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https://github.com/LadybirdBrowser/ladybird
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5adfd1c43a
Previously we were inconsistent by generating code for enum definitions but not generating code for dictionaries. With future changes to the IDL generator to expose helpers to convert to and from IDL values this produced circular depdendencies. To solve this problem, also generate the dictionary definitions in bindings headers.
86 lines
3.4 KiB
C++
86 lines
3.4 KiB
C++
/*
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* Copyright (c) 2025, Tim Ledbetter <tim.ledbetter@ladybird.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/StereoPannerNode.h>
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namespace Web::WebAudio {
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GC_DEFINE_ALLOCATOR(StereoPannerNode);
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StereoPannerNode::~StereoPannerNode() = default;
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WebIDL::ExceptionOr<GC::Ref<StereoPannerNode>> StereoPannerNode::create(JS::Realm& realm, GC::Ref<BaseAudioContext> context, Bindings::StereoPannerOptions 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-stereopannernode-stereopannernode
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WebIDL::ExceptionOr<GC::Ref<StereoPannerNode>> StereoPannerNode::construct_impl(JS::Realm& realm, GC::Ref<BaseAudioContext> context, Bindings::StereoPannerOptions const& options)
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{
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// Create the node and allocate memory
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auto node = realm.create<StereoPannerNode>(realm, context, options);
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// Default options for channel count and interpretation
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// https://webaudio.github.io/web-audio-api/#stereopannernode
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AudioNodeDefaultOptions default_options;
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default_options.channel_count_mode = Bindings::ChannelCountMode::ClampedMax;
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default_options.channel_interpretation = Bindings::ChannelInterpretation::Speakers;
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default_options.channel_count = 2;
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// FIXME: Set tail-time to no
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TRY(node->initialize_audio_node_options(options, default_options));
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return node;
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}
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// https://webaudio.github.io/web-audio-api/#dom-audionode-channelcountmode
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WebIDL::ExceptionOr<void> StereoPannerNode::set_channel_count_mode(Bindings::ChannelCountMode mode)
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{
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// https://webaudio.github.io/web-audio-api/#audionode-channelcountmode-constraints
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// The channel count mode cannot be set to "max", and a NotSupportedError exception MUST be thrown for any attempt to set it to "max".
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if (mode == Bindings::ChannelCountMode::Max) {
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return WebIDL::NotSupportedError::create(realm(), "StereoPannerNode does not support 'max' as channelCountMode."_utf16);
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}
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// If the mode is valid, call the base class implementation
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return AudioNode::set_channel_count_mode(mode);
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}
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// https://webaudio.github.io/web-audio-api/#dom-audionode-channelcount
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WebIDL::ExceptionOr<void> StereoPannerNode::set_channel_count(WebIDL::UnsignedLong channel_count)
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{
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// https://webaudio.github.io/web-audio-api/#audionode-channelcount-constraints
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// The channel count cannot be greater than two, and a NotSupportedError exception MUST be thrown for any attempt to change it to a value greater than two.
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if (channel_count > 2) {
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return WebIDL::NotSupportedError::create(realm(), "StereoPannerNode does not support channel count greater than 2"_utf16);
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}
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return AudioNode::set_channel_count(channel_count);
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}
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StereoPannerNode::StereoPannerNode(JS::Realm& realm, GC::Ref<BaseAudioContext> context, Bindings::StereoPannerOptions const& options)
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: AudioNode(realm, context)
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, m_pan(AudioParam::create(realm, context, options.pan, -1, 1, Bindings::AutomationRate::ARate))
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{
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}
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void StereoPannerNode::initialize(JS::Realm& realm)
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{
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WEB_SET_PROTOTYPE_FOR_INTERFACE(StereoPannerNode);
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Base::initialize(realm);
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}
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void StereoPannerNode::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_pan);
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}
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}
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