Audio download timeout (#2187)

* Add support for an idle timeout when downloading audio

* Update eslint rules

* Pass idleTimeout to the downloader from DisplayAnki

* Add anki.downloadTimeout setting

* Update tests

* Assign _audioDownloadIdleTimeout using settings

* Show info about cancelled downloads

* Handle Firefox bug

* Improve audio errors

* Refactor

* Move functions to RequestBuilder

1 files changed, 11 insertions, 1 deletions

diff --git a/ext/js/data/options-util.js b/ext/js/data/options-util.js
index a163580f..8c50493a 100644
--- a/ext/js/data/options-util.js
+++ b/ext/js/data/options-util.js
@@ -468,7 +468,8 @@ class OptionsUtil {
             {async: false, update: this._updateVersion16.bind(this)},
             {async: false, update: this._updateVersion17.bind(this)},
             {async: false, update: this._updateVersion18.bind(this)},
-            {async: false, update: this._updateVersion19.bind(this)}
+            {async: false, update: this._updateVersion19.bind(this)},
+            {async: false, update: this._updateVersion20.bind(this)}
         ];
         if (typeof targetVersion === 'number' && targetVersion < result.length) {
             result.splice(targetVersion);
@@ -975,4 +976,13 @@ class OptionsUtil {
         }
         return options;
     }
+
+    _updateVersion20(options) {
+        // Version 20 changes:
+        //  Added anki.downloadTimeout.
+        for (const profile of options.profiles) {
+            profile.options.anki.downloadTimeout = 0;
+        }
+        return options;
+    }
 }