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2f7457ad55
Differential Revision: https://phabricator.services.mozilla.com/D34482 --HG-- extra : moz-landing-system : lando
79 lines
2.5 KiB
C++
79 lines
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_AudioWorkletGlobalScope_h
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#define mozilla_dom_AudioWorkletGlobalScope_h
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#include "mozilla/dom/AudioParamDescriptorMap.h"
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#include "mozilla/dom/FunctionBinding.h"
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#include "mozilla/dom/WorkletGlobalScope.h"
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#include "nsRefPtrHashtable.h"
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namespace mozilla {
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class AudioWorkletImpl;
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namespace dom {
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class AudioWorkletProcessorConstructor;
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class StructuredCloneHolder;
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class AudioWorkletGlobalScope final : public WorkletGlobalScope {
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public:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(AudioWorkletGlobalScope,
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WorkletGlobalScope);
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explicit AudioWorkletGlobalScope(AudioWorkletImpl* aImpl);
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bool WrapGlobalObject(JSContext* aCx,
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JS::MutableHandle<JSObject*> aReflector) override;
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void RegisterProcessor(JSContext* aCx, const nsAString& aName,
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AudioWorkletProcessorConstructor& aProcessorCtor,
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ErrorResult& aRv);
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WorkletImpl* Impl() const override;
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uint64_t CurrentFrame() const;
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double CurrentTime() const;
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float SampleRate() const;
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// If successful, returns true and sets aRetProcessor, which will be in the
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// compartment for the realm of this global. Returns false on failure.
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MOZ_CAN_RUN_SCRIPT
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bool ConstructProcessor(const nsAString& aName,
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NotNull<StructuredCloneHolder*> aOptionsSerialization,
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JS::MutableHandle<JSObject*> aRetProcessor);
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private:
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~AudioWorkletGlobalScope() = default;
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// Returns an AudioParamDescriptorMap filled with AudioParamDescriptor
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// objects, extracted from JS. Returns an empty map in case of error and set
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// aRv accordingly.
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AudioParamDescriptorMap DescriptorsFromJS(
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JSContext* aCx, const JS::Rooted<JS::Value>& aDescriptors,
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ErrorResult& aRv);
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const RefPtr<AudioWorkletImpl> mImpl;
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uint64_t mCurrentFrame;
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double mCurrentTime;
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float mSampleRate;
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typedef nsRefPtrHashtable<nsStringHashKey, AudioWorkletProcessorConstructor>
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NodeNameToProcessorDefinitionMap;
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NodeNameToProcessorDefinitionMap mNameToProcessorMap;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_AudioWorkletGlobalScope_h
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