[Web] Change tooltip component to accept generic content

src/components/Tooltip/TooltipRenderedOnPageBody.js

@@ -36,16 +36,21 @@ const propTypes = {
     /** Text to be shown in the tooltip */
     text: PropTypes.string.isRequired,
 
-    /** Number of pixels to set max-width on tooltip  */
-    maxWidth: PropTypes.number.isRequired,
-
     /** Maximum number of lines to show in tooltip */
     numberOfLines: PropTypes.number.isRequired,
+
+    /** Number of pixels to set max-width on tooltip  */
+    maxWidth: PropTypes.number,
+
+    /** Render custom content inside the tooltip. Note: This cannot be used together with the text props. */
+    renderTooltipContent: PropTypes.func,
 };
 
 const defaultProps = {
     shiftHorizontal: 0,
     shiftVertical: 0,
+    renderTooltipContent: undefined,
+    maxWidth: 0,
 };
 
 // Props will change frequently.
@@ -57,35 +62,41 @@ class TooltipRenderedOnPageBody extends React.PureComponent {
     constructor(props) {
         super(props);
         this.state = {
-            // The width of tooltip's inner text
-            tooltipTextWidth: 0,
+            // The width of tooltip's inner content. Has to be undefined in the beginning
+            // as a width of 0 will cause the content to be rendered of a width of 0,
+            // which prevents us from measuring it correctly.
+            tooltipContentWidth: undefined,
 
             // The width and height of the tooltip itself
             tooltipWidth: 0,
             tooltipHeight: 0,
         };
 
         this.measureTooltip = this.measureTooltip.bind(this);
-        this.updateTooltipTextWidth = this.updateTooltipTextWidth.bind(this);
+        this.updateTooltipContentWidth = this.updateTooltipContentWidth.bind(this);
     }
 
     componentDidMount() {
-        this.updateTooltipTextWidth();
+        this.updateTooltipContentWidth();
     }
 
     componentDidUpdate(prevProps) {
-        if (prevProps.text === this.props.text) {
+        if (prevProps.text === this.props.text && prevProps.renderTooltipContent === this.props.renderTooltipContent) {
             return;
         }
 
         // Reset the tooltip text width to 0 so that we can measure it again.
         // eslint-disable-next-line react/no-did-update-set-state
-        this.setState({tooltipTextWidth: 0}, this.updateTooltipTextWidth);
+        this.setState({tooltipContentWidth: undefined}, this.updateTooltipContentWidth);
     }
 
-    updateTooltipTextWidth() {
+    updateTooltipContentWidth() {
+        if (!this.contentRef) {
+            return;
+        }
+
         this.setState({
-            tooltipTextWidth: this.textRef.offsetWidth,
+            tooltipContentWidth: this.contentRef.offsetWidth,
         });
     }
 
@@ -118,32 +129,45 @@ class TooltipRenderedOnPageBody extends React.PureComponent {
             this.props.maxWidth,
             this.state.tooltipWidth,
             this.state.tooltipHeight,
-            this.state.tooltipTextWidth,
+            this.state.tooltipContentWidth,
             this.props.shiftHorizontal,
             this.props.shiftVertical,
         );
+
+        const contentRef = (ref) => {
+            // Once the content for the tooltip first renders, update the width of the tooltip dynamically to fit the width of the content.
+            // Note that we can't have this code in componentDidMount because the ref for the content won't be set until after the first render
+            if (this.contentRef) {
+                return;
+            }
+
+            this.contentRef = ref;
+            this.updateTooltipContentWidth();
+        };
+
+        let content;
+        if (this.props.renderTooltipContent) {
+            content = (
+                <View ref={contentRef}>
+                    {this.props.renderTooltipContent()}
+                </View>
+            );
+        } else {
+            content = (
+                <Text numberOfLines={this.props.numberOfLines} style={tooltipTextStyle}>
+                    <Text style={tooltipTextStyle} ref={contentRef}>
+                        {this.props.text}
+                    </Text>
+                </Text>
+            );
+        }
+
         return ReactDOM.createPortal(
             <Animated.View
                 onLayout={this.measureTooltip}
                 style={[tooltipWrapperStyle, animationStyle]}
             >
-                <Text numberOfLines={this.props.numberOfLines} style={tooltipTextStyle}>
-                    <Text
-                        style={tooltipTextStyle}
-                        ref={(ref) => {
-                            // Once the text for the tooltip first renders, update the width of the tooltip dynamically to fit the width of the text.
-                            // Note that we can't have this code in componentDidMount because the ref for the text won't be set until after the first render
-                            if (this.textRef) {
-                                return;
-                            }
-
-                            this.textRef = ref;
-                            this.updateTooltipTextWidth();
-                        }}
-                    >
-                        {this.props.text}
-                    </Text>
-                </Text>
+                {content}
                 <View style={pointerWrapperStyle}>
                     <View style={pointerStyle} />
                 </View>

src/components/Tooltip/index.js

@@ -142,8 +142,9 @@ class Tooltip extends PureComponent {
     }
 
     render() {
-        // Skip the tooltip and return the children if the text is empty or the device does not support hovering
-        if (_.isEmpty(this.props.text) || !this.hasHoverSupport) {
+        // Skip the tooltip and return the children if the text is empty,
+        // we don't have a render function or the device does not support hovering
+        if ((_.isEmpty(this.props.text) && this.props.renderTooltipContent == null) || !this.hasHoverSupport) {
             return this.props.children;
         }
         let child = (
@@ -180,6 +181,7 @@ class Tooltip extends PureComponent {
                 focusable: true,
             });
         }
+
         return (
             <>
                 {this.state.isRendered && (
@@ -195,6 +197,7 @@ class Tooltip extends PureComponent {
                         text={this.props.text}
                         maxWidth={this.props.maxWidth}
                         numberOfLines={this.props.numberOfLines}
+                        renderTooltipContent={this.props.renderTooltipContent}
                     />
                 )}
                 <Hoverable

src/components/Tooltip/tooltipPropTypes.js

@@ -10,6 +10,9 @@ const propTypes = {
     /** The text to display in the tooltip. */
     text: PropTypes.string,
 
+    /** Maximum number of lines to show in tooltip */
+    numberOfLines: PropTypes.number,
+
     /** Styles to be assigned to the Tooltip wrapper views */
     containerStyles: PropTypes.arrayOf(PropTypes.object),
 
@@ -30,8 +33,8 @@ const propTypes = {
     /** Number of pixels to set max-width on tooltip  */
     maxWidth: PropTypes.number,
 
-    /** Maximum number of lines to show in tooltip */
-    numberOfLines: PropTypes.number,
+    /** Render custom content inside the tooltip. Note: This cannot be used together with the text props. */
+    renderTooltipContent: PropTypes.func,
 };
 
 const defaultProps = {
@@ -42,6 +45,7 @@ const defaultProps = {
     text: '',
     maxWidth: variables.sideBarWidth,
     numberOfLines: CONST.TOOLTIP_MAX_LINES,
+    renderTooltipContent: undefined,
 };
 
 export {

src/stories/Tooltip.stories.js

@@ -0,0 +1,92 @@
+import React from 'react';
+import Tooltip from '../components/Tooltip';
+
+/**
+ * We use the Component Story Format for writing stories. Follow the docs here:
+ *
+ * https://storybook.js.org/docs/react/writing-stories/introduction#component-story-format
+ */
+const story = {
+    title: 'Components/Tooltip',
+    component: Tooltip,
+};
+
+// eslint-disable-next-line react/jsx-props-no-spreading
+const Template = args => (
+    <div style={{
+        width: 100,
+    }}
+    >
+        {/* eslint-disable-next-line react/jsx-props-no-spreading */}
+        <Tooltip {...args} maxWidth={args.maxWidth || undefined}>
+            <div style={{
+                width: 100,
+                height: 60,
+                display: 'flex',
+                backgroundColor: 'red',
+                justifyContent: 'center',
+                alignItems: 'center',
+            }}
+            >
+                Hover me
+            </div>
+        </Tooltip>
+    </div>
+);
+
+// Arguments can be passed to the component by binding
+// See: https://storybook.js.org/docs/react/writing-stories/introduction#using-args
+const Default = Template.bind({});
+Default.args = {
+    text: 'Tooltip',
+    numberOfLines: 1,
+    maxWidth: 0,
+    absolute: false,
+};
+
+const RenderContent = () => {
+    const [size, setSize] = React.useState(40);
+
+    const renderTooltipContent = () => (
+        <div style={{
+            width: size,
+            height: size,
+            backgroundColor: 'blue',
+        }}
+        />
+    );
+
+    return (
+        <div style={{
+            width: 100,
+        }}
+        >
+            {/* eslint-disable-next-line react/jsx-props-no-spreading */}
+            <Tooltip renderTooltipContent={renderTooltipContent}>
+                {/* eslint-disable-next-line jsx-a11y/no-static-element-interactions */}
+                <div
+                    onClick={() => setSize(size + 25)}
+                    style={{
+                        width: 100,
+                        height: 60,
+                        display: 'flex',
+                        backgroundColor: 'red',
+                        justifyContent: 'center',
+                        alignItems: 'center',
+                    }}
+                >
+                    Hover me
+                    {' '}
+                    {'\n'}
+                    Press me change content
+                </div>
+            </Tooltip>
+        </div>
+    );
+};
+
+export default story;
+export {
+    Default,
+    RenderContent,
+};

src/styles/getTooltipStyles.js

@@ -63,7 +63,7 @@ function computeHorizontalShift(windowWidth, xOffset, componentWidth, tooltipWid
  * @param {Number} maxWidth - The tooltip's max width.
  * @param {Number} tooltipWidth - The width of the tooltip itself.
  * @param {Number} tooltipHeight - The height of the tooltip itself.
- * @param {Number} tooltipTextWidth - The tooltip's inner text width.
+ * @param {Number} tooltipContentWidth - The tooltip's inner content width.
  * @param {Number} [manualShiftHorizontal] - Any additional amount to manually shift the tooltip to the left or right.
  *                                         A positive value shifts it to the right,
  *                                         and a negative value shifts it to the left.
@@ -81,7 +81,7 @@ export default function getTooltipStyles(
     maxWidth,
     tooltipWidth,
     tooltipHeight,
-    tooltipTextWidth,
+    tooltipContentWidth,
     manualShiftHorizontal = 0,
     manualShiftVertical = 0,
 ) {
@@ -99,10 +99,10 @@ export default function getTooltipStyles(
 
     // We get wrapper width based on the tooltip's inner text width so the wrapper is just big enough to fit text and prevent white space.
     // If the text width is less than the maximum available width, add horizontal padding.
-    // Note: tooltipTextWidth ignores the fractions (OffsetWidth) so add 1px to fit the text properly.
-    const wrapperWidth = tooltipTextWidth && tooltipTextWidth < maxWidth
-        ? tooltipTextWidth + (spacing.ph2.paddingHorizontal * 2) + 1
-        : maxWidth;
+    // Note: tooltipContentWidth ignores the fractions (OffsetWidth) so add 1px to fit the text properly.
+    const wrapperWidth = tooltipContentWidth && (tooltipContentWidth < maxWidth
+        ? tooltipContentWidth + (spacing.ph2.paddingHorizontal * 2) + 1
+        : maxWidth);
 
     // Hide the tooltip entirely if it's position hasn't finished measuring yet. This prevents UI jank where the tooltip flashes in the top left corner of the screen.
     const opacity = (xOffset === 0 && yOffset === 0) ? 0 : 1;