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5c57acf140
An exception is now thown if an `AudioNode` attempts to connect to an `AudioParam` from a different `BaseAudioContext`.
64 lines
2.3 KiB
C++
64 lines
2.3 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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#pragma once
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#include <LibJS/Forward.h>
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#include <LibWeb/Bindings/AudioParamPrototype.h>
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#include <LibWeb/Bindings/PlatformObject.h>
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namespace Web::WebAudio {
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// https://webaudio.github.io/web-audio-api/#AudioParam
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class AudioParam final : public Bindings::PlatformObject {
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WEB_PLATFORM_OBJECT(AudioParam, Bindings::PlatformObject);
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GC_DECLARE_ALLOCATOR(AudioParam);
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public:
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static GC::Ref<AudioParam> create(JS::Realm&, GC::Ref<BaseAudioContext>, float default_value, float min_value, float max_value, Bindings::AutomationRate);
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virtual ~AudioParam() override;
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GC::Ref<BaseAudioContext> context() const { return m_context; }
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float value() const;
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void set_value(float);
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Bindings::AutomationRate automation_rate() const;
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WebIDL::ExceptionOr<void> set_automation_rate(Bindings::AutomationRate);
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float default_value() const;
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float min_value() const;
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float max_value() const;
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WebIDL::ExceptionOr<GC::Ref<AudioParam>> set_value_at_time(float value, double start_time);
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WebIDL::ExceptionOr<GC::Ref<AudioParam>> linear_ramp_to_value_at_time(float value, double end_time);
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WebIDL::ExceptionOr<GC::Ref<AudioParam>> exponential_ramp_to_value_at_time(float value, double end_time);
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WebIDL::ExceptionOr<GC::Ref<AudioParam>> set_target_at_time(float target, double start_time, float time_constant);
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WebIDL::ExceptionOr<GC::Ref<AudioParam>> set_value_curve_at_time(Span<float> values, double start_time, double duration);
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WebIDL::ExceptionOr<GC::Ref<AudioParam>> cancel_scheduled_values(double cancel_time);
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WebIDL::ExceptionOr<GC::Ref<AudioParam>> cancel_and_hold_at_time(double cancel_time);
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private:
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AudioParam(JS::Realm&, GC::Ref<BaseAudioContext>, float default_value, float min_value, float max_value, Bindings::AutomationRate);
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GC::Ref<BaseAudioContext> m_context;
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// https://webaudio.github.io/web-audio-api/#dom-audioparam-current-value-slot
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float m_current_value {}; // [[current value]]
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float m_default_value {};
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float m_min_value {};
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float m_max_value {};
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Bindings::AutomationRate m_automation_rate {};
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virtual void initialize(JS::Realm&) override;
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virtual void visit_edges(Cell::Visitor&) override;
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};
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}
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