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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#ifndef mozilla_dom_SapiService_h
#define mozilla_dom_SapiService_h
#include "nsISpeechService.h"
#include "nsIObserver.h"
#include "nsRefPtrHashtable.h"
#include "nsTArray.h"
#include "mozilla/StaticPtr.h"
#include <windows.h>
#include <sapi.h>
class nsISynthVoiceRegistry;
namespace mozilla::dom {
class SapiCallback;
class SapiService final : public nsISpeechService, public nsIObserver {
public:
NS_DECL_ISUPPORTS
NS_DECL_NSISPEECHSERVICE
NS_DECL_NSIOBSERVER
SapiService();
bool Init();
static SapiService* GetInstance();
static already_AddRefed<SapiService> GetInstanceForService();
static void __stdcall SpeechEventCallback(WPARAM aWParam, LPARAM aLParam);
private:
virtual ~SapiService();
already_AddRefed<ISpVoice> InitSapiInstance();
bool RegisterVoices();
bool RegisterVoices(nsCOMPtr<nsISynthVoiceRegistry>& registry,
const WCHAR* categoryId);
nsRefPtrHashtable<nsStringHashKey, ISpObjectToken> mVoices;
nsTArray<RefPtr<SapiCallback>> mCallbacks;
bool mInitialized;
static StaticRefPtr<SapiService> sSingleton;
};
} // namespace mozilla::dom
#endif
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