[web] Reorganise i18n

web-src/src/lib/Audio.js

@@ -0,0 +1,59 @@
+/**
+ * Audio handler object
+ * Inspired by https://github.com/rainner/soma-fm-player
+ * (released under MIT licence)
+ */
+export default {
+  _audio: new Audio(),
+  _context: null,
+
+  // Setup audio routing
+  setupAudio() {
+    this._context = new (window.AudioContext || window.webkitAudioContext)()
+    const source = this._context.createMediaElementSource(this._audio)
+    source.connect(this._context.destination)
+    this._audio.addEventListener('canplaythrough', (e) => {
+      this._audio.play()
+    })
+    this._audio.addEventListener('canplay', (e) => {
+      this._audio.play()
+    })
+    return this._audio
+  },
+
+  // Set audio volume
+  setVolume(volume) {
+    if (this._audio) {
+      this._audio.volume = Math.min(1, Math.max(0, parseFloat(volume) || 0.0))
+    }
+  },
+
+  // Play audio source url
+  playSource(source) {
+    this.stopAudio()
+    this._context.resume().then(() => {
+      this._audio.src = `${String(source || '')}?x=${Date.now()}`
+      this._audio.crossOrigin = 'anonymous'
+      this._audio.load()
+    })
+  },
+
+  // Stop playing audio
+  stopAudio() {
+    try {
+      this._audio.pause()
+    } catch (e) {
+      // Continue regardless of error
+    }
+    try {
+      this._audio.stop()
+    } catch (e) {
+      // Continue regardless of error
+    }
+    try {
+      this._audio.close()
+    } catch (e) {
+      // Continue regardless of error
+    }
+  }
+}