manual bind tts player for nui
authorxb.teng <xb.teng@samsung.com>
Thu, 25 May 2017 14:55:18 +0000 (22:55 +0800)
committerxb.teng <xb.teng@samsung.com>
Thu, 25 May 2017 16:55:27 +0000 (00:55 +0800)
Change-Id: Ie98e3833967adfdf98067ffc5e36634283fdc89a

NUISamples/NUISamples/NUISamples.TizenTV/NUISamples.TizenTV.csproj
NUISamples/NUISamples/NUISamples.TizenTV/examples/ttsplayer-test.cs [new file with mode: 0755]
src/Tizen.NUI/Tizen.NUI.csproj
src/Tizen.NUI/src/internal/ManualPINVOKE.cs
src/Tizen.NUI/src/internal/StateChangedSignalType.cs [new file with mode: 0755]
src/Tizen.NUI/src/public/TTSPlayer.cs [new file with mode: 0755]

index d389ee3..e0ac162 100755 (executable)
@@ -72,6 +72,7 @@
     <Compile Include="examples\sibling-order-test.cs" />\r
     <Compile Include="examples\test1.cs" />\r
     <Compile Include="examples\text-test.cs" />\r
+    <Compile Include="examples\ttsplayer-test.cs" />\r
     <Compile Include="examples\user-alphafunction.cs" />\r
     <Compile Include="examples\view-navi-property.cs" />\r
     <Compile Include="examples\date-picker-using-json\ViewRegistryHelper.cs" />\r
diff --git a/NUISamples/NUISamples/NUISamples.TizenTV/examples/ttsplayer-test.cs b/NUISamples/NUISamples/NUISamples.TizenTV/examples/ttsplayer-test.cs
new file mode 100755 (executable)
index 0000000..dfdb90d
--- /dev/null
@@ -0,0 +1,68 @@
+/*
+* Copyright (c) 2016 Samsung Electronics Co., Ltd.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*
+*/
+
+using System;
+using Tizen.NUI;
+
+namespace TTSPlayerTest
+{
+    class Example : NUIApplication
+    {
+        public Example() : base()
+        {
+        }
+
+        public Example(string stylesheet) : base(stylesheet)
+        {
+        }
+
+        public Example(string stylesheet, WindowMode windowMode) : base(stylesheet, windowMode)
+        {
+        }
+
+        protected override void OnCreate()
+        {
+            base.OnCreate();
+            Initialize();
+        }
+
+        public void Initialize()
+        {
+            Window window = Window.Instance;
+            window.BackgroundColor = Color.White;
+
+            TTSPlayer ttsPlayer = TTSPlayer.Get(TTSPlayer.TTSMode.Default);
+            ttsPlayer.Play("tts player test");
+
+            ttsPlayer.StateChanged += (s, e) =>
+            {
+                Tizen.Log.Debug("TTS state changed!!!");
+            };
+            ttsPlayer.Pause();
+            ttsPlayer.Resume();
+            ttsPlayer.Stop();
+            Tizen.Log.Debug("TTS state: " + ttsPlayer.GetState());
+        }
+
+        [STAThread]
+        static void _Main(string[] args)
+        {
+            Example example = new Example();
+            example.Run(args);
+        }
+    }
+}
index 9680f03..7f90f6a 100755 (executable)
     <Compile Include="src\internal\SlotObserver.cs" />\r
     <Compile Include="src\internal\SnapType.cs" />\r
     <Compile Include="src\internal\StageWheelSignal.cs" />\r
+    <Compile Include="src\internal\StateChangedSignalType.cs" />\r
     <Compile Include="src\internal\StencilFunctionType.cs" />\r
     <Compile Include="src\internal\StencilOperationType.cs" />\r
     <Compile Include="src\internal\StringValuePair.cs" />\r
     <Compile Include="src\public\TapGesture.cs" />\r
     <Compile Include="src\public\Timer.cs" />\r
     <Compile Include="src\public\Touch.cs" />\r
+    <Compile Include="src\public\TTSPlayer.cs" />\r
     <Compile Include="src\public\BaseComponents\ImageView.cs" />\r
     <Compile Include="src\public\BaseComponents\TextEditor.cs" />\r
     <Compile Include="src\public\BaseComponents\TextField.cs" />\r
       </FlavorProperties>\r
     </VisualStudio>\r
   </ProjectExtensions>\r
-</Project>
\ No newline at end of file
+</Project>\r
index 6cbe612..86da201 100755 (executable)
@@ -595,5 +595,65 @@ namespace Tizen.NUI
 
         [global::System.Runtime.InteropServices.DllImport("libdali-csharp-binder.so", EntryPoint = "CSharp_HIDDENINPUT_PROPERTY_SHOW_DURATION_get")]
         public static extern int HIDDENINPUT_PROPERTY_SHOW_DURATION_get();
+        [global::System.Runtime.InteropServices.DllImport("libdali-csharp-binder.so", EntryPoint="CSharp_Dali_TtsPlayer_SWIGUpcast")]
+        public static extern global::System.IntPtr TtsPlayer_SWIGUpcast(global::System.IntPtr jarg1);
+
+        [global::System.Runtime.InteropServices.DllImport("libdali-csharp-binder.so", EntryPoint="CSharp_Dali_new_TtsPlayer__SWIG_0")]
+        public static extern global::System.IntPtr new_TtsPlayer__SWIG_0();
+
+        [global::System.Runtime.InteropServices.DllImport("libdali-csharp-binder.so", EntryPoint="CSharp_Dali_TtsPlayer_Get__SWIG_0")]
+        public static extern global::System.IntPtr TtsPlayer_Get__SWIG_0(int jarg1);
+
+        [global::System.Runtime.InteropServices.DllImport("libdali-csharp-binder.so", EntryPoint="CSharp_Dali_TtsPlayer_Get__SWIG_1")]
+        public static extern global::System.IntPtr TtsPlayer_Get__SWIG_1();
+
+        [global::System.Runtime.InteropServices.DllImport("libdali-csharp-binder.so", EntryPoint="CSharp_Dali_delete_TtsPlayer")]
+        public static extern void delete_TtsPlayer(global::System.Runtime.InteropServices.HandleRef jarg1);
+
+        [global::System.Runtime.InteropServices.DllImport("libdali-csharp-binder.so", EntryPoint="CSharp_Dali_new_TtsPlayer__SWIG_1")]
+        public static extern global::System.IntPtr new_TtsPlayer__SWIG_1(global::System.Runtime.InteropServices.HandleRef jarg1);
+
+        [global::System.Runtime.InteropServices.DllImport("libdali-csharp-binder.so", EntryPoint="CSharp_Dali_TtsPlayer_Assign")]
+        public static extern global::System.IntPtr TtsPlayer_Assign(global::System.Runtime.InteropServices.HandleRef jarg1, global::System.Runtime.InteropServices.HandleRef jarg2);
+
+        [global::System.Runtime.InteropServices.DllImport("libdali-csharp-binder.so", EntryPoint="CSharp_Dali_TtsPlayer_Play")]
+        public static extern void TtsPlayer_Play(global::System.Runtime.InteropServices.HandleRef jarg1, string jarg2);
+
+        [global::System.Runtime.InteropServices.DllImport("libdali-csharp-binder.so", EntryPoint="CSharp_Dali_TtsPlayer_Stop")]
+        public static extern void TtsPlayer_Stop(global::System.Runtime.InteropServices.HandleRef jarg1);
+
+        [global::System.Runtime.InteropServices.DllImport("libdali-csharp-binder.so", EntryPoint="CSharp_Dali_TtsPlayer_Pause")]
+        public static extern void TtsPlayer_Pause(global::System.Runtime.InteropServices.HandleRef jarg1);
+
+        [global::System.Runtime.InteropServices.DllImport("libdali-csharp-binder.so", EntryPoint="CSharp_Dali_TtsPlayer_Resume")]
+        public static extern void TtsPlayer_Resume(global::System.Runtime.InteropServices.HandleRef jarg1);
+
+        [global::System.Runtime.InteropServices.DllImport("libdali-csharp-binder.so", EntryPoint="CSharp_Dali_TtsPlayer_GetState")]
+        public static extern int TtsPlayer_GetState(global::System.Runtime.InteropServices.HandleRef jarg1);
+
+        [global::System.Runtime.InteropServices.DllImport("libdali-csharp-binder.so", EntryPoint="CSharp_Dali_TtsPlayer_StateChangedSignal")]
+        public static extern global::System.IntPtr TtsPlayer_StateChangedSignal(global::System.Runtime.InteropServices.HandleRef jarg1);
+
+        [global::System.Runtime.InteropServices.DllImport("libdali-csharp-binder.so", EntryPoint="CSharp_Dali_StateChangedSignalType_Empty")]
+        public static extern bool StateChangedSignalType_Empty(global::System.Runtime.InteropServices.HandleRef jarg1);
+
+        [global::System.Runtime.InteropServices.DllImport("libdali-csharp-binder.so", EntryPoint="CSharp_Dali_StateChangedSignalType_GetConnectionCount")]
+        public static extern uint StateChangedSignalType_GetConnectionCount(global::System.Runtime.InteropServices.HandleRef jarg1);
+
+        [global::System.Runtime.InteropServices.DllImport("libdali-csharp-binder.so", EntryPoint="CSharp_Dali_StateChangedSignalType_Connect")]
+        public static extern void StateChangedSignalType_Connect(global::System.Runtime.InteropServices.HandleRef jarg1, global::System.Runtime.InteropServices.HandleRef jarg2);
+
+        [global::System.Runtime.InteropServices.DllImport("libdali-csharp-binder.so", EntryPoint="CSharp_Dali_StateChangedSignalType_Disconnect")]
+        public static extern void StateChangedSignalType_Disconnect(global::System.Runtime.InteropServices.HandleRef jarg1, global::System.Runtime.InteropServices.HandleRef jarg2);
+
+        [global::System.Runtime.InteropServices.DllImport("libdali-csharp-binder.so", EntryPoint="CSharp_Dali_StateChangedSignalType_Emit")]
+        public static extern void StateChangedSignalType_Emit(global::System.Runtime.InteropServices.HandleRef jarg1, int jarg2, int jarg3);
+
+        [global::System.Runtime.InteropServices.DllImport("libdali-csharp-binder.so", EntryPoint="CSharp_Dali_new_StateChangedSignalType")]
+        public static extern global::System.IntPtr new_StateChangedSignalType();
+
+        [global::System.Runtime.InteropServices.DllImport("libdali-csharp-binder.so", EntryPoint="CSharp_Dali_delete_StateChangedSignalType")]
+        public static extern void delete_StateChangedSignalType(global::System.Runtime.InteropServices.HandleRef jarg1);
+
     }
 }
diff --git a/src/Tizen.NUI/src/internal/StateChangedSignalType.cs b/src/Tizen.NUI/src/internal/StateChangedSignalType.cs
new file mode 100755 (executable)
index 0000000..eb2ff13
--- /dev/null
@@ -0,0 +1,138 @@
+//------------------------------------------------------------------------------
+// <auto-generated />
+//
+// This file was automatically generated by SWIG (http://www.swig.org).
+// Version 3.0.12
+//
+// Do not make changes to this file unless you know what you are doing--modify
+// the SWIG interface file instead.
+//------------------------------------------------------------------------------
+
+namespace Tizen.NUI
+{
+    internal class StateChangedSignalType : global::System.IDisposable
+    {
+        private global::System.Runtime.InteropServices.HandleRef swigCPtr;
+        protected bool swigCMemOwn;
+
+        internal StateChangedSignalType(global::System.IntPtr cPtr, bool cMemoryOwn)
+        {
+            swigCMemOwn = cMemoryOwn;
+            swigCPtr = new global::System.Runtime.InteropServices.HandleRef(this, cPtr);
+        }
+
+        internal static global::System.Runtime.InteropServices.HandleRef getCPtr(StateChangedSignalType obj)
+        {
+            return (obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr;
+        }
+
+        //A Flag to check who called Dispose(). (By User or DisposeQueue)
+        private bool isDisposeQueued = false;
+        //A Flat to check if it is already disposed.
+        protected bool disposed = false;
+
+        ~StateChangedSignalType()
+        {
+            if (!isDisposeQueued)
+            {
+                isDisposeQueued = true;
+                DisposeQueue.Instance.Add(this);
+            }
+        }
+
+        public void Dispose()
+        {
+            //Throw excpetion if Dispose() is called in separate thread.
+            if (!Window.IsInstalled())
+            {
+                throw new System.InvalidOperationException("This API called from separate thread. This API must be called from MainThread.");
+            }
+
+            if (isDisposeQueued)
+            {
+                Dispose(DisposeTypes.Implicit);
+            }
+            else
+            {
+                Dispose(DisposeTypes.Explicit);
+                System.GC.SuppressFinalize(this);
+            }
+        }
+
+        protected virtual void Dispose(DisposeTypes type)
+        {
+            if (disposed)
+            {
+                return;
+            }
+
+            if (type == DisposeTypes.Explicit)
+            {
+                //Called by User
+                //Release your own managed resources here.
+                //You should release all of your own disposable objects here.
+            }
+
+            //Release your own unmanaged resources here.
+            //You should not access any managed member here except static instance.
+            //because the execution order of Finalizes is non-deterministic.
+
+            if (swigCPtr.Handle != global::System.IntPtr.Zero)
+            {
+                if (swigCMemOwn)
+                {
+                    swigCMemOwn = false;
+                    NDalicManualPINVOKE.delete_StateChangedSignalType(swigCPtr);
+                }
+                swigCPtr = new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero);
+            }
+
+            disposed = true;
+        }
+
+        public bool Empty()
+        {
+            bool ret = NDalicManualPINVOKE.StateChangedSignalType_Empty(swigCPtr);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
+        }
+
+        public uint GetConnectionCount()
+        {
+            uint ret = NDalicManualPINVOKE.StateChangedSignalType_GetConnectionCount(swigCPtr);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
+        }
+
+        public void Connect(System.Delegate func)
+        {
+            System.IntPtr ip = System.Runtime.InteropServices.Marshal.GetFunctionPointerForDelegate(func);
+            {
+                NDalicManualPINVOKE.StateChangedSignalType_Connect(swigCPtr, new System.Runtime.InteropServices.HandleRef(this, ip));
+                if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            }
+        }
+
+        public void Disconnect(System.Delegate func)
+        {
+            System.IntPtr ip = System.Runtime.InteropServices.Marshal.GetFunctionPointerForDelegate(func);
+            {
+                NDalicManualPINVOKE.StateChangedSignalType_Disconnect(swigCPtr, new System.Runtime.InteropServices.HandleRef(this, ip));
+                if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            }
+        }
+
+        public void Emit(TTSPlayer.TTSState arg1, TTSPlayer.TTSState arg2)
+        {
+            NDalicManualPINVOKE.StateChangedSignalType_Emit(swigCPtr, (int)arg1, (int)arg2);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+        }
+
+        public StateChangedSignalType() : this(NDalicManualPINVOKE.new_StateChangedSignalType(), true)
+        {
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+        }
+
+    }
+
+}
diff --git a/src/Tizen.NUI/src/public/TTSPlayer.cs b/src/Tizen.NUI/src/public/TTSPlayer.cs
new file mode 100755 (executable)
index 0000000..12b1567
--- /dev/null
@@ -0,0 +1,276 @@
+//------------------------------------------------------------------------------
+// <auto-generated />
+//
+// This file was automatically generated by SWIG (http://www.swig.org).
+// Version 3.0.12
+//
+// Do not make changes to this file unless you know what you are doing--modify
+// the SWIG interface file instead.
+//------------------------------------------------------------------------------
+
+namespace Tizen.NUI
+{
+    using System;
+    using System.Runtime.InteropServices;
+
+    /// <summary>
+    /// The Text-to-speech (TTS) Player.
+    /// </summary>
+    public class TTSPlayer : BaseHandle
+    {
+        private global::System.Runtime.InteropServices.HandleRef swigCPtr;
+
+        internal TTSPlayer(global::System.IntPtr cPtr, bool cMemoryOwn) : base(NDalicManualPINVOKE.TtsPlayer_SWIGUpcast(cPtr), cMemoryOwn)
+        {
+            swigCPtr = new global::System.Runtime.InteropServices.HandleRef(this, cPtr);
+        }
+
+        internal static global::System.Runtime.InteropServices.HandleRef getCPtr(TTSPlayer obj)
+        {
+            return (obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr;
+        }
+
+        protected override void Dispose(DisposeTypes type)
+        {
+            if (disposed)
+            {
+                return;
+            }
+
+            if (type == DisposeTypes.Explicit)
+            {
+                //Called by User
+                //Release your own managed resources here.
+                //You should release all of your own disposable objects here.
+            }
+
+            //Release your own unmanaged resources here.
+            //You should not access any managed member here except static instance.
+            //because the execution order of Finalizes is non-deterministic.
+
+            if (swigCPtr.Handle != global::System.IntPtr.Zero)
+            {
+                if (swigCMemOwn)
+                {
+                    swigCMemOwn = false;
+                    NDalicManualPINVOKE.delete_TtsPlayer(swigCPtr);
+                }
+                swigCPtr = new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero);
+            }
+
+            base.Dispose(type);
+        }
+
+        internal TTSPlayer() : this(NDalicManualPINVOKE.new_TtsPlayer__SWIG_0(), true)
+        {
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+        }
+
+        /// <summary>
+        /// Gets the singleton of the TtsPlayer for the given mode.
+        /// </summary>
+        /// <param name="mode"> The mode of tts-player. </param>
+        /// <returns> A handle of the Ttsplayer for the given mode. </returns>
+        public static TTSPlayer Get(TTSMode mode)
+        {
+            TTSPlayer ret = new TTSPlayer(NDalicManualPINVOKE.TtsPlayer_Get__SWIG_0((int)mode), true);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
+        }
+
+        /// <summary>
+        /// Gets the singleton of the TtsPlayer for the default mode..
+        /// </summary>
+        /// <returns> A handle of the Ttsplayer for the default mode. </returns>
+        public static TTSPlayer Get()
+        {
+            TTSPlayer ret = new TTSPlayer(NDalicManualPINVOKE.TtsPlayer_Get__SWIG_1(), true);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
+        }
+
+        internal TTSPlayer(TTSPlayer handle) : this(NDalicManualPINVOKE.new_TtsPlayer__SWIG_1(TTSPlayer.getCPtr(handle)), true)
+        {
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+        }
+
+        internal TTSPlayer Assign(TTSPlayer rhs)
+        {
+            TTSPlayer ret = new TTSPlayer(NDalicManualPINVOKE.TtsPlayer_Assign(swigCPtr, TTSPlayer.getCPtr(rhs)), false);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
+        }
+
+        /// <summary>
+        /// Starts playing the audio data synthesized from the specified text.
+        /// </summary>
+        /// <param name="text"> The text to play. </param>
+        /// <remarks>The TtsPlayer needs to be initialized.</remarks>
+        public void Play(string text)
+        {
+            NDalicManualPINVOKE.TtsPlayer_Play(swigCPtr, text);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+        }
+
+        /// <summary>
+        /// Stops playing the utterance.
+        /// </summary>
+        /// <remarks>The TtsPlayer needs to be initialized.</remarks>
+        public void Stop()
+        {
+            NDalicManualPINVOKE.TtsPlayer_Stop(swigCPtr);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+        }
+
+        /// <summary>
+        /// Pauses the currently playing utterance.
+        /// </summary>
+        /// <remarks>The TtsPlayer needs to be initialized.</remarks>
+        public void Pause()
+        {
+            NDalicManualPINVOKE.TtsPlayer_Pause(swigCPtr);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+        }
+
+        /// <summary>
+        /// Resumes the previously paused utterance.
+        /// </summary>
+        /// <remarks>The TtsPlayer needs to be initialized.</remarks>
+        public void Resume()
+        {
+            NDalicManualPINVOKE.TtsPlayer_Resume(swigCPtr);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+        }
+
+        /// <summary>
+        /// Gets the current state of the player.
+        /// </summary>
+        /// <returns> The current TTS state. </returns>
+        /// <remarks>The TtsPlayer needs to be initialized.</remarks>
+        public TTSState GetState()
+        {
+            TTSState ret = (TTSState)NDalicManualPINVOKE.TtsPlayer_GetState(swigCPtr);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
+        }
+
+        /// <summary>
+        /// State changed argument.
+        /// </summary>
+        public class StateChangedEventArgs : EventArgs
+        {
+            public TTSState PrevState
+            {
+                get;
+                set;
+            }
+
+            public TTSState NextState
+            {
+                get;
+                set;
+            }
+        }
+
+        private StateChangedEventCallbackType _stateChangedEventCallback;
+        [UnmanagedFunctionPointer(CallingConvention.StdCall)]
+        private delegate void StateChangedEventCallbackType(TTSState prevState, TTSState nextState);
+        private event EventHandler<StateChangedEventArgs> _stateChangedEventHandler;
+
+        /// <summary>
+        /// State changed event.
+        /// </summary>
+        public event EventHandler<StateChangedEventArgs> StateChanged
+        {
+            add
+            {
+                if (_stateChangedEventHandler == null)
+                {
+                    _stateChangedEventCallback = OnStateChanged;
+                    StateChangedSignal().Connect(_stateChangedEventCallback);
+                }
+
+                _stateChangedEventHandler += value;
+            }
+            remove
+            {
+                _stateChangedEventHandler -= value;
+
+                if (_stateChangedEventHandler == null && StateChangedSignal().Empty() == false && _stateChangedEventCallback != null)
+                {
+                    StateChangedSignal().Disconnect(_stateChangedEventCallback);
+                }
+            }
+        }
+
+        private void OnStateChanged(TTSState prevState, TTSState nextState)
+        {
+            StateChangedEventArgs e = new StateChangedEventArgs();
+
+            e.PrevState = prevState;
+            e.NextState = nextState;
+
+            if (_stateChangedEventHandler != null)
+            {
+                _stateChangedEventHandler(this, e);
+            }
+        }
+
+        internal StateChangedSignalType StateChangedSignal()
+        {
+            StateChangedSignalType ret = new StateChangedSignalType(NDalicManualPINVOKE.TtsPlayer_StateChangedSignal(swigCPtr), false);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
+        }
+
+        /// <summary>
+        /// Enumeration for the instance of TTS mode.
+        /// </summary>
+        public enum TTSMode
+        {
+            /// <summary>
+            /// Default mode for normal application.
+            /// </summary>
+            Default = 0,
+            /// <summary>
+            /// Notification mode, such as playing utterance is started or completed.
+            /// </summary>
+            Notification,
+            /// <summary>
+            /// Screen reader mode. <br>
+            /// To help visually impaired users interact with their devices, <br>
+            /// screen reader reads text or graphic elements on the screen using the TTS engine.
+            /// </summary>
+            ScreenReader,
+            /// <summary>
+            /// Number of Mode.
+            /// </summary>
+            ModeNum
+        }
+
+        /// <summary>
+        /// Enumeration for the instance of TTS state.
+        /// </summary>
+        public enum TTSState
+        {
+            /// <summary>
+            /// Player is not available.
+            /// </summary>
+            Unavailable = 0,
+            /// <summary>
+            /// Player is ready to play.
+            /// </summary>
+            Ready,
+            /// <summary>
+            /// Player is playing.
+            /// </summary>
+            Playing,
+            /// <summary>
+            /// Player is paused.
+            /// </summary>
+            Paused
+        }
+
+    }
+
+}