Merge pull request #1666 from firebase/bs-messaging-category

Remove Messaging FIRApp Class Category

Author: bstpierr

Example/Firebase.xcodeproj/project.pbxproj

@@ -6631,12 +6631,12 @@
 				BUNDLE_LOADER = "$(TEST_HOST)";
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+				DEBUG_INFORMATION_FORMAT = dwarf;
+				DEVELOPMENT_TEAM = "";
 				HEADER_SEARCH_PATHS = (
 					"$(inherited)",
 					"${PODS_ROOT}/Headers/Private",
 				);
-				DEBUG_INFORMATION_FORMAT = dwarf;
-				DEVELOPMENT_TEAM = "";
 				INFOPLIST_FILE = "Core/Tests/Tests-Info.plist";
 				IPHONEOS_DEPLOYMENT_TARGET = 10.2;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
@@ -6653,13 +6653,13 @@
 				BUNDLE_LOADER = "$(TEST_HOST)";
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+				COPY_PHASE_STRIP = NO;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				DEVELOPMENT_TEAM = "";
 				HEADER_SEARCH_PATHS = (
 					"$(inherited)",
 					"${PODS_ROOT}/Headers/Private",
 				);
-				COPY_PHASE_STRIP = NO;
-				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
-				DEVELOPMENT_TEAM = "";
 				INFOPLIST_FILE = "Core/Tests/Tests-Info.plist";
 				IPHONEOS_DEPLOYMENT_TARGET = 10.2;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";

Firebase/Messaging/FIRMessaging+FIRApp.h

@@ -31,10 +31,12 @@
 #import "FIRMessagingLogger.h"
 #import "FIRMessagingPubSub.h"
 #import "FIRMessagingReceiver.h"
+#import "FIRMessagingRemoteNotificationsProxy.h"
 #import "FIRMessagingRmqManager.h"
 #import "FIRMessagingSyncMessageManager.h"
 #import "FIRMessagingUtilities.h"
 #import "FIRMessagingVersionUtilities.h"
+#import "FIRMessaging_Private.h"
 
 #import <FirebaseCore/FIRAppInternal.h>
 #import <FirebaseInstanceID/FirebaseInstanceID.h>
@@ -190,6 +192,45 @@ - (void)dealloc {
 
 #pragma mark - Config
 
++ (void)load {
+  [[NSNotificationCenter defaultCenter] addObserver:self
+                                           selector:@selector(didReceiveConfigureSDKNotification:)
+                                               name:kFIRAppReadyToConfigureSDKNotification
+                                             object:nil];
+}
+
++ (void)didReceiveConfigureSDKNotification:(NSNotification *)notification {
+  NSDictionary *appInfoDict = notification.userInfo;
+  NSNumber *isDefaultApp = appInfoDict[kFIRAppIsDefaultAppKey];
+  if (![isDefaultApp boolValue]) {
+    // Only configure for the default FIRApp.
+    FIRMessagingLoggerDebug(kFIRMessagingMessageCodeFIRApp001,
+                            @"Firebase Messaging only works with the default app.");
+    return;
+  }
+
+  NSString *appName = appInfoDict[kFIRAppNameKey];
+  FIRApp *app = [FIRApp appNamed:appName];
+  [[FIRMessaging messaging] configureMessaging:app];
+}
+
+- (void)configureMessaging:(FIRApp *)app {
+  // Swizzle remote-notification-related methods (app delegate and UNUserNotificationCenter)
+  if ([FIRMessagingRemoteNotificationsProxy canSwizzleMethods]) {
+    NSString *docsURLString = @"https://firebase.google.com/docs/cloud-messaging/ios/client"
+                              @"#method_swizzling_in_firebase_messaging";
+    FIRMessagingLoggerNotice(kFIRMessagingMessageCodeFIRApp000,
+                             @"FIRMessaging Remote Notifications proxy enabled, will swizzle "
+                             @"remote notification receiver handlers. If you'd prefer to manually "
+                             @"integrate Firebase Messaging, add \"%@\" to your Info.plist, "
+                             @"and set it to NO. Follow the instructions at:\n%@\nto ensure "
+                             @"proper integration.",
+                             kFIRMessagingRemoteNotificationsProxyEnabledInfoPlistKey,
+                             docsURLString);
+    [FIRMessagingRemoteNotificationsProxy swizzleMethods];
+  }
+}
+
 - (void)start {
   // Print the library version for logging.
   NSString *currentLibraryVersion = FIRMessagingCurrentLibraryVersion();