[mirotalksfu] - add select devices before join

public/js/LocalStorage.js

@@ -0,0 +1,62 @@
+'use-strict';
+
+class LocalStorage {
+    constructor() {
+        this.MEDIA_TYPE = {
+            audio: 'audio',
+            video: 'video',
+            speaker: 'speaker',
+        };
+
+        this.DEVICES_COUNT = {
+            audio: 0,
+            speaker: 0,
+            video: 0,
+        };
+
+        this.LOCAL_STORAGE_DEVICES = {
+            audio: {
+                count: 0,
+                index: 0,
+                select: null,
+            },
+            speaker: {
+                count: 0,
+                index: 0,
+                select: null,
+            },
+            video: {
+                count: 0,
+                index: 0,
+                select: null,
+            },
+        };
+    }
+
+    setLocalStorageDevices(type, index, select) {
+        switch (type) {
+            case this.MEDIA_TYPE.audio:
+                this.LOCAL_STORAGE_DEVICES.audio.count = this.DEVICES_COUNT.audio;
+                this.LOCAL_STORAGE_DEVICES.audio.index = index;
+                this.LOCAL_STORAGE_DEVICES.audio.select = select;
+                break;
+            case this.MEDIA_TYPE.video:
+                this.LOCAL_STORAGE_DEVICES.video.count = this.DEVICES_COUNT.video;
+                this.LOCAL_STORAGE_DEVICES.video.index = index;
+                this.LOCAL_STORAGE_DEVICES.video.select = select;
+                break;
+            case this.MEDIA_TYPE.speaker:
+                this.LOCAL_STORAGE_DEVICES.speaker.count = this.DEVICES_COUNT.speaker;
+                this.LOCAL_STORAGE_DEVICES.speaker.index = index;
+                this.LOCAL_STORAGE_DEVICES.speaker.select = select;
+                break;
+            default:
+                break;
+        }
+        localStorage.setItem('LOCAL_STORAGE_DEVICES', JSON.stringify(this.LOCAL_STORAGE_DEVICES));
+    }
+
+    getLocalStorageDevices() {
+        return JSON.parse(localStorage.getItem('LOCAL_STORAGE_DEVICES'));
+    }
+}