105 lines
3.1 KiB
Objective-C
105 lines
3.1 KiB
Objective-C
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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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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@synthesize bridge = _bridge;
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RCT_EXPORT_MODULE()
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- (void)setBridge:(RCTBridge *)bridge
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{
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_bridge = bridge;
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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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}
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- (void)dealloc
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{
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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}
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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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[_bridge.eventDispatcher \
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sendDeviceEventWithName:@#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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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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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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};
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}
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