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70db474cf0
This was almost a no-op, except we intern JS exception messages. So the bulk of this patch is porting exception messages to UTF-16.
111 lines
4.7 KiB
C++
111 lines
4.7 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/HTML/EventNames.h>
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#include <LibWeb/HTML/Window.h>
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#include <LibWeb/WebAudio/AudioDestinationNode.h>
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#include <LibWeb/WebAudio/OfflineAudioContext.h>
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namespace Web::WebAudio {
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GC_DEFINE_ALLOCATOR(OfflineAudioContext);
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// https://webaudio.github.io/web-audio-api/#dom-offlineaudiocontext-offlineaudiocontext
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WebIDL::ExceptionOr<GC::Ref<OfflineAudioContext>> OfflineAudioContext::construct_impl(JS::Realm& realm, OfflineAudioContextOptions const& context_options)
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{
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// AD-HOC: This spec text is currently only mentioned in the constructor overload that takes separate arguments,
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// but these parameters should be validated for both constructors.
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// A NotSupportedError exception MUST be thrown if any of the arguments is negative, zero, or outside its nominal range.
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TRY(verify_audio_options_inside_nominal_range(realm, context_options.number_of_channels, context_options.length, context_options.sample_rate));
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// Let c be a new OfflineAudioContext object. Initialize c as follows:
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auto c = realm.create<OfflineAudioContext>(realm, context_options.length, context_options.sample_rate);
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// 1. Set the [[control thread state]] for c to "suspended".
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c->set_control_state(Bindings::AudioContextState::Suspended);
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// 2. Set the [[rendering thread state]] for c to "suspended".
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c->set_rendering_state(Bindings::AudioContextState::Suspended);
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// FIXME: 3. Determine the [[render quantum size]] for this OfflineAudioContext, based on the value of the renderSizeHint:
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// 4. Construct an AudioDestinationNode with its channelCount set to contextOptions.numberOfChannels.
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c->m_destination = TRY(AudioDestinationNode::construct_impl(realm, c, context_options.number_of_channels));
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// FIXME: 5. Let messageChannel be a new MessageChannel.
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// FIXME: 6. Let controlSidePort be the value of messageChannel’s port1 attribute.
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// FIXME: 7. Let renderingSidePort be the value of messageChannel’s port2 attribute.
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// FIXME: 8. Let serializedRenderingSidePort be the result of StructuredSerializeWithTransfer(renderingSidePort, « renderingSidePort »).
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// FIXME: 9. Set this audioWorklet's port to controlSidePort.
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// FIXME: 10. Queue a control message to set the MessagePort on the AudioContextGlobalScope, with serializedRenderingSidePort.
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return c;
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}
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// https://webaudio.github.io/web-audio-api/#dom-offlineaudiocontext-offlineaudiocontext-numberofchannels-length-samplerate
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WebIDL::ExceptionOr<GC::Ref<OfflineAudioContext>> OfflineAudioContext::construct_impl(JS::Realm& realm,
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WebIDL::UnsignedLong number_of_channels, WebIDL::UnsignedLong length, float sample_rate)
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{
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return construct_impl(realm, { number_of_channels, length, sample_rate });
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}
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OfflineAudioContext::~OfflineAudioContext() = default;
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// https://webaudio.github.io/web-audio-api/#dom-offlineaudiocontext-startrendering
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WebIDL::ExceptionOr<GC::Ref<WebIDL::Promise>> OfflineAudioContext::start_rendering()
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{
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return WebIDL::NotSupportedError::create(realm(), "FIXME: Implement OfflineAudioContext::start_rendering"_utf16);
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}
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WebIDL::ExceptionOr<GC::Ref<WebIDL::Promise>> OfflineAudioContext::resume()
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{
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return WebIDL::NotSupportedError::create(realm(), "FIXME: Implement OfflineAudioContext::resume"_utf16);
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}
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WebIDL::ExceptionOr<GC::Ref<WebIDL::Promise>> OfflineAudioContext::suspend(double suspend_time)
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{
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(void)suspend_time;
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return WebIDL::NotSupportedError::create(realm(), "FIXME: Implement OfflineAudioContext::suspend"_utf16);
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}
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// https://webaudio.github.io/web-audio-api/#dom-offlineaudiocontext-length
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WebIDL::UnsignedLong OfflineAudioContext::length() const
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{
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// The size of the buffer in sample-frames. This is the same as the value of the length parameter for the constructor.
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return m_length;
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}
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// https://webaudio.github.io/web-audio-api/#dom-offlineaudiocontext-oncomplete
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GC::Ptr<WebIDL::CallbackType> OfflineAudioContext::oncomplete()
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{
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return event_handler_attribute(HTML::EventNames::complete);
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}
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// https://webaudio.github.io/web-audio-api/#dom-offlineaudiocontext-oncomplete
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void OfflineAudioContext::set_oncomplete(GC::Ptr<WebIDL::CallbackType> value)
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{
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set_event_handler_attribute(HTML::EventNames::complete, value);
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}
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OfflineAudioContext::OfflineAudioContext(JS::Realm& realm, WebIDL::UnsignedLong length, float sample_rate)
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: BaseAudioContext(realm, sample_rate)
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, m_length(length)
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{
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}
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void OfflineAudioContext::initialize(JS::Realm& realm)
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{
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WEB_SET_PROTOTYPE_FOR_INTERFACE(OfflineAudioContext);
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Base::initialize(realm);
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}
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void OfflineAudioContext::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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}
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}
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