feat: Added pointerEvents style equivalent to pointerEvents prop (facebook#34586)

Summary:
This adds `pointerEvents` style which is equivalent to `pointerEvents` prop as requested in facebook#34425

## Changelog

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[General] [Added] - Added pointerEvents style equivalent to pointerEvents prop

Pull Request resolved: facebook#34586

Test Plan:
```
<View
   style={{
     pointerEvents: 'none'
   }}
 >
</View>
```

Reviewed By: cipolleschi

Differential Revision: D39252830

Pulled By: jacdebug

fbshipit-source-id: 94f265a6b6940a4371e7985d5de3b8143693e069

Author: cyrus25

Libraries/Components/View/ReactNativeStyleAttributes.js

@@ -111,6 +111,7 @@ const ReactNativeStyleAttributes: {[string]: AnyAttributeType, ...} = {
   borderTopRightRadius: true,
   borderTopStartRadius: true,
   opacity: true,
+  pointerEvents: true,
 
   /**
    * Text

Libraries/Components/View/View.js

@@ -12,6 +12,7 @@ import type {ViewProps} from './ViewPropTypes';
 
 import ViewNativeComponent from './ViewNativeComponent';
 import TextAncestor from '../../Text/TextAncestor';
+import flattenStyle from '../../StyleSheet/flattenStyle';
 import * as React from 'react';
 
 export type Props = ViewProps;
@@ -27,12 +28,19 @@ const View: React.AbstractComponent<
   ViewProps,
   React.ElementRef<typeof ViewNativeComponent>,
 > = React.forwardRef(
-  ({tabIndex, focusable, ...otherProps}: ViewProps, forwardedRef) => {
+  (
+    {tabIndex, focusable, style, pointerEvents, ...otherProps}: ViewProps,
+    forwardedRef,
+  ) => {
+    const flattendStyle = flattenStyle(style);
+    const newPointerEvents = pointerEvents || flattendStyle?.pointerEvents;
     return (
       <TextAncestor.Provider value={false}>
         <ViewNativeComponent
           focusable={tabIndex !== undefined ? !tabIndex : focusable}
           {...otherProps}
+          style={style}
+          pointerEvents={newPointerEvents}
           ref={forwardedRef}
         />
       </TextAncestor.Provider>

Libraries/StyleSheet/StyleSheetTypes.js

@@ -558,6 +558,7 @@ export type ____ViewStyle_InternalCore = $ReadOnly<{
   borderTopWidth?: number | AnimatedNode,
   opacity?: number | AnimatedNode,
   elevation?: number,
+  pointerEvents?: 'auto' | 'none' | 'box-none' | 'box-only',
 }>;
 
 export type ____ViewStyle_Internal = $ReadOnly<{

packages/rn-tester/js/examples/PointerEvents/PointerEventsExample.js

@@ -95,6 +95,36 @@ class NoneExample extends React.Component<$FlowFixMeProps> {
   }
 }
 
+class NoneStyleExample extends React.Component<$FlowFixMeProps> {
+  render(): React.Node {
+    return (
+      <View
+        onTouchStart={() => this.props.onLog('A unspecified touched')}
+        style={styles.box}>
+        <DemoText style={styles.text}>A: unspecified</DemoText>
+        <View
+          onTouchStart={() => this.props.onLog('B none touched')}
+          style={[
+            styles.box,
+            styles.boxPassedThrough,
+            styles.pointerEventNone,
+          ]}>
+          <DemoText style={[styles.text, styles.textPassedThrough]}>
+            B: none
+          </DemoText>
+          <View
+            onTouchStart={() => this.props.onLog('C unspecified touched')}
+            style={[styles.box, styles.boxPassedThrough]}>
+            <DemoText style={[styles.text, styles.textPassedThrough]}>
+              C: unspecified
+            </DemoText>
+          </View>
+        </View>
+      </View>
+    );
+  }
+}
+
 /**
  * Special demo text that makes itself untouchable so that it doesn't destroy
  * the experiment and confuse the output.
@@ -142,6 +172,41 @@ class BoxNoneExample extends React.Component<$FlowFixMeProps> {
   }
 }
 
+class BoxNoneStyleExample extends React.Component<$FlowFixMeProps> {
+  render(): React.Node {
+    return (
+      <View
+        onTouchStart={() => this.props.onLog('A unspecified touched')}
+        style={styles.box}>
+        <DemoText style={styles.text}>A: unspecified</DemoText>
+        <View
+          onTouchStart={() => this.props.onLog('B box-none touched')}
+          style={[
+            styles.box,
+            styles.boxPassedThrough,
+            styles.pointerEventBoxNone,
+          ]}>
+          <DemoText style={[styles.text, styles.textPassedThrough]}>
+            B: box-none
+          </DemoText>
+          <View
+            onTouchStart={() => this.props.onLog('C unspecified touched')}
+            style={styles.box}>
+            <DemoText style={styles.text}>C: unspecified</DemoText>
+          </View>
+          <View
+            onTouchStart={() =>
+              this.props.onLog('C explicitly unspecified touched')
+            }
+            style={[styles.box, styles.pointerEventAuto]}>
+            <DemoText style={[styles.text]}>C: explicitly unspecified</DemoText>
+          </View>
+        </View>
+      </View>
+    );
+  }
+}
+
 class BoxOnlyExample extends React.Component<$FlowFixMeProps> {
   render(): React.Node {
     return (
@@ -177,6 +242,43 @@ class BoxOnlyExample extends React.Component<$FlowFixMeProps> {
   }
 }
 
+class BoxOnlyStyleExample extends React.Component<$FlowFixMeProps> {
+  render(): React.Node {
+    return (
+      <View
+        onTouchStart={() => this.props.onLog('A unspecified touched')}
+        style={styles.box}>
+        <DemoText style={styles.text}>A: unspecified</DemoText>
+        <View
+          onTouchStart={() => this.props.onLog('B box-only touched')}
+          style={[styles.box, styles.pointerEventBoxOnly]}>
+          <DemoText style={styles.text}>B: box-only</DemoText>
+          <View
+            onTouchStart={() => this.props.onLog('C unspecified touched')}
+            style={[styles.box, styles.boxPassedThrough]}>
+            <DemoText style={[styles.text, styles.textPassedThrough]}>
+              C: unspecified
+            </DemoText>
+          </View>
+          <View
+            onTouchStart={() =>
+              this.props.onLog('C explicitly unspecified touched')
+            }
+            style={[
+              styles.box,
+              styles.boxPassedThrough,
+              styles.pointerEventAuto,
+            ]}>
+            <DemoText style={[styles.text, styles.textPassedThrough]}>
+              C: explicitly unspecified
+            </DemoText>
+          </View>
+        </View>
+      </View>
+    );
+  }
+}
+
 type OverflowExampleProps = $ReadOnly<{|
   overflow: 'hidden' | 'visible',
   onLog: (msg: string) => void,
@@ -242,18 +344,36 @@ const exampleClasses: Array<ExampleClass> = [
     description:
       '`none` causes touch events on the container and its child components to pass through to the parent container.',
   },
+  {
+    Component: NoneStyleExample,
+    title: '`none` style',
+    description:
+      '`none` causes touch events on the container and its child components to pass through to the parent container.',
+  },
   {
     Component: BoxNoneExample,
     title: '`box-none`',
     description:
       '`box-none` causes touch events on the container to pass through and will only detect touch events on its child components.',
   },
+  {
+    Component: BoxNoneStyleExample,
+    title: '`box-none` style',
+    description:
+      '`box-none` causes touch events on the container to pass through and will only detect touch events on its child components.',
+  },
   {
     Component: BoxOnlyExample,
     title: '`box-only`',
     description:
       "`box-only` causes touch events on the container's child components to pass through and will only detect touch events on the container itself.",
   },
+  {
+    Component: BoxOnlyStyleExample,
+    title: '`box-only` style',
+    description:
+      "`box-only` causes touch events on the container's child components to pass through and will only detect touch events on the container itself.",
+  },
   {
     Component: OverflowVisibleExample,
     title: '`overflow: visible`',
@@ -326,6 +446,18 @@ const styles = StyleSheet.create({
     borderColor: '#f0f0f0',
     backgroundColor: '#f9f9f9',
   },
+  pointerEventBoxNone: {
+    pointerEvents: 'box-none',
+  },
+  pointerEventBoxOnly: {
+    pointerEvents: 'box-only',
+  },
+  pointerEventNone: {
+    pointerEvents: 'none',
+  },
+  pointerEventAuto: {
+    pointerEvents: 'auto',
+  },
 });
 
 exports.framework = 'React';