Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim:set ts=2 sw=2 sts=2 et cindent: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #ifndef WaveShaperNode_h_
       8             : #define WaveShaperNode_h_
       9             : 
      10             : #include "AudioNode.h"
      11             : #include "mozilla/dom/WaveShaperNodeBinding.h"
      12             : #include "mozilla/dom/TypedArray.h"
      13             : 
      14             : namespace mozilla {
      15             : namespace dom {
      16             : 
      17             : class AudioContext;
      18             : struct WaveShaperOptions;
      19             : 
      20             : class WaveShaperNode final : public AudioNode
      21             : {
      22             : public:
      23             :   static already_AddRefed<WaveShaperNode>
      24             :   Create(AudioContext& aAudioContext, const WaveShaperOptions& aOptions,
      25             :          ErrorResult& aRv);
      26             : 
      27             :   NS_DECL_ISUPPORTS_INHERITED
      28           0 :   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(WaveShaperNode, AudioNode)
      29             : 
      30             :   static already_AddRefed<WaveShaperNode>
      31           0 :   Constructor(const GlobalObject& aGlobal, AudioContext& aAudioContext,
      32             :               const WaveShaperOptions& aOptions, ErrorResult& aRv)
      33             :   {
      34           0 :     return Create(aAudioContext, aOptions, aRv);
      35             :   }
      36             : 
      37             :   JSObject* WrapObject(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;
      38             : 
      39             :   void GetCurve(JSContext* aCx, JS::MutableHandle<JSObject*> aRetval);
      40             :   void SetCurve(const Nullable<Float32Array>& aData, ErrorResult& aRv);
      41             : 
      42           0 :   OverSampleType Oversample() const
      43             :   {
      44           0 :     return mType;
      45             :   }
      46             :   void SetOversample(OverSampleType aType);
      47             : 
      48           0 :   size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override
      49             :   {
      50             :     // Possibly track in the future:
      51             :     // - mCurve
      52           0 :     return AudioNode::SizeOfExcludingThis(aMallocSizeOf);
      53             :   }
      54             : 
      55           0 :   const char* NodeType() const override
      56             :   {
      57           0 :     return "WaveShaperNode";
      58             :   }
      59             : 
      60           0 :   size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override
      61             :   {
      62           0 :     return aMallocSizeOf(this) + SizeOfExcludingThis(aMallocSizeOf);
      63             :   }
      64             : 
      65             : private:
      66             :   explicit WaveShaperNode(AudioContext *aContext);
      67           0 :   ~WaveShaperNode() = default;
      68             : 
      69             :   void SetCurveInternal(const nsTArray<float>& aCurve,
      70             :                         ErrorResult& aRv);
      71             :   void CleanCurveInternal();
      72             : 
      73             :   void SendCurveToStream();
      74             : 
      75             :   nsTArray<float> mCurve;
      76             :   OverSampleType mType;
      77             : };
      78             : 
      79             : } // namespace dom
      80             : } // namespace mozilla
      81             : 
      82             : #endif