1 files changed, 74 insertions, 0 deletions
diff --git a/dom/media/webaudio/StereoPannerNode.h b/dom/media/webaudio/StereoPannerNode.h
new file mode 100644
index 0000000000..9dc7370fd1
--- /dev/null
+++ b/dom/media/webaudio/StereoPannerNode.h
@@ -0,0 +1,74 @@
+/* -*- 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 StereoPannerNode_h_
+#define StereoPannerNode_h_
+
+#include "AudioNode.h"
+#include "nsPrintfCString.h"
+#include "mozilla/RefCounted.h"
+#include "mozilla/dom/StereoPannerNodeBinding.h"
+
+namespace mozilla::dom {
+
+class AudioContext;
+struct StereoPannerOptions;
+
+class StereoPannerNode final : public AudioNode {
+ public:
+  static already_AddRefed<StereoPannerNode> Create(
+      AudioContext& aAudioContext, const StereoPannerOptions& aOptions,
+      ErrorResult& aRv);
+
+  MOZ_DECLARE_REFCOUNTED_TYPENAME(StereoPannerNode)
+
+  static already_AddRefed<StereoPannerNode> Constructor(
+      const GlobalObject& aGlobal, AudioContext& aAudioContext,
+      const StereoPannerOptions& aOptions, ErrorResult& aRv) {
+    return Create(aAudioContext, aOptions, aRv);
+  }
+
+  virtual JSObject* WrapObject(JSContext* aCx,
+                               JS::Handle<JSObject*> aGivenProto) override;
+
+  virtual void SetChannelCount(uint32_t aChannelCount,
+                               ErrorResult& aRv) override {
+    if (aChannelCount > 2) {
+      aRv.ThrowNotSupportedError(
+          nsPrintfCString("%u is greater than 2", aChannelCount));
+      return;
+    }
+    AudioNode::SetChannelCount(aChannelCount, aRv);
+  }
+  virtual void SetChannelCountModeValue(ChannelCountMode aMode,
+                                        ErrorResult& aRv) override {
+    if (aMode == ChannelCountMode::Max) {
+      aRv.ThrowNotSupportedError("Cannot set channel count mode to \"max\"");
+      return;
+    }
+    AudioNode::SetChannelCountModeValue(aMode, aRv);
+  }
+
+  AudioParam* Pan() const { return mPan; }
+
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(StereoPannerNode, AudioNode)
+
+  virtual const char* NodeType() const override { return "StereoPannerNode"; }
+
+  virtual size_t SizeOfExcludingThis(MallocSizeOf aMallocSizeOf) const override;
+  virtual size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const override;
+
+ private:
+  explicit StereoPannerNode(AudioContext* aContext);
+  ~StereoPannerNode() = default;
+
+  RefPtr<AudioParam> mPan;
+};
+
+}  // namespace mozilla::dom
+
+#endif