// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CHROME_BROWSER_UI_VIEWS_FRAME_MULTI_CONTENTS_VIEW_MINI_TOOLBAR_H_
#define CHROME_BROWSER_UI_VIEWS_FRAME_MULTI_CONTENTS_VIEW_MINI_TOOLBAR_H_

#include <optional>

#include "base/memory/raw_ptr.h"
#include "chrome/browser/ui/color/chrome_color_id.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/views/view.h"

class BrowserView;
class ContentsWebView;
class TabUIHelper;

namespace content {
class WebContents;
}

namespace tabs {
enum class TabAlert;
}

namespace views {
class ImageButton;
class ImageView;
class Label;
class WebView;
}  // namespace views

// MultiContentsViewMiniToolbar is shown for the inactive side of a split and
// displays the favicon, domain, tab alert state, and a close button.
class MultiContentsViewMiniToolbar : public views::View {
  METADATA_HEADER(MultiContentsViewMiniToolbar, views::View)

 public:
  MultiContentsViewMiniToolbar(BrowserView* browser_view,
                               ContentsWebView* web_view);
  ~MultiContentsViewMiniToolbar() override;

  void UpdateState(bool is_active, bool is_highlighted);

  // Trigger an update of the tab data used to populate the mini toolbar.
  void UpdateContents();

  views::Label* domain_label_for_testing() { return domain_label_; }
  views::ImageButton* close_button_for_testing() { return close_button_; }

 private:
  // View:
  void OnPaint(gfx::Canvas* canvas) override;
  void OnThemeChanged() override;

  void UpdateWebContents(views::WebView* web_view);
  void ClearWebContents(views::WebView*);

  void RegisterTabSubscriptions();
  void OnAlertStatusIndicatorChanged(std::optional<tabs::TabAlert> new_alert);

  void UpdateFavicon(TabUIHelper* tab_ui_helper);

  void CloseCurrentView();

  raw_ptr<views::ImageView> favicon_;
  raw_ptr<views::Label> domain_label_;
  raw_ptr<views::ImageView> alert_state_indicator_;
  raw_ptr<views::ImageButton> close_button_;

  raw_ptr<BrowserView> browser_view_;
  raw_ptr<content::WebContents> web_contents_;
  base::CallbackListSubscription web_contents_attached_subscription_;
  base::CallbackListSubscription web_contents_detached_subscription_;
  std::optional<base::CallbackListSubscription> tab_alert_status_subscription_;
  std::optional<base::CallbackListSubscription> tab_ui_updated_subscription_;
};

#endif  // CHROME_BROWSER_UI_VIEWS_FRAME_MULTI_CONTENTS_VIEW_MINI_TOOLBAR_H_