[APM] Add support for dark mode

x-pack/plugins/apm/public/application/index.tsx

@@ -8,8 +8,9 @@ import { ApmRoute } from '@elastic/apm-rum-react';
 import React from 'react';
 import ReactDOM from 'react-dom';
 import { Route, Router, Switch } from 'react-router-dom';
-import styled from 'styled-components';
-import { EuiThemeProvider } from '../../../observability/public';
+import styled, { ThemeProvider, DefaultTheme } from 'styled-components';
+import euiDarkVars from '@elastic/eui/dist/eui_theme_dark.json';
+import euiLightVars from '@elastic/eui/dist/eui_theme_light.json';
 import { CoreStart, AppMountParameters } from '../../../../../src/core/public';
 import { ApmPluginSetupDeps } from '../plugin';
 import { ApmPluginContext } from '../context/ApmPluginContext';
@@ -41,7 +42,13 @@ const App = () => {
   const [darkMode] = useUiSetting$<boolean>('theme:darkMode');
 
   return (
-    <EuiThemeProvider darkMode={darkMode}>
+    <ThemeProvider
+      theme={(outerTheme?: DefaultTheme) => ({
+        ...outerTheme,
+        eui: darkMode ? euiDarkVars : euiLightVars,
+        darkMode,
+      })}
+    >
       <MainContainer data-test-subj="apmMainContainer" role="main">
         <UpdateBreadcrumbs routes={routes} />
         <Route component={ScrollToTopOnPathChange} />
@@ -53,7 +60,7 @@ const App = () => {
           </Switch>
         </APMIndicesPermission>
       </MainContainer>
-    </EuiThemeProvider>
+    </ThemeProvider>
   );
 };
 

x-pack/plugins/apm/public/components/app/ErrorGroupDetails/index.tsx

@@ -13,7 +13,6 @@ import {
   EuiText,
   EuiTitle,
 } from '@elastic/eui';
-import theme from '@elastic/eui/dist/eui_theme_light.json';
 import { i18n } from '@kbn/i18n';
 import React, { Fragment } from 'react';
 import styled from 'styled-components';
@@ -37,7 +36,7 @@ const Titles = styled.div`
 const Label = styled.div`
   margin-bottom: ${px(units.quarter)};
   font-size: ${fontSizes.small};
-  color: ${theme.euiColorMediumShade};
+  color: ${({ theme }) => theme.eui.euiColorMediumShade};
 `;
 
 const Message = styled.div`

x-pack/plugins/apm/public/components/app/ServiceMap/BetaBadge.tsx

@@ -5,15 +5,14 @@
  */
 
 import { EuiBetaBadge } from '@elastic/eui';
-import theme from '@elastic/eui/dist/eui_theme_light.json';
 import { i18n } from '@kbn/i18n';
 import React from 'react';
 import styled from 'styled-components';
 
 const BetaBadgeContainer = styled.div`
-  right: ${theme.gutterTypes.gutterMedium};
+  right: ${({ theme }) => theme.eui.gutterTypes.gutterMedium};
   position: absolute;
-  top: ${theme.gutterTypes.gutterSmall};
+  top: ${({ theme }) => theme.eui.gutterTypes.gutterSmall};
   z-index: 1; /* The element containing the cytoscape canvas has z-index = 0. */
 `;
 

x-pack/plugins/apm/public/components/app/ServiceMap/Controls.tsx

@@ -4,41 +4,44 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
+import React, { useContext, useEffect, useState } from 'react';
 import { EuiButtonIcon, EuiPanel, EuiToolTip } from '@elastic/eui';
-import theme from '@elastic/eui/dist/eui_theme_light.json';
 import { i18n } from '@kbn/i18n';
-import React, { useContext, useEffect, useState } from 'react';
 import styled from 'styled-components';
 import { CytoscapeContext } from './Cytoscape';
-import { animationOptions, nodeHeight } from './cytoscapeOptions';
+import { getAnimationOptions, getNodeHeight } from './cytoscapeOptions';
 import { getAPMHref } from '../../shared/Links/apm/APMLink';
 import { useUrlParams } from '../../../hooks/useUrlParams';
 import { APMQueryParams } from '../../shared/Links/url_helpers';
+import { useTheme } from '../../../hooks/useTheme';
 
 const ControlsContainer = styled('div')`
-  left: ${theme.gutterTypes.gutterMedium};
+  left: ${({ theme }) => theme.eui.gutterTypes.gutterMedium};
   position: absolute;
-  top: ${theme.gutterTypes.gutterSmall};
+  top: ${({ theme }) => theme.eui.gutterTypes.gutterSmall};
   z-index: 1; /* The element containing the cytoscape canvas has z-index = 0. */
 `;
 
 const Button = styled(EuiButtonIcon)`
   display: block;
-  margin: ${theme.paddingSizes.xs};
+  margin: ${({ theme }) => theme.eui.paddingSizes.xs};
 `;
 
 const ZoomInButton = styled(Button)`
-  margin-bottom: ${theme.paddingSizes.s};
+  margin-bottom: ${({ theme }) => theme.eui.paddingSizes.s};
 `;
 
 const Panel = styled(EuiPanel)`
-  margin-bottom: ${theme.paddingSizes.s};
+  margin-bottom: ${({ theme }) => theme.eui.paddingSizes.s};
 `;
 
-const duration = parseInt(theme.euiAnimSpeedFast, 10);
 const steps = 5;
 
-function doZoom(cy: cytoscape.Core | undefined, increment: number) {
+function doZoom(
+  cy: cytoscape.Core | undefined,
+  increment: number,
+  duration: number
+) {
   if (cy) {
     const level = cy.zoom() + increment;
     // @ts-ignore `.position()` _does_ work on a NodeCollection. It returns the position of the first element in the collection.
@@ -93,10 +96,12 @@ function useDebugDownloadUrl(cy?: cytoscape.Core) {
 }
 
 export function Controls() {
+  const theme = useTheme();
   const cy = useContext(CytoscapeContext);
   const { urlParams } = useUrlParams();
   const currentSearch = urlParams.kuery ?? '';
   const [zoom, setZoom] = useState((cy && cy.zoom()) || 1);
+  const duration = parseInt(theme.eui.euiAnimSpeedFast, 10);
   const downloadUrl = useDebugDownloadUrl(cy);
 
   // Handle zoom events
@@ -120,19 +125,19 @@ export function Controls() {
     if (cy) {
       const eles = cy.nodes();
       cy.animate({
-        ...animationOptions,
+        ...getAnimationOptions(theme),
         center: { eles },
-        fit: { eles, padding: nodeHeight },
+        fit: { eles, padding: getNodeHeight(theme) },
       });
     }
   }
 
   function zoomIn() {
-    doZoom(cy, increment);
+    doZoom(cy, increment, duration);
   }
 
   function zoomOut() {
-    doZoom(cy, -increment);
+    doZoom(cy, -increment, duration);
   }
 
   if (!cy) {

x-pack/plugins/apm/public/components/app/ServiceMap/Cytoscape.tsx

@@ -4,7 +4,6 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
-import cytoscape from 'cytoscape';
 import React, {
   createContext,
   CSSProperties,
@@ -13,11 +12,13 @@ import React, {
   useRef,
   useState,
 } from 'react';
+import cytoscape from 'cytoscape';
 import { debounce } from 'lodash';
+import { useTheme } from '../../../hooks/useTheme';
 import {
-  animationOptions,
-  cytoscapeOptions,
-  nodeHeight,
+  getAnimationOptions,
+  getCytoscapeOptions,
+  getNodeHeight,
 } from './cytoscapeOptions';
 import { useUiTracker } from '../../../../../observability/public';
 
@@ -73,7 +74,8 @@ function rotatePoint(
 function getLayoutOptions(
   selectedRoots: string[],
   height: number,
-  width: number
+  width: number,
+  nodeHeight: number
 ): cytoscape.LayoutOptions {
   return {
     name: 'breadthfirst',
@@ -111,11 +113,14 @@ export function Cytoscape({
   serviceName,
   style,
 }: CytoscapeProps) {
+  const theme = useTheme();
   const [ref, cy] = useCytoscape({
-    ...cytoscapeOptions,
+    ...getCytoscapeOptions(theme),
     elements,
   });
 
+  const nodeHeight = getNodeHeight(theme);
+
   // Add the height to the div style. The height is a separate prop because it
   // is required and can trigger rendering when changed.
   const divStyle = { ...style, height };
@@ -149,7 +154,7 @@ export function Cytoscape({
 
         const selectedRoots = selectRoots(event.cy);
         const layout = cy.layout(
-          getLayoutOptions(selectedRoots, height, width)
+          getLayoutOptions(selectedRoots, height, width, nodeHeight)
         );
 
         layout.run();
@@ -162,7 +167,7 @@ export function Cytoscape({
       layoutstopDelayTimeout = setTimeout(() => {
         if (serviceName) {
           event.cy.animate({
-            ...animationOptions,
+            ...getAnimationOptions(theme),
             fit: {
               eles: event.cy.elements(),
               padding: nodeHeight,
@@ -237,7 +242,16 @@ export function Cytoscape({
       }
       clearTimeout(layoutstopDelayTimeout);
     };
-  }, [cy, elements, height, serviceName, trackApmEvent, width]);
+  }, [
+    cy,
+    elements,
+    height,
+    serviceName,
+    trackApmEvent,
+    width,
+    nodeHeight,
+    theme,
+  ]);
 
   return (
     <CytoscapeContext.Provider value={cy}>

x-pack/plugins/apm/public/components/app/ServiceMap/EmptyBanner.test.tsx

@@ -4,12 +4,13 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
-import { act, render, wait } from '@testing-library/react';
-import cytoscape from 'cytoscape';
 import React, { FunctionComponent } from 'react';
+import { act, wait } from '@testing-library/react';
+import cytoscape from 'cytoscape';
 import { CytoscapeContext } from './Cytoscape';
 import { EmptyBanner } from './EmptyBanner';
 import { MockApmPluginContextWrapper } from '../../../context/ApmPluginContext/MockApmPluginContext';
+import { renderWithTheme } from '../../../utils/testHelpers';
 
 const cy = cytoscape({});
 
@@ -29,7 +30,7 @@ describe('EmptyBanner', () => {
           </CytoscapeContext.Provider>
         </MockApmPluginContextWrapper>
       );
-      const component = render(<EmptyBanner />, {
+      const component = renderWithTheme(<EmptyBanner />, {
         wrapper: noCytoscapeWrapper,
       });
 
@@ -39,7 +40,7 @@ describe('EmptyBanner', () => {
 
   describe('with no nodes', () => {
     it('renders null', () => {
-      const component = render(<EmptyBanner />, {
+      const component = renderWithTheme(<EmptyBanner />, {
         wrapper,
       });
 
@@ -49,7 +50,7 @@ describe('EmptyBanner', () => {
 
   describe('with one node', () => {
     it('does not render null', async () => {
-      const component = render(<EmptyBanner />, { wrapper });
+      const component = renderWithTheme(<EmptyBanner />, { wrapper });
 
       await act(async () => {
         cy.add({ data: { id: 'test id' } });

x-pack/plugins/apm/public/components/app/ServiceMap/EmptyBanner.tsx

@@ -4,26 +4,27 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
+import React, { useContext, useEffect, useState } from 'react';
 import { EuiCallOut } from '@elastic/eui';
-import lightTheme from '@elastic/eui/dist/eui_theme_light.json';
 import { i18n } from '@kbn/i18n';
-import React, { useContext, useEffect, useState } from 'react';
 import styled from 'styled-components';
 import { ElasticDocsLink } from '../../shared/Links/ElasticDocsLink';
 import { CytoscapeContext } from './Cytoscape';
+import { useTheme } from '../../../hooks/useTheme';
 
 const EmptyBannerContainer = styled.div`
-  margin: ${lightTheme.gutterTypes.gutterSmall};
+  margin: ${({ theme }) => theme.eui.gutterTypes.gutterSmall};
   /* Add some extra margin so it displays to the right of the controls. */
   left: calc(
-    ${lightTheme.gutterTypes.gutterExtraLarge} +
-      ${lightTheme.gutterTypes.gutterSmall}
+    ${({ theme }) => theme.eui.gutterTypes.gutterExtraLarge} +
+      ${({ theme }) => theme.eui.gutterTypes.gutterSmall}
   );
   position: absolute;
   z-index: 1;
 `;
 
 export function EmptyBanner() {
+  const theme = useTheme();
   const cy = useContext(CytoscapeContext);
   const [nodeCount, setNodeCount] = useState(0);
 
@@ -51,8 +52,8 @@ export function EmptyBanner() {
   // subtract the space for controls and margins.
   const width =
     cy.width() -
-    parseInt(lightTheme.gutterTypes.gutterExtraLarge, 10) -
-    parseInt(lightTheme.gutterTypes.gutterLarge, 10);
+    parseInt(theme.eui.gutterTypes.gutterExtraLarge, 10) -
+    parseInt(theme.eui.gutterTypes.gutterLarge, 10);
 
   return (
     <EmptyBannerContainer style={{ width }}>

x-pack/plugins/apm/public/components/app/ServiceMap/LoadingOverlay.tsx

@@ -4,7 +4,6 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
-import theme from '@elastic/eui/dist/eui_theme_light.json';
 import React from 'react';
 import { EuiProgress, EuiText, EuiSpacer } from '@elastic/eui';
 import styled from 'styled-components';
@@ -22,7 +21,7 @@ const Overlay = styled.div`
   flex-direction: column;
   align-items: center;
   width: 100%;
-  padding: ${theme.gutterTypes.gutterMedium};
+  padding: ${({ theme }) => theme.eui.gutterTypes.gutterMedium};
 `;
 
 const ProgressBarContainer = styled.div`

x-pack/plugins/apm/public/components/app/ServiceMap/Popover/Info.tsx

@@ -4,7 +4,6 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
-import lightTheme from '@elastic/eui/dist/eui_theme_light.json';
 import { i18n } from '@kbn/i18n';
 import cytoscape from 'cytoscape';
 import React from 'react';
@@ -19,7 +18,7 @@ const ItemRow = styled.div`
 `;
 
 const ItemTitle = styled.dt`
-  color: ${lightTheme.textColors.subdued};
+  color: ${({ theme }) => theme.eui.textColors.subdued};
 `;
 
 const ItemDescription = styled.dd``;

x-pack/plugins/apm/public/components/app/ServiceMap/Popover/ServiceMetricList.tsx

@@ -5,7 +5,6 @@
  */
 
 import { EuiFlexGroup, EuiLoadingSpinner } from '@elastic/eui';
-import lightTheme from '@elastic/eui/dist/eui_theme_light.json';
 import { i18n } from '@kbn/i18n';
 import { isNumber } from 'lodash';
 import React from 'react';
@@ -30,7 +29,7 @@ export const ItemRow = styled('tr')`
 `;
 
 export const ItemTitle = styled('td')`
-  color: ${lightTheme.textColors.subdued};
+  color: ${({ theme }) => theme.eui.textColors.subdued};
   padding-right: 1rem;
 `;