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           // Copyright 2021 Google LLC
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           //
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           // Licensed under the Apache License, Version 2.0 (the "License");
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           // you may not use this file except in compliance with the License.
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           // You may obtain a copy of the License at
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           //
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           //      http://www.apache.org/licenses/LICENSE-2.0
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           //
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           // Unless required by applicable law or agreed to in writing, software
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           // distributed under the License is distributed on an "AS IS" BASIS,
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           // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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           // See the License for the specific language governing permissions and
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           // limitations under the License.
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           #import "Crashlytics/Crashlytics/Controllers/FIRCLSNotificationManager.h"
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           #import "Crashlytics/Crashlytics/Components/FIRCLSApplication.h"
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           #import "Crashlytics/Crashlytics/Components/FIRCLSGlobals.h"
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           #import "Crashlytics/Crashlytics/Components/FIRCLSUserLogging.h"
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           #if TARGET_OS_IPHONE
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           #import <UIKit/UIKit.h>
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           #else
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           #import <AppKit/AppKit.h>
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           #endif
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           @implementation FIRCLSNotificationManager
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           - (void)registerNotificationListener {
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             [self captureInitialNotificationStates];
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           #if TARGET_OS_IOS
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             [[NSNotificationCenter defaultCenter] addObserver:self
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                                                      selector:@selector(willBecomeActive:)
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                                                          name:UIApplicationWillEnterForegroundNotification
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                                                        object:nil];
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             [[NSNotificationCenter defaultCenter] addObserver:self
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                                                      selector:@selector(didBecomeInactive:)
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                                                          name:UIApplicationDidEnterBackgroundNotification
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                                                        object:nil];
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             [[NSNotificationCenter defaultCenter] addObserver:self
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                                                      selector:@selector(didChangeOrientation:)
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                                                          name:UIDeviceOrientationDidChangeNotification
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                                                        object:nil];
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           #pragma clang diagnostic push
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           #pragma clang diagnostic ignored "-Wdeprecated-declarations"
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             [[NSNotificationCenter defaultCenter]
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                 addObserver:self
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                    selector:@selector(didChangeUIOrientation:)
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                        name:UIApplicationDidChangeStatusBarOrientationNotification
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                      object:nil];
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           #pragma clang diagnostic pop
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           #elif CLS_TARGET_OS_OSX
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             [[NSNotificationCenter defaultCenter] addObserver:self
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                                                      selector:@selector(willBecomeActive:)
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                                                          name:@"NSApplicationWillBecomeActiveNotification"
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                                                        object:nil];
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             [[NSNotificationCenter defaultCenter] addObserver:self
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                                                      selector:@selector(didBecomeInactive:)
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                                                          name:@"NSApplicationDidResignActiveNotification"
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                                                        object:nil];
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           #endif
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           }
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           - (void)captureInitialNotificationStates {
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           #if TARGET_OS_IOS
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             UIDeviceOrientation orientation = [[UIDevice currentDevice] orientation];
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             UIInterfaceOrientation statusBarOrientation =
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                 [FIRCLSApplicationSharedInstance() statusBarOrientation];
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           #endif
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             // It's nice to do this async, so we don't hold up the main thread while doing three
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             // consecutive IOs here.
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             dispatch_async(FIRCLSGetLoggingQueue(), ^{
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               FIRCLSUserLoggingWriteInternalKeyValue(FIRCLSInBackgroundKey, @"0");
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           #if TARGET_OS_IOS
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               FIRCLSUserLoggingWriteInternalKeyValue(FIRCLSDeviceOrientationKey,
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                                                      [@(orientation) description]);
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               FIRCLSUserLoggingWriteInternalKeyValue(FIRCLSUIOrientationKey,
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                                                      [@(statusBarOrientation) description]);
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           #endif
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             });
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           }
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           - (void)willBecomeActive:(NSNotification *)notification {
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             FIRCLSUserLoggingRecordInternalKeyValue(FIRCLSInBackgroundKey, @NO);
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           }
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           - (void)didBecomeInactive:(NSNotification *)notification {
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             FIRCLSUserLoggingRecordInternalKeyValue(FIRCLSInBackgroundKey, @YES);
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           }
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           #if TARGET_OS_IOS
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           - (void)didChangeOrientation:(NSNotification *)notification {
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             UIDeviceOrientation orientation = [[UIDevice currentDevice] orientation];
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             FIRCLSUserLoggingRecordInternalKeyValue(FIRCLSDeviceOrientationKey, @(orientation));
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           }
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           - (void)didChangeUIOrientation:(NSNotification *)notification {
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             UIInterfaceOrientation statusBarOrientation =
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                 [FIRCLSApplicationSharedInstance() statusBarOrientation];
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             FIRCLSUserLoggingRecordInternalKeyValue(FIRCLSUIOrientationKey, @(statusBarOrientation));
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           }
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           #endif
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           @end
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