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/*
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* Copyright 2017 Google
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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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*/
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#import <TargetConditionals.h>
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#if TARGET_OS_IOS || TARGET_OS_TV
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#import "FirebaseCore/Sources/Private/FirebaseCoreInternal.h"
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#import "FirebaseInAppMessaging/Sources/FIRCore+InAppMessaging.h"
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#import "FirebaseInAppMessaging/Sources/Private/Flows/FIRIAMFetchOnAppForegroundFlow.h"
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@implementation FIRIAMFetchOnAppForegroundFlow
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- (void)start {
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FIRLogDebug(kFIRLoggerInAppMessaging, @"I-IAM600002",
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@"Start observing app foreground notifications for message fetching.");
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(appWillEnterForeground:)
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name:UIApplicationWillEnterForegroundNotification
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object:nil];
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#if defined(__IPHONE_13_0) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 130000
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if (@available(iOS 13.0, tvOS 13.0, *)) {
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(appWillEnterForeground:)
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name:UISceneWillEnterForegroundNotification
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object:nil];
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}
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#endif // defined(__IPHONE_13_0) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 130000
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}
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- (void)appWillEnterForeground:(NSNotification *)notification {
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FIRLogDebug(kFIRLoggerInAppMessaging, @"I-IAM600001",
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@"App foregrounded, wake up to see if we can fetch in-app messaging.");
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// for fetch operation, dispatch it to non main UI thread to avoid blocking. It's ok to dispatch
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// to a concurrent global queue instead of serial queue since app open event won't happen at
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// fast speed to cause race conditions
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dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0ul), ^{
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[self checkAndFetchForInitialAppLaunch:NO];
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});
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}
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- (void)stop {
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FIRLogDebug(kFIRLoggerInAppMessaging, @"I-IAM600003",
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@"Stop observing app foreground notifications.");
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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}
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- (void)dealloc {
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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}
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@end
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#endif // TARGET_OS_IOS || TARGET_OS_TV
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