dom/media/webspeech/recognition/SpeechRecognitionResult.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim:set ts=2 sw=2 sts=2 et cindent: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "SpeechRecognitionResult.h"
   8 #include "mozilla/dom/SpeechRecognitionResultBinding.h"
   9
  10 #include "SpeechRecognition.h"
  11
  12 namespace mozilla::dom {
  13
  14 NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(SpeechRecognitionResult, mParent)
  15 NS_IMPL_CYCLE_COLLECTING_ADDREF(SpeechRecognitionResult)
  16 NS_IMPL_CYCLE_COLLECTING_RELEASE(SpeechRecognitionResult)
  17 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(SpeechRecognitionResult)
  18   NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
  19   NS_INTERFACE_MAP_ENTRY(nsISupports)
  20 NS_INTERFACE_MAP_END
  21
  22 SpeechRecognitionResult::SpeechRecognitionResult(SpeechRecognition* aParent)
  23     : mParent(aParent) {}
  24
  25 SpeechRecognitionResult::~SpeechRecognitionResult() = default;
  26
  27 JSObject* SpeechRecognitionResult::WrapObject(
  28     JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
  29   return SpeechRecognitionResult_Binding::Wrap(aCx, this, aGivenProto);
  30 }
  31
  32 nsISupports* SpeechRecognitionResult::GetParentObject() const {
  33   return static_cast<EventTarget*>(mParent.get());
  34 }
  35
  36 already_AddRefed<SpeechRecognitionAlternative>
  37 SpeechRecognitionResult::IndexedGetter(uint32_t aIndex, bool& aPresent) {
  38   if (aIndex >= Length()) {
  39     aPresent = false;
  40     return nullptr;
  41   }
  42
  43   aPresent = true;
  44   return Item(aIndex);
  45 }
  46
  47 uint32_t SpeechRecognitionResult::Length() const { return mItems.Length(); }
  48
  49 already_AddRefed<SpeechRecognitionAlternative> SpeechRecognitionResult::Item(
  50     uint32_t aIndex) {
  51   RefPtr<SpeechRecognitionAlternative> alternative = mItems.ElementAt(aIndex);
  52   return alternative.forget();
  53 }
  54
  55 bool SpeechRecognitionResult::IsFinal() const {
  56   return true;  // TODO
  57 }
  58
  59 }  // namespace mozilla::dom