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authortoasted-nutbread <toasted-nutbread@users.noreply.github.com>2021-01-23 00:31:23 -0500
committerGitHub <noreply@github.com>2021-01-23 00:31:23 -0500
commit349d9a36110976c9da912e432d9828dbf1c8a7cf (patch)
tree4340a9b0b18fcb16419ea9a7542977fb1952b313 /ext/mixed/js/display-audio.js
parent7fbfef513d1336a883968f319c7001b4bb04876d (diff)
Update display audio cache (#1292)
* Use a standard map * Wrap function * Improve cache to support multiple different source arrays For the same reading/expression * Rename variable * Use null instead of an error
Diffstat (limited to 'ext/mixed/js/display-audio.js')
-rw-r--r--ext/mixed/js/display-audio.js57
1 files changed, 38 insertions, 19 deletions
diff --git a/ext/mixed/js/display-audio.js b/ext/mixed/js/display-audio.js
index cc7e9e93..ea919d14 100644
--- a/ext/mixed/js/display-audio.js
+++ b/ext/mixed/js/display-audio.js
@@ -17,7 +17,6 @@
/* global
* AudioSystem
- * CacheMap
* api
*/
@@ -29,7 +28,7 @@ class DisplayAudio {
this._autoPlayAudioTimer = null;
this._autoPlayAudioDelay = 400;
this._eventListeners = new EventListenerCollection();
- this._cache = new CacheMap(32);
+ this._cache = new Map();
}
get autoPlayAudioDelay() {
@@ -50,6 +49,7 @@ class DisplayAudio {
}
cleanupEntries() {
+ this._cache.clear();
this.clearAutoPlayTimer();
this._eventListeners.removeAllEventListeners();
}
@@ -118,15 +118,16 @@ class DisplayAudio {
try {
// Create audio
let audio;
- let info;
- try {
+ let title;
+ const info = await this._createExpressionAudio(sources, expression, reading, {textToSpeechVoice, customSourceUrl});
+ if (info !== null) {
let source;
- ({audio, source} = await this._createExpressionAudio(sources, expression, reading, {textToSpeechVoice, customSourceUrl}));
+ ({audio, source} = info);
const sourceIndex = sources.indexOf(source);
- info = `From source ${1 + sourceIndex}: ${source}`;
- } catch (e) {
+ title = `From source ${1 + sourceIndex}: ${source}`;
+ } else {
audio = this._audioSystem.getFallbackAudio();
- info = 'Could not find audio';
+ title = 'Could not find audio';
}
// Stop any currently playing audio
@@ -135,7 +136,7 @@ class DisplayAudio {
// Update details
for (const button of this._getAudioPlayButtons(definitionIndex, expressionIndex)) {
const titleDefault = button.dataset.titleDefault || '';
- button.title = `${titleDefault}\n${info}`;
+ button.title = `${titleDefault}\n${title}`;
}
// Play
@@ -189,30 +190,43 @@ class DisplayAudio {
async _createExpressionAudio(sources, expression, reading, details) {
const key = JSON.stringify([expression, reading]);
- const cacheValue = this._cache.get(key);
- if (typeof cacheValue !== 'undefined') {
- return cacheValue;
+ let sourceMap = this._cache.get(key);
+ if (typeof sourceMap === 'undefined') {
+ sourceMap = new Map();
+ this._cache.set(key, sourceMap);
}
for (let i = 0, ii = sources.length; i < ii; ++i) {
const source = sources[i];
- const infoList = await await api.getExpressionAudioInfoList(source, expression, reading, details);
+
+ let infoListPromise = sourceMap.get(source);
+ if (typeof infoListPromise === 'undefined') {
+ infoListPromise = this._getExpressionAudioInfoList(source, expression, reading, details);
+ sourceMap.set(source, infoListPromise);
+ }
+ const infoList = await infoListPromise;
+
for (let j = 0, jj = infoList.length; j < jj; ++j) {
- const info = infoList[j];
+ const item = infoList[j];
+
+ let {audioPromise} = item;
+ if (audioPromise === null) {
+ audioPromise = this._createAudioFromInfo(item.info, source);
+ item.audioPromise = audioPromise;
+ }
+
let audio;
try {
- audio = await this._createAudioFromInfo(info, source);
+ audio = await audioPromise;
} catch (e) {
continue;
}
- const result = {audio, source, infoList, infoListIndex: j};
- this._cache.set(key, result);
- return result;
+ return {audio, source, infoListIndex: j};
}
}
- throw new Error('Could not create audio');
+ return null;
}
async _createAudioFromInfo(info, source) {
@@ -225,4 +239,9 @@ class DisplayAudio {
throw new Error(`Unsupported type: ${info.type}`);
}
}
+
+ async _getExpressionAudioInfoList(source, expression, reading, details) {
+ const infoList = await api.getExpressionAudioInfoList(source, expression, reading, details);
+ return infoList.map((info) => ({info, audioPromise: null}));
+ }
}