129 lines
3.2 KiB
Objective-C
129 lines
3.2 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 "UIView+React.h"
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#import <objc/runtime.h>
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#import "RCTAssert.h"
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#import "RCTLog.h"
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@implementation UIView (React)
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- (NSNumber *)reactTag
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{
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return objc_getAssociatedObject(self, _cmd);
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}
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- (void)setReactTag:(NSNumber *)reactTag
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{
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objc_setAssociatedObject(self, @selector(reactTag), reactTag, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
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}
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- (BOOL)isReactRootView
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{
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return RCTIsReactRootView(self.reactTag);
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}
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- (NSNumber *)reactTagAtPoint:(CGPoint)point
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{
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UIView *view = [self hitTest:point withEvent:nil];
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while (view && !view.reactTag) {
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view = view.superview;
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}
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return view.reactTag;
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}
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- (void)insertReactSubview:(UIView *)subview atIndex:(NSInteger)atIndex
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{
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[self insertSubview:subview atIndex:atIndex];
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}
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- (void)removeReactSubview:(UIView *)subview
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{
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RCTAssert(subview.superview == self, @"%@ is a not a subview of %@", subview, self);
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[subview removeFromSuperview];
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}
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- (NSArray<UIView<RCTComponent> *> *)reactSubviews
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{
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return self.subviews;
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}
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- (UIView<RCTComponent> *)reactSuperview
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{
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return self.superview;
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}
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- (void)reactSetFrame:(CGRect)frame
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{
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// These frames are in terms of anchorPoint = topLeft, but internally the
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// views are anchorPoint = center for easier scale and rotation animations.
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// Convert the frame so it works with anchorPoint = center.
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CGPoint position = {CGRectGetMidX(frame), CGRectGetMidY(frame)};
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CGRect bounds = {CGPointZero, frame.size};
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// Avoid crashes due to nan coords
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if (isnan(position.x) || isnan(position.y) ||
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isnan(bounds.origin.x) || isnan(bounds.origin.y) ||
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isnan(bounds.size.width) || isnan(bounds.size.height)) {
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RCTLogError(@"Invalid layout for (%@)%@. position: %@. bounds: %@",
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self.reactTag, self, NSStringFromCGPoint(position), NSStringFromCGRect(bounds));
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return;
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}
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self.center = position;
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self.bounds = bounds;
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}
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- (void)reactSetInheritedBackgroundColor:(UIColor *)inheritedBackgroundColor
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{
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self.backgroundColor = inheritedBackgroundColor;
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}
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- (UIViewController *)reactViewController
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{
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id responder = [self nextResponder];
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while (responder) {
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if ([responder isKindOfClass:[UIViewController class]]) {
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return responder;
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}
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responder = [responder nextResponder];
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}
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return nil;
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}
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- (void)reactAddControllerToClosestParent:(UIViewController *)controller
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{
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if (!controller.parentViewController) {
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UIView *parentView = (UIView *)self.reactSuperview;
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while (parentView) {
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if (parentView.reactViewController) {
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[parentView.reactViewController addChildViewController:controller];
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[controller didMoveToParentViewController:parentView.reactViewController];
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break;
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}
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parentView = (UIView *)parentView.reactSuperview;
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}
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return;
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}
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}
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/**
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* Responder overrides - to be deprecated.
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*/
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- (void)reactWillMakeFirstResponder {};
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- (void)reactDidMakeFirstResponder {};
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- (BOOL)reactRespondsToTouch:(__unused UITouch *)touch
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{
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return YES;
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}
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@end
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