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session-ios/Signal/src/ViewControllers/SelectRecipientViewController.m
Matthew Chen fd9188415f Respond to CR. 
// FREEBIE
2017-10-02 14:26:03 -04:00

607 lines
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//
// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
//
#import "SelectRecipientViewController.h"
#import "ContactTableViewCell.h"
#import "ContactsViewHelper.h"
#import "CountryCodeViewController.h"
#import "Environment.h"
#import "OWSContactsManager.h"
#import "OWSTableViewController.h"
#import "PhoneNumber.h"
#import "Signal-Swift.h"
#import "StringUtil.h"
#import "UIFont+OWS.h"
#import "UIUtil.h"
#import "UIView+OWS.h"
#import "ViewControllerUtils.h"
#import <SignalServiceKit/ContactsUpdater.h>
#import <SignalServiceKit/OWSBlockingManager.h>
#import <SignalServiceKit/PhoneNumberUtil.h>
#import <SignalServiceKit/SignalAccount.h>
#import <SignalServiceKit/TSAccountManager.h>
NS_ASSUME_NONNULL_BEGIN
NSString *const kSelectRecipientViewControllerCellIdentifier = @"kSelectRecipientViewControllerCellIdentifier";
#pragma mark -
@interface SelectRecipientViewController () <CountryCodeViewControllerDelegate,
ContactsViewHelperDelegate,
OWSTableViewControllerDelegate,
UITextFieldDelegate>
@property (nonatomic) UIButton *countryCodeButton;
@property (nonatomic) UITextField *phoneNumberTextField;
@property (nonatomic) OWSFlatButton *phoneNumberButton;
@property (nonatomic) UILabel *examplePhoneNumberLabel;
@property (nonatomic, readonly) OWSTableViewController *tableViewController;
@property (nonatomic) NSString *callingCode;
@end
#pragma mark -
@implementation SelectRecipientViewController
- (void)loadView
{
[super loadView];
self.view.backgroundColor = [UIColor whiteColor];
[self.navigationController.navigationBar setTranslucent:NO];
_contactsViewHelper = [[ContactsViewHelper alloc] initWithDelegate:self];
[self createViews];
[self populateDefaultCountryNameAndCode];
if (self.delegate.shouldHideContacts) {
self.tableViewController.tableView.scrollEnabled = NO;
}
}
- (void)viewDidLoad
{
OWSAssert(self.tableViewController);
[super viewDidLoad];
}
- (void)viewDidAppear:(BOOL)animated
{
[super viewDidAppear:animated];
[self.tableViewController viewDidAppear:animated];
if ([self.delegate shouldHideContacts]) {
[self.phoneNumberTextField becomeFirstResponder];
}
}
- (void)createViews
{
OWSAssert(self.delegate);
_tableViewController = [OWSTableViewController new];
_tableViewController.delegate = self;
[self.view addSubview:self.tableViewController.view];
[_tableViewController.view autoPinWidthToSuperview];
[_tableViewController.view autoPinToTopLayoutGuideOfViewController:self withInset:0];
[_tableViewController.view autoPinToBottomLayoutGuideOfViewController:self withInset:0];
[self updateTableContents];
[self updatePhoneNumberButtonEnabling];
}
- (UILabel *)countryCodeLabel
{
UILabel *countryCodeLabel = [UILabel new];
countryCodeLabel.font = [UIFont ows_mediumFontWithSize:18.f];
countryCodeLabel.textColor = [UIColor blackColor];
countryCodeLabel.text
= NSLocalizedString(@"REGISTRATION_DEFAULT_COUNTRY_NAME", @"Label for the country code field");
return countryCodeLabel;
}
- (UIButton *)countryCodeButton
{
if (!_countryCodeButton) {
_countryCodeButton = [UIButton buttonWithType:UIButtonTypeCustom];
_countryCodeButton.titleLabel.font = [UIFont ows_mediumFontWithSize:18.f];
_countryCodeButton.contentHorizontalAlignment = UIControlContentHorizontalAlignmentRight;
[_countryCodeButton setTitleColor:[UIColor ows_materialBlueColor] forState:UIControlStateNormal];
[_countryCodeButton addTarget:self
action:@selector(showCountryCodeView:)
forControlEvents:UIControlEventTouchUpInside];
}
return _countryCodeButton;
}
- (UILabel *)phoneNumberLabel
{
UILabel *phoneNumberLabel = [UILabel new];
phoneNumberLabel.font = [UIFont ows_mediumFontWithSize:18.f];
phoneNumberLabel.textColor = [UIColor blackColor];
phoneNumberLabel.text
= NSLocalizedString(@"REGISTRATION_PHONENUMBER_BUTTON", @"Label for the phone number textfield");
return phoneNumberLabel;
}
- (UIFont *)examplePhoneNumberFont
{
return [UIFont ows_regularFontWithSize:16.f];
}
- (UILabel *)examplePhoneNumberLabel
{
if (!_examplePhoneNumberLabel) {
_examplePhoneNumberLabel = [UILabel new];
_examplePhoneNumberLabel.font = [self examplePhoneNumberFont];
_examplePhoneNumberLabel.textColor = [UIColor colorWithWhite:0.5f alpha:1.f];
}
return _examplePhoneNumberLabel;
}
- (UITextField *)phoneNumberTextField
{
if (!_phoneNumberTextField) {
_phoneNumberTextField = [UITextField new];
_phoneNumberTextField.font = [UIFont ows_mediumFontWithSize:18.f];
_phoneNumberTextField.textAlignment = _phoneNumberTextField.textAlignmentUnnatural;
_phoneNumberTextField.textColor = [UIColor ows_materialBlueColor];
_phoneNumberTextField.placeholder = NSLocalizedString(
@"REGISTRATION_ENTERNUMBER_DEFAULT_TEXT", @"Placeholder text for the phone number textfield");
_phoneNumberTextField.keyboardType = UIKeyboardTypeNumberPad;
_phoneNumberTextField.delegate = self;
[_phoneNumberTextField addTarget:self
action:@selector(textFieldDidChange:)
forControlEvents:UIControlEventEditingChanged];
}
return _phoneNumberTextField;
}
- (OWSFlatButton *)phoneNumberButton
{
if (!_phoneNumberButton) {
const CGFloat kButtonHeight = 40;
OWSFlatButton *button = [OWSFlatButton buttonWithTitle:[self.delegate phoneNumberButtonText]
font:[OWSFlatButton fontForHeight:kButtonHeight]
titleColor:[UIColor whiteColor]
backgroundColor:[UIColor ows_materialBlueColor]
target:self
selector:@selector(phoneNumberButtonPressed)];
_phoneNumberButton = button;
[button autoSetDimension:ALDimensionWidth toSize:140];
[button autoSetDimension:ALDimensionHeight toSize:kButtonHeight];
}
return _phoneNumberButton;
}
- (UIView *)createRowWithHeight:(CGFloat)height
previousRow:(nullable UIView *)previousRow
superview:(nullable UIView *)superview
{
UIView *row = [UIView containerView];
[superview addSubview:row];
[row autoPinLeadingAndTrailingToSuperview];
if (previousRow) {
[row autoPinEdge:ALEdgeTop toEdge:ALEdgeBottom ofView:previousRow withOffset:0];
} else {
[row autoPinEdgeToSuperviewEdge:ALEdgeTop];
}
[row autoSetDimension:ALDimensionHeight toSize:height];
return row;
}
#pragma mark - Country
- (void)populateDefaultCountryNameAndCode
{
PhoneNumber *localNumber = [PhoneNumber phoneNumberFromE164:[TSAccountManager localNumber]];
OWSAssert(localNumber);
NSString *countryCode;
NSNumber *callingCode;
if (localNumber) {
callingCode = [localNumber getCountryCode];
OWSAssert(callingCode);
if (callingCode) {
NSString *prefix = [NSString stringWithFormat:@"+%d", callingCode.intValue];
countryCode = [[PhoneNumberUtil sharedUtil] probableCountryCodeForCallingCode:prefix];
}
}
if (!countryCode || !callingCode) {
NSLocale *locale = NSLocale.currentLocale;
countryCode = [locale objectForKey:NSLocaleCountryCode];
callingCode = [[PhoneNumberUtil sharedUtil].nbPhoneNumberUtil getCountryCodeForRegion:countryCode];
}
NSString *countryName = [PhoneNumberUtil countryNameFromCountryCode:countryCode];
[self updateCountryWithName:countryName
callingCode:[NSString stringWithFormat:@"%@%@", COUNTRY_CODE_PREFIX, callingCode]
countryCode:countryCode];
}
- (void)updateCountryWithName:(NSString *)countryName
callingCode:(NSString *)callingCode
countryCode:(NSString *)countryCode
{
_callingCode = callingCode;
NSString *title = [NSString stringWithFormat:@"%@ (%@)", callingCode, countryCode.uppercaseString];
[self.countryCodeButton setTitle:title forState:UIControlStateNormal];
[self.countryCodeButton layoutSubviews];
self.examplePhoneNumberLabel.text =
[ViewControllerUtils examplePhoneNumberForCountryCode:countryCode callingCode:callingCode];
[self.examplePhoneNumberLabel.superview layoutSubviews];
}
- (void)setCallingCode:(NSString *)callingCode
{
_callingCode = callingCode;
[self updatePhoneNumberButtonEnabling];
}
#pragma mark - Actions
- (void)showCountryCodeView:(nullable id)sender
{
CountryCodeViewController *countryCodeController = [CountryCodeViewController new];
countryCodeController.countryCodeDelegate = self;
UINavigationController *navigationController =
[[UINavigationController alloc] initWithRootViewController:countryCodeController];
[self presentViewController:navigationController animated:YES completion:[UIUtil modalCompletionBlock]];
}
- (void)phoneNumberButtonPressed
{
[self tryToSelectPhoneNumber];
}
- (void)tryToSelectPhoneNumber
{
OWSAssert(self.delegate);
if (![self hasValidPhoneNumber]) {
OWSFail(@"Invalid phone number was selected.");
return;
}
NSString *rawPhoneNumber = [self.callingCode stringByAppendingString:self.phoneNumberTextField.text.digitsOnly];
NSMutableArray<NSString *> *possiblePhoneNumbers = [NSMutableArray new];
for (PhoneNumber *phoneNumber in
[PhoneNumber tryParsePhoneNumbersFromsUserSpecifiedText:rawPhoneNumber
clientPhoneNumber:[TSAccountManager localNumber]]) {
[possiblePhoneNumbers addObject:phoneNumber.toE164];
}
if ([possiblePhoneNumbers count] < 1) {
OWSFail(@"Couldn't parse phone number.");
return;
}
[self.phoneNumberTextField resignFirstResponder];
// There should only be one phone number, since we're explicitly specifying
// a country code and therefore parsing a number in e164 format.
OWSAssert([possiblePhoneNumbers count] == 1);
if ([self.delegate shouldValidatePhoneNumbers]) {
// Show an alert while validating the recipient.
__weak SelectRecipientViewController *weakSelf = self;
[ModalActivityIndicatorViewController
presentFromViewController:self
canCancel:YES
backgroundBlock:^(ModalActivityIndicatorViewController *modalActivityIndicator) {
[[ContactsUpdater sharedUpdater] lookupIdentifiers:possiblePhoneNumbers
success:^(NSArray<SignalRecipient *> *recipients) {
OWSAssert([NSThread isMainThread]);
OWSAssert(recipients.count > 0);
if (modalActivityIndicator.wasCancelled) {
return;
}
NSString *recipientId = recipients[0].uniqueId;
[modalActivityIndicator
dismissViewControllerAnimated:NO
completion:^{
[weakSelf.delegate phoneNumberWasSelected:recipientId];
}];
}
failure:^(NSError *error) {
OWSAssert([NSThread isMainThread]);
if (modalActivityIndicator.wasCancelled) {
return;
}
[modalActivityIndicator
dismissViewControllerAnimated:NO
completion:^{
[OWSAlerts showAlertWithTitle:
NSLocalizedString(@"ALERT_ERROR_TITLE",
@"Title for a generic error alert.")
message:error.localizedDescription];
}];
}];
}];
} else {
NSString *recipientId = possiblePhoneNumbers[0];
[self.delegate phoneNumberWasSelected:recipientId];
}
}
- (void)textFieldDidChange:(id)sender
{
[self updatePhoneNumberButtonEnabling];
}
// TODO: We could also do this in registration view.
- (BOOL)hasValidPhoneNumber
{
if (!self.callingCode) {
return NO;
}
NSString *possiblePhoneNumber =
[self.callingCode stringByAppendingString:self.phoneNumberTextField.text.digitsOnly];
NSArray<PhoneNumber *> *parsePhoneNumbers =
[PhoneNumber tryParsePhoneNumbersFromsUserSpecifiedText:possiblePhoneNumber
clientPhoneNumber:[TSAccountManager localNumber]];
if (parsePhoneNumbers.count < 1) {
return NO;
}
PhoneNumber *parsedPhoneNumber = parsePhoneNumbers[0];
// It'd be nice to use [PhoneNumber isValid] but it always returns false for some countries
// (like afghanistan) and there doesn't seem to be a good way to determine beforehand
// which countries it can validate for without forking libPhoneNumber.
return parsedPhoneNumber.toE164.length > 1;
}
- (void)updatePhoneNumberButtonEnabling
{
BOOL isEnabled = [self hasValidPhoneNumber];
self.phoneNumberButton.enabled = isEnabled;
[self.phoneNumberButton
setBackgroundColorsWithUpColor:(isEnabled ? [UIColor ows_signalBrandBlueColor] : [UIColor lightGrayColor])];
}
#pragma mark - CountryCodeViewControllerDelegate
- (void)countryCodeViewController:(CountryCodeViewController *)vc
didSelectCountryCode:(NSString *)countryCode
countryName:(NSString *)countryName
callingCode:(NSString *)callingCode
{
OWSAssert(countryCode.length > 0);
OWSAssert(countryName.length > 0);
OWSAssert(callingCode.length > 0);
[self updateCountryWithName:countryName callingCode:callingCode countryCode:countryCode];
// Trigger the formatting logic with a no-op edit.
[self textField:self.phoneNumberTextField shouldChangeCharactersInRange:NSMakeRange(0, 0) replacementString:@""];
}
#pragma mark - UITextFieldDelegate
// TODO: This logic resides in both RegistrationViewController and here.
// We should refactor it out into a utility function.
- (BOOL)textField:(UITextField *)textField
shouldChangeCharactersInRange:(NSRange)range
replacementString:(NSString *)insertionText
{
[ViewControllerUtils phoneNumberTextField:textField
shouldChangeCharactersInRange:range
replacementString:insertionText
countryCode:_callingCode];
[self updatePhoneNumberButtonEnabling];
return NO; // inform our caller that we took care of performing the change
}
- (BOOL)textFieldShouldReturn:(UITextField *)textField
{
[textField resignFirstResponder];
if ([self hasValidPhoneNumber]) {
[self tryToSelectPhoneNumber];
}
return NO;
}
#pragma mark - Table Contents
- (void)updateTableContents
{
OWSTableContents *contents = [OWSTableContents new];
__weak SelectRecipientViewController *weakSelf = self;
ContactsViewHelper *helper = self.contactsViewHelper;
OWSTableSection *phoneNumberSection = [OWSTableSection new];
phoneNumberSection.headerTitle = [self.delegate phoneNumberSectionTitle];
const CGFloat kCountryRowHeight = 50;
const CGFloat kPhoneNumberRowHeight = 50;
const CGFloat examplePhoneNumberRowHeight = self.examplePhoneNumberFont.lineHeight + 3.f;
const CGFloat kButtonRowHeight = 60;
[phoneNumberSection addItem:[OWSTableItem itemWithCustomCellBlock:^{
SelectRecipientViewController *strongSelf = weakSelf;
OWSCAssert(strongSelf);
UITableViewCell *cell = [UITableViewCell new];
cell.preservesSuperviewLayoutMargins = YES;
cell.contentView.preservesSuperviewLayoutMargins = YES;
// Country Row
UIView *countryRow =
[strongSelf createRowWithHeight:kCountryRowHeight previousRow:nil superview:cell.contentView];
[countryRow addGestureRecognizer:[[UITapGestureRecognizer alloc] initWithTarget:strongSelf
action:@selector(countryRowTouched:)]];
UILabel *countryCodeLabel = strongSelf.countryCodeLabel;
[countryRow addSubview:countryCodeLabel];
[countryCodeLabel autoPinLeadingToSuperview];
[countryCodeLabel autoVCenterInSuperview];
[countryRow addSubview:strongSelf.countryCodeButton];
[strongSelf.countryCodeButton autoPinTrailingToSuperview];
[strongSelf.countryCodeButton autoVCenterInSuperview];
// Phone Number Row
UIView *phoneNumberRow =
[strongSelf createRowWithHeight:kPhoneNumberRowHeight previousRow:countryRow superview:cell.contentView];
[phoneNumberRow
addGestureRecognizer:[[UITapGestureRecognizer alloc] initWithTarget:strongSelf
action:@selector(phoneNumberRowTouched:)]];
UILabel *phoneNumberLabel = strongSelf.phoneNumberLabel;
[phoneNumberRow addSubview:phoneNumberLabel];
[phoneNumberLabel autoPinLeadingToSuperview];
[phoneNumberLabel autoVCenterInSuperview];
[phoneNumberRow addSubview:strongSelf.phoneNumberTextField];
[strongSelf.phoneNumberTextField autoPinLeadingToTrailingOfView:phoneNumberLabel margin:10.f];
[strongSelf.phoneNumberTextField autoPinTrailingToSuperview];
[strongSelf.phoneNumberTextField autoVCenterInSuperview];
// Example row.
UIView *examplePhoneNumberRow = [strongSelf createRowWithHeight:examplePhoneNumberRowHeight
previousRow:phoneNumberRow
superview:cell.contentView];
[examplePhoneNumberRow addSubview:strongSelf.examplePhoneNumberLabel];
[strongSelf.examplePhoneNumberLabel autoVCenterInSuperview];
[strongSelf.examplePhoneNumberLabel autoPinTrailingToSuperview];
// Phone Number Button Row
UIView *buttonRow = [strongSelf createRowWithHeight:kButtonRowHeight
previousRow:examplePhoneNumberRow
superview:cell.contentView];
[buttonRow addSubview:strongSelf.phoneNumberButton];
[strongSelf.phoneNumberButton autoVCenterInSuperview];
[strongSelf.phoneNumberButton autoPinTrailingToSuperview];
[buttonRow autoPinEdgeToSuperviewEdge:ALEdgeBottom];
cell.selectionStyle = UITableViewCellSelectionStyleNone;
return cell;
}
customRowHeight:kCountryRowHeight + kPhoneNumberRowHeight
+ examplePhoneNumberRowHeight
+ kButtonRowHeight
actionBlock:nil]];
[contents addSection:phoneNumberSection];
if (![self.delegate shouldHideContacts]) {
OWSTableSection *contactsSection = [OWSTableSection new];
contactsSection.headerTitle = [self.delegate contactsSectionTitle];
NSArray<SignalAccount *> *signalAccounts = helper.signalAccounts;
if (signalAccounts.count == 0) {
// No Contacts
[contactsSection
addItem:[OWSTableItem softCenterLabelItemWithText:
NSLocalizedString(@"SETTINGS_BLOCK_LIST_NO_CONTACTS",
@"A label that indicates the user has no Signal contacts.")]];
} else {
// Contacts
for (SignalAccount *signalAccount in signalAccounts) {
[contactsSection addItem:[OWSTableItem itemWithCustomCellBlock:^{
SelectRecipientViewController *strongSelf = weakSelf;
OWSCAssert(strongSelf);
ContactTableViewCell *cell = [ContactTableViewCell new];
BOOL isBlocked = [helper isRecipientIdBlocked:signalAccount.recipientId];
if (isBlocked) {
cell.accessoryMessage = NSLocalizedString(
@"CONTACT_CELL_IS_BLOCKED", @"An indicator that a contact has been blocked.");
} else {
cell.accessoryMessage = [weakSelf.delegate accessoryMessageForSignalAccount:signalAccount];
}
[cell configureWithSignalAccount:signalAccount contactsManager:helper.contactsManager];
if (![weakSelf.delegate canSignalAccountBeSelected:signalAccount]) {
cell.selectionStyle = UITableViewCellSelectionStyleNone;
}
return cell;
}
customRowHeight:[ContactTableViewCell rowHeight]
actionBlock:^{
if (![weakSelf.delegate canSignalAccountBeSelected:signalAccount]) {
return;
}
[weakSelf.delegate signalAccountWasSelected:signalAccount];
}]];
}
}
[contents addSection:contactsSection];
}
self.tableViewController.contents = contents;
}
- (void)phoneNumberRowTouched:(UIGestureRecognizer *)sender
{
if (sender.state == UIGestureRecognizerStateRecognized) {
[self.phoneNumberTextField becomeFirstResponder];
}
}
- (void)countryRowTouched:(UIGestureRecognizer *)sender
{
if (sender.state == UIGestureRecognizerStateRecognized) {
[self showCountryCodeView:nil];
}
}
#pragma mark - OWSTableViewControllerDelegate
- (void)tableViewDidScroll
{
[self.phoneNumberTextField resignFirstResponder];
}
#pragma mark - ContactsViewHelperDelegate
- (void)contactsViewHelperDidUpdateContacts
{
[self updateTableContents];
}
- (BOOL)shouldHideLocalNumber
{
return [self.delegate shouldHideLocalNumber];
}
#pragma mark - Logging
+ (NSString *)tag
{
return [NSString stringWithFormat:@"[%@]", self.class];
}
- (NSString *)tag
{
return self.class.tag;
}
@end
NS_ASSUME_NONNULL_END
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