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

75 lines
1.7 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 "nsString.h"
#include "nsWrapperCache.h"
#include "nsRefPtrHashtable.h"
#include "EnableSpeechSynthesisCheck.h"
#include "SpeechSynthesisUtterance.h"
#include "SpeechSynthesisVoice.h"
struct JSContext;
class nsIDOMWindow;
namespace mozilla {
namespace dom {
class nsSpeechTask;
class SpeechSynthesis MOZ_FINAL : public nsISupports,
public nsWrapperCache,
public EnableSpeechSynthesisCheck
{
public:
SpeechSynthesis(nsPIDOMWindow* aParent);
virtual ~SpeechSynthesis();
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(SpeechSynthesis)
nsIDOMWindow* GetParentObject() const;
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aScope) MOZ_OVERRIDE;
bool Pending() const;
bool Speaking() const;
bool Paused() const;
void Speak(SpeechSynthesisUtterance& aUtterance);
void Cancel();
void Pause();
void Resume();
void OnEnd(const nsSpeechTask* aTask);
void GetVoices(nsTArray< nsRefPtr<SpeechSynthesisVoice> >& aResult);
private:
void AdvanceQueue();
nsCOMPtr<nsPIDOMWindow> mParent;
nsTArray<nsRefPtr<SpeechSynthesisUtterance> > mSpeechQueue;
nsRefPtr<nsSpeechTask> mCurrentTask;
nsRefPtrHashtable<nsStringHashKey, SpeechSynthesisVoice> mVoiceCache;
};
} // namespace dom
} // namespace mozilla