michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim:set ts=2 sw=2 sts=2 et cindent: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef WaveShaperNode_h_
michael@0: #define WaveShaperNode_h_
michael@0: 
michael@0: #include "AudioNode.h"
michael@0: #include "mozilla/dom/WaveShaperNodeBinding.h"
michael@0: #include "mozilla/dom/TypedArray.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: 
michael@0: class AudioContext;
michael@0: 
michael@0: class WaveShaperNode : public AudioNode
michael@0: {
michael@0: public:
michael@0:   explicit WaveShaperNode(AudioContext *aContext);
michael@0:   virtual ~WaveShaperNode();
michael@0: 
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0:   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(WaveShaperNode, AudioNode)
michael@0: 
michael@0:   virtual JSObject* WrapObject(JSContext *aCx) MOZ_OVERRIDE;
michael@0: 
michael@0:   void GetCurve(JSContext* aCx, JS::MutableHandle<JSObject*> aRetval) const
michael@0:   {
michael@0:     if (mCurve) {
michael@0:       JS::ExposeObjectToActiveJS(mCurve);
michael@0:     }
michael@0:     aRetval.set(mCurve);
michael@0:   }
michael@0:   void SetCurve(const Nullable<Float32Array>& aData);
michael@0: 
michael@0:   OverSampleType Oversample() const
michael@0:   {
michael@0:     return mType;
michael@0:   }
michael@0:   void SetOversample(OverSampleType aType);
michael@0: 
michael@0:   virtual size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE
michael@0:   {
michael@0:     // Possibly track in the future:
michael@0:     // - mCurve
michael@0:     return AudioNode::SizeOfExcludingThis(aMallocSizeOf);
michael@0:   }
michael@0: 
michael@0:   virtual const char* NodeType() const
michael@0:   {
michael@0:     return "WaveShaperNode";
michael@0:   }
michael@0: 
michael@0:   virtual size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const MOZ_OVERRIDE
michael@0:   {
michael@0:     return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
michael@0:   }
michael@0: 
michael@0: private:
michael@0:   void ClearCurve();
michael@0: 
michael@0: private:
michael@0:   JS::Heap<JSObject*> mCurve;
michael@0:   OverSampleType mType;
michael@0: };
michael@0: 
michael@0: }
michael@0: }
michael@0: 
michael@0: #endif