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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 http://mozilla.org/MPL/2.0/. */
use dom::bindings::codegen::Bindings::GamepadButtonListBinding;
use dom::bindings::codegen::Bindings::GamepadButtonListBinding::GamepadButtonListMethods;
use dom::bindings::js::{JS, Root, RootedReference};
use dom::bindings::reflector::{Reflector, reflect_dom_object};
use dom::gamepadbutton::GamepadButton;
use dom::globalscope::GlobalScope;
use dom_struct::dom_struct;
use webvr_traits::WebVRGamepadButton;
// https://w3c.github.io/gamepad/#gamepadbutton-interface
#[dom_struct]
pub struct GamepadButtonList {
reflector_: Reflector,
list: Vec<JS<GamepadButton>>
}
impl GamepadButtonList {
#[allow(unrooted_must_root)]
fn new_inherited(list: &[&GamepadButton]) -> GamepadButtonList {
GamepadButtonList {
reflector_: Reflector::new(),
list: list.iter().map(|button| JS::from_ref(*button)).collect(),
}
}
pub fn new_from_vr(global: &GlobalScope, buttons: &[WebVRGamepadButton]) -> Root<GamepadButtonList> {
rooted_vec!(let list <- buttons.iter()
.map(|btn| GamepadButton::new(&global, btn.pressed, btn.touched)));
reflect_dom_object(box GamepadButtonList::new_inherited(list.r()),
global,
GamepadButtonListBinding::Wrap)
}
pub fn sync_from_vr(&self, vr_buttons: &[WebVRGamepadButton]) {
let mut index = 0;
for btn in vr_buttons {
self.list.get(index).as_ref().unwrap().update(btn.pressed, btn.touched);
index += 1;
}
}
}
impl GamepadButtonListMethods for GamepadButtonList {
// https://w3c.github.io/gamepad/#dom-gamepad-buttons
fn Length(&self) -> u32 {
self.list.len() as u32
}
// https://w3c.github.io/gamepad/#dom-gamepad-buttons
fn Item(&self, index: u32) -> Option<Root<GamepadButton>> {
self.list.get(index as usize).map(|button| Root::from_ref(&**button))
}
// https://w3c.github.io/gamepad/#dom-gamepad-buttons
fn IndexedGetter(&self, index: u32) -> Option<Root<GamepadButton>> {
self.Item(index)
}
}
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