Move FaviconAttributes to UI

ios/chrome/browser/ui/favicon_view.mm

-// Copyright 2016 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/favicon_view.h"
-
-#import "ios/chrome/browser/ui/uikit_ui_util.h"
-
-#if !defined(__has_feature) || !__has_feature(objc_arc)
-#error "This file requires ARC support."
-#endif
-
-namespace {
-// Default corner radius for the favicon image view.
-const CGFloat kDefaultCornerRadius = 3;
-}
-
-@interface FaviconViewNew () {
-  // Property releaser for FaviconViewNew.
-}
-
-// Image view for the favicon.
-@property(nonatomic, strong) UIImageView* faviconImageView;
-// Label for fallback favicon placeholder.
-@property(nonatomic, strong) UILabel* faviconFallbackLabel;
-
-@end
-
-@implementation FaviconViewNew
-@synthesize faviconImageView = _faviconImageView;
-@synthesize faviconFallbackLabel = _faviconFallbackLabel;
-
-- (instancetype)initWithFrame:(CGRect)frame {
-  self = [super initWithFrame:frame];
-  if (self) {
-    _faviconImageView = [[UIImageView alloc] initWithFrame:self.bounds];
-    _faviconImageView.clipsToBounds = YES;
-    _faviconImageView.layer.cornerRadius = kDefaultCornerRadius;
-    _faviconImageView.image = nil;
-
-    _faviconFallbackLabel = [[UILabel alloc] initWithFrame:self.bounds];
-    _faviconFallbackLabel.backgroundColor = [UIColor clearColor];
-    _faviconFallbackLabel.textAlignment = NSTextAlignmentCenter;
-    _faviconFallbackLabel.isAccessibilityElement = NO;
-    _faviconFallbackLabel.clipsToBounds = YES;
-    _faviconFallbackLabel.layer.cornerRadius = kDefaultCornerRadius;
-    _faviconFallbackLabel.text = nil;
-
-    [self addSubview:_faviconFallbackLabel];
-    [self addSubview:_faviconImageView];
-
-    [_faviconImageView setTranslatesAutoresizingMaskIntoConstraints:NO];
-    [_faviconFallbackLabel setTranslatesAutoresizingMaskIntoConstraints:NO];
-
-    // Both image and fallback label are centered and match the size of favicon.
-    AddSameCenterConstraints(_faviconImageView, self);
-    AddSameCenterConstraints(_faviconFallbackLabel, self);
-    AddSameSizeConstraint(_faviconFallbackLabel, self);
-    AddSameSizeConstraint(_faviconImageView, self);
-  }
-  return self;
-}
-
-- (void)configureWithAttributes:(FaviconAttributes*)attributes {
-  if (attributes.faviconImage) {
-    self.faviconImageView.image = attributes.faviconImage;
-    self.faviconImageView.hidden = NO;
-    self.faviconFallbackLabel.hidden = YES;
-  } else {
-    self.faviconFallbackLabel.backgroundColor = attributes.backgroundColor;
-    self.faviconFallbackLabel.textColor = attributes.textColor;
-    self.faviconFallbackLabel.text = attributes.monogramString;
-    self.faviconFallbackLabel.hidden = NO;
-    self.faviconImageView.hidden = YES;
-  }
-}
-
-- (void)setFont:(UIFont*)font {
-  self.faviconFallbackLabel.font = font;
-}
-
-#pragma mark - UIView
-
-- (CGSize)intrinsicContentSize {
-  return CGSizeMake(kFaviconPreferredSize, kFaviconPreferredSize);
-}
-
-@end