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3b0eec544f
MozReview-Commit-ID: 7BAJaqMtVUE --HG-- extra : rebase_source : bf3289d1fb7909ef5dbacca410142775d2115578
86 lines
1.9 KiB
C++
86 lines
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_SpeechSynthesis_h
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#define mozilla_dom_SpeechSynthesis_h
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#include "nsCOMPtr.h"
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#include "nsIObserver.h"
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#include "nsRefPtrHashtable.h"
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#include "nsString.h"
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#include "nsWeakReference.h"
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#include "nsWrapperCache.h"
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#include "js/TypeDecls.h"
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#include "SpeechSynthesisUtterance.h"
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#include "SpeechSynthesisVoice.h"
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class nsIDOMWindow;
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namespace mozilla {
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namespace dom {
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class nsSpeechTask;
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class SpeechSynthesis final : public DOMEventTargetHelper
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, public nsIObserver
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, public nsSupportsWeakReference
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{
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public:
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explicit SpeechSynthesis(nsPIDOMWindowInner* aParent);
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(SpeechSynthesis, DOMEventTargetHelper)
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NS_DECL_NSIOBSERVER
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JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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bool Pending() const;
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bool Speaking() const;
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bool Paused() const;
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bool HasEmptyQueue() const;
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void Speak(SpeechSynthesisUtterance& aUtterance);
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void Cancel();
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void Pause();
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void Resume();
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void OnEnd(const nsSpeechTask* aTask);
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void GetVoices(nsTArray< RefPtr<SpeechSynthesisVoice> >& aResult);
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void ForceEnd();
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IMPL_EVENT_HANDLER(voiceschanged)
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private:
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virtual ~SpeechSynthesis();
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void AdvanceQueue();
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bool HasVoices() const;
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nsTArray<RefPtr<SpeechSynthesisUtterance> > mSpeechQueue;
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RefPtr<nsSpeechTask> mCurrentTask;
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nsRefPtrHashtable<nsStringHashKey, SpeechSynthesisVoice> mVoiceCache;
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bool mHoldQueue;
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uint64_t mInnerID;
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};
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} // namespace dom
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} // namespace mozilla
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#endif
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