When selecting a toot via keyboard, ensure it is scrolled into view (#10593)

app/javascript/mastodon/components/status_list.js

@@ -46,22 +46,28 @@ export default class StatusList extends ImmutablePureComponent {
 
   handleMoveUp = (id, featured) => {
     const elementIndex = this.getCurrentStatusIndex(id, featured) - 1;
-    this._selectChild(elementIndex);
+    this._selectChild(elementIndex, true);
   }
 
   handleMoveDown = (id, featured) => {
     const elementIndex = this.getCurrentStatusIndex(id, featured) + 1;
-    this._selectChild(elementIndex);
+    this._selectChild(elementIndex, false);
   }
 
   handleLoadOlder = debounce(() => {
     this.props.onLoadMore(this.props.statusIds.size > 0 ? this.props.statusIds.last() : undefined);
   }, 300, { leading: true })
 
-  _selectChild (index) {
-    const element = this.node.node.querySelector(`article:nth-of-type(${index + 1}) .focusable`);
+  _selectChild (index, align_top) {
+    const container = this.node.node;
+    const element = container.querySelector(`article:nth-of-type(${index + 1}) .focusable`);
 
     if (element) {
+      if (align_top && container.scrollTop > element.offsetTop) {
+        element.scrollIntoView(true);
+      } else if (!align_top && container.scrollTop + container.clientHeight < element.offsetTop + element.offsetHeight) {
+        element.scrollIntoView(false);
+      }
       element.focus();
     }
   }

app/javascript/mastodon/features/direct_timeline/components/conversations_list.js

@@ -20,18 +20,24 @@ export default class ConversationsList extends ImmutablePureComponent {
 
   handleMoveUp = id => {
     const elementIndex = this.getCurrentIndex(id) - 1;
-    this._selectChild(elementIndex);
+    this._selectChild(elementIndex, true);
   }
 
   handleMoveDown = id => {
     const elementIndex = this.getCurrentIndex(id) + 1;
-    this._selectChild(elementIndex);
+    this._selectChild(elementIndex, false);
   }
 
-  _selectChild (index) {
-    const element = this.node.node.querySelector(`article:nth-of-type(${index + 1}) .focusable`);
+  _selectChild (index, align_top) {
+    const container = this.node.node;
+    const element = container.querySelector(`article:nth-of-type(${index + 1}) .focusable`);
 
     if (element) {
+      if (align_top && container.scrollTop > element.offsetTop) {
+        element.scrollIntoView(true);
+      } else if (!align_top && container.scrollTop + container.clientHeight < element.offsetTop + element.offsetHeight) {
+        element.scrollIntoView(false);
+      }
       element.focus();
     }
   }

app/javascript/mastodon/features/notifications/index.js

@@ -113,18 +113,24 @@ class Notifications extends React.PureComponent {
 
   handleMoveUp = id => {
     const elementIndex = this.props.notifications.findIndex(item => item !== null && item.get('id') === id) - 1;
-    this._selectChild(elementIndex);
+    this._selectChild(elementIndex, true);
   }
 
   handleMoveDown = id => {
     const elementIndex = this.props.notifications.findIndex(item => item !== null && item.get('id') === id) + 1;
-    this._selectChild(elementIndex);
+    this._selectChild(elementIndex, false);
   }
 
-  _selectChild (index) {
-    const element = this.column.node.querySelector(`article:nth-of-type(${index + 1}) .focusable`);
+  _selectChild (index, align_top) {
+    const container = this.column.node;
+    const element = container.querySelector(`article:nth-of-type(${index + 1}) .focusable`);
 
     if (element) {
+      if (align_top && container.scrollTop > element.offsetTop) {
+        element.scrollIntoView(true);
+      } else if (!align_top && container.scrollTop + container.clientHeight < element.offsetTop + element.offsetHeight) {
+        element.scrollIntoView(false);
+      }
       element.focus();
     }
   }

app/javascript/mastodon/features/status/index.js

@@ -316,15 +316,15 @@ class Status extends ImmutablePureComponent {
     const { status, ancestorsIds, descendantsIds } = this.props;
 
     if (id === status.get('id')) {
-      this._selectChild(ancestorsIds.size - 1);
+      this._selectChild(ancestorsIds.size - 1, true);
     } else {
       let index = ancestorsIds.indexOf(id);
 
       if (index === -1) {
         index = descendantsIds.indexOf(id);
-        this._selectChild(ancestorsIds.size + index);
+        this._selectChild(ancestorsIds.size + index, true);
       } else {
-        this._selectChild(index - 1);
+        this._selectChild(index - 1, true);
       }
     }
   }
@@ -333,23 +333,29 @@ class Status extends ImmutablePureComponent {
     const { status, ancestorsIds, descendantsIds } = this.props;
 
     if (id === status.get('id')) {
-      this._selectChild(ancestorsIds.size + 1);
+      this._selectChild(ancestorsIds.size + 1, false);
     } else {
       let index = ancestorsIds.indexOf(id);
 
       if (index === -1) {
         index = descendantsIds.indexOf(id);
-        this._selectChild(ancestorsIds.size + index + 2);
+        this._selectChild(ancestorsIds.size + index + 2, false);
       } else {
-        this._selectChild(index + 1);
+        this._selectChild(index + 1, false);
       }
     }
   }
 
-  _selectChild (index) {
-    const element = this.node.querySelectorAll('.focusable')[index];
+  _selectChild (index, align_top) {
+    const container = this.node;
+    const element = container.querySelectorAll('.focusable')[index];
 
     if (element) {
+      if (align_top && container.scrollTop > element.offsetTop) {
+        element.scrollIntoView(true);
+      } else if (!align_top && container.scrollTop + container.clientHeight < element.offsetTop + element.offsetHeight) {
+        element.scrollIntoView(false);
+      }
       element.focus();
     }
   }

app/javascript/mastodon/features/ui/index.js

@@ -367,11 +367,16 @@ class UI extends React.PureComponent {
   handleHotkeyFocusColumn = e => {
     const index  = (e.key * 1) + 1; // First child is drawer, skip that
     const column = this.node.querySelector(`.column:nth-child(${index})`);
+    if (!column) return;
+    const container = column.querySelector('.scrollable');
 
-    if (column) {
-      const status = column.querySelector('.focusable');
+    if (container) {
+      const status = container.querySelector('.focusable');
 
       if (status) {
+        if (container.scrollTop > status.offsetTop) {
+          status.scrollIntoView(true);
+        }
         status.focus();
       }
     }