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875e387004
* script: Feature-gate all crown support. Signed-off-by: Josh Matthews <josh@joshmatthews.net> * script: Use cfg(crown) instead of a cargo feature. Signed-off-by: Josh Matthews <josh@joshmatthews.net> --------- Signed-off-by: Josh Matthews <josh@joshmatthews.net>
106 lines
3.4 KiB
Rust
106 lines
3.4 KiB
Rust
/* 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 dom_struct::dom_struct;
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use js::rust::HandleObject;
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use servo_media::audio::channel_node::ChannelNodeOptions;
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use servo_media::audio::node::AudioNodeInit;
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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::ChannelMergerNodeBinding::{
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ChannelMergerNodeMethods, ChannelMergerOptions,
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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_with_proto;
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use crate::dom::bindings::root::DomRoot;
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use crate::dom::window::Window;
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use crate::script_runtime::CanGc;
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#[dom_struct]
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pub(crate) struct ChannelMergerNode {
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node: AudioNode,
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}
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impl ChannelMergerNode {
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#[cfg_attr(crown, allow(crown::unrooted_must_root))]
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pub(crate) fn new_inherited(
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_: &Window,
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context: &BaseAudioContext,
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options: &ChannelMergerOptions,
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) -> Fallible<ChannelMergerNode> {
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let node_options = options.parent.unwrap_or(
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1,
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ChannelCountMode::Explicit,
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ChannelInterpretation::Speakers,
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);
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if node_options.count != 1 || node_options.mode != ChannelCountMode::Explicit {
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return Err(Error::InvalidState);
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}
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if options.numberOfInputs < 1 || options.numberOfInputs > MAX_CHANNEL_COUNT {
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return Err(Error::IndexSize);
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}
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let node = AudioNode::new_inherited(
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AudioNodeInit::ChannelMergerNode(options.into()),
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context,
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node_options,
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options.numberOfInputs, // inputs
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1, // outputs
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)?;
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Ok(ChannelMergerNode { node })
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}
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pub(crate) fn new(
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window: &Window,
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context: &BaseAudioContext,
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options: &ChannelMergerOptions,
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can_gc: CanGc,
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) -> Fallible<DomRoot<ChannelMergerNode>> {
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Self::new_with_proto(window, None, context, options, can_gc)
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}
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#[cfg_attr(crown, allow(crown::unrooted_must_root))]
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fn new_with_proto(
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window: &Window,
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proto: Option<HandleObject>,
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context: &BaseAudioContext,
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options: &ChannelMergerOptions,
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can_gc: CanGc,
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) -> Fallible<DomRoot<ChannelMergerNode>> {
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let node = ChannelMergerNode::new_inherited(window, context, options)?;
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Ok(reflect_dom_object_with_proto(
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Box::new(node),
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window,
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proto,
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can_gc,
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))
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}
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}
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impl ChannelMergerNodeMethods<crate::DomTypeHolder> for ChannelMergerNode {
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/// <https://webaudio.github.io/web-audio-api/#dom-channelmergernode-channelmergernode>
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fn Constructor(
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window: &Window,
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proto: Option<HandleObject>,
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can_gc: CanGc,
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context: &BaseAudioContext,
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options: &ChannelMergerOptions,
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) -> Fallible<DomRoot<ChannelMergerNode>> {
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ChannelMergerNode::new_with_proto(window, proto, context, options, can_gc)
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}
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}
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impl<'a> From<&'a ChannelMergerOptions> for ChannelNodeOptions {
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fn from(options: &'a ChannelMergerOptions) -> Self {
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Self {
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channels: options.numberOfInputs as u8,
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}
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}
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}
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