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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
//! A headless window implementation.
use crate::events_loop::WakerEvent;
use crate::window_trait::WindowPortsMethods;
use euclid::{Point2D, Rotation3D, Scale, Size2D, UnknownUnit, Vector3D};
use servo::compositing::windowing::{AnimationState, EmbedderEvent};
use servo::compositing::windowing::{EmbedderCoordinates, WindowMethods};
use servo::servo_geometry::DeviceIndependentPixel;
use servo::style_traits::DevicePixel;
use servo::webrender_api::units::DeviceIntRect;
use servo::webrender_surfman::WebrenderSurfman;
use servo_media::player::context as MediaPlayerCtxt;
use std::cell::Cell;
use std::rc::Rc;
use surfman::Connection;
use surfman::Context;
use surfman::Device;
use surfman::SurfaceType;
pub struct Window {
webrender_surfman: WebrenderSurfman,
animation_state: Cell<AnimationState>,
fullscreen: Cell<bool>,
device_pixels_per_px: Option<f32>,
}
impl Window {
pub fn new(
size: Size2D<u32, DeviceIndependentPixel>,
device_pixels_per_px: Option<f32>,
) -> Rc<dyn WindowPortsMethods> {
// Initialize surfman
let connection = Connection::new().expect("Failed to create connection");
let adapter = connection
.create_software_adapter()
.expect("Failed to create adapter");
let size = size.to_untyped().to_i32();
let surface_type = SurfaceType::Generic { size };
let webrender_surfman = WebrenderSurfman::create(&connection, &adapter, surface_type)
.expect("Failed to create WR surfman");
let window = Window {
webrender_surfman,
animation_state: Cell::new(AnimationState::Idle),
fullscreen: Cell::new(false),
device_pixels_per_px,
};
Rc::new(window)
}
fn servo_hidpi_factor(&self) -> Scale<f32, DeviceIndependentPixel, DevicePixel> {
match self.device_pixels_per_px {
Some(device_pixels_per_px) => Scale::new(device_pixels_per_px),
_ => Scale::new(1.0),
}
}
}
impl WindowPortsMethods for Window {
fn get_events(&self) -> Vec<EmbedderEvent> {
vec![]
}
fn has_events(&self) -> bool {
false
}
fn id(&self) -> winit::window::WindowId {
unsafe { winit::window::WindowId::dummy() }
}
fn page_height(&self) -> f32 {
let height = self
.webrender_surfman
.context_surface_info()
.unwrap_or(None)
.map(|info| info.size.height)
.unwrap_or(0);
let dpr = self.servo_hidpi_factor();
height as f32 * dpr.get()
}
fn set_fullscreen(&self, state: bool) {
self.fullscreen.set(state);
}
fn get_fullscreen(&self) -> bool {
self.fullscreen.get()
}
fn is_animating(&self) -> bool {
self.animation_state.get() == AnimationState::Animating
}
fn queue_embedder_events_for_winit_event(&self, _event: winit::event::WindowEvent<'_>) {
// Not expecting any winit events.
}
fn new_glwindow(
&self,
_events_loop: &winit::event_loop::EventLoopWindowTarget<WakerEvent>
) -> Box<dyn webxr::glwindow::GlWindow> {
unimplemented!()
}
fn winit_window(&self) -> Option<&winit::window::Window> {
None
}
fn set_toolbar_height(&self, _height: f32) {
unimplemented!("headless Window only")
}
}
impl WindowMethods for Window {
fn get_coordinates(&self) -> EmbedderCoordinates {
let dpr = self.servo_hidpi_factor();
let size = self
.webrender_surfman
.context_surface_info()
.unwrap_or(None)
.map(|info| Size2D::from_untyped(info.size))
.unwrap_or(Size2D::new(0, 0));
let viewport = DeviceIntRect::new(Point2D::zero(), size);
EmbedderCoordinates {
viewport,
framebuffer: size,
window: (size, Point2D::zero()),
screen: size,
screen_avail: size,
hidpi_factor: dpr,
}
}
fn set_animation_state(&self, state: AnimationState) {
self.animation_state.set(state);
}
fn get_gl_context(&self) -> MediaPlayerCtxt::GlContext {
MediaPlayerCtxt::GlContext::Unknown
}
fn get_native_display(&self) -> MediaPlayerCtxt::NativeDisplay {
MediaPlayerCtxt::NativeDisplay::Unknown
}
fn get_gl_api(&self) -> MediaPlayerCtxt::GlApi {
MediaPlayerCtxt::GlApi::None
}
fn webrender_surfman(&self) -> WebrenderSurfman {
self.webrender_surfman.clone()
}
}
impl webxr::glwindow::GlWindow for Window {
fn get_render_target(
&self,
_device: &mut Device,
_context: &mut Context,
) -> webxr::glwindow::GlWindowRenderTarget {
unimplemented!()
}
fn get_rotation(&self) -> Rotation3D<f32, UnknownUnit, UnknownUnit> {
Rotation3D::identity()
}
fn get_translation(&self) -> Vector3D<f32, UnknownUnit> {
Vector3D::zero()
}
}
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