317 lines
10 KiB
Objective-C
317 lines
10 KiB
Objective-C
//
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// ContactsTableViewController.m
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// Signal
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//
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// Created by Dylan Bourgeois on 29/10/14.
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// Copyright (c) 2014 Open Whisper Systems. All rights reserved.
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//
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#import "ContactsTableViewController.h"
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#import "ContactDetailTableViewController.h"
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#import "ContactTableViewCell.h"
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#import "Environment.h"
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#import "Contact.h"
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#import "ContactsManager.h"
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#import "LocalizableText.h"
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#import "PhoneNumberDirectoryFilterManager.h"
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#import "NotificationManifest.h"
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#import <AddressBook/AddressBook.h>
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#define REFRESH_TIMEOUT 20
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static NSString *const CONTACT_BROWSE_TABLE_CELL_IDENTIFIER = @"ContactTableViewCell";
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@interface ContactsTableViewController () <UISearchBarDelegate, UISearchResultsUpdating>
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{
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NSDictionary *latestAlphabeticalContacts;
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NSArray *searchResults;
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}
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@property (nonatomic, strong) UILabel *emptyViewLabel;
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@property NSArray *latestSortedAlphabeticalContactKeys;
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@property NSArray *latestContacts;
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@property (nonatomic, strong) UISearchController *searchController;
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@end
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@implementation ContactsTableViewController
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- (void)viewDidLoad {
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[super viewDidLoad];
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[self.navigationController.navigationBar setTranslucent:NO];
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[self initializeObservers];
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[self initializeRefreshControl];
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[self initializeTableView];
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[self initializeSearch];
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[self setupContacts];
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[self.tableView reloadData];
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}
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- (void)didReceiveMemoryWarning {
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[super didReceiveMemoryWarning];
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}
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#pragma mark - Initializers
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-(void)initializeSearch
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{
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self.searchController = [[UISearchController alloc] initWithSearchResultsController:nil];
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self.searchController.searchResultsUpdater = self;
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self.searchController.searchBar.frame = CGRectMake(self.searchController.searchBar.frame.origin.x, self.searchController.searchBar.frame.origin.y, self.searchController.searchBar.frame.size.width, 44.0);
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self.tableView.tableHeaderView = self.searchController.searchBar;
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self.searchController.dimsBackgroundDuringPresentation = NO;
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self.searchController.hidesNavigationBarDuringPresentation = NO;
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self.definesPresentationContext = YES;
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self.searchController.searchBar.searchBarStyle = UISearchBarStyleMinimal;
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}
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-(void)initializeRefreshControl
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{
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UIRefreshControl *refreshControl = [[UIRefreshControl alloc]init];
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[refreshControl addTarget:self action:@selector(refreshContacts) forControlEvents:UIControlEventValueChanged];
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self.refreshControl = refreshControl;
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[self.contactTableView addSubview:self.refreshControl];
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}
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-(void)initializeTableView
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{
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self.tableView.contentOffset = CGPointMake(0, 44);
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self.tableView.tableFooterView = [[UIView alloc] initWithFrame:CGRectZero];
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}
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-(void)initializeObservers
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{
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(contactsDidRefresh) name:NOTIFICATION_DIRECTORY_WAS_UPDATED object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(contactRefreshFailed) name:NOTIFICATION_DIRECTORY_FAILED object:nil];
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}
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#pragma mark - UISearchResultsUpdating
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-(void)updateSearchResultsForSearchController:(UISearchController *)searchController {
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NSString *searchString = [self.searchController.searchBar text];
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[self filterContentForSearchText:searchString scope:nil];
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[self.tableView reloadData];
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}
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#pragma mark - UISearchBarDelegate
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- (void)searchBar:(UISearchBar *)searchBar selectedScopeButtonIndexDidChange:(NSInteger)selectedScope {
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[self updateSearchResultsForSearchController:self.searchController];
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}
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#pragma mark - Filter
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- (void)filterContentForSearchText:(NSString*)searchText scope:(NSString*)scope
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{
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NSPredicate *numberPredicate = [NSPredicate predicateWithFormat:@"ANY SELF.userTextPhoneNumbers contains[cd] %@ OR fullName contains[c] %@", searchText, searchText];
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searchResults = [self.latestContacts filteredArrayUsingPredicate:numberPredicate];
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if (!searchResults.count && _searchController.searchBar.text.length == 0) {
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searchResults = self.latestContacts;
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}
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}
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#pragma mark - Contact functions
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- (void)setupContacts {
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ObservableValue *observableContacts = Environment.getCurrent.contactsManager.getObservableRedPhoneUsers;
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[observableContacts watchLatestValue:^(NSArray *latestContacts) {
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_latestContacts = latestContacts;
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[self onSearchOrContactChange:nil];
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} onThread:NSThread.mainThread untilCancelled:nil];
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}
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- (NSArray *)contactsForSectionIndex:(NSUInteger)index {
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return [latestAlphabeticalContacts valueForKey:self.latestSortedAlphabeticalContactKeys[index]];
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}
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-(NSMutableDictionary*)alphabetDictionaryInit
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{
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NSDictionary * dic;
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dic = @{
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@"A": @[], @"B": @[], @"C": @[],
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@"D": @[], @"E": @[], @"F": @[],
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@"G": @[], @"H": @[], @"I": @[],
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@"J": @[], @"K": @[], @"L": @[],
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@"M": @[], @"N": @[], @"O": @[],
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@"P": @[], @"Q": @[], @"R": @[],
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@"S": @[], @"T": @[], @"U": @[],
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@"V": @[], @"W": @[], @"X": @[],
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@"Y": @[], @"Z": @[]
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};
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return [dic mutableCopy];
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}
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#pragma mark - Table view data source
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- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
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if (self.searchController.active) {
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return (NSInteger)[searchResults count];
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} else {
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return (NSInteger)[[self contactsForSectionIndex:(NSUInteger)section] count];
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}
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}
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- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
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if ([[self contactsForSectionIndex:(NSUInteger)section] count] && !self.searchController.isActive) {
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return self.latestSortedAlphabeticalContactKeys[(NSUInteger)section];
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} else {
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return nil;
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}
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}
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- (void)tableView:(UITableView *)tableView willDisplayHeaderView:(UIView *)view forSection:(NSInteger)section
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{
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UITableViewHeaderFooterView *header = (UITableViewHeaderFooterView *)view;
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[header.textLabel setTextColor:[UIColor ows_blackColor]];
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[header.textLabel setFont:[UIFont ows_thinFontWithSize:14.0f]];
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}
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- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
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if (self.searchController.active) {
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return 1;
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} else {
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return (NSInteger)[[latestAlphabeticalContacts allKeys] count];
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}
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}
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- (NSArray *)sectionIndexTitlesForTableView:(UITableView *)tableView
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{
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tableView.sectionIndexBackgroundColor = [UIColor clearColor];
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return _latestSortedAlphabeticalContactKeys;
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}
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- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
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ContactTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CONTACT_BROWSE_TABLE_CELL_IDENTIFIER];
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if (!cell) {
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cell = [[ContactTableViewCell alloc] initWithStyle:UITableViewCellStyleDefault
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reuseIdentifier:CONTACT_BROWSE_TABLE_CELL_IDENTIFIER];
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}
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[cell configureWithContact:[self contactForIndexPath:indexPath]];
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return cell;
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}
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-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
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{
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[self performSegueWithIdentifier:@"DetailSegue" sender:self];
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[tableView deselectRowAtIndexPath:indexPath animated:YES];
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}
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-(Contact*)contactForIndexPath:(NSIndexPath*)indexPath
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{
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Contact *contact = nil;
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if (self.searchController.active) {
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contact = [searchResults objectAtIndex:(NSUInteger)indexPath.row];
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} else {
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NSArray *contactSection = [self contactsForSectionIndex:(NSUInteger)indexPath.section];
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contact = contactSection[(NSUInteger)indexPath.row];
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}
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return contact;
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}
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-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
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{
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return 55.0f;
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}
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#pragma mark - Segue
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-(void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
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{
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if ([segue.identifier isEqualToString:@"DetailSegue"])
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{
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Contact *contact = nil;
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ContactDetailTableViewController * detailvc = [segue destinationViewController];
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NSIndexPath * indexPath = [self.tableView indexPathForSelectedRow];
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if (self.searchController.active) {
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contact = [searchResults objectAtIndex:(NSUInteger)indexPath.row];
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} else {
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NSArray *contactSection = [self contactsForSectionIndex:(NSUInteger)indexPath.section];
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contact = contactSection[(NSUInteger)indexPath.row];
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}
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detailvc.contact = contact;
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}
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}
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#pragma mark - Refresh controls
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- (void)onSearchOrContactChange:(NSString *)searchTerm {
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if (_latestContacts) {
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latestAlphabeticalContacts = [ContactsManager groupContactsByFirstLetter:_latestContacts
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matchingSearchString:searchTerm];
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NSArray *contactKeys = [latestAlphabeticalContacts allKeys];
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_latestSortedAlphabeticalContactKeys = [contactKeys sortedArrayUsingSelector:@selector(caseInsensitiveCompare:)];
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[_contactTableView reloadData];
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}
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}
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- (void)refreshContacts{
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Environment *env = [Environment getCurrent];
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PhoneNumberDirectoryFilterManager *manager = [env phoneDirectoryManager];
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[manager forceUpdate];
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}
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- (void)contactRefreshFailed{
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UIAlertView *alert = [[UIAlertView alloc] initWithTitle:TIMEOUT message:TIMEOUT_CONTACTS_DETAIL delegate:nil cancelButtonTitle:NSLocalizedString(@"OK", @"") otherButtonTitles:nil];
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[alert show];
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[self.refreshControl endRefreshing];
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}
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- (void)contactsDidRefresh{
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if (_latestContacts.count == 0)
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{
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CGRect r = CGRectMake(0, 60, 300, 70);
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_emptyViewLabel = [[UILabel alloc]initWithFrame:r];
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_emptyViewLabel.text = @"None of your contacts are Signal users yet.";
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_emptyViewLabel.textColor = [UIColor ows_darkGrayColor];
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_emptyViewLabel.font = [UIFont ows_thinFontWithSize:14.0f];
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_emptyViewLabel.textAlignment = NSTextAlignmentCenter;
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self.tableView.tableFooterView = _emptyViewLabel;
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} else {
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self.tableView.tableFooterView = self.tableView.tableFooterView = [[UIView alloc]initWithFrame:CGRectZero];
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[self.tableView reloadData];
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}
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[self.refreshControl endRefreshing];
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}
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@end
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