ladybird/Libraries/LibWeb/WebAudio/AudioScheduledSourceNode.cpp

84 lines
3.5 KiB
C++

/*
* Copyright (c) 2024, Shannon Booth <shannon@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/AudioScheduledSourceNodePrototype.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/HTML/EventNames.h>
#include <LibWeb/WebAudio/AudioScheduledSourceNode.h>
namespace Web::WebAudio {
GC_DEFINE_ALLOCATOR(AudioScheduledSourceNode);
AudioScheduledSourceNode::AudioScheduledSourceNode(JS::Realm& realm, GC::Ref<BaseAudioContext> context)
: AudioNode(realm, context)
{
}
AudioScheduledSourceNode::~AudioScheduledSourceNode() = default;
// https://webaudio.github.io/web-audio-api/#dom-audioscheduledsourcenode-onended
GC::Ptr<WebIDL::CallbackType> AudioScheduledSourceNode::onended()
{
return event_handler_attribute(HTML::EventNames::ended);
}
// https://webaudio.github.io/web-audio-api/#dom-audioscheduledsourcenode-onended
void AudioScheduledSourceNode::set_onended(GC::Ptr<WebIDL::CallbackType> value)
{
set_event_handler_attribute(HTML::EventNames::ended, value);
}
// https://webaudio.github.io/web-audio-api/#dom-audioscheduledsourcenode-start
WebIDL::ExceptionOr<void> AudioScheduledSourceNode::start(double when)
{
// 1. If this AudioScheduledSourceNode internal slot [[source started]] is true, an InvalidStateError exception MUST be thrown.
if (source_started())
return WebIDL::InvalidStateError::create(realm(), "AudioScheduledSourceNode source has already started"_string);
// 2. Check for any errors that must be thrown due to parameter constraints described below. If any exception is thrown during this step, abort those steps.
// A RangeError exception MUST be thrown if when is negative.
if (when < 0)
return WebIDL::SimpleException { WebIDL::SimpleExceptionType::RangeError, "when must not be negative"sv };
// 3. Set the internal slot [[source started]] on this AudioScheduledSourceNode to true.
set_source_started(true);
// FIXME: 4. Queue a control message to start the AudioScheduledSourceNode, including the parameter values in the message.
// FIXME: 5. Send a control message to the associated AudioContext to start running its rendering thread only when all the following conditions are met:
return WebIDL::NotSupportedError::create(realm(), "FIXME: Implement AudioScheduledSourceNode::start"_string);
}
// https://webaudio.github.io/web-audio-api/#dom-audioscheduledsourcenode-stop
WebIDL::ExceptionOr<void> AudioScheduledSourceNode::stop(double when)
{
// 1. If this AudioScheduledSourceNode internal slot [[source started]] is not true, an InvalidStateError exception MUST be thrown.
if (!m_source_started)
return WebIDL::InvalidStateError::create(realm(), "AudioScheduledSourceNode source has not been started"_string);
// 2. Check for any errors that must be thrown due to parameter constraints described below.
// A RangeError exception MUST be thrown if when is negative.
if (when < 0)
return WebIDL::SimpleException { WebIDL::SimpleExceptionType::RangeError, "when must not be negative"sv };
// FIXME: 3. Queue a control message to stop the AudioScheduledSourceNode, including the parameter values in the message.
return WebIDL::NotSupportedError::create(realm(), "FIXME: Implement AudioScheduledSourceNode::stop"_string);
}
void AudioScheduledSourceNode::initialize(JS::Realm& realm)
{
Base::initialize(realm);
WEB_SET_PROTOTYPE_FOR_INTERFACE(AudioScheduledSourceNode);
}
void AudioScheduledSourceNode::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
}
}