// Copyright 2026 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_TOOLBAR_UI_BUTTONS_TOOLBAR_BUTTON_H_
#define IOS_CHROME_BROWSER_TOOLBAR_UI_BUTTONS_TOOLBAR_BUTTON_H_

#import <UIKit/UIKit.h>

#import "ios/chrome/browser/toolbar/ui/buttons/toolbar_button_visibility.h"
#import "ios/chrome/browser/toolbar/ui/buttons/toolbar_element_with_background.h"
#import "ios/chrome/common/ui/elements/highlight_button.h"

@protocol GeminiCommands;

using ToolbarButtonImageLoader = UIImage* (^)(void);

// Button displayed in the toolbar.
@interface ToolbarButton : HighlightButton <ToolbarElementWithBackground>

// Handler for Gemini commands.
@property(nonatomic, weak) id<GeminiCommands> geminiHandler;

// The visibility mask for this button.
@property(nonatomic, assign) ToolbarButtonVisibility visibilityMask;

// When true the button is hidden, no matter the visibility mask. Default NO.
@property(nonatomic, assign) BOOL forceHidden;

// When true, the button has a blue gradient background.
@property(nonatomic, assign) BOOL iphHighlighted;

// When true, the button has a blue dot in the top right corner.
@property(nonatomic, assign) BOOL hasBlueDot;

// When true, shadow and background are removed from this button. Default NO.
@property(nonatomic, assign) BOOL shadowAndBackgroundRemoved;

// The string to be used for the accessibility label when the blue dot is
// visible.
@property(nonatomic, copy) NSString* blueDotAccessibilityLabel;

// Initializer for this button in `incognito` with an `imageLoader`.
- (instancetype)initWithImageLoader:(ToolbarButtonImageLoader)imageLoader
                          incognito:(BOOL)incognito;

@end

#endif  // IOS_CHROME_BROWSER_TOOLBAR_UI_BUTTONS_TOOLBAR_BUTTON_H_