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SpeechGrammarList.cpp (2712B)

      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 "SpeechGrammarList.h"
      8 
      9 #include "SpeechRecognition.h"
     10 #include "mozilla/ErrorResult.h"
     11 #include "mozilla/dom/SpeechGrammar.h"
     12 #include "mozilla/dom/SpeechGrammarListBinding.h"
     13 #include "nsCOMPtr.h"
     14 
     15 namespace mozilla::dom {
     16 
     17 NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(SpeechGrammarList, mParent, mItems)
     18 NS_IMPL_CYCLE_COLLECTING_ADDREF(SpeechGrammarList)
     19 NS_IMPL_CYCLE_COLLECTING_RELEASE(SpeechGrammarList)
     20 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(SpeechGrammarList)
     21  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
     22  NS_INTERFACE_MAP_ENTRY(nsISupports)
     23 NS_INTERFACE_MAP_END
     24 
     25 SpeechGrammarList::SpeechGrammarList(nsISupports* aParent) : mParent(aParent) {}
     26 
     27 SpeechGrammarList::~SpeechGrammarList() = default;
     28 
     29 already_AddRefed<SpeechGrammarList> SpeechGrammarList::Constructor(
     30    const GlobalObject& aGlobal) {
     31  RefPtr<SpeechGrammarList> speechGrammarList =
     32      new SpeechGrammarList(aGlobal.GetAsSupports());
     33  return speechGrammarList.forget();
     34 }
     35 
     36 JSObject* SpeechGrammarList::WrapObject(JSContext* aCx,
     37                                        JS::Handle<JSObject*> aGivenProto) {
     38  return SpeechGrammarList_Binding::Wrap(aCx, this, aGivenProto);
     39 }
     40 
     41 nsISupports* SpeechGrammarList::GetParentObject() const { return mParent; }
     42 
     43 uint32_t SpeechGrammarList::Length() const { return mItems.Length(); }
     44 
     45 already_AddRefed<SpeechGrammar> SpeechGrammarList::Item(uint32_t aIndex,
     46                                                        ErrorResult& aRv) {
     47  RefPtr<SpeechGrammar> result = mItems.ElementAt(aIndex);
     48  return result.forget();
     49 }
     50 
     51 void SpeechGrammarList::AddFromURI(const nsAString& aSrc,
     52                                   const Optional<float>& aWeight,
     53                                   ErrorResult& aRv) {
     54  aRv.Throw(NS_ERROR_NOT_IMPLEMENTED);
     55 }
     56 
     57 void SpeechGrammarList::AddFromString(const nsAString& aString,
     58                                      const Optional<float>& aWeight,
     59                                      ErrorResult& aRv) {
     60  SpeechGrammar* speechGrammar = new SpeechGrammar(mParent);
     61  speechGrammar->SetSrc(aString, aRv);
     62  mItems.AppendElement(speechGrammar);
     63 }
     64 
     65 already_AddRefed<SpeechGrammar> SpeechGrammarList::IndexedGetter(
     66    uint32_t aIndex, bool& aPresent, ErrorResult& aRv) {
     67  if (aIndex >= Length()) {
     68    aPresent = false;
     69    return nullptr;
     70  }
     71  ErrorResult rv;
     72  aPresent = true;
     73  return Item(aIndex, rv);
     74 }
     75 
     76 }  // namespace mozilla::dom