// 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_SCENE_UI_SCENE_VIEW_CONTROLLER_H_
#define IOS_CHROME_BROWSER_SCENE_UI_SCENE_VIEW_CONTROLLER_H_

#import <UIKit/UIKit.h>

#import "ios/chrome/browser/assistant/ui/assistant_container_presenter.h"
#import "ios/chrome/browser/fullscreen/ui_bundled/fullscreen_ui_element.h"
#import "ios/chrome/browser/scene/ui/scene_consumer.h"
#import "ios/chrome/browser/shared/ui/util/ui_view_controller_with_display_tracing.h"

@protocol AppBarCommands;
@class AssistantContainerViewController;
@protocol GeminiCommands;
@class LayoutGuideCenter;
@class SceneLayoutState;
@protocol SceneMutator;
@protocol SceneViewControllerDelegate;

// A view controller that can act as the `rootViewController` for a scene's
// window.
@interface SceneViewController
    : UIViewControllerWithDisplayTracing <AssistantContainerPresenter,
                                          FullscreenUIElement,
                                          SceneConsumer>

// The layout state to observe.
@property(nonatomic, weak) SceneLayoutState* layoutState;

// This view controller's LayoutGuideCenter.
@property(nonatomic, strong) LayoutGuideCenter* layoutGuideCenter;
// Delegate for this view controller.
@property(nonatomic, weak) id<SceneViewControllerDelegate> delegate;
// Mutator for this view controller.
@property(nonatomic, weak) id<SceneMutator> mutator;

// Handler for App Bar commands.
@property(nonatomic, weak) id<AppBarCommands> appBarHandler;

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

// Sets the app bar.
- (void)setAppBar:(UIViewController*)appBar;

// Sets the TabGrid view controller.
- (void)setTabGrid:(UIViewController*)tabGridViewController;

@end

#endif  // IOS_CHROME_BROWSER_SCENE_UI_SCENE_VIEW_CONTROLLER_H_