Merge pull request #3011 from alcooper91/SpeechInformation

Helper methods to determine if speech is active

Author: StephenHodgson

Assets/MixedRealityToolkit/_Core/Devices/VoiceInput/WindowsSpeechInputDeviceManager.cs

@@ -30,9 +30,14 @@ public WindowsSpeechInputDeviceManager(string name, uint priority) : base(name,
         /// </summary>
         public IMixedRealityInputSource InputSource = null;
 
-
         private KeywordRecognizer keywordRecognizer;
 
+        /// <inheritdoc />
+        public bool IsRecognitionActive
+        {
+            get { return keywordRecognizer != null && keywordRecognizer.IsRunning; }
+        }
+
         public RecognitionConfidenceLevel RecognitionConfidenceLevel { get; set; }
 
         /// <inheritdoc />
@@ -85,10 +90,7 @@ public override void Disable()
             }
         }
 
-        /// <summary>
-        /// Make sure the keyword recognizer is off, then start it.
-        /// Otherwise, leave it alone because it's already in the desired state.
-        /// </summary>
+        /// <inheritdoc />
         public void StartRecognition()
         {
             if (keywordRecognizer != null && !keywordRecognizer.IsRunning)
@@ -97,10 +99,7 @@ public void StartRecognition()
             }
         }
 
-        /// <summary>
-        /// Make sure the keyword recognizer is on, then stop it.
-        /// Otherwise, leave it alone because it's already in the desired state.
-        /// </summary>
+        /// <inheritdoc />
         public void StopRecognition()
         {
             if (keywordRecognizer != null && keywordRecognizer.IsRunning)

Assets/MixedRealityToolkit/_Core/Interfaces/Devices/IMixedRealitySpeechSystem.cs

@@ -8,6 +8,11 @@ namespace Microsoft.MixedReality.Toolkit.Core.Interfaces.Devices
     /// </summary>
     public interface IMixedRealitySpeechSystem : IMixedRealityDeviceManager, IMixedRealityExtensionService
     {
+        /// <summary>
+        /// Query whether or not the speech system is active
+        /// </summary>
+        bool IsRecognitionActive { get; }
+
         /// <summary>
         /// Make sure the keyword recognizer is on, then stop it.
         /// Otherwise, leave it alone because it's already in the desired state.
@@ -20,4 +25,4 @@ public interface IMixedRealitySpeechSystem : IMixedRealityDeviceManager, IMixedR
         /// </summary>
         void StopRecognition();
     }
-}
+}