xref: /expo/ios/Client/EXRootViewController.m (revision 18cf86c2) 
1// Copyright 2015-present 650 Industries. All rights reserved.
2
3@import UIKit;
4
5#import "EXAppViewController.h"
6#import "EXHomeAppManager.h"
7#import "EXKernel.h"
8#import "EXAppLoader.h"
9#import "EXKernelAppRecord.h"
10#import "EXKernelAppRegistry.h"
11#import "EXKernelLinkingManager.h"
12#import "EXKernelServiceRegistry.h"
13#import "EXRootViewController.h"
14#import "EXDevMenuManager.h"
15
16NSString * const kEXHomeDisableNuxDefaultsKey = @"EXKernelDisableNuxDefaultsKey";
17NSString * const kEXHomeIsNuxFinishedDefaultsKey = @"EXHomeIsNuxFinishedDefaultsKey";
18
19NS_ASSUME_NONNULL_BEGIN
20
21@interface EXRootViewController () <EXAppBrowserController>
22
23@property (nonatomic, assign) BOOL isAnimatingAppTransition;
24
25@end
26
27@implementation EXRootViewController
28
29- (instancetype)init
30{
31  if (self = [super init]) {
32    [EXKernel sharedInstance].browserController = self;
33    [self _maybeResetNuxState];
34  }
35  return self;
36}
37
38#pragma mark - EXViewController
39
40- (void)createRootAppAndMakeVisible
41{
42  EXHomeAppManager *homeAppManager = [[EXHomeAppManager alloc] init];
43  EXAppLoader *homeAppLoader = [[EXAppLoader alloc] initWithLocalManifest:[EXHomeAppManager bundledHomeManifest]];
44  EXKernelAppRecord *homeAppRecord = [[EXKernelAppRecord alloc] initWithAppLoader:homeAppLoader appManager:homeAppManager];
45  [[EXKernel sharedInstance].appRegistry registerHomeAppRecord:homeAppRecord];
46  [self moveAppToVisible:homeAppRecord];
47}
48
49#pragma mark - EXAppBrowserController
50
51- (void)moveAppToVisible:(EXKernelAppRecord *)appRecord
52{
53  [self _foregroundAppRecord:appRecord];
54
55  // When foregrounding the app record we want to add it to the history to handle the edge case
56  // where a user opened a project, then went to home and cleared history, then went back to a
57  // the already open project.
58  [self addHistoryItemWithUrl:appRecord.appLoader.manifestUrl manifest:appRecord.appLoader.manifest];
59
60}
61
62- (void)showQRReader
63{
64  [self moveHomeToVisible];
65  [[self _getHomeAppManager] showQRReader];
66}
67
68- (void)moveHomeToVisible
69{
70  [[EXDevMenuManager sharedInstance] close];
71  [self moveAppToVisible:[EXKernel sharedInstance].appRegistry.homeAppRecord];
72}
73
74// this is different from Util.reload()
75// because it can work even on an errored app record (e.g. with no manifest, or with no running bridge).
76- (void)reloadVisibleApp
77{
78  [[EXDevMenuManager sharedInstance] close];
79
80  EXKernelAppRecord *visibleApp = [EXKernel sharedInstance].visibleApp;
81  [[EXKernel sharedInstance] logAnalyticsEvent:@"RELOAD_EXPERIENCE" forAppRecord:visibleApp];
82  NSURL *urlToRefresh = visibleApp.appLoader.manifestUrl;
83
84  // Unregister visible app record so all modules get destroyed.
85  [[[EXKernel sharedInstance] appRegistry] unregisterAppWithRecord:visibleApp];
86
87  // Create new app record.
88  [[EXKernel sharedInstance] createNewAppWithUrl:urlToRefresh initialProps:nil];
89}
90
91- (void)addHistoryItemWithUrl:(NSURL *)manifestUrl manifest:(NSDictionary *)manifest
92{
93  [[self _getHomeAppManager] addHistoryItemWithUrl:manifestUrl manifest:manifest];
94}
95
96- (void)getHistoryUrlForExperienceId:(NSString *)experienceId completion:(void (^)(NSString *))completion
97{
98  return [[self _getHomeAppManager] getHistoryUrlForExperienceId:experienceId completion:completion];
99}
100
101- (void)setIsNuxFinished:(BOOL)isFinished
102{
103  [[NSUserDefaults standardUserDefaults] setBool:isFinished forKey:kEXHomeIsNuxFinishedDefaultsKey];
104  [[NSUserDefaults standardUserDefaults] synchronize];
105}
106
107- (BOOL)isNuxFinished
108{
109  return [[NSUserDefaults standardUserDefaults] boolForKey:kEXHomeIsNuxFinishedDefaultsKey];
110}
111
112- (void)appDidFinishLoadingSuccessfully:(EXKernelAppRecord *)appRecord
113{
114  // show nux if needed
115  if (!self.isNuxFinished
116      && appRecord == [EXKernel sharedInstance].visibleApp
117      && appRecord != [EXKernel sharedInstance].appRegistry.homeAppRecord) {
118    [[EXDevMenuManager sharedInstance] open];
119  }
120}
121
122#pragma mark - internal
123
124- (void)_foregroundAppRecord:(EXKernelAppRecord *)appRecord
125{
126  if (_isAnimatingAppTransition) {
127    return;
128  }
129  EXAppViewController *viewControllerToShow = appRecord.viewController;
130  EXAppViewController *viewControllerToHide;
131  if (viewControllerToShow != self.contentViewController) {
132    _isAnimatingAppTransition = YES;
133    if (self.contentViewController) {
134      viewControllerToHide = (EXAppViewController *)self.contentViewController;
135    }
136    if (viewControllerToShow) {
137      [viewControllerToShow willMoveToParentViewController:self];
138      [self.view addSubview:viewControllerToShow.view];
139      [viewControllerToShow foregroundControllers];
140    }
141
142    __weak typeof(self) weakSelf = self;
143    void (^transitionFinished)(void) = ^{
144      __strong typeof(weakSelf) strongSelf = weakSelf;
145      if (strongSelf) {
146        if (viewControllerToHide) {
147          // backgrounds and then dismisses all modals that are presented by the app
148          [viewControllerToHide backgroundControllers];
149          [viewControllerToHide dismissViewControllerAnimated:NO completion:nil];
150          [viewControllerToHide willMoveToParentViewController:nil];
151          [viewControllerToHide.view removeFromSuperview];
152          [viewControllerToHide didMoveToParentViewController:nil];
153        }
154        if (viewControllerToShow) {
155          [viewControllerToShow didMoveToParentViewController:strongSelf];
156          strongSelf.contentViewController = viewControllerToShow;
157        }
158        [strongSelf.view setNeedsLayout];
159        strongSelf.isAnimatingAppTransition = NO;
160        if (strongSelf.delegate) {
161          [strongSelf.delegate viewController:strongSelf didNavigateAppToVisible:appRecord];
162        }
163      }
164    };
165
166    BOOL animated = (viewControllerToHide && viewControllerToShow);
167    if (animated) {
168      if (viewControllerToHide.contentView) {
169        viewControllerToHide.contentView.transform = CGAffineTransformIdentity;
170        viewControllerToHide.contentView.alpha = 1.0f;
171      }
172      if (viewControllerToShow.contentView) {
173        viewControllerToShow.contentView.transform = CGAffineTransformMakeScale(1.1f, 1.1f);
174        viewControllerToShow.contentView.alpha = 0;
175      }
176      [UIView animateWithDuration:0.3f animations:^{
177        if (viewControllerToHide.contentView) {
178          viewControllerToHide.contentView.transform = CGAffineTransformMakeScale(0.95f, 0.95f);
179          viewControllerToHide.contentView.alpha = 0.5f;
180        }
181        if (viewControllerToShow.contentView) {
182          viewControllerToShow.contentView.transform = CGAffineTransformIdentity;
183          viewControllerToShow.contentView.alpha = 1.0f;
184        }
185      } completion:^(BOOL finished) {
186        transitionFinished();
187      }];
188    } else {
189      transitionFinished();
190    }
191  }
192}
193
194- (EXHomeAppManager *)_getHomeAppManager
195{
196  return (EXHomeAppManager *)[EXKernel sharedInstance].appRegistry.homeAppRecord.appManager;
197}
198
199- (void)_maybeResetNuxState
200{
201  // used by appetize: optionally disable nux
202  BOOL disableNuxDefaultsValue = [[NSUserDefaults standardUserDefaults] boolForKey:kEXHomeDisableNuxDefaultsKey];
203  if (disableNuxDefaultsValue) {
204    [self setIsNuxFinished:YES];
205    [[NSUserDefaults standardUserDefaults] removeObjectForKey:kEXHomeDisableNuxDefaultsKey];
206  }
207}
208
209@end
210
211NS_ASSUME_NONNULL_END
212