130 lines
4.0 KiB
Objective-C
130 lines
4.0 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 "RCTWrapperViewController.h"
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#import <UIKit/UIScrollView.h>
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#import "RCTEventDispatcher.h"
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#import "RCTNavItem.h"
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#import "RCTUtils.h"
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#import "RCTViewControllerProtocol.h"
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#import "UIView+React.h"
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@implementation RCTWrapperViewController
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{
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UIView *_wrapperView;
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UIView *_contentView;
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RCTEventDispatcher *_eventDispatcher;
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CGFloat _previousTopLayout;
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CGFloat _previousBottomLayout;
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}
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@synthesize currentTopLayoutGuide = _currentTopLayoutGuide;
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@synthesize currentBottomLayoutGuide = _currentBottomLayoutGuide;
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- (instancetype)initWithContentView:(UIView *)contentView
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eventDispatcher:(RCTEventDispatcher *)eventDispatcher
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{
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if (self = [super initWithNibName:nil bundle:nil]) {
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_contentView = contentView;
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_eventDispatcher = eventDispatcher;
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self.automaticallyAdjustsScrollViewInsets = NO;
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}
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return self;
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}
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- (instancetype)initWithNavItem:(RCTNavItem *)navItem
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eventDispatcher:(RCTEventDispatcher *)eventDispatcher
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{
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if (self = [self initWithContentView:navItem eventDispatcher:eventDispatcher]) {
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_navItem = navItem;
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}
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return self;
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}
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- (void)viewWillLayoutSubviews
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{
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[super viewWillLayoutSubviews];
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_currentTopLayoutGuide = self.topLayoutGuide;
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_currentBottomLayoutGuide = self.bottomLayoutGuide;
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}
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- (void)viewWillAppear:(BOOL)animated
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{
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[super viewWillAppear:animated];
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// TODO: find a way to make this less-tightly coupled to navigation controller
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if ([self.parentViewController isKindOfClass:[UINavigationController class]])
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{
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[self.navigationController
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setNavigationBarHidden:_navItem.navigationBarHidden
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animated:animated];
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if (!_navItem) {
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return;
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}
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UINavigationBar *bar = self.navigationController.navigationBar;
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bar.barTintColor = _navItem.barTintColor;
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bar.tintColor = _navItem.tintColor;
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if (_navItem.titleTextColor) {
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[bar setTitleTextAttributes:@{NSForegroundColorAttributeName : _navItem.titleTextColor}];
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}
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UINavigationItem *item = self.navigationItem;
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item.title = _navItem.title;
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item.backBarButtonItem = _navItem.backButtonItem;
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if ((item.leftBarButtonItem = _navItem.leftButtonItem)) {
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item.leftBarButtonItem.target = self;
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item.leftBarButtonItem.action = @selector(handleNavLeftButtonTapped);
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}
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if ((item.rightBarButtonItem = _navItem.rightButtonItem)) {
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item.rightBarButtonItem.target = self;
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item.rightBarButtonItem.action = @selector(handleNavRightButtonTapped);
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}
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}
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}
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- (void)loadView
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{
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// Add a wrapper so that the wrapper view managed by the
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// UINavigationController doesn't end up resetting the frames for
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//`contentView` which is a react-managed view.
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_wrapperView = [[UIView alloc] initWithFrame:_contentView.bounds];
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[_wrapperView addSubview:_contentView];
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self.view = _wrapperView;
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}
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- (void)handleNavLeftButtonTapped
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{
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[_eventDispatcher sendInputEventWithName:@"topNavLeftButtonTap"
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body:@{@"target":_navItem.reactTag}];
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}
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- (void)handleNavRightButtonTapped
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{
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[_eventDispatcher sendInputEventWithName:@"topNavRightButtonTap"
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body:@{@"target":_navItem.reactTag}];
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}
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- (void)didMoveToParentViewController:(UIViewController *)parent
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{
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// There's no clear setter for navigation controllers, but did move to parent
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// view controller provides the desired effect. This is called after a pop
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// finishes, be it a swipe to go back or a standard tap on the back button
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[super didMoveToParentViewController:parent];
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if (parent == nil || [parent isKindOfClass:[UINavigationController class]]) {
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[self.navigationListener wrapperViewController:self didMoveToNavigationController:(UINavigationController *)parent];
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}
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}
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@end
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