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49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
/*
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* Copyright (c) 2024, Shannon Booth <shannon@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/WebAudio/AudioNode.h>
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#include <LibWeb/WebAudio/AudioParam.h>
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#include <LibWeb/WebAudio/BaseAudioContext.h>
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#include <LibWeb/WebAudio/GainNode.h>
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namespace Web::WebAudio {
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JS_DEFINE_ALLOCATOR(GainNode);
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GainNode::~GainNode() = default;
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JS::NonnullGCPtr<GainNode> GainNode::create(JS::Realm& realm, JS::NonnullGCPtr<BaseAudioContext> context, GainOptions const& options)
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{
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return construct_impl(realm, context, options);
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}
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// https://webaudio.github.io/web-audio-api/#dom-gainnode-gainnode
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JS::NonnullGCPtr<GainNode> GainNode::construct_impl(JS::Realm& realm, JS::NonnullGCPtr<BaseAudioContext> context, GainOptions const& options)
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{
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// FIXME: Invoke "Initialize the AudioNode" steps.
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return realm.vm().heap().allocate<GainNode>(realm, realm, context, options);
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}
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GainNode::GainNode(JS::Realm& realm, JS::NonnullGCPtr<BaseAudioContext> context, GainOptions const& options)
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: AudioNode(realm, context)
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, m_gain(AudioParam::create(realm, options.gain, NumericLimits<float>::lowest(), NumericLimits<float>::max(), Bindings::AutomationRate::ARate))
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{
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}
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void GainNode::initialize(JS::Realm& realm)
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{
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Base::initialize(realm);
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WEB_SET_PROTOTYPE_FOR_INTERFACE(GainNode);
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}
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void GainNode::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_gain);
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}
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}
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