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89 lines
2.2 KiB
C++
89 lines
2.2 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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#pragma once
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#include "MediaStreamGraph.h"
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#include "SpeechSynthesisUtterance.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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{
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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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nsSpeechTask(SpeechSynthesisUtterance* aUtterance);
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nsSpeechTask(float aVolume, const nsAString& aText);
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virtual ~nsSpeechTask();
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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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float GetCurrentTime();
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uint32_t GetCurrentCharOffset();
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void SetSpeechSynthesis(SpeechSynthesis* aSpeechSynthesis);
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void SetIndirectAudio(bool aIndirectAudio) { mIndirectAudio = aIndirectAudio; }
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protected:
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virtual nsresult DispatchStartImpl();
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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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nsRefPtr<SpeechSynthesisUtterance> mUtterance;
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float mVolume;
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nsString mText;
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private:
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void End();
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nsRefPtr<SourceMediaStream> mStream;
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nsCOMPtr<nsISpeechTaskCallback> mCallback;
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uint32_t mChannels;
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nsRefPtr<SpeechSynthesis> mSpeechSynthesis;
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bool mIndirectAudio;
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};
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} // namespace dom
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} // namespace mozilla
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