2 files changed, 41 insertions, 0 deletions

diff --git a/client/src/app/shared/misc/help.component.scss b/client/src/app/shared/misc/help.component.scss
index f55a516e4..f00df88b5 100644
--- a/client/src/app/shared/misc/help.component.scss
+++ b/client/src/app/shared/misc/help.component.scss
@@ -17,6 +17,7 @@
 
 ::ng-deep {
   .help-popover {
+    z-index: z(help-popover) !important;
     max-width: 300px;
 
     .popover-body {
diff --git a/client/src/app/shared/misc/storage.service.ts b/client/src/app/shared/misc/storage.service.ts
new file mode 100644
index 000000000..0d4a8ab53
--- /dev/null
+++ b/client/src/app/shared/misc/storage.service.ts
@@ -0,0 +1,40 @@
+import { Injectable } from '@angular/core'
+import { Observable, Subject } from 'rxjs'
+import {
+  peertubeLocalStorage,
+  peertubeSessionStorage
+} from './peertube-web-storage'
+import { filter } from 'rxjs/operators'
+
+abstract class StorageService {
+  protected instance: Storage
+  static storageSub = new Subject<string>()
+
+  watch (keys?: string[]): Observable<string> {
+    return StorageService.storageSub.asObservable().pipe(filter(val => keys ? keys.includes(val) : true))
+  }
+
+  getItem (key: string) {
+    return this.instance.getItem(key)
+  }
+
+  setItem (key: string, data: any, notifyOfUpdate = true) {
+    this.instance.setItem(key, data)
+    if (notifyOfUpdate) StorageService.storageSub.next(key)
+  }
+
+  removeItem (key: string, notifyOfUpdate = true) {
+    this.instance.removeItem(key)
+    if (notifyOfUpdate) StorageService.storageSub.next(key)
+  }
+}
+
+@Injectable()
+export class LocalStorageService extends StorageService {
+  protected instance: Storage = peertubeLocalStorage
+}
+
+@Injectable()
+export class SessionStorageService extends StorageService {
+  protected instance: Storage = peertubeSessionStorage
+}