using System;
using System.Diagnostics;
using System.Runtime.CompilerServices;
using UnityEngine.Scripting;

namespace UnityEngine.Windows.Speech
{
	// Token: 0x020000F5 RID: 245
	public sealed class DictationRecognizer : IDisposable
	{
		// Token: 0x060011C9 RID: 4553 RVA: 0x00017C38 File Offset: 0x00015E38
		public DictationRecognizer()
			: this(ConfidenceLevel.Medium, DictationTopicConstraint.Dictation)
		{
		}

		// Token: 0x060011CA RID: 4554 RVA: 0x00017C44 File Offset: 0x00015E44
		public DictationRecognizer(ConfidenceLevel confidenceLevel)
			: this(confidenceLevel, DictationTopicConstraint.Dictation)
		{
		}

		// Token: 0x060011CB RID: 4555 RVA: 0x00017C50 File Offset: 0x00015E50
		public DictationRecognizer(DictationTopicConstraint topic)
			: this(ConfidenceLevel.Medium, topic)
		{
		}

		// Token: 0x060011CC RID: 4556 RVA: 0x00017C5C File Offset: 0x00015E5C
		public DictationRecognizer(ConfidenceLevel minimumConfidence, DictationTopicConstraint topic)
		{
			this.m_Recognizer = this.Create(minimumConfidence, topic);
		}

		// Token: 0x060011CD RID: 4557 RVA: 0x00017C74 File Offset: 0x00015E74
		private IntPtr Create(ConfidenceLevel minimumConfidence, DictationTopicConstraint topicConstraint)
		{
			IntPtr intPtr;
			DictationRecognizer.INTERNAL_CALL_Create(this, minimumConfidence, topicConstraint, out intPtr);
			return intPtr;
		}

		// Token: 0x060011CE RID: 4558
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		private static extern void INTERNAL_CALL_Create(DictationRecognizer self, ConfidenceLevel minimumConfidence, DictationTopicConstraint topicConstraint, out IntPtr value);

		// Token: 0x060011CF RID: 4559
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		private static extern void Start(IntPtr self);

		// Token: 0x060011D0 RID: 4560
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		private static extern void Stop(IntPtr self);

		// Token: 0x060011D1 RID: 4561
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		private static extern void Destroy(IntPtr self);

		// Token: 0x060011D2 RID: 4562
		[ThreadAndSerializationSafe]
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		private static extern void DestroyThreaded(IntPtr self);

		// Token: 0x060011D3 RID: 4563
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		private static extern SpeechSystemStatus GetStatus(IntPtr self);

		// Token: 0x060011D4 RID: 4564
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		private static extern float GetAutoSilenceTimeoutSeconds(IntPtr self);

		// Token: 0x060011D5 RID: 4565
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		private static extern void SetAutoSilenceTimeoutSeconds(IntPtr self, float value);

		// Token: 0x060011D6 RID: 4566
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		private static extern float GetInitialSilenceTimeoutSeconds(IntPtr self);

		// Token: 0x060011D7 RID: 4567
		[GeneratedByOldBindingsGenerator]
		[MethodImpl(MethodImplOptions.InternalCall)]
		private static extern void SetInitialSilenceTimeoutSeconds(IntPtr self, float value);

		// Token: 0x1400000C RID: 12
		// (add) Token: 0x060011D8 RID: 4568 RVA: 0x00017C94 File Offset: 0x00015E94
		// (remove) Token: 0x060011D9 RID: 4569 RVA: 0x00017CCC File Offset: 0x00015ECC
		[field: DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event DictationRecognizer.DictationHypothesisDelegate DictationHypothesis;

		// Token: 0x1400000D RID: 13
		// (add) Token: 0x060011DA RID: 4570 RVA: 0x00017D04 File Offset: 0x00015F04
		// (remove) Token: 0x060011DB RID: 4571 RVA: 0x00017D3C File Offset: 0x00015F3C
		[field: DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event DictationRecognizer.DictationResultDelegate DictationResult;

		// Token: 0x1400000E RID: 14
		// (add) Token: 0x060011DC RID: 4572 RVA: 0x00017D74 File Offset: 0x00015F74
		// (remove) Token: 0x060011DD RID: 4573 RVA: 0x00017DAC File Offset: 0x00015FAC
		[field: DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event DictationRecognizer.DictationCompletedDelegate DictationComplete;

		// Token: 0x1400000F RID: 15
		// (add) Token: 0x060011DE RID: 4574 RVA: 0x00017DE4 File Offset: 0x00015FE4
		// (remove) Token: 0x060011DF RID: 4575 RVA: 0x00017E1C File Offset: 0x0001601C
		[field: DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event DictationRecognizer.DictationErrorHandler DictationError;

		// Token: 0x17000384 RID: 900
		// (get) Token: 0x060011E0 RID: 4576 RVA: 0x00017E54 File Offset: 0x00016054
		public SpeechSystemStatus Status
		{
			get
			{
				return (!(this.m_Recognizer != IntPtr.Zero)) ? SpeechSystemStatus.Stopped : DictationRecognizer.GetStatus(this.m_Recognizer);
			}
		}

		// Token: 0x17000385 RID: 901
		// (get) Token: 0x060011E1 RID: 4577 RVA: 0x00017E90 File Offset: 0x00016090
		// (set) Token: 0x060011E2 RID: 4578 RVA: 0x00017ED0 File Offset: 0x000160D0
		public float AutoSilenceTimeoutSeconds
		{
			get
			{
				float num;
				if (this.m_Recognizer == IntPtr.Zero)
				{
					num = 0f;
				}
				else
				{
					num = DictationRecognizer.GetAutoSilenceTimeoutSeconds(this.m_Recognizer);
				}
				return num;
			}
			set
			{
				if (!(this.m_Recognizer == IntPtr.Zero))
				{
					DictationRecognizer.SetAutoSilenceTimeoutSeconds(this.m_Recognizer, value);
				}
			}
		}

		// Token: 0x17000386 RID: 902
		// (get) Token: 0x060011E3 RID: 4579 RVA: 0x00017EFC File Offset: 0x000160FC
		// (set) Token: 0x060011E4 RID: 4580 RVA: 0x00017F3C File Offset: 0x0001613C
		public float InitialSilenceTimeoutSeconds
		{
			get
			{
				float num;
				if (this.m_Recognizer == IntPtr.Zero)
				{
					num = 0f;
				}
				else
				{
					num = DictationRecognizer.GetInitialSilenceTimeoutSeconds(this.m_Recognizer);
				}
				return num;
			}
			set
			{
				if (!(this.m_Recognizer == IntPtr.Zero))
				{
					DictationRecognizer.SetInitialSilenceTimeoutSeconds(this.m_Recognizer, value);
				}
			}
		}

		// Token: 0x060011E5 RID: 4581 RVA: 0x00017F68 File Offset: 0x00016168
		~DictationRecognizer()
		{
			if (this.m_Recognizer != IntPtr.Zero)
			{
				DictationRecognizer.DestroyThreaded(this.m_Recognizer);
				this.m_Recognizer = IntPtr.Zero;
				GC.SuppressFinalize(this);
			}
		}

		// Token: 0x060011E6 RID: 4582 RVA: 0x00017FC8 File Offset: 0x000161C8
		public void Start()
		{
			if (!(this.m_Recognizer == IntPtr.Zero))
			{
				DictationRecognizer.Start(this.m_Recognizer);
			}
		}

		// Token: 0x060011E7 RID: 4583 RVA: 0x00017FF0 File Offset: 0x000161F0
		public void Stop()
		{
			if (!(this.m_Recognizer == IntPtr.Zero))
			{
				DictationRecognizer.Stop(this.m_Recognizer);
			}
		}

		// Token: 0x060011E8 RID: 4584 RVA: 0x00018018 File Offset: 0x00016218
		public void Dispose()
		{
			if (this.m_Recognizer != IntPtr.Zero)
			{
				DictationRecognizer.Destroy(this.m_Recognizer);
				this.m_Recognizer = IntPtr.Zero;
			}
			GC.SuppressFinalize(this);
		}

		// Token: 0x060011E9 RID: 4585 RVA: 0x00018050 File Offset: 0x00016250
		[RequiredByNativeCode]
		private void DictationRecognizer_InvokeHypothesisGeneratedEvent(string keyword)
		{
			DictationRecognizer.DictationHypothesisDelegate dictationHypothesis = this.DictationHypothesis;
			if (dictationHypothesis != null)
			{
				dictationHypothesis(keyword);
			}
		}

		// Token: 0x060011EA RID: 4586 RVA: 0x00018074 File Offset: 0x00016274
		[RequiredByNativeCode]
		private void DictationRecognizer_InvokeResultGeneratedEvent(string keyword, ConfidenceLevel minimumConfidence)
		{
			DictationRecognizer.DictationResultDelegate dictationResult = this.DictationResult;
			if (dictationResult != null)
			{
				dictationResult(keyword, minimumConfidence);
			}
		}

		// Token: 0x060011EB RID: 4587 RVA: 0x00018098 File Offset: 0x00016298
		[RequiredByNativeCode]
		private void DictationRecognizer_InvokeCompletedEvent(DictationCompletionCause cause)
		{
			DictationRecognizer.DictationCompletedDelegate dictationComplete = this.DictationComplete;
			if (dictationComplete != null)
			{
				dictationComplete(cause);
			}
		}

		// Token: 0x060011EC RID: 4588 RVA: 0x000180BC File Offset: 0x000162BC
		[RequiredByNativeCode]
		private void DictationRecognizer_InvokeErrorEvent(string error, int hresult)
		{
			DictationRecognizer.DictationErrorHandler dictationError = this.DictationError;
			if (dictationError != null)
			{
				dictationError(error, hresult);
			}
		}

		// Token: 0x0400023F RID: 575
		private IntPtr m_Recognizer;

		// Token: 0x020000F6 RID: 246
		// (Invoke) Token: 0x060011EE RID: 4590
		public delegate void DictationHypothesisDelegate(string text);

		// Token: 0x020000F7 RID: 247
		// (Invoke) Token: 0x060011F2 RID: 4594
		public delegate void DictationResultDelegate(string text, ConfidenceLevel confidence);

		// Token: 0x020000F8 RID: 248
		// (Invoke) Token: 0x060011F6 RID: 4598
		public delegate void DictationCompletedDelegate(DictationCompletionCause cause);

		// Token: 0x020000F9 RID: 249
		// (Invoke) Token: 0x060011FA RID: 4602
		public delegate void DictationErrorHandler(string error, int hresult);
	}
}