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// 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_TABS_SPLIT_TAB_SCRIM_CONTROLLER_H_
#define CHROME_BROWSER_UI_TABS_SPLIT_TAB_SCRIM_CONTROLLER_H_
#include "base/callback_list.h"
#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "chrome/browser/ui/omnibox/omnibox_tab_helper.h"
#include "chrome/browser/ui/views/permissions/chip/chip_controller.h"
#include "components/tabs/public/tab_interface.h"
#include "ui/views/widget/widget_observer.h"
class BrowserWindowInterface;
class BrowserView;
namespace split_tabs {
class SplitTabScrimDelegate;
// Coordinates the split tab scrim to show and hide.
class SplitTabScrimController : public OmniboxTabHelper::Observer,
public ChipController::Observer,
public views::WidgetObserver {
public:
explicit SplitTabScrimController(BrowserView* browser_view);
~SplitTabScrimController() override;
bool ShouldShowScrim();
// OmniboxTabHelper::Observer:
void OnOmniboxFocusChanged(OmniboxFocusState state,
OmniboxFocusChangeReason reason) override;
void OnOmniboxInputStateChanged() override {}
void OnOmniboxInputInProgress(bool in_progress) override {}
void OnOmniboxPopupVisibilityChanged(bool popup_is_open) override {}
// ChipController::Observer:
void OnPermissionPromptShown() override;
void OnPermissionPromptHidden() override;
// views::WidgetObserver:
void OnWidgetVisibilityChanged(views::Widget* widget, bool visible) override;
void OnWidgetDestroyed(views::Widget* widget) override;
private:
void OnActiveTabChange(BrowserWindowInterface* browser_window_interface);
void OnTabWillDetach(tabs::TabInterface* tab_interface,
tabs::TabInterface::DetachReason reason);
void OnPageInfoBubbleCreated(content::WebContents* web_contents,
views::Widget* bubble_widget);
void UpdateScrimVisibility();
bool is_permission_prompt_showing_ = false;
bool is_page_info_bubble_showing_ = false;
base::CallbackListSubscription active_tab_change_subscription_;
base::CallbackListSubscription tab_will_detach_subscription_;
base::CallbackListSubscription page_info_bubble_created_subscription_;
base::ScopedObservation<OmniboxTabHelper, OmniboxTabHelper::Observer>
omnibox_tab_helper_observation_{this};
base::ScopedObservation<ChipController, ChipController::Observer>
chip_controller_observation_{this};
base::ScopedObservation<views::Widget, views::WidgetObserver>
page_info_bubble_observation_{this};
std::unique_ptr<SplitTabScrimDelegate> split_tab_scrim_delegate_;
raw_ptr<BrowserWindowInterface> browser_window_interface_;
};
} // namespace split_tabs
#endif // CHROME_BROWSER_UI_TABS_SPLIT_TAB_SCRIM_CONTROLLER_H_
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