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Enable screen.availHeight/availWidth/Height/Width

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This commit is contained in:
Shing Lyu 2017-09-27 10:32:51 +02:00
parent 657b2339a1
commit c120234f0e
16 changed files with 138 additions and 84 deletions
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48
components/script/dom/screen.rs
View file

@ -4,31 +4,73 @@
use dom::bindings::codegen::Bindings::ScreenBinding;
use dom::bindings::codegen::Bindings::ScreenBinding::ScreenMethods;
use dom::bindings::inheritance::Castable;
use dom::bindings::num::Finite;
use dom::bindings::reflector::{Reflector, reflect_dom_object};
use dom::bindings::root::DomRoot;
use dom::bindings::root::{Dom, DomRoot};
use dom::globalscope::GlobalScope;
use dom::window::Window;
use dom_struct::dom_struct;
use euclid::Size2D;
use ipc_channel::ipc;
use script_traits::ScriptMsg;
#[dom_struct]
pub struct Screen {
reflector_: Reflector,
window: Dom<Window>,
}
impl Screen {
fn new_inherited() -> Screen {
fn new_inherited(window: &Window) -> Screen {
Screen {
reflector_: Reflector::new(),
window: Dom::from_ref(&window),
}
}
pub fn new(window: &Window) -> DomRoot<Screen> {
reflect_dom_object(Box::new(Screen::new_inherited()),
reflect_dom_object(Box::new(Screen::new_inherited(window)),
window,
ScreenBinding::Wrap)
}
fn screen_size(&self) -> Size2D<u32> {
let (send, recv) = ipc::channel::<(Size2D<u32>)>().unwrap();
self.window.upcast::<GlobalScope>()
.script_to_constellation_chan().send(ScriptMsg::GetScreenSize(send)).unwrap();
recv.recv().unwrap_or((Size2D::zero()))
}
fn screen_avail_size(&self) -> Size2D<u32> {
let (send, recv) = ipc::channel::<(Size2D<u32>)>().unwrap();
self.window.upcast::<GlobalScope>()
.script_to_constellation_chan().send(ScriptMsg::GetScreenAvailSize(send)).unwrap();
recv.recv().unwrap_or((Size2D::zero()))
}
}
impl ScreenMethods for Screen {
// https://drafts.csswg.org/cssom-view/#dom-screen-availwidth
fn AvailWidth(&self) -> Finite<f64> {
Finite::wrap(self.screen_avail_size().width as f64)
}
// https://drafts.csswg.org/cssom-view/#dom-screen-availheight
fn AvailHeight(&self) -> Finite<f64> {
Finite::wrap(self.screen_avail_size().height as f64)
}
// https://drafts.csswg.org/cssom-view/#dom-screen-width
fn Width(&self) -> Finite<f64> {
Finite::wrap(self.screen_size().width as f64)
}
// https://drafts.csswg.org/cssom-view/#dom-screen-height
fn Height(&self) -> Finite<f64> {
Finite::wrap(self.screen_size().height as f64)
}
// https://drafts.csswg.org/cssom-view/#dom-screen-colordepth
fn ColorDepth(&self) -> u32 {
24

8
components/script/dom/webidls/Screen.webidl
View file

@ -5,10 +5,10 @@
// http://dev.w3.org/csswg/cssom-view/#the-screen-interface
[Exposed=Window]
interface Screen {
//readonly attribute double availWidth;
//readonly attribute double availHeight;
//readonly attribute double width;
//readonly attribute double height;
readonly attribute double availWidth;
readonly attribute double availHeight;
readonly attribute double width;
readonly attribute double height;
readonly attribute unsigned long colorDepth;
readonly attribute unsigned long pixelDepth;
};