mirror of
https://github.com/classilla/tenfourfox.git
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137 lines
3.1 KiB
C++
137 lines
3.1 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_nsSpeechTask_h
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#define mozilla_dom_nsSpeechTask_h
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#include "MediaStreamGraph.h"
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#include "SpeechSynthesisUtterance.h"
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#include "nsIAudioChannelAgent.h"
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#include "nsISpeechService.h"
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namespace mozilla {
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namespace dom {
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class SpeechSynthesisUtterance;
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class SpeechSynthesis;
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class SynthStreamListener;
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class nsSpeechTask : public nsISpeechTask
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, public nsIAudioChannelAgentCallback
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, public nsSupportsWeakReference
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{
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friend class SynthStreamListener;
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsSpeechTask, nsISpeechTask)
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NS_DECL_NSISPEECHTASK
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NS_DECL_NSIAUDIOCHANNELAGENTCALLBACK
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explicit nsSpeechTask(SpeechSynthesisUtterance* aUtterance);
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nsSpeechTask(float aVolume, const nsAString& aText);
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virtual void Pause();
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virtual void Resume();
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virtual void Cancel();
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virtual void ForceEnd();
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float GetCurrentTime();
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uint32_t GetCurrentCharOffset();
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void SetSpeechSynthesis(SpeechSynthesis* aSpeechSynthesis);
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void InitDirectAudio();
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void InitIndirectAudio();
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void SetChosenVoiceURI(const nsAString& aUri);
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virtual void SetAudioOutputVolume(float aVolume);
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bool IsPreCanceled()
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{
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return mPreCanceled;
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};
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bool IsPrePaused()
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{
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return mPrePaused;
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}
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protected:
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virtual ~nsSpeechTask();
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nsresult DispatchStartImpl();
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virtual nsresult DispatchStartImpl(const nsAString& aUri);
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virtual nsresult DispatchEndImpl(float aElapsedTime, uint32_t aCharIndex);
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virtual nsresult DispatchPauseImpl(float aElapsedTime, uint32_t aCharIndex);
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virtual nsresult DispatchResumeImpl(float aElapsedTime, uint32_t aCharIndex);
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virtual nsresult DispatchErrorImpl(float aElapsedTime, uint32_t aCharIndex);
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virtual nsresult DispatchBoundaryImpl(const nsAString& aName,
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float aElapsedTime,
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uint32_t aCharIndex);
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virtual nsresult DispatchMarkImpl(const nsAString& aName,
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float aElapsedTime, uint32_t aCharIndex);
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RefPtr<SpeechSynthesisUtterance> mUtterance;
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float mVolume;
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nsString mText;
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bool mInited;
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bool mPrePaused;
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bool mPreCanceled;
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private:
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void End();
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void SendAudioImpl(RefPtr<mozilla::SharedBuffer>& aSamples, uint32_t aDataLen);
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nsresult DispatchStartInner();
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nsresult DispatchEndInner(float aElapsedTime, uint32_t aCharIndex);
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void CreateAudioChannelAgent();
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void DestroyAudioChannelAgent();
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RefPtr<SourceMediaStream> mStream;
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RefPtr<MediaInputPort> mPort;
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nsCOMPtr<nsISpeechTaskCallback> mCallback;
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nsCOMPtr<nsIAudioChannelAgent> mAudioChannelAgent;
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uint32_t mChannels;
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RefPtr<SpeechSynthesis> mSpeechSynthesis;
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bool mIndirectAudio;
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nsString mChosenVoiceURI;
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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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