Flatlist keyboard navigation: Mouse can move selection (microsoft#1267)

* add pull yml

* match handleOpenURLNotification event payload with iOS (microsoft#755) (#2)

Co-authored-by: Ryan Linton <ryanlntn@gmail.com>

* [pull] master from microsoft:master (#11)

* Deprecated api (microsoft#853)

* Remove deprecated/unused context param
* Update a few Mac deprecated APIs

* Packing RN dependencies, hermes and ignoring javadoc failure,  (microsoft#852)

* Ignore javadoc failure

* Bringing few more changes from 0.63-stable

* Fixing a patch in engine selection

* Fixing a patch in nuget spec

* Fixing the output directory of nuget pack

* Packaging dependencies in the nuget

* Fix onMouseEnter/onMouseLeave callbacks not firing on Pressable (microsoft#855)

* add pull yml

* match handleOpenURLNotification event payload with iOS (microsoft#755) (#2)

Co-authored-by: Ryan Linton <ryanlntn@gmail.com>

* fix mouse evetns on pressable

* delete extra yml from this branch

* Add macOS tags

* reorder props to have onMouseEnter/onMouseLeave always be before onPress

Co-authored-by: pull[bot] <39814207+pull[bot]@users.noreply.github.com>
Co-authored-by: Ryan Linton <ryanlntn@gmail.com>

* Grammar fixes. (microsoft#856)

Updates simple grammar issues.

Co-authored-by: Nick Trescases <42704557+ntre@users.noreply.github.com>
Co-authored-by: Anandraj <anandrag@microsoft.com>
Co-authored-by: Saad Najmi <saadnajmi2@gmail.com>
Co-authored-by: pull[bot] <39814207+pull[bot]@users.noreply.github.com>
Co-authored-by: Ryan Linton <ryanlntn@gmail.com>
Co-authored-by: Muhammad Hamza Zaman <mh.zaman.4069@gmail.com>

* mouse selection works too

* remove pull.yml

Co-authored-by: pull[bot] <39814207+pull[bot]@users.noreply.github.com>
Co-authored-by: Ryan Linton <ryanlntn@gmail.com>
Co-authored-by: Nick Trescases <42704557+ntre@users.noreply.github.com>
Co-authored-by: Anandraj <anandrag@microsoft.com>
Co-authored-by: Muhammad Hamza Zaman <mh.zaman.4069@gmail.com>

Libraries/Lists/FlatList.js

@@ -369,6 +369,19 @@ class FlatList<ItemT> extends React.PureComponent<Props<ItemT>, void> {
     }
   }
 
+  // [TODO(macOS GH#750)
+  /**
+   * Move selection to the specified index
+   *
+   * @platform ios
+   */
+  selectRowAtIndex(index: number) {
+    if (this._listRef) {
+      this._listRef.selectRowAtIndex(index);
+    }
+  }
+  // ]TODO(macOS GH#750)
+
   /**
    * Provides a handle to the underlying scroll responder.
    */

Libraries/Lists/VirtualizedList.js

@@ -592,6 +592,10 @@ class VirtualizedList extends React.PureComponent<Props, State> {
       this.scrollToOffset({offset: newOffset});
     }
   }
+
+  selectRowAtIndex(rowIndex: number) {
+    this._selectRowAtIndex(rowIndex);
+  }
   // ]TODO(macOS GH#774)
 
   recordInteraction() {

packages/rn-tester/js/examples/FlatList/FlatListExample.js

@@ -61,7 +61,7 @@ type State = {|
   fadingEdgeLength: number,
   onPressDisabled: boolean,
   textSelectable: boolean,
-  enableSelectionOnKeyPress: boolean, // TODO(macOS GH#774)]
+  enableSelectionOnKeyPress: boolean, // TODO(macOS GH#774)
 |};
 
 class FlatListExample extends React.PureComponent<Props, State> {
@@ -303,6 +303,10 @@ class FlatListExample extends React.PureComponent<Props, State> {
   _pressItem = (key: string) => {
     this._listRef && this._listRef.recordInteraction();
     const index = Number(key);
+    // [TODO(macOS GH#774)
+    if (this.state.enableSelectionOnKeyPress) {
+      this._listRef && this._listRef.selectRowAtIndex(index);
+    } // ]TODO(macOS GH#774)
     const itemState = pressItem(this.state.data[index]);
     this.setState(state => ({
       ...state,