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143 lines
5.8 KiB
143 lines
5.8 KiB
/*
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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 "FIRMessagingReceiver.h"
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#import <UIKit/UIKit.h>
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#import "FIRMessaging.h"
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#import "FIRMessaging_Private.h"
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#import "FIRMessagingLogger.h"
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static NSString *const kUpstreamMessageIDUserInfoKey = @"messageID";
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static NSString *const kUpstreamErrorUserInfoKey = @"error";
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// Copied from Apple's header in case it is missing in some cases.
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#ifndef NSFoundationVersionNumber_iOS_9_x_Max
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#define NSFoundationVersionNumber_iOS_9_x_Max 1299
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#endif
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static int downstreamMessageID = 0;
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@implementation FIRMessagingReceiver
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#pragma mark - FIRMessagingDataMessageManager protocol
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- (void)didReceiveMessage:(NSDictionary *)message withIdentifier:(nullable NSString *)messageID {
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if (![messageID length]) {
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messageID = [[self class] nextMessageID];
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}
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if (floor(NSFoundationVersionNumber) > NSFoundationVersionNumber_iOS_9_x_Max) {
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// Use delegate method for iOS 10
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[self scheduleIos10NotificationForMessage:message withIdentifier:messageID];
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} else {
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// Post notification directly to AppDelegate handlers. This is valid pre-iOS 10.
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[self scheduleNotificationForMessage:message];
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}
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}
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- (void)willSendDataMessageWithID:(NSString *)messageID error:(NSError *)error {
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NSNotification *notification;
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if (error) {
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NSDictionary *userInfo = @{
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kUpstreamMessageIDUserInfoKey : [messageID copy],
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kUpstreamErrorUserInfoKey : error
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};
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notification = [NSNotification notificationWithName:FIRMessagingSendErrorNotification
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object:nil
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userInfo:userInfo];
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[[NSNotificationQueue defaultQueue] enqueueNotification:notification postingStyle:NSPostASAP];
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FIRMessagingLoggerDebug(kFIRMessagingMessageCodeReceiver000,
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@"Fail to send upstream message: %@ error: %@", messageID, error);
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} else {
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FIRMessagingLoggerDebug(kFIRMessagingMessageCodeReceiver001, @"Will send upstream message: %@",
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messageID);
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}
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}
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- (void)didSendDataMessageWithID:(NSString *)messageID {
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// invoke the callbacks asynchronously
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FIRMessagingLoggerDebug(kFIRMessagingMessageCodeReceiver002, @"Did send upstream message: %@",
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messageID);
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NSNotification * notification =
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[NSNotification notificationWithName:FIRMessagingSendSuccessNotification
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object:nil
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userInfo:@{ kUpstreamMessageIDUserInfoKey : [messageID copy] }];
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[[NSNotificationQueue defaultQueue] enqueueNotification:notification postingStyle:NSPostASAP];
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}
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- (void)didDeleteMessagesOnServer {
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FIRMessagingLoggerDebug(kFIRMessagingMessageCodeReceiver003,
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@"Will send deleted messages notification");
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NSNotification * notification =
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[NSNotification notificationWithName:FIRMessagingMessagesDeletedNotification
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object:nil];
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[[NSNotificationQueue defaultQueue] enqueueNotification:notification postingStyle:NSPostASAP];
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}
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#pragma mark - Private Helpers
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// As the new UserNotifications framework in iOS 10 doesn't support constructor/mutation for
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// UNNotification object, FCM can't inject the message to the app with UserNotifications framework.
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// Define our own protocol, which means app developers need to implement two interfaces to receive
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// display notifications and data messages respectively for devices running iOS 10 or above. Devices
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// running iOS 9 or below are not affected.
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- (void)scheduleIos10NotificationForMessage:(NSDictionary *)message
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withIdentifier:(NSString *)messageID {
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FIRMessagingRemoteMessage *wrappedMessage = [[FIRMessagingRemoteMessage alloc] init];
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// TODO: wrap title, body, badge and other fields
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wrappedMessage.appData = [message copy];
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[self.delegate receiver:self receivedRemoteMessage:wrappedMessage];
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}
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- (void)scheduleNotificationForMessage:(NSDictionary *)message {
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SEL newNotificationSelector =
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@selector(application:didReceiveRemoteNotification:fetchCompletionHandler:);
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SEL oldNotificationSelector = @selector(application:didReceiveRemoteNotification:);
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dispatch_async(dispatch_get_main_queue(), ^{
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id<UIApplicationDelegate> appDelegate = [[UIApplication sharedApplication] delegate];
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if ([appDelegate respondsToSelector:newNotificationSelector]) {
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// Try the new remote notification callback
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[appDelegate application:[UIApplication sharedApplication]
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didReceiveRemoteNotification:message
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fetchCompletionHandler:^(UIBackgroundFetchResult result) {}];
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} else if ([appDelegate respondsToSelector:oldNotificationSelector]) {
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// Try the old remote notification callback
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wdeprecated-declarations"
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[appDelegate application:
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[UIApplication sharedApplication] didReceiveRemoteNotification:message];
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#pragma clang diagnostic pop
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} else {
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FIRMessagingLoggerError(kFIRMessagingMessageCodeReceiver005,
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@"None of the remote notification callbacks implemented by "
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@"UIApplicationDelegate");
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}
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});
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}
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+ (NSString *)nextMessageID {
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@synchronized (self) {
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++downstreamMessageID;
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return [NSString stringWithFormat:@"gcm-%d", downstreamMessageID];
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}
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}
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@end
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