// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef IOS_CHROME_BROWSER_SAVED_TAB_GROUPS_FAVICON_UI_TAB_GROUP_FAVICONS_GRID_H_
#define IOS_CHROME_BROWSER_SAVED_TAB_GROUPS_FAVICON_UI_TAB_GROUP_FAVICONS_GRID_H_

#import <UIKit/UIKit.h>

@class TabGroupFaviconsGridConfigurationToken;

// A 2×2 grid of favicons.
@interface TabGroupFaviconsGrid : UIView

// The total number of tabs in the represented group. If there are more than 4
// tabs, an overflow counter is displayed in the bottom-trailing position.
@property(nonatomic, assign) NSUInteger numberOfTabs;

// The 4 possible favicons. If `numberOfTabs` is more than 4, the 4th favicon is
// hidden and replaced with an overflow counter.
@property(nonatomic, strong) UIImage* favicon1;
@property(nonatomic, strong) UIImage* favicon2;
@property(nonatomic, strong) UIImage* favicon3;
@property(nonatomic, strong) UIImage* favicon4;

// An opaque pointer to track an in-progress configuration.
@property(nonatomic, strong, readonly)
    TabGroupFaviconsGridConfigurationToken* configurationToken;

- (instancetype)initWithCoder:(NSCoder*)coder NS_UNAVAILABLE;

// Reset all favicons and the `configurationToken`.
- (void)resetFavicons;

@end

#endif  // IOS_CHROME_BROWSER_SAVED_TAB_GROUPS_FAVICON_UI_TAB_GROUP_FAVICONS_GRID_H_