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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_VERTICAL_TAB_STRIP_STATE_CONTROLLER_H_
#define CHROME_BROWSER_UI_TABS_VERTICAL_TAB_STRIP_STATE_CONTROLLER_H_
#include "base/callback_list.h"
#include "base/memory/raw_ptr.h"
#include "chrome/browser/ui/tabs/vertical_tab_strip_state.h"
class PrefService;
namespace tabs {
class VerticalTabStripStateController {
public:
explicit VerticalTabStripStateController(PrefService* pref_service);
VerticalTabStripStateController(const VerticalTabStripStateController&) =
delete;
VerticalTabStripStateController& operator=(
const VerticalTabStripStateController&) = delete;
~VerticalTabStripStateController();
bool IsVerticalTabsEnabled() const;
void SetVerticalTabsEnabled(bool enabled);
bool IsCollapsed() const;
void SetCollapsed(bool collapsed);
int GetUncollapsedWidth() const;
void SetUncollapsedWidth(int width);
const VerticalTabStripState& GetState() const { return state_; }
void SetState(const VerticalTabStripState& state);
using StateChangedCallback =
base::RepeatingCallback<void(VerticalTabStripStateController*)>;
base::CallbackListSubscription RegisterOnStateChanged(
StateChangedCallback callback);
private:
void NotifyStateChanged();
const raw_ptr<PrefService> pref_service_;
VerticalTabStripState state_;
base::RepeatingCallbackList<void(VerticalTabStripStateController*)>
on_state_changed_callback_list_;
};
} // namespace tabs
#endif // CHROME_BROWSER_UI_TABS_VERTICAL_TAB_STRIP_STATE_CONTROLLER_H_
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