bundesmessenger-ios/Riot/ViewController/CountryPickerViewController.m

/*
 Copyright 2017 Vector Creations Ltd

 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 "CountryPickerViewController.h"

#import "AppDelegate.h"

@interface CountryPickerViewController ()
{
    /**
     Observe kRiotDesignValuesDidChangeThemeNotification to handle user interface theme change.
     */
    id kRiotDesignValuesDidChangeThemeNotificationObserver;
}

@end

@implementation CountryPickerViewController

- (void)finalizeInit
{
    [super finalizeInit];
    
    // Setup `MXKViewControllerHandling` properties
    self.enableBarTintColorStatusChange = NO;
    self.rageShakeManager = [RageShakeManager sharedManager];
}

- (void)viewDidLoad
{
    [super viewDidLoad];

    // Hide line separators of empty cells
    self.tableView.tableFooterView = [[UIView alloc] init];
    // Note: UISearchDisplayController is deprecated in iOS 8.
    // MXKCountryPickerViewController should use UISearchController to manage the presentation of a search bar and display search results.
    self.searchDisplayController.searchResultsTableView.tableFooterView = [[UIView alloc] init];

    // Observe user interface theme change.
    kRiotDesignValuesDidChangeThemeNotificationObserver = [[NSNotificationCenter defaultCenter] addObserverForName:kRiotDesignValuesDidChangeThemeNotification object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *notif) {
        
        [self userInterfaceThemeDidChange];
        
    }];
    [self userInterfaceThemeDidChange];
}

- (void)userInterfaceThemeDidChange
{
    self.defaultBarTintColor = kRiotSecondaryBgColor;
    self.barTitleColor = kRiotPrimaryTextColor;
    
    self.searchBar.barStyle = kRiotDesignSearchBarStyle;
    self.searchBar.tintColor = kRiotDesignSearchBarTintColor;
    
    // Use the primary bg color for the table view in plain style.
    self.tableView.backgroundColor = kRiotPrimaryBgColor;
    self.searchDisplayController.searchResultsTableView.backgroundColor = self.tableView.backgroundColor;
    
    if (self.tableView.dataSource)
    {
        [self.tableView reloadData];
    }  
}

- (UIStatusBarStyle)preferredStatusBarStyle
{
    return kRiotDesignStatusBarStyle;
}

- (void)viewWillAppear:(BOOL)animated
{
    [super viewWillAppear:animated];
    
    // Screen tracking (via Google Analytics)
    id<GAITracker> tracker = [[GAI sharedInstance] defaultTracker];
    if (tracker)
    {
        [tracker set:kGAIScreenName value:@"CountryPicker"];
        [tracker send:[[GAIDictionaryBuilder createScreenView] build]];
    }
}

- (void)destroy
{
    [super destroy];
    
    if (kRiotDesignValuesDidChangeThemeNotificationObserver)
    {
        [[NSNotificationCenter defaultCenter] removeObserver:kRiotDesignValuesDidChangeThemeNotificationObserver];
        kRiotDesignValuesDidChangeThemeNotificationObserver = nil;
    }
}

- (void)tableView:(UITableView *)tableView willDisplayCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath;
{
    cell.textLabel.textColor = kRiotPrimaryTextColor;
    cell.detailTextLabel.textColor = kRiotSecondaryTextColor;
    cell.backgroundColor = kRiotPrimaryBgColor;
    
    // Update the selected background view
    if (kRiotSelectedBgColor)
    {
        cell.selectedBackgroundView = [[UIView alloc] init];
        cell.selectedBackgroundView.backgroundColor = kRiotSelectedBgColor;
    }
    else
    {
        if (tableView.style == UITableViewStylePlain)
        {
            cell.selectedBackgroundView = nil;
        }
        else
        {
            cell.selectedBackgroundView.backgroundColor = nil;
        }
    }
}

@end