[Security Solution] Timeline UI refactor revision - Design feedback (e…

…lastic#173015)

## Summary

This PR implements Design feedback for the Timeline UI refactoring:

1. Adds ⨁ back in timeline bottom bar.

![image](https://github.com/elastic/kibana/assets/7485038/1572527a-471b-4edb-826a-29610eae0a4a)
2. Add `Unsaved` badge for better visibility

![image](https://github.com/elastic/kibana/assets/7485038/b1baf745-fcda-4346-a104-a78b88853ce4)
===>
![image](https://github.com/elastic/kibana/assets/7485038/9d279276-cc86-44d4-903c-53ebe60e55fb)
3. Adds a new tour step for `Add to Favorites` Icon.


https://github.com/elastic/kibana/assets/7485038/2d4f3e2e-7868-4fbb-8a73-c9b427d86e04









### Checklist

Delete any items that are not applicable to this PR.

- [x] Any text added follows [EUI's writing
guidelines](https://elastic.github.io/eui/#/guidelines/writing), uses
sentence case text and includes [i18n
support](https://github.com/elastic/kibana/blob/main/packages/kbn-i18n/README.md)
- [x]
[Documentation](https://www.elastic.co/guide/en/kibana/master/development-documentation.html)
was added for features that require explanation or tutorials
- [x] [Unit or functional
tests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)
were updated or added to match the most common scenarios
- [x] [Flaky Test
Runner](https://ci-stats.kibana.dev/trigger_flaky_test_runner/1) was
used on any tests changed

x-pack/plugins/security_solution/public/common/components/super_date_picker/index.tsx

@@ -9,6 +9,7 @@ import dateMath from '@kbn/datemath';
 import type {
   EuiSuperDatePickerProps,
   EuiSuperDatePickerRecentRange,
+  EuiSuperUpdateButtonProps,
   OnRefreshChangeProps,
   OnRefreshProps,
   OnTimeChangeProps,
@@ -42,6 +43,10 @@ import {
 } from './selectors';
 import type { Inputs } from '../../store/inputs/model';
 
+const refreshButtonProps: EuiSuperUpdateButtonProps = {
+  fill: false,
+};
+
 const MAX_RECENTLY_USED_RANGES = 9;
 
 interface Range {
@@ -219,6 +224,7 @@ export const SuperDatePickerComponent = React.memo<SuperDatePickerProps>(
         isDisabled={disabled}
         width={width}
         compressed={compressed}
+        updateButtonProps={refreshButtonProps}
       />
     );
   },

x-pack/plugins/security_solution/public/timelines/components/flyout/action_menu/index.tsx

@@ -7,6 +7,7 @@
 
 import { EuiFlexGroup, EuiFlexItem } from '@elastic/eui';
 import React from 'react';
+import styled from 'styled-components';
 import { useKibana } from '../../../../common/lib/kibana/kibana_react';
 import { APP_ID } from '../../../../../common';
 import type { TimelineTabs } from '../../../../../common/types';
@@ -25,6 +26,12 @@ interface TimelineActionMenuProps {
   activeTab: TimelineTabs;
 }
 
+const VerticalDivider = styled.span`
+  width: 0px;
+  height: 20px;
+  border-left: 1px solid ${({ theme }) => theme.eui.euiColorLightShade};
+`;
+
 const TimelineActionMenuComponent = ({
   mode = 'normal',
   timelineId,
@@ -49,11 +56,6 @@ const TimelineActionMenuComponent = ({
       <EuiFlexItem data-test-subj="open-timeline-action">
         <OpenTimelineAction />
       </EuiFlexItem>
-      {userCasesPermissions.create && userCasesPermissions.read ? (
-        <EuiFlexItem>
-          <AddToCaseButton timelineId={timelineId} />
-        </EuiFlexItem>
-      ) : null}
       <EuiFlexItem data-test-subj="inspect-timeline-action">
         <InspectButton
           compact={mode === 'compact'}
@@ -63,6 +65,16 @@ const TimelineActionMenuComponent = ({
           title=""
         />
       </EuiFlexItem>
+      {userCasesPermissions.create && userCasesPermissions.read ? (
+        <>
+          <EuiFlexItem>
+            <VerticalDivider />
+          </EuiFlexItem>
+          <EuiFlexItem>
+            <AddToCaseButton timelineId={timelineId} />
+          </EuiFlexItem>
+        </>
+      ) : null}
       <EuiFlexItem data-test-subj="save-timeline-action">
         <SaveTimelineButton timelineId={timelineId} />
       </EuiFlexItem>

x-pack/plugins/security_solution/public/timelines/components/flyout/add_timeline_button/index.test.tsx

@@ -52,11 +52,11 @@ jest.mock('../../../containers/all', () => {
 });
 
 jest.mock('../../timeline/properties/new_template_timeline', () => ({
-  NewTemplateTimeline: jest.fn(() => <div>{'Create new timeline template'}</div>),
+  NewTemplateTimeline: jest.fn(() => <div>{'Create new Timeline template'}</div>),
 }));
 
 jest.mock('../../timeline/properties/helpers', () => ({
-  NewTimeline: jest.fn().mockReturnValue(<div>{'Create new timeline'}</div>),
+  NewTimeline: jest.fn().mockReturnValue(<div>{'Create new Timeline'}</div>),
 }));
 
 jest.mock('../../../../common/containers/source', () => ({

x-pack/plugins/security_solution/public/timelines/components/flyout/add_timeline_button/index.tsx

@@ -39,10 +39,10 @@ const AddTimelineButtonComponent: React.FC<AddTimelineButtonComponentProps> = ({
     () => (
       <EuiButtonIcon
         className={ADD_TIMELINE_BUTTON_CLASS_NAME}
-        data-test-subj="settings-plus-in-circle"
+        data-test-subj="timeline-create-open-control"
         iconType="plusInCircle"
+        iconSize="m"
         color="primary"
-        size="m"
         onClick={onButtonClick}
         aria-label={i18n.ADD_TIMELINE}
       />

x-pack/plugins/security_solution/public/timelines/components/flyout/header/index.tsx

@@ -28,6 +28,7 @@ import { TimelineActionMenu } from '../action_menu';
 import { AddToFavoritesButton } from '../../timeline/properties/helpers';
 import { TimelineStatusInfo } from './timeline_status_info';
 import { timelineDefaults } from '../../../store/timeline/defaults';
+import { AddTimelineButton } from '../add_timeline_button';
 
 interface FlyoutHeaderPanelProps {
   timelineId: string;
@@ -141,6 +142,14 @@ const FlyoutHeaderPanelComponent: React.FC<FlyoutHeaderPanelProps> = ({ timeline
       >
         <EuiFlexItem grow={false}>
           <EuiFlexGroup gutterSize="xs" alignItems="center" responsive={false}>
+            {!show ? (
+              <EuiFlexItem grow={false}>
+                <AddTimelineButton timelineId={timelineId} />
+              </EuiFlexItem>
+            ) : null}
+            <EuiFlexItem grow={false}>
+              <AddToFavoritesButton timelineId={timelineId} compact />
+            </EuiFlexItem>
             <EuiFlexItem grow={false}>
               <ActiveTimelinesContainer grow={false}>
                 <ActiveTimelines
@@ -154,9 +163,6 @@ const FlyoutHeaderPanelComponent: React.FC<FlyoutHeaderPanelProps> = ({ timeline
             <EuiFlexItem grow={false}>
               <TimelineStatusInfo status={timelineStatus} updated={updated} changed={changed} />
             </EuiFlexItem>
-            <EuiFlexItem grow={false}>
-              <AddToFavoritesButton timelineId={timelineId} compact />
-            </EuiFlexItem>
           </EuiFlexGroup>
         </EuiFlexItem>
         {show && (

x-pack/plugins/security_solution/public/timelines/components/flyout/header/timeline_status_info.test.tsx

@@ -28,18 +28,6 @@ describe('TestComponent', () => {
 
   it('should render the status correctly when timeline has unsaved changes', () => {
     render(<TestComponent status={TimelineStatus.active} changed={true} updated={Date.now()} />);
-    expect(screen.getByText('Has unsaved changes')).toBeVisible();
-  });
-
-  it('should render the status correctly when timeline is saved', () => {
-    const updatedTime = Date.now();
-    render(<TestComponent status={TimelineStatus.active} updated={updatedTime} />);
-    expect(screen.getByText('Saved')).toBeVisible();
-  });
-
-  it('should render the status correctly when timeline is saved some time ago', () => {
-    const updatedTime = Date.now() - 10000;
-    render(<TestComponent status={TimelineStatus.active} updated={updatedTime} />);
-    expect(screen.getByTestId('timeline-status')).toHaveTextContent(/Saved10 seconds ago/);
+    expect(screen.getByText('Unsaved changes')).toBeVisible();
   });
 });

x-pack/plugins/security_solution/public/timelines/components/flyout/header/timeline_status_info.tsx

@@ -6,8 +6,7 @@
  */
 
 import React from 'react';
-import { EuiTextColor, EuiText } from '@elastic/eui';
-import { FormattedRelative } from '@kbn/i18n-react';
+import { EuiText, EuiBadge } from '@elastic/eui';
 
 import styled from 'styled-components';
 import { TimelineStatus } from '../../../../../common/api/timeline';
@@ -29,21 +28,13 @@ export const TimelineStatusInfo = React.memo<TimelineStatusInfoProps>(
 
     let statusContent: React.ReactNode = null;
     if (isUnsaved || !updated) {
-      statusContent = <EuiTextColor color="warning">{i18n.UNSAVED}</EuiTextColor>;
+      statusContent = <EuiBadge color="warning">{i18n.UNSAVED}</EuiBadge>;
     } else if (changed) {
-      statusContent = <EuiTextColor color="warning">{i18n.UNSAVED_CHANGES}</EuiTextColor>;
-    } else {
-      statusContent = (
-        <>
-          {i18n.SAVED}
-          <FormattedRelative
-            data-test-subj="timeline-status"
-            key="timeline-status-autosaved"
-            value={new Date(updated)}
-          />
-        </>
-      );
+      statusContent = <EuiBadge color="warning">{i18n.UNSAVED_CHANGES}</EuiBadge>;
     }
+
+    if (!statusContent) return null;
+
     return (
       <NoWrapText size="xs" data-test-subj="timeline-status">
         {statusContent}

x-pack/plugins/security_solution/public/timelines/components/flyout/header/translations.ts

@@ -26,7 +26,7 @@ export const SAVED = i18n.translate('xpack.securitySolution.timeline.properties.
 export const UNSAVED_CHANGES = i18n.translate(
   'xpack.securitySolution.timeline.properties.hasChangesLabel',
   {
-    defaultMessage: 'Has unsaved changes',
+    defaultMessage: 'Unsaved changes',
   }
 );
 

x-pack/plugins/security_solution/public/timelines/components/timeline/index.tsx

@@ -19,7 +19,7 @@ import { defaultHeaders } from './body/column_headers/default_headers';
 import type { CellValueElementProps } from './cell_rendering';
 import { SourcererScopeName } from '../../../common/store/sourcerer/model';
 import { FlyoutHeaderPanel } from '../flyout/header';
-import type { TimelineId, RowRenderer } from '../../../../common/types/timeline';
+import type { TimelineId, RowRenderer, TimelineTabs } from '../../../../common/types/timeline';
 import { TimelineType } from '../../../../common/api/timeline';
 import { useDeepEqualSelector, useShallowEqualSelector } from '../../../common/hooks/use_selector';
 import { activeTimeline } from '../../containers/active_timeline_context';
@@ -82,6 +82,7 @@ const StatefulTimelineComponent: React.FC<Props> = ({
     initialized,
     show: isOpen,
     isLoading,
+    activeTab,
   } = useDeepEqualSelector((state) =>
     pick(
       [
@@ -95,6 +96,7 @@ const StatefulTimelineComponent: React.FC<Props> = ({
         'initialized',
         'show',
         'isLoading',
+        'activeTab',
       ],
       getTimeline(state, timelineId) ?? timelineDefaults
     )
@@ -195,6 +197,18 @@ const StatefulTimelineComponent: React.FC<Props> = ({
 
   const showTimelineTour = isOpen && !isLoading && canEditTimeline;
 
+  const handleSwitchToTab = useCallback(
+    (tab: TimelineTabs) => {
+      dispatch(
+        timelineActions.setActiveTabTimeline({
+          id: timelineId,
+          activeTab: tab,
+        })
+      );
+    },
+    [timelineId, dispatch]
+  );
+
   return (
     <TimelineContext.Provider value={timelineContext}>
       <TimelineContainer
@@ -230,7 +244,9 @@ const StatefulTimelineComponent: React.FC<Props> = ({
           />
         </div>
       </TimelineContainer>
-      {showTimelineTour ? <TimelineTour /> : null}
+      {showTimelineTour ? (
+        <TimelineTour activeTab={activeTab} switchToTab={handleSwitchToTab} />
+      ) : null}
     </TimelineContext.Provider>
   );
 };

x-pack/plugins/security_solution/public/timelines/components/timeline/properties/helpers.tsx

@@ -18,6 +18,7 @@ import { useShallowEqualSelector } from '../../../../common/hooks/use_selector';
 import * as i18n from './translations';
 import { useCreateTimelineButton } from './use_create_timeline';
 import { timelineDefaults } from '../../../store/timeline/defaults';
+import { TIMELINE_TOUR_CONFIG_ANCHORS } from '../tour/step_config';
 
 const NotesCountBadge = styled(EuiBadge)`
   margin-left: 5px;
@@ -56,7 +57,9 @@ const AddToFavoritesButtonComponent: React.FC<AddToFavoritesButtonProps> = ({
 
   return compact ? (
     <EuiButtonIcon
+      id={TIMELINE_TOUR_CONFIG_ANCHORS.ADD_TO_FAVORITES}
       iconType={isFavorite ? 'starFilled' : 'starEmpty'}
+      iconSize="m"
       isSelected={isFavorite}
       onClick={handleClick}
       data-test-subj={`timeline-favorite-${isFavorite ? 'filled' : 'empty'}-star`}
@@ -66,6 +69,7 @@ const AddToFavoritesButtonComponent: React.FC<AddToFavoritesButtonProps> = ({
     />
   ) : (
     <EuiButton
+      id={TIMELINE_TOUR_CONFIG_ANCHORS.ADD_TO_FAVORITES}
       isSelected={isFavorite}
       fill={isFavorite}
       iconType={isFavorite ? 'starFilled' : 'starEmpty'}