import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/media/webspeech/recognition/SpeechRecognitionResultList.cpp

@@ -0,0 +1,71 @@
+/* -*- 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/. */
+
+#include "SpeechRecognitionResultList.h"
+
+#include "mozilla/dom/SpeechRecognitionResultListBinding.h"
+
+#include "SpeechRecognition.h"
+
+namespace mozilla {
+namespace dom {
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(SpeechRecognitionResultList, mParent, mItems)
+NS_IMPL_CYCLE_COLLECTING_ADDREF(SpeechRecognitionResultList)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(SpeechRecognitionResultList)
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(SpeechRecognitionResultList)
+  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+  NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+SpeechRecognitionResultList::SpeechRecognitionResultList(SpeechRecognition* aParent)
+  : mParent(aParent)
+{
+}
+
+SpeechRecognitionResultList::~SpeechRecognitionResultList()
+{
+}
+
+nsISupports*
+SpeechRecognitionResultList::GetParentObject() const
+{
+  return static_cast<DOMEventTargetHelper*>(mParent.get());
+}
+
+JSObject*
+SpeechRecognitionResultList::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
+{
+  return SpeechRecognitionResultListBinding::Wrap(aCx, this, aGivenProto);
+}
+
+already_AddRefed<SpeechRecognitionResult>
+SpeechRecognitionResultList::IndexedGetter(uint32_t aIndex, bool& aPresent)
+{
+  if (aIndex >= Length()) {
+    aPresent = false;
+    return nullptr;
+  }
+
+  aPresent = true;
+  return Item(aIndex);
+}
+
+uint32_t
+SpeechRecognitionResultList::Length() const
+{
+  return mItems.Length();
+}
+
+already_AddRefed<SpeechRecognitionResult>
+SpeechRecognitionResultList::Item(uint32_t aIndex)
+{
+  RefPtr<SpeechRecognitionResult> result = mItems.ElementAt(aIndex);
+  return result.forget();
+}
+
+} // namespace dom
+} // namespace mozilla