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/*
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* Copyright 2018 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/Runtime/FIRIAMSDKModeManager.h"
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NSString *FIRIAMDescriptonStringForSDKMode(FIRIAMSDKMode mode) {
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switch (mode) {
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case FIRIAMSDKModeTesting:
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return @"Testing Instance";
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case FIRIAMSDKModeRegular:
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return @"Regular";
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case FIRIAMSDKModeNewlyInstalled:
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return @"Newly Installed";
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default:
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FIRLogWarning(kFIRLoggerInAppMessaging, @"I-IAM290003", @"Unknown sdk mode value %d",
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(int)mode);
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return @"Unknown";
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}
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}
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@interface FIRIAMSDKModeManager ()
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@property(nonatomic, nonnull, readonly) NSUserDefaults *userDefaults;
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// Make it weak so that we don't depend on its existence to avoid circular reference.
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@property(nonatomic, readonly, weak) id<FIRIAMTestingModeListener> testingModeListener;
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@end
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NSString *const kFIRIAMUserDefaultKeyForSDKMode = @"firebase-iam-sdk-mode";
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NSString *const kFIRIAMUserDefaultKeyForServerFetchCount = @"firebase-iam-server-fetch-count";
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NSInteger const kFIRIAMMaxFetchInNewlyInstalledMode = 5;
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@implementation FIRIAMSDKModeManager {
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FIRIAMSDKMode _sdkMode;
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NSInteger _fetchCount;
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}
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- (instancetype)initWithUserDefaults:(NSUserDefaults *)userDefaults
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testingModeListener:(id<FIRIAMTestingModeListener>)testingModeListener {
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if (self = [super init]) {
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_userDefaults = userDefaults;
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_testingModeListener = testingModeListener;
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id modeEntry = [_userDefaults objectForKey:kFIRIAMUserDefaultKeyForSDKMode];
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if (modeEntry == nil) {
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// no entry yet, it's a newly installed sdk instance
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_sdkMode = FIRIAMSDKModeNewlyInstalled;
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// initialize the mode and fetch count in the persistent storage
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[_userDefaults setObject:[NSNumber numberWithInteger:_sdkMode]
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forKey:kFIRIAMUserDefaultKeyForSDKMode];
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[_userDefaults setInteger:0 forKey:kFIRIAMUserDefaultKeyForServerFetchCount];
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} else {
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_sdkMode = [(NSNumber *)modeEntry integerValue];
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_fetchCount = [_userDefaults integerForKey:kFIRIAMUserDefaultKeyForServerFetchCount];
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}
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FIRLogDebug(kFIRLoggerInAppMessaging, @"I-IAM290001",
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@"SDK is in mode of %@ and has seen %d fetches.",
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FIRIAMDescriptonStringForSDKMode(_sdkMode), (int)_fetchCount);
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}
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return self;
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}
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// inform the manager that one more fetch is done. This is to allow
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// the manager to potentially graduate from the newly installed mode.
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- (void)registerOneMoreFetch {
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// we only care about the fetch count when sdk is in newly installed mode (so that it may
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// graduate from that after certain number of fetches).
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if (_sdkMode == FIRIAMSDKModeNewlyInstalled) {
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if (++_fetchCount >= kFIRIAMMaxFetchInNewlyInstalledMode) {
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FIRLogDebug(kFIRLoggerInAppMessaging, @"I-IAM290002",
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@"Coming out of newly installed mode since there have been %d fetches",
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(int)_fetchCount);
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_sdkMode = FIRIAMSDKModeRegular;
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[_userDefaults setObject:[NSNumber numberWithInteger:_sdkMode]
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forKey:kFIRIAMUserDefaultKeyForSDKMode];
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} else {
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[_userDefaults setInteger:_fetchCount forKey:kFIRIAMUserDefaultKeyForServerFetchCount];
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}
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}
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}
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- (void)becomeTestingInstance {
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_sdkMode = FIRIAMSDKModeTesting;
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[_userDefaults setObject:[NSNumber numberWithInteger:_sdkMode]
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forKey:kFIRIAMUserDefaultKeyForSDKMode];
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FIRLogDebug(kFIRLoggerInAppMessaging, @"I-IAM290004",
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@"Test mode enabled, notifying test mode listener.");
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[self.testingModeListener testingModeSwitchedOn];
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}
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// returns the current SDK mode
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- (FIRIAMSDKMode)currentMode {
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return _sdkMode;
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}
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@end
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#endif // TARGET_OS_IOS || TARGET_OS_TV
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