OLD | NEW |
1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #import "ios/chrome/app/safe_mode/safe_mode_coordinator.h" | 5 #import "ios/chrome/app/safe_mode/safe_mode_coordinator.h" |
6 | 6 |
7 #include "base/mac/scoped_nsobject.h" | 7 #import "base/logging.h" |
8 #import "ios/chrome/app/safe_mode/safe_mode_view_controller.h" | 8 #import "ios/chrome/app/safe_mode/safe_mode_view_controller.h" |
9 #include "ios/chrome/browser/crash_loop_detection_util.h" | 9 #include "ios/chrome/browser/crash_loop_detection_util.h" |
10 | 10 |
| 11 #if !defined(__has_feature) || !__has_feature(objc_arc) |
| 12 #error "This file requires ARC support." |
| 13 #endif |
| 14 |
11 namespace { | 15 namespace { |
12 const int kStartupCrashLoopThreshold = 2; | 16 const int kStartupCrashLoopThreshold = 2; |
13 } | 17 } |
14 | 18 |
15 @interface SafeModeCoordinator ()<SafeModeViewControllerDelegate> { | 19 @interface SafeModeCoordinator ()<SafeModeViewControllerDelegate> |
16 // Weak pointer to window passed on init. | 20 @end |
17 base::WeakNSObject<UIWindow> _window; | 21 |
18 // Weak pointer backing property of the same name. | 22 @implementation SafeModeCoordinator { |
19 base::WeakNSProtocol<id<SafeModeCoordinatorDelegate>> _delegate; | 23 __weak UIWindow* _window; |
20 } | 24 } |
21 | 25 |
22 @end | 26 @synthesize delegate = _delegate; |
23 | |
24 @implementation SafeModeCoordinator | |
25 | |
26 #pragma mark - property implementation. | |
27 | |
28 - (id<SafeModeCoordinatorDelegate>)delegate { | |
29 return _delegate; | |
30 } | |
31 | |
32 - (void)setDelegate:(id<SafeModeCoordinatorDelegate>)delegate { | |
33 _delegate.reset(delegate); | |
34 } | |
35 | 27 |
36 #pragma mark - Public class methods | 28 #pragma mark - Public class methods |
37 | 29 |
38 + (BOOL)shouldStart { | 30 + (BOOL)shouldStart { |
39 // Check whether there appears to be a startup crash loop. If not, don't look | 31 // Check whether there appears to be a startup crash loop. If not, don't look |
40 // at anything else. | 32 // at anything else. |
41 if (crash_util::GetFailedStartupAttemptCount() < kStartupCrashLoopThreshold) | 33 if (crash_util::GetFailedStartupAttemptCount() < kStartupCrashLoopThreshold) |
42 return NO; | 34 return NO; |
43 | 35 |
44 return [SafeModeViewController hasSuggestions]; | 36 return [SafeModeViewController hasSuggestions]; |
45 } | 37 } |
46 | 38 |
47 #pragma mark - ChromeCoordinator implementation | 39 #pragma mark - ChromeCoordinator implementation |
48 | 40 |
49 - (void)start { | 41 - (void)start { |
50 // Create the SafeModeViewController and make it the root view controller for | 42 // Create the SafeModeViewController and make it the root view controller for |
51 // the window. The window has ownership of it and will dispose of it when | 43 // the window. The window has ownership of it and will dispose of it when |
52 // another view controller is made root. | 44 // another view controller is made root. |
53 // | 45 // |
54 // General note: Safe mode should be safe; it should not depend on other | 46 // General note: Safe mode should be safe; it should not depend on other |
55 // objects being created. Be extremely conservative when adding code to this | 47 // objects being created. Be extremely conservative when adding code to this |
56 // method. | 48 // method. |
57 base::scoped_nsobject<SafeModeViewController> viewController( | 49 SafeModeViewController* viewController = |
58 [[SafeModeViewController alloc] initWithDelegate:self]); | 50 [[SafeModeViewController alloc] initWithDelegate:self]; |
59 [self.window setRootViewController:viewController]; | 51 [self.window setRootViewController:viewController]; |
60 | 52 |
61 // Reset the crash count; the user may change something based on the recovery | 53 // Reset the crash count; the user may change something based on the recovery |
62 // UI that will fix the crash, and having the next launch start in recovery | 54 // UI that will fix the crash, and having the next launch start in recovery |
63 // mode would be strange. | 55 // mode would be strange. |
64 crash_util::ResetFailedStartupAttemptCount(); | 56 crash_util::ResetFailedStartupAttemptCount(); |
65 } | 57 } |
66 | 58 |
67 // Override of ChildCoordinators method, which is not supported in this class. | 59 // Override of ChildCoordinators method, which is not supported in this class. |
68 - (MutableCoordinatorArray*)childCoordinators { | 60 - (MutableCoordinatorArray*)childCoordinators { |
69 NOTREACHED() << "Do not add child coordinators to SafeModeCoordinator."; | 61 NOTREACHED() << "Do not add child coordinators to SafeModeCoordinator."; |
70 return nil; | 62 return nil; |
71 } | 63 } |
72 | 64 |
73 #pragma mark - SafeModeViewControllerDelegate implementation | 65 #pragma mark - SafeModeViewControllerDelegate implementation |
74 | 66 |
75 - (void)startBrowserFromSafeMode { | 67 - (void)startBrowserFromSafeMode { |
76 [self.delegate coordinatorDidExitSafeMode:self]; | 68 [self.delegate coordinatorDidExitSafeMode:self]; |
77 } | 69 } |
78 | 70 |
79 @end | 71 @end |
OLD | NEW |