nossbigg 05f35c296d Expose isLocalUserInfoKey to keyboard event notifications (#23245)
Summary:
Given two apps loaded side-by-side and when a `Keyboard` event is triggered, there is no way to ascertain which app triggered the keyboard event. This ambiguity can arise in slide over/split view scenarios.

This pull request exposes the `isLocalUserInfoKey` property of the native `UIKeyboard` iOS events to the `Keyboard` event listener; this property will return `true` for the app that triggered the keyboard event.

(Also, I threw in a couple of Keyboard.js tests just for fun 😅)

[iOS][Added] - Expose isLocalUserInfoKey to keyboard event notifications

1. Load two apps side-by-side, with the app on the left side subscribing to the keyboard events (and logging out the events as they happen)
1. Trigger a keyboard to appear with the left app. The logged keyboard event will contain the `isEventFromThisApp` property which will be true.
1. Dismiss the keyboard
1. Trigger a keyboard to appear with the right app. The left app will still log the keyboard event, but the event's `isEventFromThisApp` property will be false (because the left app didn't trigger the keyboard event)
Pull Request resolved: https://github.com/facebook/react-native/pull/23245

Differential Revision: D13928612

Pulled By: hramos

fbshipit-source-id: 6d74d2565e2af62328485fd9da86f15f9e2ccfab
2019-02-01 14:32:19 -08:00
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