Migrate back to AppActivationState observer from RX

See https://github.com/Microsoft/reactxp/issues/661

1 files changed, 0 insertions, 28 deletions

diff --git a/app/lib/app-visibility.js b/app/lib/app-visibility.js
deleted file mode 100644
index d599f6941b..0000000000
--- a/app/lib/app-visibility.js
+++ /dev/null
@@ -1,28 +0,0 @@
-// @flow
-import { ipcRenderer } from 'electron';
-
-type EventHandler = (boolean) => any;
-
-export default class AppVisiblityObserver {
-  _handler: EventHandler;
-
-  constructor(handler: EventHandler) {
-    this._handler = handler;
-
-    ipcRenderer.on('show-window', this._handleShowEvent).on('hide-window', this._handleHideEvent);
-  }
-
-  dispose() {
-    ipcRenderer
-      .removeListener('show-window', this._handleShowEvent)
-      .removeListener('hide-window', this._handleHideEvent);
-  }
-
-  _handleShowEvent = (_event) => {
-    this._handler(true);
-  };
-
-  _handleHideEvent = (_event) => {
-    this._handler(false);
-  };
-}