1 files changed, 80 insertions, 0 deletions
diff --git a/dom/encoding/TextEncoder.h b/dom/encoding/TextEncoder.h
new file mode 100644
index 000000000..ed08e4023
--- /dev/null
+++ b/dom/encoding/TextEncoder.h
@@ -0,0 +1,80 @@
+/* -*- 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 "nsIUnicodeEncoder.h"
+
+namespace mozilla {
+class ErrorResult;
+
+namespace dom {
+
+class TextEncoder final : public NonRefcountedDOMObject
+{
+public:
+  // The WebIDL constructor.
+
+  static TextEncoder*
+  Constructor(const GlobalObject& aGlobal,
+              ErrorResult& aRv)
+  {
+    nsAutoPtr<TextEncoder> txtEncoder(new TextEncoder());
+    txtEncoder->Init();
+    return txtEncoder.forget();
+  }
+
+  TextEncoder()
+  {
+  }
+
+  virtual
+  ~TextEncoder()
+  {}
+
+  bool WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector)
+  {
+    return TextEncoderBinding::Wrap(aCx, this, aGivenProto, aReflector);
+  }
+
+protected:
+
+  void Init();
+
+public:
+  /**
+   * Return the encoding name.
+   *
+   * @param aEncoding, current encoding.
+   */
+  void GetEncoding(nsAString& aEncoding);
+
+  /**
+   * Encodes incoming utf-16 code units/ DOM string to utf-8.
+   *
+   * @param aCx        Javascript context.
+   * @param aObj       the wrapper of the TextEncoder
+   * @param aString    utf-16 code units to be encoded.
+   * @return JSObject* The Uint8Array wrapped in a JS object.  Returned via
+   *                   the aRetval out param.
+   */
+  void Encode(JSContext* aCx,
+              JS::Handle<JSObject*> aObj,
+              const nsAString& aString,
+              JS::MutableHandle<JSObject*> aRetval,
+              ErrorResult& aRv);
+private:
+  nsCOMPtr<nsIUnicodeEncoder> mEncoder;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_textencoder_h_