3 files changed, 23 insertions, 19 deletions

diff --git a/ext/mixed/js/api.js b/ext/mixed/js/api.js
index 7080d93a..c97dc687 100644
--- a/ext/mixed/js/api.js
+++ b/ext/mixed/js/api.js
@@ -64,8 +64,8 @@ function apiTemplateRender(template, data) {
     return _apiInvoke('templateRender', {data, template});
 }
 
-function apiAudioGetUri(definition, source, optionsContext) {
-    return _apiInvoke('audioGetUri', {definition, source, optionsContext});
+function apiAudioGetUri(definition, source, details) {
+    return _apiInvoke('audioGetUri', {definition, source, details});
 }
 
 function apiCommandExec(command, params) {
diff --git a/ext/mixed/js/audio-system.js b/ext/mixed/js/audio-system.js
index 45b733fc..574ad3dc 100644
--- a/ext/mixed/js/audio-system.js
+++ b/ext/mixed/js/audio-system.js
@@ -66,10 +66,10 @@ class TextToSpeechAudio {
 }
 
 class AudioSystem {
-    constructor({getAudioUri}) {
+    constructor({audioUriBuilder}) {
         this._cache = new Map();
         this._cacheSizeMaximum = 32;
-        this._getAudioUri = getAudioUri;
+        this._audioUriBuilder = audioUriBuilder;
 
         if (typeof speechSynthesis !== 'undefined') {
             // speechSynthesis.getVoices() will not be populated unless some API call is made.
@@ -90,7 +90,7 @@ class AudioSystem {
             if (uri === null) { continue; }
 
             try {
-                const audio = await this._createAudio(uri, details);
+                const audio = await this._createAudio(uri);
                 this._cacheCheck();
                 this._cache.set(key, {audio, uri, source});
                 return {audio, uri, source};
@@ -114,20 +114,23 @@ class AudioSystem {
         // NOP
     }
 
-    async _createAudio(uri, details) {
+    async _createAudio(uri) {
         const ttsParameters = this._getTextToSpeechParameters(uri);
         if (ttsParameters !== null) {
-            if (typeof details === 'object' && details !== null) {
-                if (details.tts === false) {
-                    throw new Error('Text-to-speech not permitted');
-                }
-            }
             return this.createTextToSpeechAudio(ttsParameters);
         }
 
         return await this._createAudioFromUrl(uri);
     }
 
+    _getAudioUri(definition, source, details) {
+        return (
+            this._audioUriBuilder !== null ?
+            this._audioUriBuilder.getUri(definition, source, details) :
+            null
+        );
+    }
+
     _createAudioFromUrl(url) {
         return new Promise((resolve, reject) => {
             const audio = new Audio(url);
diff --git a/ext/mixed/js/display.js b/ext/mixed/js/display.js
index 63687dc2..7f3ba859 100644
--- a/ext/mixed/js/display.js
+++ b/ext/mixed/js/display.js
@@ -45,7 +45,13 @@ class Display {
         this.index = 0;
         this.audioPlaying = null;
         this.audioFallback = null;
-        this.audioSystem = new AudioSystem({getAudioUri: this._getAudioUri.bind(this)});
+        this.audioSystem = new AudioSystem({
+            audioUriBuilder: {
+                async getUri(definition, source, details) {
+                    return await apiAudioGetUri(definition, source, details);
+                }
+            }
+        });
         this.styleNode = null;
 
         this.eventListeners = new EventListenerCollection();
@@ -789,10 +795,10 @@ class Display {
                 this.audioPlaying = null;
             }
 
-            const sources = this.options.audio.sources;
             let audio, source, info;
             try {
-                ({audio, source} = await this.audioSystem.getDefinitionAudio(expression, sources));
+                const {sources, textToSpeechVoice, customSourceUrl} = this.options.audio;
+                ({audio, source} = await this.audioSystem.getDefinitionAudio(expression, sources, {textToSpeechVoice, customSourceUrl}));
                 info = `From source ${1 + sources.indexOf(source)}: ${source}`;
             } catch (e) {
                 if (this.audioFallback === null) {
@@ -947,9 +953,4 @@ class Display {
             }
         };
     }
-
-    async _getAudioUri(definition, source) {
-        const optionsContext = this.getOptionsContext();
-        return await apiAudioGetUri(definition, source, optionsContext);
-    }
 }