99 lines
4.0 KiB
Objective-C
99 lines
4.0 KiB
Objective-C
//
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// LockInteractionController.m
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// Signal
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//
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// Created by Frederic Jacobs on 22/08/15.
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// Copyright (c) 2015 Open Whisper Systems. All rights reserved.
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//
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#import "LockInteractionController.h"
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@interface LockInteractionController ()
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@property UIAlertController *alertController;
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@end
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@implementation LockInteractionController
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+ (instancetype)sharedController {
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static LockInteractionController *sharedController = nil;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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sharedController = [self new];
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});
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return sharedController;
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}
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+ (void)performBlock:(LIControllerBlockingOperation)blockingOperation
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completionBlock:(LIControllerCompletionBlock)completionBlock
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retryBlock:(LIControllerRetryBlock)retryBlock
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usesNetwork:(BOOL)networkFlag
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{
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if (networkFlag) {
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[[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:networkFlag];
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}
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LockInteractionController *sharedController = [LockInteractionController sharedController];
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sharedController.alertController =
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[UIAlertController alertControllerWithTitle:NSLocalizedString(@"Upgrading Signal ...", nil)
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message:nil
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preferredStyle:UIAlertControllerStyleAlert];
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[[UIApplication sharedApplication]
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.keyWindow.rootViewController presentViewController:sharedController.alertController
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animated:YES
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completion:nil];
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dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
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BOOL success = blockingOperation();
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dispatch_async(dispatch_get_main_queue(), ^{
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[sharedController.alertController
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dismissViewControllerAnimated:YES
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completion:^{
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if (networkFlag) {
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[[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:NO];
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}
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if (!success) {
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retryBlock(blockingOperation, completionBlock);
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} else {
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completionBlock();
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}
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}];
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});
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});
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}
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+ (LIControllerRetryBlock)defaultNetworkRetry {
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LIControllerRetryBlock retryBlock =
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^void(LIControllerBlockingOperation blockingOperation, LIControllerCompletionBlock completionBlock) {
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UIAlertController *retryController =
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[UIAlertController alertControllerWithTitle:@"Upgrading Signal failed"
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message:@"An network error occured while upgrading, please check "
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@"your connectivity and try again."
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preferredStyle:UIAlertControllerStyleAlert];
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[retryController
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addAction:[UIAlertAction actionWithTitle:NSLocalizedString(@"REGISTER_FAILED_TRY_AGAIN", nil)
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style:UIAlertActionStyleDefault
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handler:^(UIAlertAction *action) {
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[self performBlock:blockingOperation
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completionBlock:completionBlock
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retryBlock:[LockInteractionController defaultNetworkRetry]
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usesNetwork:YES];
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}]];
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[[UIApplication sharedApplication]
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.keyWindow.rootViewController presentViewController:retryController
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animated:YES
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completion:nil];
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};
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return retryBlock;
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}
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@end
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