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- /*
- * Copyright (c) 2024, Luke Wilde <luke@ladybird.org>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
- #include <LibWeb/Bindings/Intrinsics.h>
- #include <LibWeb/WebAudio/AudioNode.h>
- #include <LibWeb/WebAudio/AudioParam.h>
- #include <LibWeb/WebAudio/BaseAudioContext.h>
- #include <LibWeb/WebAudio/PannerNode.h>
- namespace Web::WebAudio {
- GC_DEFINE_ALLOCATOR(PannerNode);
- PannerNode::~PannerNode() = default;
- WebIDL::ExceptionOr<GC::Ref<PannerNode>> PannerNode::create(JS::Realm& realm, GC::Ref<BaseAudioContext> context, PannerOptions const& options)
- {
- return construct_impl(realm, context, options);
- }
- // https://webaudio.github.io/web-audio-api/#dom-pannernode-pannernode
- WebIDL::ExceptionOr<GC::Ref<PannerNode>> PannerNode::construct_impl(JS::Realm& realm, GC::Ref<BaseAudioContext> context, PannerOptions const& options)
- {
- // https://webaudio.github.io/web-audio-api/#dom-pannernode-refdistance
- // A RangeError exception MUST be thrown if this is set to a negative value.
- if (options.ref_distance < 0.0)
- return WebIDL::SimpleException { WebIDL::SimpleExceptionType::RangeError, "refDistance cannot be negative"sv };
- // https://webaudio.github.io/web-audio-api/#dom-pannernode-rollofffactor
- // A RangeError exception MUST be thrown if this is set to a negative value.
- if (options.rolloff_factor < 0.0)
- return WebIDL::SimpleException { WebIDL::SimpleExceptionType::RangeError, "rolloffFactor cannot be negative"sv };
- // https://webaudio.github.io/web-audio-api/#dom-pannernode-maxdistance
- // A RangeError exception MUST be thrown if this is set to a non-positive value.
- if (options.max_distance < 0.0)
- return WebIDL::SimpleException { WebIDL::SimpleExceptionType::RangeError, "maxDistance cannot be negative"sv };
- // https://webaudio.github.io/web-audio-api/#dom-pannernode-coneoutergain
- // It is a linear value (not dB) in the range [0, 1]. An InvalidStateError MUST be thrown if the parameter is outside this range.
- if (options.cone_outer_gain < 0.0 || options.cone_outer_gain > 1.0)
- return WebIDL::InvalidStateError::create(realm, "coneOuterGain must be in the range of [0, 1]"_string);
- // Create the node and allocate memory
- auto node = realm.create<PannerNode>(realm, context, options);
- // Default options for channel count and interpretation
- // https://webaudio.github.io/web-audio-api/#PannerNode
- AudioNodeDefaultOptions default_options;
- default_options.channel_count_mode = Bindings::ChannelCountMode::ClampedMax;
- default_options.channel_interpretation = Bindings::ChannelInterpretation::Speakers;
- default_options.channel_count = 2;
- // FIXME: Set tail-time to maybe
- TRY(node->initialize_audio_node_options(options, default_options));
- return node;
- }
- PannerNode::PannerNode(JS::Realm& realm, GC::Ref<BaseAudioContext> context, PannerOptions const& options)
- : AudioNode(realm, context)
- , m_panning_model(options.panning_model)
- , m_position_x(AudioParam::create(realm, options.position_x, NumericLimits<float>::lowest(), NumericLimits<float>::max(), Bindings::AutomationRate::ARate))
- , m_position_y(AudioParam::create(realm, options.position_y, NumericLimits<float>::lowest(), NumericLimits<float>::max(), Bindings::AutomationRate::ARate))
- , m_position_z(AudioParam::create(realm, options.position_z, NumericLimits<float>::lowest(), NumericLimits<float>::max(), Bindings::AutomationRate::ARate))
- , m_orientation_x(AudioParam::create(realm, options.orientation_x, NumericLimits<float>::lowest(), NumericLimits<float>::max(), Bindings::AutomationRate::ARate))
- , m_orientation_y(AudioParam::create(realm, options.orientation_y, NumericLimits<float>::lowest(), NumericLimits<float>::max(), Bindings::AutomationRate::ARate))
- , m_orientation_z(AudioParam::create(realm, options.orientation_z, NumericLimits<float>::lowest(), NumericLimits<float>::max(), Bindings::AutomationRate::ARate))
- , m_distance_model(options.distance_model)
- , m_ref_distance(options.ref_distance)
- , m_max_distance(options.max_distance)
- , m_rolloff_factor(options.rolloff_factor)
- , m_cone_inner_angle(options.cone_inner_angle)
- , m_cone_outer_angle(options.cone_outer_angle)
- , m_cone_outer_gain(options.cone_outer_gain)
- {
- }
- void PannerNode::initialize(JS::Realm& realm)
- {
- Base::initialize(realm);
- WEB_SET_PROTOTYPE_FOR_INTERFACE(PannerNode);
- }
- void PannerNode::visit_edges(Cell::Visitor& visitor)
- {
- Base::visit_edges(visitor);
- visitor.visit(m_position_x);
- visitor.visit(m_position_y);
- visitor.visit(m_position_z);
- visitor.visit(m_orientation_x);
- visitor.visit(m_orientation_y);
- visitor.visit(m_orientation_z);
- }
- // https://webaudio.github.io/web-audio-api/#dom-pannernode-refdistance
- WebIDL::ExceptionOr<void> PannerNode::set_ref_distance(double value)
- {
- // A RangeError exception MUST be thrown if this is set to a negative value.
- if (value < 0.0)
- return WebIDL::SimpleException { WebIDL::SimpleExceptionType::RangeError, "refDistance cannot be negative"sv };
- m_ref_distance = value;
- return {};
- }
- // https://webaudio.github.io/web-audio-api/#dom-pannernode-maxdistance
- WebIDL::ExceptionOr<void> PannerNode::set_max_distance(double value)
- {
- // A RangeError exception MUST be thrown if this is set to a non-positive value.
- if (value < 0.0)
- return WebIDL::SimpleException { WebIDL::SimpleExceptionType::RangeError, "maxDistance cannot be negative"sv };
- m_max_distance = value;
- return {};
- }
- // https://webaudio.github.io/web-audio-api/#dom-pannernode-rollofffactor
- WebIDL::ExceptionOr<void> PannerNode::set_rolloff_factor(double value)
- {
- // A RangeError exception MUST be thrown if this is set to a negative value.
- if (value < 0.0)
- return WebIDL::SimpleException { WebIDL::SimpleExceptionType::RangeError, "rolloffFactor cannot be negative"sv };
- m_rolloff_factor = value;
- return {};
- }
- // https://webaudio.github.io/web-audio-api/#dom-pannernode-coneoutergain
- WebIDL::ExceptionOr<void> PannerNode::set_cone_outer_gain(double value)
- {
- // It is a linear value (not dB) in the range [0, 1]. An InvalidStateError MUST be thrown if the parameter is outside this range.
- if (value < 0.0 || value > 1.0)
- return WebIDL::InvalidStateError::create(realm(), "coneOuterGain must be in the range of [0, 1]"_string);
- m_cone_outer_gain = value;
- return {};
- }
- // https://webaudio.github.io/web-audio-api/#dom-pannernode-setposition
- WebIDL::ExceptionOr<void> PannerNode::set_position(float x, float y, float z)
- {
- // This method is DEPRECATED. It is equivalent to setting positionX.value, positionY.value, and positionZ.value
- // attribute directly with the x, y and z parameters, respectively.
- // FIXME: Consequently, if any of the positionX, positionY, and positionZ AudioParams have an automation curve
- // set using setValueCurveAtTime() at the time this method is called, a NotSupportedError MUST be thrown.
- m_position_x->set_value(x);
- m_position_y->set_value(y);
- m_position_z->set_value(z);
- return {};
- }
- // https://webaudio.github.io/web-audio-api/#dom-pannernode-setorientation
- WebIDL::ExceptionOr<void> PannerNode::set_orientation(float x, float y, float z)
- {
- // This method is DEPRECATED. It is equivalent to setting orientationX.value, orientationY.value, and
- // orientationZ.value attribute directly, with the x, y and z parameters, respectively.
- // FIXME: Consequently, if any of the orientationX, orientationY, and orientationZ AudioParams have an automation
- // curve set using setValueCurveAtTime() at the time this method is called, a NotSupportedError MUST be thrown.
- m_orientation_x->set_value(x);
- m_orientation_y->set_value(y);
- m_orientation_z->set_value(z);
- return {};
- }
- // https://webaudio.github.io/web-audio-api/#dom-audionode-channelcountmode
- WebIDL::ExceptionOr<void> PannerNode::set_channel_count_mode(Bindings::ChannelCountMode mode)
- {
- if (mode == Bindings::ChannelCountMode::Max) {
- return WebIDL::NotSupportedError::create(realm(), "PannerNode does not support 'max' as channelCountMode."_string);
- }
- return AudioNode::set_channel_count_mode(mode);
- }
- // https://webaudio.github.io/web-audio-api/#dom-audionode-channelcount
- WebIDL::ExceptionOr<void> PannerNode::set_channel_count(WebIDL::UnsignedLong channel_count)
- {
- if (channel_count > 2) {
- return WebIDL::NotSupportedError::create(realm(), "PannerNode does not support channel count greater than 2"_string);
- }
- return AudioNode::set_channel_count(channel_count);
- }
- }
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