1 files changed, 67 insertions, 0 deletions
diff --git a/dom/encoding/TextEncoder.h b/dom/encoding/TextEncoder.h
new file mode 100644
index 0000000000..662a54adb4
--- /dev/null
+++ b/dom/encoding/TextEncoder.h
@@ -0,0 +1,67 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 mozilla_dom_textencoder_h_
+#define mozilla_dom_textencoder_h_
+
+#include "mozilla/dom/NonRefcountedDOMObject.h"
+#include "mozilla/dom/TextEncoderBinding.h"
+#include "mozilla/dom/TypedArray.h"
+#include "mozilla/Encoding.h"
+
+namespace mozilla {
+class ErrorResult;
+
+namespace dom {
+
+class TextEncoder final : public NonRefcountedDOMObject {
+ public:
+  // The WebIDL constructor.
+
+  static UniquePtr<TextEncoder> Constructor(const GlobalObject& aGlobal) {
+    return MakeUnique<TextEncoder>();
+  }
+
+  TextEncoder() = default;
+
+  virtual ~TextEncoder() = default;
+
+  bool WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto,
+                  JS::MutableHandle<JSObject*> aReflector) {
+    return TextEncoder_Binding::Wrap(aCx, this, aGivenProto, aReflector);
+  }
+
+ public:
+  /**
+   * Return the encoding name.
+   *
+   * @param aEncoding, current encoding.
+   */
+  void GetEncoding(nsACString& aEncoding);
+
+  /**
+   * Encodes incoming code units to utf-8.
+   *
+   * @param aCx        Javascript context.
+   * @param aObj       the wrapper of the TextEncoder
+   * @param aString    already-encoded utf-8 code units to be returned, via
+   *                   UTF8String.
+   * @return JSObject* The Uint8Array wrapped in a JS object.  Returned via
+   *                   the aRetval out param.
+   */
+  void Encode(JSContext* aCx, JS::Handle<JSObject*> aObj,
+              const nsACString& aUtf8String,
+              JS::MutableHandle<JSObject*> aRetval, ErrorResult& aRv);
+
+  void EncodeInto(JSContext* aCx, JS::Handle<JSString*> aSrc,
+                  const Uint8Array& aDst, TextEncoderEncodeIntoResult& aResult,
+                  OOMReporter& aError);
+};
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif  // mozilla_dom_textencoder_h_