128 lines
4.0 KiB
Objective-C
128 lines
4.0 KiB
Objective-C
// Copyright 2004-present Facebook. All Rights Reserved.
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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+ReactKit.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 setNavigationBarHidden:!_navItem animated:animated];
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if (!_navItem) {
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return;
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}
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self.navigationItem.title = _navItem.title;
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UINavigationBar *bar = self.navigationController.navigationBar;
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if (_navItem.barTintColor) {
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bar.barTintColor = _navItem.barTintColor;
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}
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if (_navItem.tintColor) {
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BOOL canSetTintColor = _navItem.barTintColor == nil;
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if (canSetTintColor) {
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bar.tintColor = _navItem.tintColor;
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}
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}
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if (_navItem.titleTextColor) {
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[bar setTitleTextAttributes:@{NSForegroundColorAttributeName : _navItem.titleTextColor}];
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}
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if (_navItem.rightButtonTitle.length > 0) {
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self.navigationItem.rightBarButtonItem =
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[[UIBarButtonItem alloc] initWithTitle:_navItem.rightButtonTitle
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style:UIBarButtonItemStyleDone
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target:self
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action:@selector(handleNavRightButtonTapped)];
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}
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if (_navItem.backButtonTitle.length > 0) {
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self.navigationItem.backBarButtonItem =
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[[UIBarButtonItem alloc] initWithTitle:_navItem.backButtonTitle
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style:UIBarButtonItemStylePlain
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target:nil
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action:nil];
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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)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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