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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.
71 lines
2.9 KiB
C++
71 lines
2.9 KiB
C++
/*
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* Copyright (c) 2024, Jelle Raaijmakers <jelle@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/WebAudio/BaseAudioContext.h>
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#include <LibWeb/WebAudio/ChannelMergerNode.h>
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namespace Web::WebAudio {
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GC_DEFINE_ALLOCATOR(ChannelMergerNode);
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ChannelMergerNode::ChannelMergerNode(JS::Realm& realm, GC::Ref<BaseAudioContext> context, ChannelMergerOptions const& options)
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: AudioNode(realm, context)
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, m_number_of_inputs(options.number_of_inputs)
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{
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}
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ChannelMergerNode::~ChannelMergerNode() = default;
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WebIDL::ExceptionOr<GC::Ref<ChannelMergerNode>> ChannelMergerNode::create(JS::Realm& realm, GC::Ref<BaseAudioContext> context, ChannelMergerOptions const& options)
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{
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return construct_impl(realm, context, options);
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}
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WebIDL::ExceptionOr<GC::Ref<ChannelMergerNode>> ChannelMergerNode::construct_impl(JS::Realm& realm, GC::Ref<BaseAudioContext> context, ChannelMergerOptions const& options)
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{
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// https://webaudio.github.io/web-audio-api/#dom-baseaudiocontext-createchannelmerger
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// An IndexSizeError exception MUST be thrown if numberOfInputs is less than 1 or is greater
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// than the number of supported channels.
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if (options.number_of_inputs < 1 || options.number_of_inputs > BaseAudioContext::MAX_NUMBER_OF_CHANNELS)
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return WebIDL::IndexSizeError::create(realm, "Invalid number of inputs"_utf16);
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auto node = realm.create<ChannelMergerNode>(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/#BiquadFilterNode
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AudioNodeDefaultOptions default_options;
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default_options.channel_count_mode = Bindings::ChannelCountMode::Explicit;
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default_options.channel_interpretation = Bindings::ChannelInterpretation::Speakers;
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default_options.channel_count = 1;
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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/#audionode-channelcount-constraints
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WebIDL::ExceptionOr<void> ChannelMergerNode::set_channel_count(WebIDL::UnsignedLong channel_count)
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{
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// The channel count cannot be changed, and an InvalidStateError exception MUST be thrown for
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// any attempt to change the value.
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if (channel_count != 1)
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return WebIDL::InvalidStateError::create(realm(), "Channel count cannot be changed"_utf16);
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return Base::set_channel_count(channel_count);
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}
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WebIDL::ExceptionOr<void> ChannelMergerNode::set_channel_count_mode(Bindings::ChannelCountMode channel_count_mode)
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{
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// The channel count mode cannot be changed from "explicit" and an InvalidStateError exception
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// MUST be thrown for any attempt to change the value.
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if (channel_count_mode != Bindings::ChannelCountMode::Explicit)
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return WebIDL::InvalidStateError::create(realm(), "Channel count mode cannot be changed"_utf16);
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return Base::set_channel_count_mode(channel_count_mode);
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}
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}
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