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Implement DOM APIs for ChannelSplitterNode
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commit
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16 changed files with 186 additions and 133 deletions
80
components/script/dom/channelsplitternode.rs
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80
components/script/dom/channelsplitternode.rs
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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use crate::dom::audionode::{AudioNode, MAX_CHANNEL_COUNT};
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use crate::dom::baseaudiocontext::BaseAudioContext;
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use crate::dom::bindings::codegen::Bindings::AudioNodeBinding::{
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ChannelCountMode, ChannelInterpretation,
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};
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use crate::dom::bindings::codegen::Bindings::ChannelSplitterNodeBinding::{
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self, ChannelSplitterOptions,
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};
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use crate::dom::bindings::error::{Error, Fallible};
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use crate::dom::bindings::reflector::reflect_dom_object;
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use crate::dom::bindings::root::DomRoot;
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use crate::dom::window::Window;
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use dom_struct::dom_struct;
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use servo_media::audio::node::AudioNodeInit;
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#[dom_struct]
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pub struct ChannelSplitterNode {
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node: AudioNode,
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}
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impl ChannelSplitterNode {
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#[allow(unrooted_must_root)]
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pub fn new_inherited(
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_: &Window,
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context: &BaseAudioContext,
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options: &ChannelSplitterOptions,
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) -> Fallible<ChannelSplitterNode> {
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if options.numberOfOutputs < 1 || options.numberOfOutputs > MAX_CHANNEL_COUNT {
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return Err(Error::IndexSize);
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}
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let node_options = options.parent.unwrap_or(
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options.numberOfOutputs,
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ChannelCountMode::Explicit,
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ChannelInterpretation::Discrete,
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);
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if node_options.count != options.numberOfOutputs ||
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node_options.mode != ChannelCountMode::Explicit ||
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node_options.interpretation != ChannelInterpretation::Discrete
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{
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return Err(Error::InvalidState);
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}
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let node = AudioNode::new_inherited(
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AudioNodeInit::ChannelSplitterNode,
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context,
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node_options,
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1, // inputs
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options.numberOfOutputs, // outputs
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)?;
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Ok(ChannelSplitterNode { node })
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}
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#[allow(unrooted_must_root)]
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pub fn new(
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window: &Window,
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context: &BaseAudioContext,
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options: &ChannelSplitterOptions,
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) -> Fallible<DomRoot<ChannelSplitterNode>> {
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let node = ChannelSplitterNode::new_inherited(window, context, options)?;
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Ok(reflect_dom_object(
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Box::new(node),
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window,
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ChannelSplitterNodeBinding::Wrap,
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))
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}
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pub fn Constructor(
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window: &Window,
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context: &BaseAudioContext,
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options: &ChannelSplitterOptions,
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) -> Fallible<DomRoot<ChannelSplitterNode>> {
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ChannelSplitterNode::new(window, context, options)
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}
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}
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