1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/content/media/webspeech/synth/nsSpeechTask.h Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,93 @@ 1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 1.5 +/* vim:set ts=2 sw=2 sts=2 et cindent: */ 1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public 1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this 1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 1.9 + 1.10 +#ifndef mozilla_dom_nsSpeechTask_h 1.11 +#define mozilla_dom_nsSpeechTask_h 1.12 + 1.13 +#include "MediaStreamGraph.h" 1.14 +#include "SpeechSynthesisUtterance.h" 1.15 +#include "nsISpeechService.h" 1.16 + 1.17 +namespace mozilla { 1.18 +namespace dom { 1.19 + 1.20 +class SpeechSynthesisUtterance; 1.21 +class SpeechSynthesis; 1.22 +class SynthStreamListener; 1.23 + 1.24 +class nsSpeechTask : public nsISpeechTask 1.25 +{ 1.26 + friend class SynthStreamListener; 1.27 + 1.28 +public: 1.29 + NS_DECL_CYCLE_COLLECTING_ISUPPORTS 1.30 + NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsSpeechTask, nsISpeechTask) 1.31 + 1.32 + NS_DECL_NSISPEECHTASK 1.33 + 1.34 + nsSpeechTask(SpeechSynthesisUtterance* aUtterance); 1.35 + nsSpeechTask(float aVolume, const nsAString& aText); 1.36 + 1.37 + virtual ~nsSpeechTask(); 1.38 + 1.39 + virtual void Pause(); 1.40 + 1.41 + virtual void Resume(); 1.42 + 1.43 + virtual void Cancel(); 1.44 + 1.45 + float GetCurrentTime(); 1.46 + 1.47 + uint32_t GetCurrentCharOffset(); 1.48 + 1.49 + void SetSpeechSynthesis(SpeechSynthesis* aSpeechSynthesis); 1.50 + 1.51 + void SetIndirectAudio(bool aIndirectAudio) { mIndirectAudio = aIndirectAudio; } 1.52 + 1.53 +protected: 1.54 + virtual nsresult DispatchStartImpl(); 1.55 + 1.56 + virtual nsresult DispatchEndImpl(float aElapsedTime, uint32_t aCharIndex); 1.57 + 1.58 + virtual nsresult DispatchPauseImpl(float aElapsedTime, uint32_t aCharIndex); 1.59 + 1.60 + virtual nsresult DispatchResumeImpl(float aElapsedTime, uint32_t aCharIndex); 1.61 + 1.62 + virtual nsresult DispatchErrorImpl(float aElapsedTime, uint32_t aCharIndex); 1.63 + 1.64 + virtual nsresult DispatchBoundaryImpl(const nsAString& aName, 1.65 + float aElapsedTime, 1.66 + uint32_t aCharIndex); 1.67 + 1.68 + virtual nsresult DispatchMarkImpl(const nsAString& aName, 1.69 + float aElapsedTime, uint32_t aCharIndex); 1.70 + 1.71 + nsRefPtr<SpeechSynthesisUtterance> mUtterance; 1.72 + 1.73 + float mVolume; 1.74 + 1.75 + nsString mText; 1.76 + 1.77 +private: 1.78 + void End(); 1.79 + 1.80 + void SendAudioImpl(int16_t* aData, uint32_t aDataLen); 1.81 + 1.82 + nsRefPtr<SourceMediaStream> mStream; 1.83 + 1.84 + nsCOMPtr<nsISpeechTaskCallback> mCallback; 1.85 + 1.86 + uint32_t mChannels; 1.87 + 1.88 + nsRefPtr<SpeechSynthesis> mSpeechSynthesis; 1.89 + 1.90 + bool mIndirectAudio; 1.91 +}; 1.92 + 1.93 +} // namespace dom 1.94 +} // namespace mozilla 1.95 + 1.96 +#endif