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05f35c296d
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
124 lines
3.6 KiB
Objective-C
124 lines
3.6 KiB
Objective-C
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import "RCTKeyboardObserver.h"
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#import "RCTEventDispatcher.h"
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static NSDictionary *RCTParseKeyboardNotification(NSNotification *notification);
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@implementation RCTKeyboardObserver
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RCT_EXPORT_MODULE()
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- (void)startObserving
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{
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#if !TARGET_OS_TV
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NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
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#define ADD_KEYBOARD_HANDLER(NAME, SELECTOR) \
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[nc addObserver:self selector:@selector(SELECTOR:) name:NAME object:nil]
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ADD_KEYBOARD_HANDLER(UIKeyboardWillShowNotification, keyboardWillShow);
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ADD_KEYBOARD_HANDLER(UIKeyboardDidShowNotification, keyboardDidShow);
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ADD_KEYBOARD_HANDLER(UIKeyboardWillHideNotification, keyboardWillHide);
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ADD_KEYBOARD_HANDLER(UIKeyboardDidHideNotification, keyboardDidHide);
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ADD_KEYBOARD_HANDLER(UIKeyboardWillChangeFrameNotification, keyboardWillChangeFrame);
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ADD_KEYBOARD_HANDLER(UIKeyboardDidChangeFrameNotification, keyboardDidChangeFrame);
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#undef ADD_KEYBOARD_HANDLER
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#endif
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}
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- (NSArray<NSString *> *)supportedEvents
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{
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return @[@"keyboardWillShow",
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@"keyboardDidShow",
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@"keyboardWillHide",
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@"keyboardDidHide",
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@"keyboardWillChangeFrame",
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@"keyboardDidChangeFrame"];
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}
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- (void)stopObserving
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{
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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}
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// Bridge might be already invalidated by the time the keyboard is about to be dismissed.
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// This might happen, for example, when reload from the packager is performed.
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// Thus we need to check against nil here.
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#define IMPLEMENT_KEYBOARD_HANDLER(EVENT) \
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- (void)EVENT:(NSNotification *)notification \
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{ \
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if (!self.bridge) { \
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return; \
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} \
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[self sendEventWithName:@#EVENT \
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body:RCTParseKeyboardNotification(notification)]; \
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}
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IMPLEMENT_KEYBOARD_HANDLER(keyboardWillShow)
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IMPLEMENT_KEYBOARD_HANDLER(keyboardDidShow)
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IMPLEMENT_KEYBOARD_HANDLER(keyboardWillHide)
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IMPLEMENT_KEYBOARD_HANDLER(keyboardDidHide)
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IMPLEMENT_KEYBOARD_HANDLER(keyboardWillChangeFrame)
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IMPLEMENT_KEYBOARD_HANDLER(keyboardDidChangeFrame)
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@end
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NS_INLINE NSDictionary *RCTRectDictionaryValue(CGRect rect)
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{
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return @{
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@"screenX": @(rect.origin.x),
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@"screenY": @(rect.origin.y),
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@"width": @(rect.size.width),
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@"height": @(rect.size.height),
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};
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}
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static NSString *RCTAnimationNameForCurve(UIViewAnimationCurve curve)
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{
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switch (curve) {
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case UIViewAnimationCurveEaseIn:
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return @"easeIn";
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case UIViewAnimationCurveEaseInOut:
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return @"easeInEaseOut";
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case UIViewAnimationCurveEaseOut:
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return @"easeOut";
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case UIViewAnimationCurveLinear:
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return @"linear";
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default:
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return @"keyboard";
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}
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}
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static NSDictionary *RCTParseKeyboardNotification(NSNotification *notification)
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{
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#if TARGET_OS_TV
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return @{};
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#else
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NSDictionary *userInfo = notification.userInfo;
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CGRect beginFrame = [userInfo[UIKeyboardFrameBeginUserInfoKey] CGRectValue];
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CGRect endFrame = [userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue];
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NSTimeInterval duration = [userInfo[UIKeyboardAnimationDurationUserInfoKey] doubleValue];
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UIViewAnimationCurve curve = [userInfo[UIKeyboardAnimationCurveUserInfoKey] integerValue];
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NSInteger isLocalUserInfoKey = [userInfo[UIKeyboardIsLocalUserInfoKey] integerValue];
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return @{
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@"startCoordinates": RCTRectDictionaryValue(beginFrame),
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@"endCoordinates": RCTRectDictionaryValue(endFrame),
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@"duration": @(duration * 1000.0), // ms
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@"easing": RCTAnimationNameForCurve(curve),
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@"isEventFromThisApp": isLocalUserInfoKey == 1 ? @YES : @NO,
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};
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#endif
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}
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