117 lines
2.9 KiB
Objective-C
117 lines
2.9 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 "RCTModalHostView.h"
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#import "RCTAssert.h"
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#import "RCTBridge.h"
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#import "RCTModalHostViewController.h"
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#import "RCTTouchHandler.h"
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#import "RCTUIManager.h"
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#import "UIView+React.h"
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@implementation RCTModalHostView
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{
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__weak RCTBridge *_bridge;
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BOOL _isPresented;
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RCTModalHostViewController *_modalViewController;
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RCTTouchHandler *_touchHandler;
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}
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RCT_NOT_IMPLEMENTED(- (instancetype)initWithFrame:(CGRect)frame)
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RCT_NOT_IMPLEMENTED(- (instancetype)initWithCoder:coder)
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- (instancetype)initWithBridge:(RCTBridge *)bridge
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{
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if ((self = [super initWithFrame:CGRectZero])) {
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_bridge = bridge;
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_modalViewController = [RCTModalHostViewController new];
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_touchHandler = [[RCTTouchHandler alloc] initWithBridge:bridge];
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_isPresented = NO;
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__weak typeof(self) weakSelf = self;
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_modalViewController.boundsDidChangeBlock = ^(CGRect newBounds) {
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[weakSelf notifyForBoundsChange:newBounds];
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};
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}
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return self;
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}
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- (void)notifyForBoundsChange:(CGRect)newBounds
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{
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if (_modalViewController.view && _isPresented) {
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[_bridge.uiManager setFrame:newBounds forView:_modalViewController.view];
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}
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}
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- (NSArray<UIView *> *)reactSubviews
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{
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return _modalViewController.view ? @[_modalViewController.view] : @[];
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}
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- (void)insertReactSubview:(UIView *)subview atIndex:(__unused NSInteger)atIndex
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{
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[subview addGestureRecognizer:_touchHandler];
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_modalViewController.view = subview;
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}
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- (void)removeReactSubview:(UIView *)subview
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{
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RCTAssert(subview == _modalViewController.view, @"Cannot remove view other than modal view");
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_modalViewController.view = nil;
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}
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- (void)dismissModalViewController
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{
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if (_isPresented) {
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[_modalViewController dismissViewControllerAnimated:self.animated completion:nil];
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_isPresented = NO;
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}
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}
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- (void)didMoveToWindow
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{
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[super didMoveToWindow];
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if (!_isPresented && self.window) {
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RCTAssert(self.reactViewController, @"Can't present modal view controller without a presenting view controller");
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[self.reactViewController presentViewController:_modalViewController animated:self.animated completion:nil];
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_isPresented = YES;
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}
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}
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- (void)didMoveToSuperview
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{
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[super didMoveToSuperview];
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if (_isPresented && !self.superview) {
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[self dismissModalViewController];
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}
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}
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- (void)invalidate
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{
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dispatch_async(dispatch_get_main_queue(), ^{
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[self dismissModalViewController];
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});
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}
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- (BOOL)isTransparent
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{
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return _modalViewController.modalPresentationStyle == UIModalPresentationCustom;
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}
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- (void)setTransparent:(BOOL)transparent
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{
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_modalViewController.modalPresentationStyle = transparent ? UIModalPresentationCustom : UIModalPresentationFullScreen;
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}
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@end
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