mirror of
https://github.com/firebase/firebase-ios-sdk
synced 2026-11-11 22:55:59 +05:45
56 lines
2.1 KiB
Objective-C
56 lines
2.1 KiB
Objective-C
/*
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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 <FirebaseCore/FIRLogger.h>
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#import "FIRCore+InAppMessaging.h"
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#import "FIRIAMDisplayCheckOnAppForegroundFlow.h"
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#import "FIRIAMDisplayExecutor.h"
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@implementation FIRIAMDisplayCheckOnAppForegroundFlow
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- (void)start {
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FIRLogDebug(kFIRLoggerInAppMessaging, @"I-IAM500002",
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@"Start observing app foreground notifications for rendering messages.");
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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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}
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- (void)appWillEnterForeground:(UIApplication *)application {
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FIRLogDebug(kFIRLoggerInAppMessaging, @"I-IAM500001",
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@"App foregrounded, wake up to check in-app messaging.");
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// Show the message with 0.5 second delay so that the app's UI is more stable.
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// When messages are displayed, the UI operation will be dispatched back to main UI thread.
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dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 500 * (int64_t)NSEC_PER_MSEC),
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dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0ul), ^{
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[self.displayExecutor checkAndDisplayNextAppForegroundMessage];
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});
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}
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- (void)stop {
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FIRLogDebug(kFIRLoggerInAppMessaging, @"I-IAM500004",
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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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