1 files changed, 67 insertions, 0 deletions

diff --git a/src/features/delayApp/index.js b/src/features/delayApp/index.js
new file mode 100644
index 000000000..a3cce03ee
--- /dev/null
+++ b/src/features/delayApp/index.js
@@ -0,0 +1,67 @@
+import { autorun, observable, reaction } from 'mobx';
+import moment from 'moment';
+import DelayAppComponent from './Component';
+
+const debug = require('debug')('Franz:feature:delayApp');
+
+const DEFAULT_DELAY_DURATION = 10000; // 10 seconds
+const DEFAULT_DELAY_OFFSET = 3600000; // 1 hour
+const DEFAULT_VISIBILITY = false;
+
+export const config = {
+  delayOffset: DEFAULT_DELAY_OFFSET,
+  delayDuration: DEFAULT_DELAY_DURATION,
+};
+
+export const state = observable({
+  isDelayAppScreenVisible: DEFAULT_VISIBILITY,
+});
+
+function setVisibility(value) {
+  Object.assign(state, {
+    isDelayAppScreenVisible: value,
+  });
+}
+
+export default function init(stores) {
+  reaction(
+    () => stores.features.features.needToWaitToProceed,
+    (enabled, r) => {
+      if (enabled) {
+        debug('Initializing `delayApp` feature');
+
+        // Dispose the reaction to run this only once
+        r.dispose();
+
+        const { needToWaitToProceedConfig: globalConfig } = stores.features.features;
+
+        let shownAfterLaunch = false;
+        let timeLastDelay = moment();
+
+        config.delayOffset = globalConfig.delayOffset || DEFAULT_DELAY_OFFSET;
+        config.delayDuration = globalConfig.wait || DEFAULT_DELAY_DURATION;
+
+        autorun(() => {
+          const diff = moment().diff(timeLastDelay);
+          if ((stores.app.isFocused && diff >= config.delayOffset) || !shownAfterLaunch) {
+            debug(`App will be delayed for ${config.delayDuration / 1000}s`);
+
+            setVisibility(true);
+
+            timeLastDelay = moment();
+            shownAfterLaunch = true;
+
+            setTimeout(() => {
+              debug('Resetting app delay');
+
+              setVisibility(false);
+            }, DEFAULT_DELAY_DURATION + 1000); // timer needs to be able to hit 0
+          }
+        });
+      }
+    },
+  );
+}
+
+export const component = DelayAppComponent;
+