|  | // Copyright 2017 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_BUNDLED_TOOLBAR_CONSUMER_H_ | 
|  | #define IOS_CHROME_BROWSER_TOOLBAR_UI_BUNDLED_TOOLBAR_CONSUMER_H_ | 
|  |  | 
|  | #import <UIKit/UIKit.h> | 
|  |  | 
|  | enum class ToolbarTabGroupState; | 
|  |  | 
|  | // ToolbarConsumer sets the current appearance of the Toolbar. | 
|  | @protocol ToolbarConsumer | 
|  | // Updates the toolbar with the current forward navigation state. | 
|  | - (void)setCanGoForward:(BOOL)canGoForward; | 
|  | // Updates the toolbar with the current back navigation state. | 
|  | - (void)setCanGoBack:(BOOL)canGoBack; | 
|  | // Updates the toolbar with the current loading state. | 
|  | - (void)setLoadingState:(BOOL)loading; | 
|  | // Updates the toolbar with the current progress of the loading WebState. | 
|  | - (void)setLoadingProgressFraction:(double)progress; | 
|  | // Updates the toolbar with the current number of total tabs. If the tab is | 
|  | // added, `addedInBackground` is set to YES if the tab is added in background. | 
|  | // NO otherwise. | 
|  | - (void)setTabCount:(int)tabCount addedInBackground:(BOOL)addedInBackground; | 
|  | // Sets whether the voice search is enabled or not. | 
|  | - (void)setVoiceSearchEnabled:(BOOL)enabled; | 
|  | // Sets whether the share menu is enabled. | 
|  | - (void)setShareMenuEnabled:(BOOL)enabled; | 
|  | // Sets whether the toolbar is displaying for an NTP. | 
|  | - (void)setIsNTP:(BOOL)isNTP; | 
|  | // Sets the page theme color. | 
|  | - (void)setPageThemeColor:(UIColor*)themeColor; | 
|  | // Sets the under page background color. | 
|  | - (void)setUnderPageBackgroundColor:(UIColor*)underPageBackgroundColor; | 
|  | // Updates the toolbar for the given TabGroup state. | 
|  | - (void)updateTabGroupState:(ToolbarTabGroupState)tabGroupState; | 
|  | // Adds or removes a blue dot in the ToolbarTabGridButton. | 
|  | - (void)setTabGridButtonBlueDot:(BOOL)hasBlueDot; | 
|  | @end | 
|  |  | 
|  | #endif  // IOS_CHROME_BROWSER_TOOLBAR_UI_BUNDLED_TOOLBAR_CONSUMER_H_ |