SapiService.h (1544B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef mozilla_dom_SapiService_h 8 #define mozilla_dom_SapiService_h 9 10 // sapi.h's includes need windows.h on MinGW 11 // clang-format off 12 #include <windows.h> 13 #include <sapi.h> 14 // clang-format on 15 16 #include "mozilla/StaticPtr.h" 17 #include "nsIObserver.h" 18 #include "nsISpeechService.h" 19 #include "nsRefPtrHashtable.h" 20 #include "nsTArray.h" 21 22 class nsISynthVoiceRegistry; 23 24 namespace mozilla::dom { 25 26 class SapiCallback; 27 28 class SapiService final : public nsISpeechService, public nsIObserver { 29 public: 30 NS_DECL_ISUPPORTS 31 NS_DECL_NSISPEECHSERVICE 32 NS_DECL_NSIOBSERVER 33 34 SapiService(); 35 bool Init(); 36 37 static SapiService* GetInstance(); 38 static already_AddRefed<SapiService> GetInstanceForService(); 39 40 static void __stdcall SpeechEventCallback(WPARAM aWParam, LPARAM aLParam); 41 42 private: 43 virtual ~SapiService(); 44 45 already_AddRefed<ISpVoice> InitSapiInstance(); 46 bool RegisterVoices(); 47 bool RegisterVoices(nsCOMPtr<nsISynthVoiceRegistry>& registry, 48 const WCHAR* categoryId); 49 50 nsRefPtrHashtable<nsStringHashKey, ISpObjectToken> mVoices; 51 nsTArray<RefPtr<SapiCallback>> mCallbacks; 52 53 bool mInitialized; 54 55 static StaticRefPtr<SapiService> sSingleton; 56 }; 57 58 } // namespace mozilla::dom 59 60 #endif