ladybird/Libraries/LibWeb/WebAudio/AudioNode.h
Shannon Booth f87041bf3a LibGC+Everywhere: Factor out a LibGC from LibJS
Resulting in a massive rename across almost everywhere! Alongside the
namespace change, we now have the following names:

 * JS::NonnullGCPtr -> GC::Ref
 * JS::GCPtr -> GC::Ptr
 * JS::HeapFunction -> GC::Function
 * JS::CellImpl -> GC::Cell
 * JS::Handle -> GC::Root
2024-11-15 14:49:20 +01:00

86 lines
3.4 KiB
C++

/*
* Copyright (c) 2024, Shannon Booth <shannon@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Optional.h>
#include <LibJS/Forward.h>
#include <LibWeb/Bindings/AudioNodePrototype.h>
#include <LibWeb/Bindings/PlatformObject.h>
#include <LibWeb/DOM/EventTarget.h>
#include <LibWeb/WebIDL/Types.h>
namespace Web::WebAudio {
// https://webaudio.github.io/web-audio-api/#AudioNodeOptions
struct AudioNodeOptions {
Optional<WebIDL::UnsignedLong> channel_count;
Optional<Bindings::ChannelCountMode> channel_count_mode;
Optional<Bindings::ChannelInterpretation> channel_interpretation;
};
struct AudioNodeDefaultOptions {
WebIDL::UnsignedLong channel_count;
Bindings::ChannelCountMode channel_count_mode;
Bindings::ChannelInterpretation channel_interpretation;
};
// https://webaudio.github.io/web-audio-api/#AudioNode
class AudioNode : public DOM::EventTarget {
WEB_PLATFORM_OBJECT(AudioNode, DOM::EventTarget);
GC_DECLARE_ALLOCATOR(AudioNode);
public:
virtual ~AudioNode() override;
WebIDL::ExceptionOr<GC::Ref<AudioNode>> connect(GC::Ref<AudioNode> destination_node, WebIDL::UnsignedLong output = 0, WebIDL::UnsignedLong input = 0);
void connect(GC::Ref<AudioParam> destination_param, WebIDL::UnsignedLong output = 0);
void disconnect();
void disconnect(WebIDL::UnsignedLong output);
void disconnect(GC::Ref<AudioNode> destination_node);
void disconnect(GC::Ref<AudioNode> destination_node, WebIDL::UnsignedLong output);
void disconnect(GC::Ref<AudioNode> destination_node, WebIDL::UnsignedLong output, WebIDL::UnsignedLong input);
void disconnect(GC::Ref<AudioParam> destination_param);
void disconnect(GC::Ref<AudioParam> destination_param, WebIDL::UnsignedLong output);
// https://webaudio.github.io/web-audio-api/#dom-audionode-context
GC::Ref<BaseAudioContext const> context() const
{
// The BaseAudioContext which owns this AudioNode.
return m_context;
}
// https://webaudio.github.io/web-audio-api/#dom-audionode-numberofinputs
virtual WebIDL::UnsignedLong number_of_inputs() = 0;
// https://webaudio.github.io/web-audio-api/#dom-audionode-numberofoutputs
virtual WebIDL::UnsignedLong number_of_outputs() = 0;
// https://webaudio.github.io/web-audio-api/#dom-audionode-channelcount
virtual WebIDL::ExceptionOr<void> set_channel_count(WebIDL::UnsignedLong);
virtual WebIDL::UnsignedLong channel_count() const { return m_channel_count; }
virtual WebIDL::ExceptionOr<void> set_channel_count_mode(Bindings::ChannelCountMode);
Bindings::ChannelCountMode channel_count_mode();
WebIDL::ExceptionOr<void> set_channel_interpretation(Bindings::ChannelInterpretation);
Bindings::ChannelInterpretation channel_interpretation();
WebIDL::ExceptionOr<void> initialize_audio_node_options(AudioNodeOptions const& given_options, AudioNodeDefaultOptions const& default_options);
protected:
AudioNode(JS::Realm&, GC::Ref<BaseAudioContext>);
virtual void initialize(JS::Realm&) override;
virtual void visit_edges(Cell::Visitor&) override;
private:
GC::Ref<BaseAudioContext> m_context;
WebIDL::UnsignedLong m_channel_count { 2 };
Bindings::ChannelCountMode m_channel_count_mode { Bindings::ChannelCountMode::Max };
Bindings::ChannelInterpretation m_channel_interpretation { Bindings::ChannelInterpretation::Speakers };
};
}