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2c3531ab78
This change also removes as much direct use of JS::Promise in LibWeb as possible. When specs refer to `Promise<T>` they should be assumed to be referring to the WebIDL Promise type, not the JS::Promise type. The one exception is the HostPromiseRejectionTracker hook on the JS VM. This facility and its associated sets and events are intended to expose the exact opaque object handles that were rejected to author code. This is not possible with the WebIDL Promise type, so we have to use JS::Promise or JS::Object to hold onto the promises. It also exposes which specs need some updates in the area of promises. WebDriver stands out in this regard. WebAudio could use some more cross-references to WebIDL as well to clarify things.
93 lines
3.5 KiB
C++
93 lines
3.5 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/HTML/EventNames.h>
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#include <LibWeb/HTML/Window.h>
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#include <LibWeb/WebAudio/OfflineAudioContext.h>
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namespace Web::WebAudio {
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JS_DEFINE_ALLOCATOR(OfflineAudioContext);
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WebIDL::ExceptionOr<JS::NonnullGCPtr<OfflineAudioContext>> OfflineAudioContext::construct_impl(JS::Realm& realm, OfflineAudioContextOptions const& context_options)
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{
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return construct_impl(realm, context_options.number_of_channels, context_options.length, context_options.sample_rate);
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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<JS::NonnullGCPtr<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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// The OfflineAudioContext can be constructed with the same arguments as AudioContext.createBuffer.
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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, number_of_channels, length, sample_rate));
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return realm.heap().allocate<OfflineAudioContext>(realm, 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<JS::NonnullGCPtr<WebIDL::Promise>> OfflineAudioContext::start_rendering()
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{
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return WebIDL::NotSupportedError::create(realm(), "FIXME: Implement OfflineAudioContext::start_rendering"_string);
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}
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WebIDL::ExceptionOr<JS::NonnullGCPtr<WebIDL::Promise>> OfflineAudioContext::resume()
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{
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return WebIDL::NotSupportedError::create(realm(), "FIXME: Implement OfflineAudioContext::resume"_string);
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}
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WebIDL::ExceptionOr<JS::NonnullGCPtr<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"_string);
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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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JS::GCPtr<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(JS::GCPtr<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, OfflineAudioContextOptions const&)
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: BaseAudioContext(realm)
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{
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}
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OfflineAudioContext::OfflineAudioContext(JS::Realm& realm, WebIDL::UnsignedLong number_of_channels, 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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(void)number_of_channels;
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}
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void OfflineAudioContext::initialize(JS::Realm& realm)
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{
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Base::initialize(realm);
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WEB_SET_PROTOTYPE_FOR_INTERFACE(OfflineAudioContext);
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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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