[EuiCallOut] Add onDismiss prop

src-docs/src/views/call_out/call_out_example.js

@@ -46,6 +46,15 @@ const dangerSnippet = [
 `,
 ];
 
+import OnDismiss from './on_dismiss';
+const onDismissSource = require('!!raw-loader!./on_dismiss');
+const onDismissSnippet = [
+  `<EuiCallOut onDismiss={onDismiss}>
+  <p><!-- Content --></p>
+</EuiCallOut>
+`,
+];
+
 export const CallOutExample = {
   title: 'Callout',
   intro: (
@@ -164,5 +173,23 @@ export const CallOutExample = {
       snippet: dangerSnippet,
       demo: <Danger />,
     },
+    {
+      title: 'Dismissible callouts',
+      source: [
+        {
+          type: GuideSectionTypes.TSX,
+          code: onDismissSource,
+        },
+      ],
+      text: (
+        <p>
+          To render a cross icon in the top right hand corner, pass an{' '}
+          <EuiCode>onDismiss</EuiCode> callback that handles conditionally
+          rendering your callout.
+        </p>
+      ),
+      snippet: onDismissSnippet,
+      demo: <OnDismiss />,
+    },
   ],
 };

src-docs/src/views/call_out/on_dismiss.tsx

@@ -0,0 +1,86 @@
+import React, { useState } from 'react';
+
+import {
+  EuiFlexGroup,
+  EuiSwitch,
+  EuiSpacer,
+  EuiButtonEmpty,
+  EuiCallOut,
+} from '../../../../src';
+
+export default () => {
+  const [showCallOut, setShowCallOut] = useState(
+    !localStorage.getItem('EuiCallOutOnDismissDemo')
+  );
+  const onDismiss = () => {
+    setShowCallOut(false);
+    localStorage.setItem('EuiCallOutOnDismissDemo', 'hidden');
+  };
+  const resetDemo = () => {
+    setShowCallOut(true);
+    localStorage.setItem('EuiCallOutOnDismissDemo', '');
+  };
+
+  // UI toggles
+  const [showTitle, setShowTitle] = useState(true);
+  const [showChildren, setShowChildren] = useState(true);
+  const [smallSize, setSmallSize] = useState(false);
+
+  return (
+    <div css={{ maxInlineSize: 500 }}>
+      <EuiFlexGroup>
+        <EuiSwitch
+          label="Show title"
+          checked={showTitle}
+          onChange={(e) => setShowTitle(e.target.checked)}
+          compressed
+        />
+        <EuiSwitch
+          label="Show children"
+          checked={showChildren}
+          onChange={(e) => setShowChildren(e.target.checked)}
+          compressed
+        />
+        <EuiSwitch
+          label="Small size"
+          checked={smallSize}
+          onChange={(e) => setSmallSize(e.target.checked)}
+          compressed
+        />
+      </EuiFlexGroup>
+      <EuiSpacer />
+      {showCallOut ? (
+        <EuiCallOut
+          onDismiss={onDismiss}
+          iconType="iInCircle"
+          title={
+            showTitle
+              ? 'You can dismiss this callout by clicking the Close button in the top right corner'
+              : ''
+          }
+          size={smallSize ? 's' : 'm'}
+        >
+          {showChildren && (
+            <>
+              <p>
+                Here’s more some stuff users need to know. But maybe users don't
+                need to know it on every page refresh, so you could remember
+                whether or not to display this callout in local storage.
+              </p>
+              {!showTitle && (
+                <p>
+                  This second paragraph is here to demonstrate that only the
+                  first one needs to account for the dismiss button in width.
+                </p>
+              )}
+            </>
+          )}
+        </EuiCallOut>
+      ) : (
+        <EuiButtonEmpty onClick={resetDemo}>
+          The callout has been dismissed. Click to reset the demo
+        </EuiButtonEmpty>
+      )}
+    </div>
+  );
+};

src-docs/src/views/call_out/playground.js

@@ -3,6 +3,8 @@ import { EuiCallOut, EuiText } from '../../../../src/components/';
 import {
   propUtilityForPlayground,
   iconValidator,
+  simulateFunction,
+  dummyFunction,
 } from '../../services/playground';
 
 export default () => {
@@ -29,6 +31,8 @@ export default () => {
     hidden: false,
   };
 
+  propsToUse.onDismiss = simulateFunction(propsToUse.onDismiss);
+
   return {
     config: {
       componentName: 'EuiCallOut',
@@ -42,6 +46,9 @@ export default () => {
           named: ['EuiCallOut', 'EuiText'],
         },
       },
+      customProps: {
+        onDismiss: dummyFunction,
+      },
     },
   };
 };

src/components/call_out/__snapshots__/call_out.test.tsx.snap

@@ -7,7 +7,7 @@ exports[`EuiCallOut is rendered 1`] = `
   data-test-subj="test subject string"
 >
   <div
-    class="euiText emotion-euiText-s-euiTextColor-default-euiCallOut__description"
+    class="euiText emotion-euiText-s-euiTextColor-default"
   >
     Content
   </div>
@@ -96,7 +96,10 @@ exports[`EuiCallOut props title is rendered 1`] = `
     Title
   </p>
   <div
-    class="euiText emotion-euiText-s-euiTextColor-default-euiCallOut__description"
+    class="euiSpacer euiSpacer--s emotion-euiSpacer-s"
+  />
+  <div
+    class="euiText emotion-euiText-s-euiTextColor-default"
   >
     Content
   </div>

src/components/call_out/call_out.styles.ts

@@ -12,17 +12,44 @@ import { UseEuiTheme } from '../../services';
 
 export const euiCallOutStyles = ({ euiTheme }: UseEuiTheme) => {
   return {
-    euiCallOut: css``,
+    euiCallOut: css`
+      position: relative;
+    `,
+    hasDismissButton: {
+      // Ensure that only the top-most (first-child) title or child text
+      // has a padding-right on it (to account for the dismiss button)
+      hasDimissButton: css`
+        & > :first-child:is(.euiTitle),
+        & > :first-child:is(.euiText) > :first-child {
+          ${logicalCSS('padding-right', euiTheme.size.base)}
+        }
+      `,
+      // Ensure the callout always has enough height for the button
+      s: css`
+        ${logicalCSS('min-height', euiTheme.size.xl)}
+      `,
+      m: css`
+        ${logicalCSS('min-height', euiTheme.size.xxl)}
+      `,
+    },
+    dismissButton: {
+      euiCallOut__dismissButton: css`
+        position: absolute;
+      `,
+      s: css`
+        ${logicalCSS('top', euiTheme.size.xs)}
+        ${logicalCSS('right', euiTheme.size.xs)}
+      `,
+      m: css`
+        ${logicalCSS('top', euiTheme.size.s)}
+        ${logicalCSS('right', euiTheme.size.s)}
+      `,
+    },
     euiCallOut__icon: css`
       position: relative;
       ${logicalCSS('top', '-1px')}
       ${logicalCSS('margin-right', euiTheme.size.s)}
     `,
-    euiCallOut__description: css`
-      :not(:only-child) {
-        ${logicalCSS('margin-top', euiTheme.size.s)}
-      }
-    `,
   };
 };
 
@@ -36,7 +63,6 @@ export const euiCallOutHeadingStyles = ({ euiTheme }: UseEuiTheme) => {
         // In case it's nested inside EuiText
       )}
     `,
-
     primary: css`
       color: ${euiTheme.colors.primaryText};
     `,

src/components/call_out/call_out.test.tsx

@@ -7,6 +7,7 @@
  */
 
 import React from 'react';
+import { fireEvent } from '@testing-library/react';
 import { requiredProps } from '../../test/required_props';
 import { render } from '../../test/rtl';
 
@@ -59,5 +60,15 @@ describe('EuiCallOut', () => {
         });
       });
     });
+
+    test('onDismiss', () => {
+      const onDismiss = jest.fn();
+      const { getByTestSubject } = render(
+        <EuiCallOut onDismiss={onDismiss}>Content</EuiCallOut>
+      );
+
+      fireEvent.click(getByTestSubject('euiDismissCalloutButton'));
+      expect(onDismiss).toHaveBeenCalledTimes(1);
+    });
   });
 });