Upstream Chrome on iOS source code [4/11].

ios/chrome/browser/ui/collection_view/cells/collection_view_switch_item.h

+// 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.
+
+#ifndef IOS_CHROME_BROWSER_UI_COLLECTION_VIEW_CELLS_COLLECTION_VIEW_SWITCH_ITEM_H_
+#define IOS_CHROME_BROWSER_UI_COLLECTION_VIEW_CELLS_COLLECTION_VIEW_SWITCH_ITEM_H_
+
+#import <UIKit/UIKit.h>
+
+#import "ios/chrome/browser/ui/collection_view/cells/collection_view_item.h"
+#import "ios/third_party/material_components_ios/src/components/CollectionCells/src/MaterialCollectionCells.h"
+
+// CollectionViewSwitchItem is the model class corresponding to
+// CollectionViewSwitchCell.
+@interface CollectionViewSwitchItem : CollectionViewItem
+
+// The text to display.
+@property(nonatomic, copy) NSString* text;
+
+// The current state of the switch.
+@property(nonatomic, assign, getter=isOn) BOOL on;
+
+// Whether or not the switch is enabled.  Disabled switches are automatically
+// drawn as in the "off" state, with dimmed text.
+@property(nonatomic, assign, getter=isEnabled) BOOL enabled;
+
+@end
+
+// CollectionViewSwitchCell implements a UICollectionViewCell subclass
+// containing a text label and a switch.
+@interface CollectionViewSwitchCell : MDCCollectionViewCell
+
+// UILabel corresponding to |text| from the item.
+@property(nonatomic, readonly, strong) UILabel* textLabel;
+
+// The switch view.
+@property(nonatomic, readonly, strong) UISwitch* switchView;
+
+// Returns the default text color used for the given |state|.
++ (UIColor*)defaultTextColorForState:(UIControlState)state;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_UI_COLLECTION_VIEW_CELLS_COLLECTION_VIEW_SWITCH_ITEM_H_