ios/chrome/browser/ui/infobars/modals/infobar_password_table_view_controller.mm - chromium/src - Git at Google

 // Copyright 2019 The Chromium Authors
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 #import "ios/chrome/browser/ui/infobars/modals/infobar_password_table_view_controller.h"

 #import "base/apple/foundation_util.h"
 #import "base/metrics/user_metrics.h"
 #import "base/metrics/user_metrics_action.h"
 #import "base/notreached.h"
 #import "ios/chrome/browser/infobars/infobar_metrics_recorder.h"
 #import "ios/chrome/browser/passwords/ios_chrome_password_infobar_metrics_recorder.h"
 #import "ios/chrome/browser/shared/ui/symbols/symbols.h"
 #import "ios/chrome/browser/shared/ui/table_view/cells/table_view_text_button_item.h"
 #import "ios/chrome/browser/shared/ui/table_view/cells/table_view_text_edit_item.h"
 #import "ios/chrome/browser/shared/ui/table_view/chrome_table_view_styler.h"
 #import "ios/chrome/browser/shared/ui/util/uikit_ui_util.h"
 #import "ios/chrome/browser/ui/infobars/modals/infobar_modal_constants.h"
 #import "ios/chrome/browser/ui/infobars/modals/infobar_password_modal_delegate.h"
 #import "ios/chrome/common/ui/colors/semantic_color_names.h"
 #import "ios/chrome/common/ui/table_view/table_view_cells_constants.h"
 #import "ios/chrome/grit/ios_strings.h"
 #import "ui/base/l10n/l10n_util.h"

 namespace {
 typedef NS_ENUM(NSInteger, SectionIdentifier) {
   SectionIdentifierContent = kSectionIdentifierEnumZero,
 };

 typedef NS_ENUM(NSInteger, ItemType) {
   ItemTypeURL = kItemTypeEnumZero,
   ItemTypeUsername,
   ItemTypePassword,
   ItemTypeSaveCredentials,
   ItemTypeCancel,
 };

 const CGFloat kSymbolSize = 15;
 }  // namespace

 @interface InfobarPasswordTableViewController () <UITextFieldDelegate>
 // Properties backing InfobarPasswordModalConsumer interface.
 @property(nonatomic, copy) NSString* username;
 @property(nonatomic, copy) NSString* maskedPassword;
 @property(nonatomic, copy) NSString* unmaskedPassword;
 @property(nonatomic, copy) NSString* detailsTextMessage;
 @property(nonatomic, copy) NSString* URL;
 @property(nonatomic, copy) NSString* saveButtonText;
 @property(nonatomic, copy) NSString* cancelButtonText;
 @property(nonatomic, assign) BOOL currentCredentialsSaved;
 // Item that holds the Username TextField information.
 @property(nonatomic, strong) TableViewTextEditItem* usernameItem;
 // Item that holds the Password TextField information.
 @property(nonatomic, strong) TableViewTextEditItem* passwordItem;
 // Item that holds the SaveCredentials Button information.
 @property(nonatomic, strong) TableViewTextButtonItem* saveCredentialsItem;
 // Item that holds the cancel Button for this Infobar. e.g. "Never Save for this
 // site".
 @property(nonatomic, strong) TableViewTextButtonItem* cancelInfobarItem;
 // Username at the time the InfobarModal is presented.
 @property(nonatomic, copy) NSString* originalUsername;
 // InfobarPasswordModalDelegate for this ViewController.
 @property(nonatomic, strong) id<InfobarPasswordModalDelegate>
     infobarModalDelegate;
 // Used to build and record metrics.
 @property(nonatomic, strong) InfobarMetricsRecorder* metricsRecorder;
 // Used to build and record metrics specific to passwords.
 @property(nonatomic, strong)
     IOSChromePasswordInfobarMetricsRecorder* passwordMetricsRecorder;
 // Whether the current password being shown is masked or not.
 @property(nonatomic, assign) BOOL passwordMasked;
 @end

 @implementation InfobarPasswordTableViewController

 - (instancetype)initWithDelegate:(id<InfobarPasswordModalDelegate>)modalDelegate
                             type:(InfobarType)infobarType {
   self = [super initWithStyle:UITableViewStylePlain];
   if (self) {
     _infobarModalDelegate = modalDelegate;
     _metricsRecorder =
         [[InfobarMetricsRecorder alloc] initWithType:infobarType];
     switch (infobarType) {
       case InfobarType::kInfobarTypePasswordUpdate:
         _passwordMetricsRecorder =
             [[IOSChromePasswordInfobarMetricsRecorder alloc]
                 initWithType:PasswordInfobarType::kPasswordInfobarTypeUpdate];
         break;
       case InfobarType::kInfobarTypePasswordSave:
         _passwordMetricsRecorder =
             [[IOSChromePasswordInfobarMetricsRecorder alloc]
                 initWithType:PasswordInfobarType::kPasswordInfobarTypeSave];
         break;
       default:
         NOTREACHED();
         break;
     }
   }
   return self;
 }

 #pragma mark - ViewController Lifecycle

 - (void)viewDidLoad {
   [super viewDidLoad];
   self.view.backgroundColor = [UIColor colorNamed:kBackgroundColor];
   self.styler.cellBackgroundColor = [UIColor colorNamed:kBackgroundColor];
   self.tableView.sectionHeaderHeight = 0;
   [self.tableView
       setSeparatorInset:UIEdgeInsetsMake(0, kTableViewHorizontalSpacing, 0, 0)];

   // Configure the NavigationBar.
   UIBarButtonItem* cancelButton = [[UIBarButtonItem alloc]
       initWithBarButtonSystemItem:UIBarButtonSystemItemCancel
                            target:self
                            action:@selector(dismissInfobarModal)];
   cancelButton.accessibilityIdentifier = kInfobarModalCancelButton;

   UIImage* gearImage = DefaultSymbolWithPointSize(kSettingsFilledSymbol,
                                                   kInfobarSymbolPointSize);
   UIBarButtonItem* settingsButton = [[UIBarButtonItem alloc]
       initWithImage:gearImage
               style:UIBarButtonItemStylePlain
              target:self
              action:@selector(presentPasswordSettings)];
   settingsButton.accessibilityLabel =
       l10n_util::GetNSString(IDS_IOS_INFOBAR_MODAL_PASSWORD_SETTINGS_HINT);
   self.navigationItem.leftBarButtonItem = cancelButton;
   self.navigationItem.rightBarButtonItem = settingsButton;
   self.navigationController.navigationBar.prefersLargeTitles = NO;

   [self loadModel];
 }

 - (void)viewDidAppear:(BOOL)animated {
   [super viewDidAppear:animated];
   [self.metricsRecorder recordModalEvent:MobileMessagesModalEvent::Presented];
 }

 - (void)viewDidDisappear:(BOOL)animated {
   [self.infobarModalDelegate modalInfobarWasDismissed:self];
   [self.metricsRecorder recordModalEvent:MobileMessagesModalEvent::Dismissed];
   [super viewDidDisappear:animated];
 }

 - (void)viewDidLayoutSubviews {
   [super viewDidLayoutSubviews];
   self.tableView.scrollEnabled =
       self.tableView.contentSize.height > self.view.frame.size.height;
 }

 #pragma mark - TableViewModel

 - (void)loadModel {
   [super loadModel];

   TableViewModel* model = self.tableViewModel;
   [model addSectionWithIdentifier:SectionIdentifierContent];

   TableViewTextEditItem* URLItem =
       [[TableViewTextEditItem alloc] initWithType:ItemTypeURL];
   URLItem.fieldNameLabelText =
       l10n_util::GetNSString(IDS_IOS_SHOW_PASSWORD_VIEW_SITE);
   URLItem.textFieldValue = self.URL;
   URLItem.hideIcon = YES;
   [model addItem:URLItem toSectionWithIdentifier:SectionIdentifierContent];

   self.originalUsername = self.username;
   self.usernameItem =
       [[TableViewTextEditItem alloc] initWithType:ItemTypeUsername];
   self.usernameItem.fieldNameLabelText =
       l10n_util::GetNSString(IDS_IOS_SHOW_PASSWORD_VIEW_USERNAME);
   self.usernameItem.textFieldValue = self.username;
   self.usernameItem.returnKeyType = UIReturnKeyDone;
   self.usernameItem.textFieldEnabled = !self.currentCredentialsSaved;
   self.usernameItem.autoCapitalizationType = UITextAutocapitalizationTypeNone;
   [model addItem:self.usernameItem
       toSectionWithIdentifier:SectionIdentifierContent];

   self.passwordItem =
       [[TableViewTextEditItem alloc] initWithType:ItemTypePassword];
   self.passwordItem.fieldNameLabelText =
       l10n_util::GetNSString(IDS_IOS_SHOW_PASSWORD_VIEW_PASSWORD);
   self.passwordItem.textFieldValue = self.maskedPassword;
   self.passwordItem.identifyingIcon =
       DefaultSymbolWithPointSize(kShowActionSymbol, kSymbolSize);
   self.passwordItem.identifyingIconEnabled = YES;
   self.passwordItem.hideIcon = YES;
   self.passwordItem.identifyingIconAccessibilityLabel = l10n_util::GetNSString(
       IDS_IOS_INFOBAR_MODAL_PASSWORD_REVEAL_PASSWORD_HINT);
   [model addItem:self.passwordItem
       toSectionWithIdentifier:SectionIdentifierContent];

   self.passwordMasked = YES;

   self.saveCredentialsItem =
       [[TableViewTextButtonItem alloc] initWithType:ItemTypeSaveCredentials];
   self.saveCredentialsItem.textAlignment = NSTextAlignmentNatural;
   self.saveCredentialsItem.text = self.detailsTextMessage;
   self.saveCredentialsItem.buttonText = self.saveButtonText;
   self.saveCredentialsItem.enabled = !self.currentCredentialsSaved;
   self.saveCredentialsItem.disableButtonIntrinsicWidth = YES;
   [model addItem:self.saveCredentialsItem
       toSectionWithIdentifier:SectionIdentifierContent];

   if ([self.cancelButtonText length]) {
     self.cancelInfobarItem =
         [[TableViewTextButtonItem alloc] initWithType:ItemTypeCancel];
     self.cancelInfobarItem.buttonText = self.cancelButtonText;
     self.cancelInfobarItem.buttonTextColor = [UIColor colorNamed:kBlueColor];
     self.cancelInfobarItem.buttonBackgroundColor = [UIColor clearColor];
     self.cancelInfobarItem.boldButtonText = NO;
     [model addItem:self.cancelInfobarItem
         toSectionWithIdentifier:SectionIdentifierContent];
   }
 }

 #pragma mark - UITableViewDataSource

 - (UITableViewCell*)tableView:(UITableView*)tableView
         cellForRowAtIndexPath:(NSIndexPath*)indexPath {
   UITableViewCell* cell = [super tableView:tableView
                      cellForRowAtIndexPath:indexPath];
   ItemType itemType = static_cast<ItemType>(
       [self.tableViewModel itemTypeForIndexPath:indexPath]);

   switch (itemType) {
     case ItemTypeSaveCredentials: {
       TableViewTextButtonCell* tableViewTextButtonCell =
           base::apple::ObjCCastStrict<TableViewTextButtonCell>(cell);
       [tableViewTextButtonCell.button
                  addTarget:self
                     action:@selector(saveCredentialsButtonWasPressed:)
           forControlEvents:UIControlEventTouchUpInside];
       tableViewTextButtonCell.separatorInset =
           UIEdgeInsetsMake(0, 0, 0, self.tableView.bounds.size.width);
       break;
     }
     case ItemTypeCancel: {
       TableViewTextButtonCell* tableViewTextButtonCell =
           base::apple::ObjCCastStrict<TableViewTextButtonCell>(cell);
       [tableViewTextButtonCell.button
                  addTarget:self
                     action:@selector(neverSaveCredentialsForCurrentSite)
           forControlEvents:UIControlEventTouchUpInside];
       break;
     }
     case ItemTypeUsername: {
       TableViewTextEditCell* editCell =
           base::apple::ObjCCast<TableViewTextEditCell>(cell);
       [editCell.textField addTarget:self
                              action:@selector(usernameEditDidBegin)
                    forControlEvents:UIControlEventEditingDidBegin];
       [editCell.textField addTarget:self
                              action:@selector(updateSaveCredentialsButtonState)
                    forControlEvents:UIControlEventEditingChanged];
       editCell.selectionStyle = UITableViewCellSelectionStyleNone;
       editCell.textField.delegate = self;
       break;
     }
     case ItemTypePassword: {
       TableViewTextEditCell* editCell =
           base::apple::ObjCCast<TableViewTextEditCell>(cell);
       [editCell.textField addTarget:self
                              action:@selector(updateSaveCredentialsButtonState)
                    forControlEvents:UIControlEventEditingChanged];
       [editCell.identifyingIconButton addTarget:self
                                          action:@selector(togglePasswordMasking)
                                forControlEvents:UIControlEventTouchUpInside];
       editCell.selectionStyle = UITableViewCellSelectionStyleNone;
       break;
     }
     case ItemTypeURL:
       cell.selectionStyle = UITableViewCellSelectionStyleNone;
       break;
   }

   return cell;
 }

 #pragma mark - UITableViewDelegate

 - (CGFloat)tableView:(UITableView*)tableView
     heightForFooterInSection:(NSInteger)section {
   return 0;
 }

 #pragma mark - UITextFieldDelegate

 - (BOOL)textFieldShouldReturn:(UITextField*)textField {
   [textField resignFirstResponder];
   return YES;
 }

 #pragma mark - Private Methods

 - (void)updateSaveCredentialsButtonState {
   BOOL currentButtonState = [self.saveCredentialsItem isEnabled];
   BOOL newButtonState = [self.passwordItem.textFieldValue length] ? YES : NO;
   if (currentButtonState != newButtonState) {
     self.saveCredentialsItem.enabled = newButtonState;
     [self reconfigureCellsForItems:@[ self.saveCredentialsItem ]];
   }

   // TODO(crbug.com/945478):Ideally the InfobarDelegate should update the button
   // text. Once we have a consumer protocol we should be able to create a
   // delegate that asks the InfobarDelegate for the correct text.
   NSString* buttonText =
       [self.usernameItem.textFieldValue isEqualToString:self.originalUsername]
           ? self.saveButtonText
           : l10n_util::GetNSString(IDS_IOS_PASSWORD_MANAGER_SAVE_BUTTON);
   if (![self.saveCredentialsItem.buttonText isEqualToString:buttonText]) {
     self.saveCredentialsItem.buttonText = buttonText;
     [self reconfigureCellsForItems:@[ self.saveCredentialsItem ]];
   }
 }

 - (void)dismissInfobarModal {
   base::RecordAction(
       base::UserMetricsAction("MobileMessagesModalCancelledTapped"));
   [self.metricsRecorder recordModalEvent:MobileMessagesModalEvent::Canceled];
   [self.infobarModalDelegate dismissInfobarModal:self];
 }

 - (void)saveCredentialsButtonWasPressed:(UIButton*)sender {
   base::RecordAction(
       base::UserMetricsAction("MobileMessagesModalAcceptedTapped"));
   [self.metricsRecorder recordModalEvent:MobileMessagesModalEvent::Accepted];
   if ([self.saveCredentialsItem.buttonText
           isEqualToString:l10n_util::GetNSString(
                               IDS_IOS_PASSWORD_MANAGER_SAVE_BUTTON)]) {
     [self.passwordMetricsRecorder
         recordModalDismiss:MobileMessagesPasswordsModalDismiss::
                                SavedCredentials];
   } else {
     [self.passwordMetricsRecorder
         recordModalDismiss:MobileMessagesPasswordsModalDismiss::
                                UpdatedCredentials];
   }
   [self.infobarModalDelegate
       updateCredentialsWithUsername:self.usernameItem.textFieldValue
                            password:self.unmaskedPassword];
 }

 - (void)presentPasswordSettings {
   base::RecordAction(base::UserMetricsAction("MobileMessagesModalSettings"));
   [self.metricsRecorder
       recordModalEvent:MobileMessagesModalEvent::SettingsOpened];
   [self.infobarModalDelegate presentPasswordSettings];
 }

 - (void)neverSaveCredentialsForCurrentSite {
   base::RecordAction(base::UserMetricsAction("MobileMessagesModalNever"));
   [self.passwordMetricsRecorder
       recordModalDismiss:MobileMessagesPasswordsModalDismiss::
                              TappedNeverForThisSite];
   [self.infobarModalDelegate neverSaveCredentialsForCurrentSite];
 }

 - (void)usernameEditDidBegin {
   [self.passwordMetricsRecorder
       recordModalEvent:MobileMessagesPasswordsModalEvent::EditedUserName];
 }

 - (void)togglePasswordMasking {
   self.passwordMasked = !self.passwordMasked;
   if (self.passwordMasked) {
     self.passwordItem.identifyingIcon =
         DefaultSymbolWithPointSize(kShowActionSymbol, kSymbolSize);
     self.passwordItem.textFieldValue = self.maskedPassword;
     self.passwordItem.identifyingIconAccessibilityLabel =
         l10n_util::GetNSString(
             IDS_IOS_INFOBAR_MODAL_PASSWORD_REVEAL_PASSWORD_HINT);
     [self.passwordMetricsRecorder
         recordModalEvent:MobileMessagesPasswordsModalEvent::MaskedPassword];
   } else {
     self.passwordItem.identifyingIcon =
         DefaultSymbolWithPointSize(kHideActionSymbol, kSymbolSize);
     self.passwordItem.textFieldValue = self.unmaskedPassword;
     self.passwordItem.identifyingIconAccessibilityLabel =
         l10n_util::GetNSString(
             IDS_IOS_INFOBAR_MODAL_PASSWORD_HIDE_PASSWORD_HINT);
     [self.passwordMetricsRecorder
         recordModalEvent:MobileMessagesPasswordsModalEvent::UnmaskedPassword];
   }
   [self reconfigureCellsForItems:@[ self.passwordItem ]];
 }

 @end
	// Copyright 2019 The Chromium Authors
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.

	#import "ios/chrome/browser/ui/infobars/modals/infobar_password_table_view_controller.h"

	#import "base/apple/foundation_util.h"
	#import "base/metrics/user_metrics.h"
	#import "base/metrics/user_metrics_action.h"
	#import "base/notreached.h"
	#import "ios/chrome/browser/infobars/infobar_metrics_recorder.h"
	#import "ios/chrome/browser/passwords/ios_chrome_password_infobar_metrics_recorder.h"
	#import "ios/chrome/browser/shared/ui/symbols/symbols.h"
	#import "ios/chrome/browser/shared/ui/table_view/cells/table_view_text_button_item.h"
	#import "ios/chrome/browser/shared/ui/table_view/cells/table_view_text_edit_item.h"
	#import "ios/chrome/browser/shared/ui/table_view/chrome_table_view_styler.h"
	#import "ios/chrome/browser/shared/ui/util/uikit_ui_util.h"
	#import "ios/chrome/browser/ui/infobars/modals/infobar_modal_constants.h"
	#import "ios/chrome/browser/ui/infobars/modals/infobar_password_modal_delegate.h"
	#import "ios/chrome/common/ui/colors/semantic_color_names.h"
	#import "ios/chrome/common/ui/table_view/table_view_cells_constants.h"
	#import "ios/chrome/grit/ios_strings.h"
	#import "ui/base/l10n/l10n_util.h"

	namespace {
	typedef NS_ENUM(NSInteger, SectionIdentifier) {
	SectionIdentifierContent = kSectionIdentifierEnumZero,
	};

	typedef NS_ENUM(NSInteger, ItemType) {
	ItemTypeURL = kItemTypeEnumZero,
	ItemTypeUsername,
	ItemTypePassword,
	ItemTypeSaveCredentials,
	ItemTypeCancel,
	};

	const CGFloat kSymbolSize = 15;
	} // namespace

	@interface InfobarPasswordTableViewController () <UITextFieldDelegate>
	// Properties backing InfobarPasswordModalConsumer interface.
	@property(nonatomic, copy) NSString* username;
	@property(nonatomic, copy) NSString* maskedPassword;
	@property(nonatomic, copy) NSString* unmaskedPassword;
	@property(nonatomic, copy) NSString* detailsTextMessage;
	@property(nonatomic, copy) NSString* URL;
	@property(nonatomic, copy) NSString* saveButtonText;
	@property(nonatomic, copy) NSString* cancelButtonText;
	@property(nonatomic, assign) BOOL currentCredentialsSaved;
	// Item that holds the Username TextField information.
	@property(nonatomic, strong) TableViewTextEditItem* usernameItem;
	// Item that holds the Password TextField information.
	@property(nonatomic, strong) TableViewTextEditItem* passwordItem;
	// Item that holds the SaveCredentials Button information.
	@property(nonatomic, strong) TableViewTextButtonItem* saveCredentialsItem;
	// Item that holds the cancel Button for this Infobar. e.g. "Never Save for this
	// site".
	@property(nonatomic, strong) TableViewTextButtonItem* cancelInfobarItem;
	// Username at the time the InfobarModal is presented.
	@property(nonatomic, copy) NSString* originalUsername;
	// InfobarPasswordModalDelegate for this ViewController.
	@property(nonatomic, strong) id<InfobarPasswordModalDelegate>
	infobarModalDelegate;
	// Used to build and record metrics.
	@property(nonatomic, strong) InfobarMetricsRecorder* metricsRecorder;
	// Used to build and record metrics specific to passwords.
	@property(nonatomic, strong)
	IOSChromePasswordInfobarMetricsRecorder* passwordMetricsRecorder;
	// Whether the current password being shown is masked or not.
	@property(nonatomic, assign) BOOL passwordMasked;
	@end

	@implementation InfobarPasswordTableViewController

	- (instancetype)initWithDelegate:(id<InfobarPasswordModalDelegate>)modalDelegate
	type:(InfobarType)infobarType {
	self = [super initWithStyle:UITableViewStylePlain];
	if (self) {
	_infobarModalDelegate = modalDelegate;
	_metricsRecorder =
	[[InfobarMetricsRecorder alloc] initWithType:infobarType];
	switch (infobarType) {
	case InfobarType::kInfobarTypePasswordUpdate:
	_passwordMetricsRecorder =
	[[IOSChromePasswordInfobarMetricsRecorder alloc]
	initWithType:PasswordInfobarType::kPasswordInfobarTypeUpdate];
	break;
	case InfobarType::kInfobarTypePasswordSave:
	_passwordMetricsRecorder =
	[[IOSChromePasswordInfobarMetricsRecorder alloc]
	initWithType:PasswordInfobarType::kPasswordInfobarTypeSave];
	break;
	default:
	NOTREACHED();
	break;
	}
	}
	return self;
	}

	#pragma mark - ViewController Lifecycle

	- (void)viewDidLoad {
	[super viewDidLoad];
	self.view.backgroundColor = [UIColor colorNamed:kBackgroundColor];
	self.styler.cellBackgroundColor = [UIColor colorNamed:kBackgroundColor];
	self.tableView.sectionHeaderHeight = 0;
	[self.tableView
	setSeparatorInset:UIEdgeInsetsMake(0, kTableViewHorizontalSpacing, 0, 0)];

	// Configure the NavigationBar.
	UIBarButtonItem* cancelButton = [[UIBarButtonItem alloc]
	initWithBarButtonSystemItem:UIBarButtonSystemItemCancel
	target:self
	action:@selector(dismissInfobarModal)];
	cancelButton.accessibilityIdentifier = kInfobarModalCancelButton;

	UIImage* gearImage = DefaultSymbolWithPointSize(kSettingsFilledSymbol,
	kInfobarSymbolPointSize);
	UIBarButtonItem* settingsButton = [[UIBarButtonItem alloc]
	initWithImage:gearImage
	style:UIBarButtonItemStylePlain
	target:self
	action:@selector(presentPasswordSettings)];
	settingsButton.accessibilityLabel =
	l10n_util::GetNSString(IDS_IOS_INFOBAR_MODAL_PASSWORD_SETTINGS_HINT);
	self.navigationItem.leftBarButtonItem = cancelButton;
	self.navigationItem.rightBarButtonItem = settingsButton;
	self.navigationController.navigationBar.prefersLargeTitles = NO;

	[self loadModel];
	}

	- (void)viewDidAppear:(BOOL)animated {
	[super viewDidAppear:animated];
	[self.metricsRecorder recordModalEvent:MobileMessagesModalEvent::Presented];
	}

	- (void)viewDidDisappear:(BOOL)animated {
	[self.infobarModalDelegate modalInfobarWasDismissed:self];
	[self.metricsRecorder recordModalEvent:MobileMessagesModalEvent::Dismissed];
	[super viewDidDisappear:animated];
	}

	- (void)viewDidLayoutSubviews {
	[super viewDidLayoutSubviews];
	self.tableView.scrollEnabled =
	self.tableView.contentSize.height > self.view.frame.size.height;
	}

	#pragma mark - TableViewModel

	- (void)loadModel {
	[super loadModel];

	TableViewModel* model = self.tableViewModel;
	[model addSectionWithIdentifier:SectionIdentifierContent];

	TableViewTextEditItem* URLItem =
	[[TableViewTextEditItem alloc] initWithType:ItemTypeURL];
	URLItem.fieldNameLabelText =
	l10n_util::GetNSString(IDS_IOS_SHOW_PASSWORD_VIEW_SITE);
	URLItem.textFieldValue = self.URL;
	URLItem.hideIcon = YES;
	[model addItem:URLItem toSectionWithIdentifier:SectionIdentifierContent];

	self.originalUsername = self.username;
	self.usernameItem =
	[[TableViewTextEditItem alloc] initWithType:ItemTypeUsername];
	self.usernameItem.fieldNameLabelText =
	l10n_util::GetNSString(IDS_IOS_SHOW_PASSWORD_VIEW_USERNAME);
	self.usernameItem.textFieldValue = self.username;
	self.usernameItem.returnKeyType = UIReturnKeyDone;
	self.usernameItem.textFieldEnabled = !self.currentCredentialsSaved;
	self.usernameItem.autoCapitalizationType = UITextAutocapitalizationTypeNone;
	[model addItem:self.usernameItem
	toSectionWithIdentifier:SectionIdentifierContent];

	self.passwordItem =
	[[TableViewTextEditItem alloc] initWithType:ItemTypePassword];
	self.passwordItem.fieldNameLabelText =
	l10n_util::GetNSString(IDS_IOS_SHOW_PASSWORD_VIEW_PASSWORD);
	self.passwordItem.textFieldValue = self.maskedPassword;
	self.passwordItem.identifyingIcon =
	DefaultSymbolWithPointSize(kShowActionSymbol, kSymbolSize);
	self.passwordItem.identifyingIconEnabled = YES;
	self.passwordItem.hideIcon = YES;
	self.passwordItem.identifyingIconAccessibilityLabel = l10n_util::GetNSString(
	IDS_IOS_INFOBAR_MODAL_PASSWORD_REVEAL_PASSWORD_HINT);
	[model addItem:self.passwordItem
	toSectionWithIdentifier:SectionIdentifierContent];

	self.passwordMasked = YES;

	self.saveCredentialsItem =
	[[TableViewTextButtonItem alloc] initWithType:ItemTypeSaveCredentials];
	self.saveCredentialsItem.textAlignment = NSTextAlignmentNatural;
	self.saveCredentialsItem.text = self.detailsTextMessage;
	self.saveCredentialsItem.buttonText = self.saveButtonText;
	self.saveCredentialsItem.enabled = !self.currentCredentialsSaved;
	self.saveCredentialsItem.disableButtonIntrinsicWidth = YES;
	[model addItem:self.saveCredentialsItem
	toSectionWithIdentifier:SectionIdentifierContent];

	if ([self.cancelButtonText length]) {
	self.cancelInfobarItem =
	[[TableViewTextButtonItem alloc] initWithType:ItemTypeCancel];
	self.cancelInfobarItem.buttonText = self.cancelButtonText;
	self.cancelInfobarItem.buttonTextColor = [UIColor colorNamed:kBlueColor];
	self.cancelInfobarItem.buttonBackgroundColor = [UIColor clearColor];
	self.cancelInfobarItem.boldButtonText = NO;
	[model addItem:self.cancelInfobarItem
	toSectionWithIdentifier:SectionIdentifierContent];
	}
	}

	#pragma mark - UITableViewDataSource

	- (UITableViewCell)tableView:(UITableView)tableView
	cellForRowAtIndexPath:(NSIndexPath*)indexPath {
	UITableViewCell* cell = [super tableView:tableView
	cellForRowAtIndexPath:indexPath];
	ItemType itemType = static_cast<ItemType>(
	[self.tableViewModel itemTypeForIndexPath:indexPath]);

	switch (itemType) {
	case ItemTypeSaveCredentials: {
	TableViewTextButtonCell* tableViewTextButtonCell =
	base::apple::ObjCCastStrict<TableViewTextButtonCell>(cell);
	[tableViewTextButtonCell.button
	addTarget:self
	action:@selector(saveCredentialsButtonWasPressed:)
	forControlEvents:UIControlEventTouchUpInside];
	tableViewTextButtonCell.separatorInset =
	UIEdgeInsetsMake(0, 0, 0, self.tableView.bounds.size.width);
	break;
	}
	case ItemTypeCancel: {
	TableViewTextButtonCell* tableViewTextButtonCell =
	base::apple::ObjCCastStrict<TableViewTextButtonCell>(cell);
	[tableViewTextButtonCell.button
	addTarget:self
	action:@selector(neverSaveCredentialsForCurrentSite)
	forControlEvents:UIControlEventTouchUpInside];
	break;
	}
	case ItemTypeUsername: {
	TableViewTextEditCell* editCell =
	base::apple::ObjCCast<TableViewTextEditCell>(cell);
	[editCell.textField addTarget:self
	action:@selector(usernameEditDidBegin)
	forControlEvents:UIControlEventEditingDidBegin];
	[editCell.textField addTarget:self
	action:@selector(updateSaveCredentialsButtonState)
	forControlEvents:UIControlEventEditingChanged];
	editCell.selectionStyle = UITableViewCellSelectionStyleNone;
	editCell.textField.delegate = self;
	break;
	}
	case ItemTypePassword: {
	TableViewTextEditCell* editCell =
	base::apple::ObjCCast<TableViewTextEditCell>(cell);
	[editCell.textField addTarget:self
	action:@selector(updateSaveCredentialsButtonState)
	forControlEvents:UIControlEventEditingChanged];
	[editCell.identifyingIconButton addTarget:self
	action:@selector(togglePasswordMasking)
	forControlEvents:UIControlEventTouchUpInside];
	editCell.selectionStyle = UITableViewCellSelectionStyleNone;
	break;
	}
	case ItemTypeURL:
	cell.selectionStyle = UITableViewCellSelectionStyleNone;
	break;
	}

	return cell;
	}

	#pragma mark - UITableViewDelegate

	- (CGFloat)tableView:(UITableView*)tableView
	heightForFooterInSection:(NSInteger)section {
	return 0;
	}

	#pragma mark - UITextFieldDelegate

	- (BOOL)textFieldShouldReturn:(UITextField*)textField {
	[textField resignFirstResponder];
	return YES;
	}

	#pragma mark - Private Methods

	- (void)updateSaveCredentialsButtonState {
	BOOL currentButtonState = [self.saveCredentialsItem isEnabled];
	BOOL newButtonState = [self.passwordItem.textFieldValue length] ? YES : NO;
	if (currentButtonState != newButtonState) {
	self.saveCredentialsItem.enabled = newButtonState;
	[self reconfigureCellsForItems:@[ self.saveCredentialsItem ]];
	}

	// TODO(crbug.com/945478):Ideally the InfobarDelegate should update the button
	// text. Once we have a consumer protocol we should be able to create a
	// delegate that asks the InfobarDelegate for the correct text.
	NSString* buttonText =
	[self.usernameItem.textFieldValue isEqualToString:self.originalUsername]
	? self.saveButtonText
	: l10n_util::GetNSString(IDS_IOS_PASSWORD_MANAGER_SAVE_BUTTON);
	if (![self.saveCredentialsItem.buttonText isEqualToString:buttonText]) {
	self.saveCredentialsItem.buttonText = buttonText;
	[self reconfigureCellsForItems:@[ self.saveCredentialsItem ]];
	}
	}

	- (void)dismissInfobarModal {
	base::RecordAction(
	base::UserMetricsAction("MobileMessagesModalCancelledTapped"));
	[self.metricsRecorder recordModalEvent:MobileMessagesModalEvent::Canceled];
	[self.infobarModalDelegate dismissInfobarModal:self];
	}

	- (void)saveCredentialsButtonWasPressed:(UIButton*)sender {
	base::RecordAction(
	base::UserMetricsAction("MobileMessagesModalAcceptedTapped"));
	[self.metricsRecorder recordModalEvent:MobileMessagesModalEvent::Accepted];
	if ([self.saveCredentialsItem.buttonText
	isEqualToString:l10n_util::GetNSString(
	IDS_IOS_PASSWORD_MANAGER_SAVE_BUTTON)]) {
	[self.passwordMetricsRecorder
	recordModalDismiss:MobileMessagesPasswordsModalDismiss::
	SavedCredentials];
	} else {
	[self.passwordMetricsRecorder
	recordModalDismiss:MobileMessagesPasswordsModalDismiss::
	UpdatedCredentials];
	}
	[self.infobarModalDelegate
	updateCredentialsWithUsername:self.usernameItem.textFieldValue
	password:self.unmaskedPassword];
	}

	- (void)presentPasswordSettings {
	base::RecordAction(base::UserMetricsAction("MobileMessagesModalSettings"));
	[self.metricsRecorder
	recordModalEvent:MobileMessagesModalEvent::SettingsOpened];
	[self.infobarModalDelegate presentPasswordSettings];
	}

	- (void)neverSaveCredentialsForCurrentSite {
	base::RecordAction(base::UserMetricsAction("MobileMessagesModalNever"));
	[self.passwordMetricsRecorder
	recordModalDismiss:MobileMessagesPasswordsModalDismiss::
	TappedNeverForThisSite];
	[self.infobarModalDelegate neverSaveCredentialsForCurrentSite];
	}

	- (void)usernameEditDidBegin {
	[self.passwordMetricsRecorder
	recordModalEvent:MobileMessagesPasswordsModalEvent::EditedUserName];
	}

	- (void)togglePasswordMasking {
	self.passwordMasked = !self.passwordMasked;
	if (self.passwordMasked) {
	self.passwordItem.identifyingIcon =
	DefaultSymbolWithPointSize(kShowActionSymbol, kSymbolSize);
	self.passwordItem.textFieldValue = self.maskedPassword;
	self.passwordItem.identifyingIconAccessibilityLabel =
	l10n_util::GetNSString(
	IDS_IOS_INFOBAR_MODAL_PASSWORD_REVEAL_PASSWORD_HINT);
	[self.passwordMetricsRecorder
	recordModalEvent:MobileMessagesPasswordsModalEvent::MaskedPassword];
	} else {
	self.passwordItem.identifyingIcon =
	DefaultSymbolWithPointSize(kHideActionSymbol, kSymbolSize);
	self.passwordItem.textFieldValue = self.unmaskedPassword;
	self.passwordItem.identifyingIconAccessibilityLabel =
	l10n_util::GetNSString(
	IDS_IOS_INFOBAR_MODAL_PASSWORD_HIDE_PASSWORD_HINT);
	[self.passwordMetricsRecorder
	recordModalEvent:MobileMessagesPasswordsModalEvent::UnmaskedPassword];
	}
	[self reconfigureCellsForItems:@[ self.passwordItem ]];
	}

	@end