session-ios/Signal/src/view controllers/PrivacySettingsTableViewController.m

//
//  PrivacySettingsTableViewController.m
//  Signal
//
//  Created by Dylan Bourgeois on 05/01/15.
//  Copyright (c) 2015 Open Whisper Systems. All rights reserved.
//

#import "PrivacySettingsTableViewController.h"

#import "DJWActionSheet+OWS.h"
#import "Environment.h"
#import "PropertyListPreferences.h"
#import "UIUtil.h"
#import <25519/Curve25519.h>

@interface PrivacySettingsTableViewController ()

@property (nonatomic, strong) UITableViewCell *enableScreenSecurityCell;
@property (nonatomic, strong) UISwitch *enableScreenSecuritySwitch;
@property (nonatomic, strong) UITableViewCell *clearHistoryLogCell;

@end

@implementation PrivacySettingsTableViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    [self.navigationController.navigationBar setTranslucent:NO];

    self.tableView.tableFooterView = [[UIView alloc] initWithFrame:CGRectZero];
}

- (instancetype)init {
    return [super initWithStyle:UITableViewStyleGrouped];
}

- (void)loadView {
    [super loadView];

    self.title = NSLocalizedString(@"SETTINGS_PRIVACY_TITLE", @"");

    // Enable Screen Security Cell
    self.enableScreenSecurityCell                = [[UITableViewCell alloc] init];
    self.enableScreenSecurityCell.textLabel.text = NSLocalizedString(@"SETTINGS_SCREEN_SECURITY", @"");
    self.enableScreenSecuritySwitch = [[UISwitch alloc] initWithFrame:CGRectZero];
    self.enableScreenSecurityCell.accessoryView          = self.enableScreenSecuritySwitch;
    self.enableScreenSecurityCell.userInteractionEnabled = YES;
    [self.enableScreenSecuritySwitch setOn:[Environment.preferences screenSecurityIsEnabled]];
    [self.enableScreenSecuritySwitch addTarget:self
                                        action:@selector(didToggleScreenSecuritySwitch:)
                              forControlEvents:UIControlEventTouchUpInside];


    // Clear History Log Cell
    self.clearHistoryLogCell                = [[UITableViewCell alloc] init];
    self.clearHistoryLogCell.textLabel.text = NSLocalizedString(@"SETTINGS_CLEAR_HISTORY", @"");
    self.clearHistoryLogCell.accessoryType  = UITableViewCellAccessoryDisclosureIndicator;
}

#pragma mark - Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
    return 2;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    switch (section) {
        case 0:
            return 1;
        case 1:
            return 1;
        // TODO: optionally non-blocking
        //        case 2:
        //            return 1;
        default:
            return 0;
    }
}

- (NSString *)tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
    switch (section) {
        case 0:
            return NSLocalizedString(@"SETTINGS_SCREEN_SECURITY_DETAIL", nil);
        default:
            return nil;
    }
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    switch (indexPath.section) {
        case 0:
            return self.enableScreenSecurityCell;
        case 1:
            return self.clearHistoryLogCell;
            //      TODO - safetynumber settings
            //        case 2:
            //            return [UITableViewCell new];
    }

    return nil;
}

- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
    switch (section) {
        case 0:
            return NSLocalizedString(@"SETTINGS_SECURITY_TITLE", @"Section header");
        case 1:
            return NSLocalizedString(@"SETTINGS_HISTORYLOG_TITLE", @"Section header");
        case 2:
            return NSLocalizedString(@"SETTINGS_PRIVACY_VERIFICATION_TITLE", @"Section header");
        default:
            return nil;
    }
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    [tableView deselectRowAtIndexPath:indexPath animated:YES];

    switch (indexPath.section) {
        case 1: {
            [DJWActionSheet showInView:self.parentViewController.view
                             withTitle:NSLocalizedString(@"SETTINGS_DELETE_HISTORYLOG_CONFIRMATION", @"")
                     cancelButtonTitle:NSLocalizedString(@"TXT_CANCEL_TITLE", @"")
                destructiveButtonTitle:NSLocalizedString(@"SETTINGS_DELETE_HISTORYLOG_CONFIRMATION_BUTTON", @"")
                     otherButtonTitles:@[]
                              tapBlock:^(DJWActionSheet *actionSheet, NSInteger tappedButtonIndex) {
                                [self.tableView deselectRowAtIndexPath:indexPath animated:YES];
                                if (tappedButtonIndex == actionSheet.cancelButtonIndex) {
                                    DDLogDebug(@"User Cancelled");
                                } else if (tappedButtonIndex == actionSheet.destructiveButtonIndex) {
                                    [[TSStorageManager sharedManager] deleteThreadsAndMessages];
                                } else {
                                    DDLogDebug(@"The user tapped button at index: %li", (long)tappedButtonIndex);
                                }
                              }];

            break;
        }
        default:
            break;
    }
}

#pragma mark - Toggle

- (void)didToggleScreenSecuritySwitch:(UISwitch *)sender
{
    BOOL enabled = self.enableScreenSecuritySwitch.isOn;
    DDLogInfo(@"%@ toggled screen security: %@", self.tag, enabled ? @"ON" : @"OFF");
    [Environment.preferences setScreenSecurity:enabled];
}

#pragma mark - Log util

+ (NSString *)tag
{
    return [NSString stringWithFormat:@"[%@]", self.class];
}

- (NSString *)tag
{
    return self.class.tag;
}

@end