6 files changed, 44 insertions, 24 deletions
diff --git a/app/javascript/mastodon/actions/custom_emojis.js b/app/javascript/mastodon/actions/custom_emojis.js
index aa37bc423..7b7d0091b 100644
--- a/app/javascript/mastodon/actions/custom_emojis.js
+++ b/app/javascript/mastodon/actions/custom_emojis.js
@@ -19,6 +19,7 @@ export function fetchCustomEmojis() {
 export function fetchCustomEmojisRequest() {
   return {
     type: CUSTOM_EMOJIS_FETCH_REQUEST,
+    skipLoading: true,
   };
 };
 
@@ -26,6 +27,7 @@ export function fetchCustomEmojisSuccess(custom_emojis) {
   return {
     type: CUSTOM_EMOJIS_FETCH_SUCCESS,
     custom_emojis,
+    skipLoading: true,
   };
 };
 
@@ -33,5 +35,6 @@ export function fetchCustomEmojisFail(error) {
   return {
     type: CUSTOM_EMOJIS_FETCH_FAIL,
     error,
+    skipLoading: true,
   };
 };
diff --git a/app/javascript/mastodon/actions/favourites.js b/app/javascript/mastodon/actions/favourites.js
index 124cf8c44..9448b1efe 100644
--- a/app/javascript/mastodon/actions/favourites.js
+++ b/app/javascript/mastodon/actions/favourites.js
@@ -30,6 +30,7 @@ export function fetchFavouritedStatuses() {
 export function fetchFavouritedStatusesRequest() {
   return {
     type: FAVOURITED_STATUSES_FETCH_REQUEST,
+    skipLoading: true,
   };
 };
 
@@ -38,6 +39,7 @@ export function fetchFavouritedStatusesSuccess(statuses, next) {
     type: FAVOURITED_STATUSES_FETCH_SUCCESS,
     statuses,
     next,
+    skipLoading: true,
   };
 };
 
@@ -45,6 +47,7 @@ export function fetchFavouritedStatusesFail(error) {
   return {
     type: FAVOURITED_STATUSES_FETCH_FAIL,
     error,
+    skipLoading: true,
   };
 };
 
diff --git a/app/javascript/mastodon/actions/notifications.js b/app/javascript/mastodon/actions/notifications.js
index ad6430b82..92c70e155 100644
--- a/app/javascript/mastodon/actions/notifications.js
+++ b/app/javascript/mastodon/actions/notifications.js
@@ -93,6 +93,7 @@ const noOp = () => {};
 export function expandNotifications({ maxId } = {}, done = noOp) {
   return (dispatch, getState) => {
     const notifications = getState().get('notifications');
+    const isLoadingMore = !!maxId;
 
     if (notifications.get('isLoading')) {
       done();
@@ -108,7 +109,7 @@ export function expandNotifications({ maxId } = {}, done = noOp) {
       params.since_id = notifications.getIn(['items', 0]);
     }
 
-    dispatch(expandNotificationsRequest());
+    dispatch(expandNotificationsRequest(isLoadingMore));
 
     api(getState).get('/api/v1/notifications', { params }).then(response => {
       const next = getLinks(response).refs.find(link => link.rel === 'next');
@@ -116,34 +117,37 @@ export function expandNotifications({ maxId } = {}, done = noOp) {
       dispatch(importFetchedAccounts(response.data.map(item => item.account)));
       dispatch(importFetchedStatuses(response.data.map(item => item.status).filter(status => !!status)));
 
-      dispatch(expandNotificationsSuccess(response.data, next ? next.uri : null));
+      dispatch(expandNotificationsSuccess(response.data, next ? next.uri : null, isLoadingMore));
       fetchRelatedRelationships(dispatch, response.data);
       done();
     }).catch(error => {
-      dispatch(expandNotificationsFail(error));
+      dispatch(expandNotificationsFail(error, isLoadingMore));
       done();
     });
   };
 };
 
-export function expandNotificationsRequest() {
+export function expandNotificationsRequest(isLoadingMore) {
   return {
     type: NOTIFICATIONS_EXPAND_REQUEST,
+    skipLoading: !isLoadingMore,
   };
 };
 
-export function expandNotificationsSuccess(notifications, next) {
+export function expandNotificationsSuccess(notifications, next, isLoadingMore) {
   return {
     type: NOTIFICATIONS_EXPAND_SUCCESS,
     notifications,
     next,
+    skipLoading: !isLoadingMore,
   };
 };
 
-export function expandNotificationsFail(error) {
+export function expandNotificationsFail(error, isLoadingMore) {
   return {
     type: NOTIFICATIONS_EXPAND_FAIL,
     error,
+    skipLoading: !isLoadingMore,
   };
 };
 
diff --git a/app/javascript/mastodon/actions/timelines.js b/app/javascript/mastodon/actions/timelines.js
index 8cb06c157..81c4c8425 100644
--- a/app/javascript/mastodon/actions/timelines.js
+++ b/app/javascript/mastodon/actions/timelines.js
@@ -16,8 +16,6 @@ export const TIMELINE_DISCONNECT = 'TIMELINE_DISCONNECT';
 
 export function updateTimeline(timeline, status, accept) {
   return (dispatch, getState) => {
-    const references = status.reblog ? getState().get('statuses').filter((item, itemId) => (itemId === status.reblog.id || item.get('reblog') === status.reblog.id)).map((_, itemId) => itemId) : [];
-
     if (typeof accept === 'function' && !accept(status)) {
       return;
     }
@@ -28,7 +26,6 @@ export function updateTimeline(timeline, status, accept) {
       type: TIMELINE_UPDATE,
       timeline,
       status,
-      references,
     });
   };
 };
@@ -66,6 +63,7 @@ const parseTags = (tags = {}, mode) => {
 export function expandTimeline(timelineId, path, params = {}, done = noOp) {
   return (dispatch, getState) => {
     const timeline = getState().getIn(['timelines', timelineId], ImmutableMap());
+    const isLoadingMore = !!params.max_id;
 
     if (timeline.get('isLoading')) {
       done();
@@ -76,15 +74,15 @@ export function expandTimeline(timelineId, path, params = {}, done = noOp) {
       params.since_id = timeline.getIn(['items', 0]);
     }
 
-    dispatch(expandTimelineRequest(timelineId));
+    dispatch(expandTimelineRequest(timelineId, isLoadingMore));
 
     api(getState).get(path, { params }).then(response => {
       const next = getLinks(response).refs.find(link => link.rel === 'next');
       dispatch(importFetchedStatuses(response.data));
-      dispatch(expandTimelineSuccess(timelineId, response.data, next ? next.uri : null, response.code === 206));
+      dispatch(expandTimelineSuccess(timelineId, response.data, next ? next.uri : null, response.code === 206, isLoadingMore));
       done();
     }).catch(error => {
-      dispatch(expandTimelineFail(timelineId, error));
+      dispatch(expandTimelineFail(timelineId, error, isLoadingMore));
       done();
     });
   };
@@ -106,31 +104,31 @@ export const expandHashtagTimeline         = (hashtag, { maxId, tags } = {}, don
   }, done);
 };
 
-export function expandTimelineRequest(timeline) {
+export function expandTimelineRequest(timeline, isLoadingMore) {
   return {
     type: TIMELINE_EXPAND_REQUEST,
     timeline,
-    skipLoading: true,
+    skipLoading: !isLoadingMore,
   };
 };
 
-export function expandTimelineSuccess(timeline, statuses, next, partial) {
+export function expandTimelineSuccess(timeline, statuses, next, partial, isLoadingMore) {
   return {
     type: TIMELINE_EXPAND_SUCCESS,
     timeline,
     statuses,
     next,
     partial,
-    skipLoading: true,
+    skipLoading: !isLoadingMore,
   };
 };
 
-export function expandTimelineFail(timeline, error) {
+export function expandTimelineFail(timeline, error, isLoadingMore) {
   return {
     type: TIMELINE_EXPAND_FAIL,
     timeline,
     error,
-    skipLoading: true,
+    skipLoading: !isLoadingMore,
   };
 };
 
diff --git a/app/javascript/mastodon/components/scrollable_list.js b/app/javascript/mastodon/components/scrollable_list.js
index 91a895bce..7551d0b1f 100644
--- a/app/javascript/mastodon/components/scrollable_list.js
+++ b/app/javascript/mastodon/components/scrollable_list.js
@@ -59,6 +59,13 @@ export default class ScrollableList extends PureComponent {
       } else if (this.props.onScroll) {
         this.props.onScroll();
       }
+
+      if (!this.lastScrollWasSynthetic) {
+        // If the last scroll wasn't caused by setScrollTop(), assume it was
+        // intentional and cancel any pending scroll reset on mouse idle
+        this.scrollToTopOnMouseIdle = false;
+      }
+      this.lastScrollWasSynthetic = false;
     }
   }, 150, {
     trailing: true,
@@ -66,8 +73,16 @@ export default class ScrollableList extends PureComponent {
 
   mouseIdleTimer = null;
   mouseMovedRecently = false;
+  lastScrollWasSynthetic = false;
   scrollToTopOnMouseIdle = false;
 
+  setScrollTop = newScrollTop => {
+    if (this.node.scrollTop !== newScrollTop) {
+      this.lastScrollWasSynthetic = true;
+      this.node.scrollTop = newScrollTop;
+    }
+  };
+
   clearMouseIdleTimer = () => {
     if (this.mouseIdleTimer === null) {
       return;
@@ -99,7 +114,7 @@ export default class ScrollableList extends PureComponent {
 
   handleMouseIdle = () => {
     if (this.scrollToTopOnMouseIdle) {
-      this.node.scrollTop = 0;
+      this.setScrollTop(0);
     }
 
     this.mouseMovedRecently = false;
@@ -132,11 +147,7 @@ export default class ScrollableList extends PureComponent {
     // Reset the scroll position when a new child comes in in order not to
     // jerk the scrollbar around if you're already scrolled down the page.
     if (snapshot !== null) {
-      const newScrollTop = this.node.scrollHeight - snapshot;
-
-      if (this.node.scrollTop !== newScrollTop) {
-        this.node.scrollTop = newScrollTop;
-      }
+      this.setScrollTop(this.node.scrollHeight - snapshot);
     }
   }
 
diff --git a/app/javascript/mastodon/features/notifications/index.js b/app/javascript/mastodon/features/notifications/index.js
index 66af0baaf..aa82dbbb9 100644
--- a/app/javascript/mastodon/features/notifications/index.js
+++ b/app/javascript/mastodon/features/notifications/index.js
@@ -153,6 +153,7 @@ class Notifications extends React.PureComponent {
         scrollKey={`notifications-${columnId}`}
         trackScroll={!pinned}
         isLoading={isLoading}
+        showLoading={isLoading && notifications.size === 0}
         hasMore={hasMore}
         emptyMessage={emptyMessage}
         onLoadMore={this.handleLoadOlder}