michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim:set ts=2 sw=2 sts=2 et cindent: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef mozilla_dom_nsSpeechTask_h
michael@0: #define mozilla_dom_nsSpeechTask_h
michael@0: 
michael@0: #include "MediaStreamGraph.h"
michael@0: #include "SpeechSynthesisUtterance.h"
michael@0: #include "nsISpeechService.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: 
michael@0: class SpeechSynthesisUtterance;
michael@0: class SpeechSynthesis;
michael@0: class SynthStreamListener;
michael@0: 
michael@0: class nsSpeechTask : public nsISpeechTask
michael@0: {
michael@0:   friend class SynthStreamListener;
michael@0: 
michael@0: public:
michael@0:   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
michael@0:   NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsSpeechTask, nsISpeechTask)
michael@0: 
michael@0:   NS_DECL_NSISPEECHTASK
michael@0: 
michael@0:   nsSpeechTask(SpeechSynthesisUtterance* aUtterance);
michael@0:   nsSpeechTask(float aVolume, const nsAString& aText);
michael@0: 
michael@0:   virtual ~nsSpeechTask();
michael@0: 
michael@0:   virtual void Pause();
michael@0: 
michael@0:   virtual void Resume();
michael@0: 
michael@0:   virtual void Cancel();
michael@0: 
michael@0:   float GetCurrentTime();
michael@0: 
michael@0:   uint32_t GetCurrentCharOffset();
michael@0: 
michael@0:   void SetSpeechSynthesis(SpeechSynthesis* aSpeechSynthesis);
michael@0: 
michael@0:   void SetIndirectAudio(bool aIndirectAudio) { mIndirectAudio = aIndirectAudio; }
michael@0: 
michael@0: protected:
michael@0:   virtual nsresult DispatchStartImpl();
michael@0: 
michael@0:   virtual nsresult DispatchEndImpl(float aElapsedTime, uint32_t aCharIndex);
michael@0: 
michael@0:   virtual nsresult DispatchPauseImpl(float aElapsedTime, uint32_t aCharIndex);
michael@0: 
michael@0:   virtual nsresult DispatchResumeImpl(float aElapsedTime, uint32_t aCharIndex);
michael@0: 
michael@0:   virtual nsresult DispatchErrorImpl(float aElapsedTime, uint32_t aCharIndex);
michael@0: 
michael@0:   virtual nsresult DispatchBoundaryImpl(const nsAString& aName,
michael@0:                                         float aElapsedTime,
michael@0:                                         uint32_t aCharIndex);
michael@0: 
michael@0:   virtual nsresult DispatchMarkImpl(const nsAString& aName,
michael@0:                                     float aElapsedTime, uint32_t aCharIndex);
michael@0: 
michael@0:   nsRefPtr<SpeechSynthesisUtterance> mUtterance;
michael@0: 
michael@0:   float mVolume;
michael@0: 
michael@0:   nsString mText;
michael@0: 
michael@0: private:
michael@0:   void End();
michael@0: 
michael@0:   void SendAudioImpl(int16_t* aData, uint32_t aDataLen);
michael@0: 
michael@0:   nsRefPtr<SourceMediaStream> mStream;
michael@0: 
michael@0:   nsCOMPtr<nsISpeechTaskCallback> mCallback;
michael@0: 
michael@0:   uint32_t mChannels;
michael@0: 
michael@0:   nsRefPtr<SpeechSynthesis> mSpeechSynthesis;
michael@0: 
michael@0:   bool mIndirectAudio;
michael@0: };
michael@0: 
michael@0: } // namespace dom
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif