Some(ref webrender_api) => {
// Batch up all scroll events into one, or else we'll do way too much painting.
let mut total_delta = None;
let mut last_cursor = Point2D::zero();
let mut last_combined_event: Option<ScrollZoomEvent> = None;
for scroll_event in self.pending_scroll_zoom_events.drain(..) {
let this_delta = scroll_event.delta / self.scene.scale;
last_cursor = scroll_event.cursor.as_f32() / self.scene.scale;
match total_delta {
None => total_delta = Some(this_delta),
Some(ref mut total_delta) => *total_delta = *total_delta + this_delta,
let this_delta = scroll_event.delta;
let this_cursor = scroll_event.cursor;
if let Some(combined_event) = last_combined_event {
if combined_event.phase != scroll_event.phase {
webrender_api.scroll(
(combined_event.delta / self.scene.scale).to_untyped(),
(combined_event.cursor.as_f32() / self.scene.scale).to_untyped(),
combined_event.phase);
last_combined_event = None
}
}
match last_combined_event {
None => {
last_combined_event = Some(ScrollZoomEvent {
magnification: scroll_event.magnification,
delta: this_delta,
cursor: this_cursor,
phase: scroll_event.phase,
})
}
Some(ref mut last_combined_event) => {
last_combined_event.delta = last_combined_event.delta + this_delta;
}
}
}
// TODO(gw): Support zoom (WR issue #28).
if let Some(total_delta) = total_delta {
webrender_api.scroll(total_delta.to_untyped(), last_cursor.to_untyped());
if let Some(combined_event) = last_combined_event {
webrender_api.scroll(
(combined_event.delta / self.scene.scale).to_untyped(),
(combined_event.cursor.as_f32() / self.scene.scale).to_untyped(),
combined_event.phase);
}
}
None => {
@ -1617,6 +1681,7 @@ impl<Window: WindowMethods> IOCompositor<Window> {
magnification: magnification,
delta: Point2D::typed(0.0, 0.0), // TODO: Scroll to keep the center in view?
cursor: Point2D::typed(-1, -1), // Make sure this hits the base layer.
phase: ScrollEventPhase::Move(true),
});
self.composite_if_necessary(CompositingReason::Zoom);
}
@ -2016,6 +2081,7 @@ impl<Window: WindowMethods> IOCompositor<Window> {
self.composition_request = CompositionRequest::NoCompositingNecessary;
self.process_pending_scroll_events();
self.process_animations();
self.start_scrolling_bounce_if_necessary();
Ok(rv)
}
@ -2221,6 +2287,21 @@ impl<Window: WindowMethods> IOCompositor<Window> {
print_tree.add_item(layer_string);
}
}
fn start_scrolling_bounce_if_necessary(&mut self) {
if self.scroll_in_progress {
return
}
match self.webrender {
Some(ref webrender) if webrender.layers_are_bouncing_back() => {}
_ => return,
}
if let Some(ref webrender_api) = self.webrender_api {
webrender_api.tick_scrolling_bounce_animations()
}
}
}
fn find_layer_with_pipeline_and_layer_id_for_layer(layer: Rc<Layer<CompositorData>>,

View file

@ -63,7 +63,7 @@ pub enum WindowEvent {
Touch(TouchEventType, TouchId, TypedPoint2D<DevicePixel, f32>),
/// Sent when the user scrolls. The first point is the delta and the second point is the
/// origin.
Scroll(TypedPoint2D<DevicePixel, f32>, TypedPoint2D<DevicePixel, i32>),
Scroll(TypedPoint2D<DevicePixel, f32>, TypedPoint2D<DevicePixel, i32>, TouchEventType),
/// Sent when the user zooms.
Zoom(f32),
/// Simulated "pinch zoom" gesture for non-touch platforms (e.g. ctrl-scrollwheel).

View file

@ -788,7 +788,7 @@ dependencies = [
"net_traits 0.0.1",
"script_traits 0.0.1",
"servo-egl 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
"servo-glutin 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
"servo-glutin 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
"style_traits 0.0.1",
"url 0.5.7 (registry+https://github.com/rust-lang/crates.io-index)",
"util 0.0.1",
@ -1854,7 +1854,7 @@ dependencies = [
[[package]]
name = "servo-glutin"
version = "0.4.9"
version = "0.4.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"android_glue 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
@ -1896,7 +1896,7 @@ dependencies = [
"servo-egl 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
"servo-fontconfig 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
"servo-freetype-sys 2.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
"servo-glutin 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
"servo-glutin 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
"x11 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
@ -2292,7 +2292,7 @@ dependencies = [
[[package]]
name = "webrender"
version = "0.1.0"
source = "git+https://github.com/servo/webrender#38031eed57b2df8a57e4cff576e2b5b6f2cd8316"
source = "git+https://github.com/servo/webrender#9309d52279a73ea15f955424899fed9b9ab70c95"
dependencies = [
"app_units 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
"core-graphics 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@ -2313,7 +2313,7 @@ dependencies = [
[[package]]
name = "webrender_traits"
version = "0.1.0"
source = "git+https://github.com/servo/webrender_traits#94f16f55e65d735a9c1dc38733937cb2774322e1"
source = "git+https://github.com/servo/webrender_traits#a4d2e91915512c3d6b08d0d391221bb240d972d5"
dependencies = [
"app_units 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
"core-graphics 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",

10
ports/cef/Cargo.lock generated
View file

@ -708,7 +708,7 @@ dependencies = [
"net_traits 0.0.1",
"script_traits 0.0.1",
"servo-egl 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
"servo-glutin 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
"servo-glutin 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
"style_traits 0.0.1",
"url 0.5.7 (registry+https://github.com/rust-lang/crates.io-index)",
"util 0.0.1",
@ -1758,7 +1758,7 @@ dependencies = [
[[package]]
name = "servo-glutin"
version = "0.4.9"
version = "0.4.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"android_glue 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
@ -1800,7 +1800,7 @@ dependencies = [
"servo-egl 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
"servo-fontconfig 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
"servo-freetype-sys 2.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
"servo-glutin 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
"servo-glutin 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
"x11 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
@ -2168,7 +2168,7 @@ dependencies = [
[[package]]
name = "webrender"
version = "0.1.0"
source = "git+https://github.com/servo/webrender#38031eed57b2df8a57e4cff576e2b5b6f2cd8316"
source = "git+https://github.com/servo/webrender#9309d52279a73ea15f955424899fed9b9ab70c95"
dependencies = [
"app_units 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
"core-graphics 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@ -2189,7 +2189,7 @@ dependencies = [
[[package]]
name = "webrender_traits"
version = "0.1.0"
source = "git+https://github.com/servo/webrender_traits#94f16f55e65d735a9c1dc38733937cb2774322e1"
source = "git+https://github.com/servo/webrender_traits#a4d2e91915512c3d6b08d0d391221bb240d972d5"
dependencies = [
"app_units 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
"core-graphics 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",

View file

@ -15,7 +15,7 @@ use euclid::point::Point2D;
use euclid::size::Size2D;
use libc::{c_double, c_int};
use msg::constellation_msg::{self, KeyModifiers, KeyState};
use script_traits::MouseButton;
use script_traits::{MouseButton, TouchEventType};
use std::cell::{Cell, RefCell};
pub struct ServoCefBrowserHost {
@ -469,7 +469,9 @@ full_cef_class_impl! {
let delta_y: c_int = delta_y;
let delta = Point2D::typed(delta_x as f32, delta_y as f32);
let origin = Point2D::typed((*event).x as i32, (*event).y as i32);
this.downcast().send_window_event(WindowEvent::Scroll(delta, origin))
this.downcast().send_window_event(WindowEvent::Scroll(delta,
origin,
TouchEventType::Move))
}}
fn get_zoom_level(&this,) -> c_double {{

View file

@ -16,6 +16,7 @@ use gleam::gl;
use glutin;
#[cfg(feature = "window")]
use glutin::{Api, ElementState, Event, GlRequest, MouseButton, VirtualKeyCode, MouseScrollDelta};
use glutin::{TouchPhase};
use layers::geometry::DevicePixel;
use layers::platform::surface::NativeDisplay;
#[cfg(feature = "window")]
@ -23,6 +24,8 @@ use msg::constellation_msg::{KeyState, NONE, CONTROL, SHIFT, ALT, SUPER};
use msg::constellation_msg::{self, Key};
use net_traits::net_error_list::NetError;
#[cfg(feature = "window")]
use script_traits::TouchEventType;
#[cfg(feature = "window")]
use std::cell::{Cell, RefCell};
use std::os::raw::c_void;
#[cfg(all(feature = "headless", target_os = "linux"))]
@ -226,23 +229,18 @@ impl Window {
self.event_queue.borrow_mut().push(
WindowEvent::MouseWindowMoveEventClass(Point2D::typed(x as f32, y as f32)));
}
Event::MouseWheel(delta) => {
Event::MouseWheel(delta, phase) => {
let (dx, dy) = match delta {
MouseScrollDelta::LineDelta(dx, dy) => (dx, dy * LINE_HEIGHT),
MouseScrollDelta::PixelDelta(dx, dy) => (dx, dy),
};
self.scroll_window(dx, dy);
let phase = glutin_phase_to_touch_event_type(phase);
self.scroll_window(dx, dy, phase);
},
Event::Touch(touch) => {
use glutin::TouchPhase;
use script_traits::{TouchEventType, TouchId};
use script_traits::TouchId;
let phase = match touch.phase {
TouchPhase::Started => TouchEventType::Down,
TouchPhase::Moved => TouchEventType::Move,
TouchPhase::Ended => TouchEventType::Up,
TouchPhase::Cancelled => TouchEventType::Cancel,
};
let phase = glutin_phase_to_touch_event_type(touch.phase);
let id = TouchId(touch.id as i32);
let point = Point2D::typed(touch.location.0 as f32, touch.location.1 as f32);
self.event_queue.borrow_mut().push(WindowEvent::Touch(phase, id, point));
@ -266,10 +264,11 @@ impl Window {
}
/// Helper function to send a scroll event.
fn scroll_window(&self, dx: f32, dy: f32) {
fn scroll_window(&self, dx: f32, dy: f32, phase: TouchEventType) {
let mouse_pos = self.mouse_pos.get();
let event = WindowEvent::Scroll(Point2D::typed(dx as f32, dy as f32),
Point2D::typed(mouse_pos.x as i32, mouse_pos.y as i32));
Point2D::typed(mouse_pos.x as i32, mouse_pos.y as i32),
phase);
self.event_queue.borrow_mut().push(event);
}
@ -736,23 +735,33 @@ impl WindowMethods for Window {
(NONE, Key::PageDown) |
(NONE, Key::Space) => {
self.scroll_window(0.0, -self.framebuffer_size().as_f32().to_untyped().height + 2.0 * LINE_HEIGHT);
self.scroll_window(0.0,
-self.framebuffer_size()
.as_f32()
.to_untyped()
.height + 2.0 * LINE_HEIGHT,
TouchEventType::Move);
}
(NONE, Key::PageUp) |
(SHIFT, Key::Space) => {
self.scroll_window(0.0, self.framebuffer_size().as_f32().to_untyped().height - 2.0 * LINE_HEIGHT);
self.scroll_window(0.0,
self.framebuffer_size()
.as_f32()
.to_untyped()
.height - 2.0 * LINE_HEIGHT,
TouchEventType::Move);
}
(NONE, Key::Up) => {
self.scroll_window(0.0, 3.0 * LINE_HEIGHT);
self.scroll_window(0.0, 3.0 * LINE_HEIGHT, TouchEventType::Move);
}
(NONE, Key::Down) => {
self.scroll_window(0.0, -3.0 * LINE_HEIGHT);
self.scroll_window(0.0, -3.0 * LINE_HEIGHT, TouchEventType::Move);
}
(NONE, Key::Left) => {
self.scroll_window(LINE_HEIGHT, 0.0);
self.scroll_window(LINE_HEIGHT, 0.0, TouchEventType::Move);
}
(NONE, Key::Right) => {
self.scroll_window(-LINE_HEIGHT, 0.0);
self.scroll_window(-LINE_HEIGHT, 0.0, TouchEventType::Move);
}
_ => {
@ -923,6 +932,16 @@ impl CompositorProxy for GlutinCompositorProxy {
}
}
#[cfg(feature = "window")]
fn glutin_phase_to_touch_event_type(phase: TouchPhase) -> TouchEventType {
match phase {
TouchPhase::Started => TouchEventType::Down,
TouchPhase::Moved => TouchEventType::Move,
TouchPhase::Ended => TouchEventType::Up,
TouchPhase::Cancelled => TouchEventType::Cancel,
}
}
// These functions aren't actually called. They are here as a link
// hack because Skia references them.

8
ports/gonk/Cargo.lock generated
View file

@ -1738,7 +1738,7 @@ dependencies = [
[[package]]
name = "servo-glutin"
version = "0.4.9"
version = "0.4.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"android_glue 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
@ -1780,7 +1780,7 @@ dependencies = [
"servo-egl 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
"servo-fontconfig 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
"servo-freetype-sys 2.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
"servo-glutin 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
"servo-glutin 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
"x11 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
@ -2117,7 +2117,7 @@ dependencies = [
[[package]]
name = "webrender"
version = "0.1.0"
source = "git+https://github.com/servo/webrender#38031eed57b2df8a57e4cff576e2b5b6f2cd8316"
source = "git+https://github.com/servo/webrender#9309d52279a73ea15f955424899fed9b9ab70c95"
dependencies = [
"app_units 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
"core-graphics 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@ -2138,7 +2138,7 @@ dependencies = [
[[package]]
name = "webrender_traits"
version = "0.1.0"
source = "git+https://github.com/servo/webrender_traits#94f16f55e65d735a9c1dc38733937cb2774322e1"
source = "git+https://github.com/servo/webrender_traits#a4d2e91915512c3d6b08d0d391221bb240d972d5"
dependencies = [
"app_units 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
"core-graphics 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",

View file

@ -6,7 +6,7 @@ use compositing::windowing::{WindowEvent, MouseWindowEvent};
use errno::errno;
use euclid::point::Point2D;
use libc::{c_int, c_long, time_t};
use script_traits::MouseButton;
use script_traits::{MouseButton, TouchEventType};
use std::fs::File;
use std::io::Read;
use std::mem::{size_of, transmute, zeroed};
@ -185,7 +185,8 @@ fn read_input_device(device_path: &Path,
println!("Touch move x: {}, y: {}", slotA.x, slotA.y);
sender.send(
WindowEvent::Scroll(Point2D::typed((slotA.x - last_x) as f32, (slotA.y - last_y) as f32),
Point2D::typed(slotA.x, slotA.y))).ok().unwrap();
Point2D::typed(slotA.x, slotA.y),
TouchEventType::Move)).ok().unwrap();
last_x = slotA.x;
last_y = slotA.y;
if touch_count >= 2 {