import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/media/webaudio/PeriodicWave.h

@@ -0,0 +1,70 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef PeriodicWave_h_
+#define PeriodicWave_h_
+
+#include "nsWrapperCache.h"
+#include "nsCycleCollectionParticipant.h"
+#include "mozilla/Attributes.h"
+#include "AudioContext.h"
+#include "AudioNodeEngine.h"
+
+namespace mozilla {
+
+namespace dom {
+
+class PeriodicWave final : public nsWrapperCache
+{
+public:
+  PeriodicWave(AudioContext* aContext,
+               const float* aRealData,
+               const float* aImagData,
+               const uint32_t aLength,
+               const bool aDisableNormalization,
+               ErrorResult& aRv);
+
+  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(PeriodicWave)
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(PeriodicWave)
+
+  AudioContext* GetParentObject() const
+  {
+    return mContext;
+  }
+
+  JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+  uint32_t DataLength() const
+  {
+    return mLength;
+  }
+
+  bool DisableNormalization() const
+  {
+    return mDisableNormalization;
+  }
+
+  ThreadSharedFloatArrayBufferList* GetThreadSharedBuffer() const
+  {
+    return mCoefficients;
+  }
+
+  size_t SizeOfExcludingThisIfNotShared(MallocSizeOf aMallocSizeOf) const;
+  size_t SizeOfIncludingThisIfNotShared(MallocSizeOf aMallocSizeOf) const;
+
+private:
+  ~PeriodicWave() {}
+
+  RefPtr<AudioContext> mContext;
+  RefPtr<ThreadSharedFloatArrayBufferList> mCoefficients;
+  uint32_t mLength;
+  bool mDisableNormalization;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif