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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::baseaudiocontext::BaseAudioContext;
use dom::bindings::codegen::Bindings::AudioContextBinding;
use dom::bindings::codegen::Bindings::AudioContextBinding::AudioContextMethods;
use dom::bindings::codegen::Bindings::AudioContextBinding::{AudioContextOptions, AudioTimestamp};
use dom::bindings::error::Fallible;
use dom::bindings::inheritance::Castable;
use dom::bindings::num::Finite;
use dom::bindings::reflector::{DomObject, reflect_dom_object};
use dom::bindings::root::DomRoot;
use dom::globalscope::GlobalScope;
use dom::promise::Promise;
use dom::window::Window;
use dom_struct::dom_struct;
use std::rc::Rc;
#[dom_struct]
pub struct AudioContext {
context: BaseAudioContext,
base_latency: f64,
output_latency: f64,
}
impl AudioContext {
fn new_inherited(global: &GlobalScope, sample_rate: f32) -> AudioContext {
AudioContext {
context: BaseAudioContext::new_inherited(global, 2 /* channel_count */, sample_rate),
base_latency: 0., // TODO
output_latency: 0., // TODO
}
}
#[allow(unrooted_must_root)]
pub fn new(global: &GlobalScope,
options: &AudioContextOptions) -> DomRoot<AudioContext> {
let context = AudioContext::new_inherited(
global,
*options.sampleRate.unwrap_or(Finite::wrap(0.)),
); // TODO
reflect_dom_object(Box::new(context), global, AudioContextBinding::Wrap)
}
pub fn Constructor(window: &Window,
options: &AudioContextOptions) -> Fallible<DomRoot<AudioContext>> {
let global = window.upcast::<GlobalScope>();
Ok(AudioContext::new(global, options))
}
}
impl AudioContextMethods for AudioContext {
fn BaseLatency(&self) -> Finite<f64> {
Finite::wrap(self.base_latency)
}
fn OutputLatency(&self) -> Finite<f64> {
Finite::wrap(self.output_latency)
}
fn GetOutputTimestamp(&self) -> AudioTimestamp {
// TODO
AudioTimestamp {
contextTime: Some(Finite::wrap(0.)),
performanceTime: Some(Finite::wrap(0.)),
}
}
#[allow(unrooted_must_root)]
fn Suspend(&self) -> Rc<Promise> {
// TODO
Promise::new(&self.global())
}
#[allow(unrooted_must_root)]
fn Close(&self) -> Rc<Promise> {
// TODO
Promise::new(&self.global())
}
}
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