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Assets/Oculus/Voice/Samples/TTSVoices/Scripts/TTSStreamToggle.cs

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+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ * All rights reserved.
+ *
+ * This source code is licensed under the license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+using UnityEngine;
+using UnityEngine.UI;
+using Meta.WitAi.TTS.Integrations;
+
+namespace Meta.WitAi.TTS.Samples
+{
+    public class TTSStreamToggle : MonoBehaviour
+    {
+        // UI references
+        [SerializeField] private TTSWit _service;
+        [SerializeField] private Text _label;
+        [SerializeField] private Button _button;
+
+        // Current stream
+        private bool _streamEnabled = true;
+
+        // Add listeners
+        private void OnEnable()
+        {
+            // Obtain disk cache if possible
+            if (_service == null)
+            {
+                _service = GameObject.FindObjectOfType<TTSWit>();
+            }
+            // Log for missing service
+            if (_service == null)
+            {
+                VLog.E("TTS Stream Toggle - Cannot work without a TTSWit reference");
+            }
+            // Reset
+            RefreshStreaming();
+            _button.onClick.AddListener(ToggleStreaming);
+        }
+        // Remove listeners
+        private void OnDisable()
+        {
+            _button.onClick.RemoveListener(ToggleStreaming);
+        }
+
+        // Refresh location & button text
+        private void RefreshStreaming()
+        {
+            _streamEnabled = GetStreaming();
+            _label.text = $"Streaming: {(_streamEnabled ? "ON" : "OFF")}";
+        }
+        // Toggle streaming
+        public void ToggleStreaming()
+        {
+            SetStreaming(!_streamEnabled);
+            RefreshStreaming();
+        }
+
+        // Get streaming option from service
+        private bool GetStreaming()
+        {
+            return _service && _service.RequestSettings.audioStream;
+        }
+        // Set streaming option to
+        private void SetStreaming(bool toStreaming)
+        {
+            if (_service != null)
+            {
+                _service.RequestSettings.audioStream = toStreaming;
+                _service.UnloadAll();
+            }
+        }
+        // Update if changed externally
+        private void Update()
+        {
+            if (_streamEnabled != GetStreaming())
+            {
+                RefreshStreaming();
+            }
+        }
+    }
+}