1 files changed, 57 insertions, 0 deletions
diff --git a/dom/media/webspeech/synth/windows/SapiService.h b/dom/media/webspeech/synth/windows/SapiService.h
new file mode 100644
index 0000000000..79cc20917b
--- /dev/null
+++ b/dom/media/webspeech/synth/windows/SapiService.h
@@ -0,0 +1,57 @@
+/* -*- 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