import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

dom/media/webspeech/synth/nsSynthVoiceRegistry.h

@@ -0,0 +1,109 @@
+/* -*- 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/. */
+
+#ifndef mozilla_dom_nsSynthVoiceRegistry_h
+#define mozilla_dom_nsSynthVoiceRegistry_h
+
+#include "nsISynthVoiceRegistry.h"
+#include "nsRefPtrHashtable.h"
+#include "nsTArray.h"
+#include "MediaStreamGraph.h"
+
+class nsISpeechService;
+
+namespace mozilla {
+namespace dom {
+
+class RemoteVoice;
+class SpeechSynthesisUtterance;
+class SpeechSynthesisChild;
+class nsSpeechTask;
+class VoiceData;
+class GlobalQueueItem;
+
+class nsSynthVoiceRegistry final : public nsISynthVoiceRegistry
+{
+public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSISYNTHVOICEREGISTRY
+
+  nsSynthVoiceRegistry();
+
+  already_AddRefed<nsSpeechTask> SpeakUtterance(SpeechSynthesisUtterance& aUtterance,
+                                                const nsAString& aDocLang);
+
+  void Speak(const nsAString& aText, const nsAString& aLang,
+             const nsAString& aUri, const float& aVolume,  const float& aRate,
+             const float& aPitch, nsSpeechTask* aTask);
+
+  void SendVoicesAndState(InfallibleTArray<RemoteVoice>* aVoices,
+                          InfallibleTArray<nsString>* aDefaults,
+                          bool* aIsSpeaking);
+
+  void SpeakNext();
+
+  void ResumeQueue();
+
+  bool IsSpeaking();
+
+  void SetIsSpeaking(bool aIsSpeaking);
+
+  static nsSynthVoiceRegistry* GetInstance();
+
+  static already_AddRefed<nsSynthVoiceRegistry> GetInstanceForService();
+
+  static void RecvRemoveVoice(const nsAString& aUri);
+
+  static void RecvAddVoice(const RemoteVoice& aVoice);
+
+  static void RecvSetDefaultVoice(const nsAString& aUri, bool aIsDefault);
+
+  static void RecvIsSpeakingChanged(bool aIsSpeaking);
+
+  static void RecvNotifyVoicesChanged();
+
+  static void Shutdown();
+
+private:
+  virtual ~nsSynthVoiceRegistry();
+
+  VoiceData* FindBestMatch(const nsAString& aUri, const nsAString& lang);
+
+  bool FindVoiceByLang(const nsAString& aLang, VoiceData** aRetval);
+
+  nsresult AddVoiceImpl(nsISpeechService* aService,
+                        const nsAString& aUri,
+                        const nsAString& aName,
+                        const nsAString& aLang,
+                        bool aLocalService,
+                        bool aQueuesUtterances);
+
+  void SpeakImpl(VoiceData* aVoice,
+                 nsSpeechTask* aTask,
+                 const nsAString& aText,
+                 const float& aVolume,
+                 const float& aRate,
+                 const float& aPitch);
+
+  nsTArray<RefPtr<VoiceData>> mVoices;
+
+  nsTArray<RefPtr<VoiceData>> mDefaultVoices;
+
+  nsRefPtrHashtable<nsStringHashKey, VoiceData> mUriVoiceMap;
+
+  SpeechSynthesisChild* mSpeechSynthChild;
+
+  bool mUseGlobalQueue;
+
+  nsTArray<RefPtr<GlobalQueueItem>> mGlobalQueue;
+
+  bool mIsSpeaking;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif