| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ios/chrome/browser/crash_loop_detection_util.h" |
| |
| #import <Foundation/Foundation.h> |
| |
| #if !defined(__has_feature) || !__has_feature(objc_arc) |
| #error "This file requires ARC support." |
| #endif |
| |
| namespace { |
| static int startup_attempt_count = -1; |
| NSString* const kAppStartupFailureCountKey = @"AppStartupFailureCount"; |
| } |
| |
| namespace crash_util { |
| |
| int GetFailedStartupAttemptCount() { |
| if (startup_attempt_count == -1) { |
| NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults]; |
| startup_attempt_count = [defaults integerForKey:kAppStartupFailureCountKey]; |
| } |
| return startup_attempt_count; |
| } |
| |
| void IncrementFailedStartupAttemptCount(bool flush_immediately) { |
| int startup_attempt_count = GetFailedStartupAttemptCount(); |
| NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults]; |
| [defaults setInteger:(startup_attempt_count + 1) |
| forKey:kAppStartupFailureCountKey]; |
| if (flush_immediately) |
| [defaults synchronize]; |
| } |
| |
| void ResetFailedStartupAttemptCount() { |
| NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults]; |
| if ([defaults integerForKey:kAppStartupFailureCountKey] != 0) { |
| [defaults setInteger:0 forKey:kAppStartupFailureCountKey]; |
| [defaults synchronize]; |
| } |
| } |
| |
| void ResetFailedStartupAttemptCountForTests() { |
| ResetFailedStartupAttemptCount(); |
| startup_attempt_count = -1; |
| } |
| |
| } // namespace crash_util |