Adding mediator for Sign-in promo

ios/chrome/browser/ui/settings/cells/signin_promo_item.mm

Index: ios/chrome/browser/ui/settings/cells/signin_promo_item.mm
diff --git a/ios/chrome/browser/ui/settings/cells/signin_promo_item.mm b/ios/chrome/browser/ui/settings/cells/signin_promo_item.mm
deleted file mode 100644
index e8f25ad71242c5f1ef2c19bad77b3cfbc162ef73..0000000000000000000000000000000000000000
--- a/ios/chrome/browser/ui/settings/cells/signin_promo_item.mm
+++ /dev/null
@@ -1,230 +0,0 @@
-// Copyright 2017 The Chromium Authors. All rights reserved.
-// 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/settings/cells/signin_promo_item.h"
-
-#include "base/strings/sys_string_conversions.h"
-#import "ios/chrome/browser/ui/colors/MDCPalette+CrAdditions.h"
-#include "ios/chrome/grit/ios_chromium_strings.h"
-#include "ios/chrome/grit/ios_strings.h"
-#import "ios/third_party/material_components_ios/src/components/Buttons/src/MaterialButtons.h"
-#import "ios/third_party/material_components_ios/src/components/Typography/src/MaterialTypography.h"
-#include "ui/base/l10n/l10n_util.h"
-
-#if !defined(__has_feature) || !__has_feature(objc_arc)
-#error "This file requires ARC support."
-#endif
-
-namespace {
-// Horizontal padding for label and buttons.
-const CGFloat kHorizontalPadding = 40;
-// Vertical padding for the image and the label.
-const CGFloat kVerticalPadding = 12;
-// Vertical padding for buttons.
-const CGFloat kButtonVerticalPadding = 6;
-// Image size.
-const CGFloat kImageFixedSize = 48;
-// Button height.
-const CGFloat kButtonHeight = 36;
-}
-
-@implementation SigninPromoItem
-
-@synthesize profileImage = _profileImage;
-@synthesize profileName = _profileName;
-@synthesize profileEmail = _profileEmail;
-
-- (instancetype)initWithType:(NSInteger)type {
-  self = [super initWithType:type];
-  if (self) {
-    self.cellClass = [SigninPromoCell class];
-  }
-  return self;
-}
-
-#pragma mark - CollectionViewItem
-
-- (void)configureCell:(SigninPromoCell*)cell {
-  [super configureCell:cell];
-  cell.imageView.image = _profileImage;
-  cell.textLabel.text = l10n_util::GetNSString(IDS_IOS_SIGNIN_PROMO_SETTINGS);
-  [cell.signinButton
-      setTitle:l10n_util::GetNSStringF(IDS_IOS_SIGNIN_PROMO_CONTINUE_AS,
-                                       base::SysNSStringToUTF16(_profileName))
-      forState:UIControlStateNormal];
-  [cell.notMeButton
-      setTitle:l10n_util::GetNSStringF(IDS_IOS_SIGNIN_PROMO_NOT,
-                                       base::SysNSStringToUTF16(_profileEmail))
-      forState:UIControlStateNormal];
-}
-
-@end
-
-@implementation SigninPromoCell
-
-@synthesize imageView = _imageView;
-@synthesize textLabel = _textLabel;
-@synthesize signinButton = _signinButton;
-@synthesize notMeButton = _notMeButton;
-
-- (instancetype)initWithFrame:(CGRect)frame {
-  self = [super initWithFrame:frame];
-  if (self) {
-    self.isAccessibilityElement = YES;
-    [self addSubviews];
-    [self setDefaultViewStyling];
-    [self setViewConstraints];
-  }
-  return self;
-}
-
-// Create and add subviews.
-- (void)addSubviews {
-  UIView* contentView = self.contentView;
-  contentView.clipsToBounds = YES;
-
-  _imageView = [[UIImageView alloc] init];
-  _imageView.translatesAutoresizingMaskIntoConstraints = NO;
-  [contentView addSubview:_imageView];
-
-  _textLabel = [[UILabel alloc] init];
-  _textLabel.translatesAutoresizingMaskIntoConstraints = NO;
-  [contentView addSubview:_textLabel];
-
-  _signinButton = [[MDCFlatButton alloc] init];
-  _signinButton.translatesAutoresizingMaskIntoConstraints = NO;
-  _signinButton.accessibilityIdentifier = @"signin_promo_button";
-  [contentView addSubview:_signinButton];
-
-  _notMeButton = [[MDCFlatButton alloc] init];
-  _notMeButton.translatesAutoresizingMaskIntoConstraints = NO;
-  _notMeButton.accessibilityIdentifier = @"signin_promo_no_button";
-  [contentView addSubview:_notMeButton];
-}
-
-- (void)setDefaultViewStyling {
-  _imageView.contentMode = UIViewContentModeCenter;
-  _imageView.layer.masksToBounds = YES;
-  _imageView.contentMode = UIViewContentModeScaleAspectFit;
-  _textLabel.font = [MDCTypography buttonFont];
-  _textLabel.textColor = [[MDCPalette greyPalette] tint900];
-  _textLabel.numberOfLines = 0;
-  _textLabel.textAlignment = NSTextAlignmentCenter;
-  [_signinButton setBackgroundColor:[[MDCPalette cr_bluePalette] tint500]
-                           forState:UIControlStateNormal];
-  _signinButton.customTitleColor = [UIColor whiteColor];
-  _signinButton.inkColor = [UIColor colorWithWhite:1 alpha:0.2];
-  _notMeButton.customTitleColor = [[MDCPalette cr_bluePalette] tint500];
-  _notMeButton.uppercaseTitle = NO;
-}
-
-- (void)setViewConstraints {
-  UIView* contentView = self.contentView;
-
-  [NSLayoutConstraint activateConstraints:@[
-    // Set vertical anchors.
-    [_imageView.topAnchor constraintEqualToAnchor:contentView.topAnchor
-                                         constant:kVerticalPadding * 2],
-    [_textLabel.topAnchor constraintEqualToAnchor:_imageView.bottomAnchor
-                                         constant:kVerticalPadding],
-    [_signinButton.topAnchor
-        constraintEqualToAnchor:_textLabel.bottomAnchor
-                       constant:kVerticalPadding + kButtonVerticalPadding],
-    [_notMeButton.topAnchor constraintEqualToAnchor:_signinButton.bottomAnchor
-                                           constant:kButtonVerticalPadding * 2],
-    [contentView.bottomAnchor
-        constraintEqualToAnchor:_notMeButton.bottomAnchor
-                       constant:kVerticalPadding + kButtonVerticalPadding],
-
-    // Set horizontal anchors.
-    [_imageView.centerXAnchor
-        constraintEqualToAnchor:contentView.centerXAnchor],
-    [_textLabel.centerXAnchor
-        constraintEqualToAnchor:contentView.centerXAnchor],
-    [_signinButton.centerXAnchor
-        constraintEqualToAnchor:contentView.centerXAnchor],
-    [_signinButton.leadingAnchor
-        constraintEqualToAnchor:contentView.leadingAnchor
-                       constant:kHorizontalPadding],
-    [contentView.trailingAnchor
-        constraintEqualToAnchor:_signinButton.trailingAnchor
-                       constant:kHorizontalPadding],
-    [_notMeButton.centerXAnchor
-        constraintEqualToAnchor:contentView.centerXAnchor],
-    [_notMeButton.leadingAnchor
-        constraintEqualToAnchor:contentView.leadingAnchor
-                       constant:kHorizontalPadding],
-    [contentView.trailingAnchor
-        constraintEqualToAnchor:_notMeButton.trailingAnchor
-                       constant:kHorizontalPadding],
-
-    // Fix width and height.
-    [_imageView.widthAnchor constraintEqualToConstant:kImageFixedSize],
-    [_imageView.heightAnchor constraintEqualToConstant:kImageFixedSize],
-    [_signinButton.heightAnchor constraintEqualToConstant:kButtonHeight],
-    [_notMeButton.heightAnchor constraintEqualToConstant:kButtonHeight],
-  ]];
-}
-
-// Implements -layoutSubviews as per instructions in documentation for
-// +[MDCCollectionViewCell cr_preferredHeightForWidth:forItem:].
-- (void)layoutSubviews {
-  [super layoutSubviews];
-
-  // Adjust the text label preferredMaxLayoutWidth when the parent's width
-  // changes, for instance on screen rotation.
-  CGFloat parentWidth = CGRectGetWidth(self.contentView.bounds);
-  _textLabel.preferredMaxLayoutWidth = parentWidth - 2 * kHorizontalPadding;
-
-  // Re-layout with the new preferred width to allow the label to adjust its
-  // height.
-  [super layoutSubviews];
-}
-
-#pragma mark - Action
-
-- (void)accessibilitySigninAction:(id)unused {
-  // TODO(jlebel): Need to implement
-  NSLog(@"Sign-in action");
-}
-
-- (void)accessibilityNotMeAction:(id)unused {
-  // TODO(jlebel): Need to implement
-  NSLog(@"Not me action");
-}
-
-#pragma mark - UICollectionReusableView
-
-- (void)prepareForReuse {
-  [super prepareForReuse];
-  _imageView.image = nil;
-  _textLabel.text = nil;
-  _signinButton = nil;
-  _notMeButton = nil;
-}
-
-#pragma mark - NSObject(Accessibility)
-
-- (NSArray<UIAccessibilityCustomAction*>*)accessibilityCustomActions {
-  NSString* signinActionName =
-      [_signinButton titleForState:UIControlStateNormal];
-  UIAccessibilityCustomAction* signinCustomAction =
-      [[UIAccessibilityCustomAction alloc]
-          initWithName:signinActionName
-                target:self
-              selector:@selector(accessibilitySigninAction:)];
-  NSString* notMeActionName = [_notMeButton titleForState:UIControlStateNormal];
-  UIAccessibilityCustomAction* notMeCustomAction =
-      [[UIAccessibilityCustomAction alloc]
-          initWithName:notMeActionName
-                target:self
-              selector:@selector(accessibilityNotMeAction:)];
-  return [NSArray arrayWithObjects:signinCustomAction, notMeCustomAction, nil];
-}
-
-- (NSString*)accessibilityLabel {
-  return l10n_util::GetNSString(IDS_IOS_SIGNIN_PROMO_SETTINGS);
-}
-
-@end