Improve jump to unread button (#396)

* Improve jump to unread button

Signed-off-by: Ajay Bura <ajbura@gmail.com>

* Remove unused cod

Signed-off-by: Ajay Bura <ajbura@gmail.com>

* Fix mark as read not hidding jump to unread btn

Signed-off-by: Ajay Bura <ajbura@gmail.com>

* Add notification mark as read action

Signed-off-by: Ajay Bura <ajbura@gmail.com>

* Add esc as hotkey to mark room as read

Signed-off-by: Ajay Bura <ajbura@gmail.com>

* Add message icons

Signed-off-by: Ajay Bura <ajbura@gmail.com>

* Change jump to unread icon

Signed-off-by: Ajay Bura <ajbura@gmail.com>

src/client/action/notifications.js

@@ -0,0 +1,26 @@
+import initMatrix from '../initMatrix';
+
+// eslint-disable-next-line import/prefer-default-export
+export async function markAsRead(roomId) {
+  const mx = initMatrix.matrixClient;
+  const room = mx.getRoom(roomId);
+  if (!room) return;
+  initMatrix.notifications.deleteNoti(roomId);
+
+  const timeline = room.getLiveTimeline().getEvents();
+  const readEventId = room.getEventReadUpTo(mx.getUserId());
+
+  const getLatestValidEvent = () => {
+    for (let i = timeline.length - 1; i >= 0; i -= 1) {
+      const latestEvent = timeline[i];
+      if (latestEvent.getId() === readEventId) return null;
+      if (!latestEvent.isSending()) return latestEvent;
+    }
+    return null;
+  };
+  if (timeline.length === 0) return;
+  const latestEvent = getLatestValidEvent();
+  if (latestEvent === null) return;
+
+  await mx.sendReadReceipt(latestEvent);
+}