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/*
* Copyright 2017 Google
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#import "AppManager.h"
#import <FirebaseCore/FIRApp.h>
#import "FIRPhoneAuthProvider.h"
#import "FirebaseAuth.h"
NS_ASSUME_NONNULL_BEGIN
// Declares a private method of FIRInstanceID to work around a bug.
@interface FIRInstanceID : NSObject
+ (void)notifyTokenRefresh;
@end
@implementation AppManager {
/** @var _createdAppNames
@brief The set of names of live (created but not deleted) app, to avoid iCore warnings.
*/
NSMutableSet<NSString *> *_liveAppNames;
}
- (instancetype)init {
self = [super init];
if (self) {
_count = 2;
_liveAppNames = [[NSMutableSet<NSString *> alloc] initWithCapacity:_count - 1];
}
return self;
}
- (nullable FIRApp *)appAtIndex:(int)index {
if (index == 0) {
return [FIRApp defaultApp];
}
NSString *name = [self appNameWithIndex:index];
if ([_liveAppNames containsObject:name]) {
return [FIRApp appNamed:[self appNameWithIndex:index]];
}
return nil;
}
- (void)recreateAppAtIndex:(int)index
withOptions:(nullable FIROptions *)options
completion:(void (^)())completion {
[self deleteAppAtIndex:index completion:^() {
if (index == 0) {
[FIRInstanceID notifyTokenRefresh]; // b/28967043
if (options) {
[FIRApp configureWithOptions:options];
}
} else {
NSString *name = [self appNameWithIndex:index];
if (options) {
[FIRApp configureWithName:name options:options];
[_liveAppNames addObject:name];
} else {
[_liveAppNames removeObject:name];
}
}
completion();
}];
}
+ (instancetype)sharedInstance {
static dispatch_once_t onceToken;
static AppManager *sharedInstance;
dispatch_once(&onceToken, ^{
sharedInstance = [[self alloc] init];
});
return sharedInstance;
}
+ (FIRApp *)app {
AppManager *manager = [self sharedInstance];
return [manager appAtIndex:manager.active];
}
+ (FIRAuth *)auth {
return [FIRAuth authWithApp:[self app]];
}
+ (FIRPhoneAuthProvider *)phoneAuthProvider {
return [FIRPhoneAuthProvider providerWithAuth:[self auth]];
}
#pragma mark - Helpers
/** @fn appNameWithIndex:
@brief Gets the app name for the given index.
@param index The index of the app managed by this instance.
@returns The app name for the FIRApp instance.
*/
- (NSString *)appNameWithIndex:(int)index {
return [NSString stringWithFormat:@"APP_%02d", index];
}
/** @fn deleteAppAtIndex:withOptions:completion:
@brief Deletes the app at the given index.
@param index The index of the app to be deleted, 0 being the default app.
@param completion The block to call when completes.
*/
- (void)deleteAppAtIndex:(int)index
completion:(void (^)())completion {
FIRApp *app = [self appAtIndex:index];
if (app) {
[app deleteApp:^(BOOL success) {
if (success) {
completion();
} else {
NSLog(@"Failed to delete app '%@'.", app.name);
}
}];
} else {
completion();
}
}
@end
NS_ASSUME_NONNULL_END
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