gecko/content/media/webspeech/synth/SpeechSynthesisUtterance.h

120 lines
2.7 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#pragma once
#include "nsCOMPtr.h"
#include "nsDOMEventTargetHelper.h"
#include "nsString.h"
#include "EnableSpeechSynthesisCheck.h"
#include "nsSpeechTask.h"
struct JSContext;
namespace mozilla {
namespace dom {
class SpeechSynthesisVoice;
class SpeechSynthesis;
class nsSynthVoiceRegistry;
class SpeechSynthesisUtterance MOZ_FINAL : public nsDOMEventTargetHelper,
public EnableSpeechSynthesisCheck
{
friend class SpeechSynthesis;
friend class nsSpeechTask;
friend class nsSynthVoiceRegistry;
public:
SpeechSynthesisUtterance(const nsAString& aText);
virtual ~SpeechSynthesisUtterance();
NS_DECL_ISUPPORTS_INHERITED
NS_REALLY_FORWARD_NSIDOMEVENTTARGET(nsDOMEventTargetHelper)
nsISupports* GetParentObject() const;
virtual JSObject* WrapObject(JSContext* aCx, JSObject* aScope);
static
already_AddRefed<SpeechSynthesisUtterance> Constructor(GlobalObject& aGlobal,
ErrorResult& aRv);
static
already_AddRefed<SpeechSynthesisUtterance> Constructor(GlobalObject& aGlobal,
const nsAString& aText,
ErrorResult& aRv);
void GetText(nsString& aResult) const;
void SetText(const nsAString& aText);
void GetLang(nsString& aResult) const;
void SetLang(const nsAString& aLang);
SpeechSynthesisVoice* GetVoice() const;
void SetVoice(SpeechSynthesisVoice* aVoice);
float Volume() const;
void SetVolume(float aVolume);
float Rate() const;
void SetRate(float aRate);
float Pitch() const;
void SetPitch(float aPitch);
enum {
STATE_NONE,
STATE_PENDING,
STATE_SPEAKING,
STATE_ENDED
};
uint32_t GetState() { return mState; }
bool IsPaused() { return mPaused; }
IMPL_EVENT_HANDLER(start)
IMPL_EVENT_HANDLER(end)
IMPL_EVENT_HANDLER(error)
IMPL_EVENT_HANDLER(pause)
IMPL_EVENT_HANDLER(resume)
IMPL_EVENT_HANDLER(mark)
IMPL_EVENT_HANDLER(boundary)
private:
void DispatchSpeechSynthesisEvent(const nsAString& aEventType,
uint32_t aCharIndex,
float aElapsedTime, const nsAString& aName);
nsString mText;
nsString mLang;
float mVolume;
float mRate;
float mPitch;
uint32_t mState;
bool mPaused;
nsRefPtr<SpeechSynthesisVoice> mVoice;
};
} // namespace dom
} // namespace mozilla