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ash / wm / overview / overview_focus_cycler.h [blame]
// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_WM_OVERVIEW_OVERVIEW_FOCUS_CYCLER_H_
#define ASH_WM_OVERVIEW_OVERVIEW_FOCUS_CYCLER_H_
#include <vector>
#include "ash/ash_export.h"
#include "base/memory/raw_ptr.h"
namespace views {
class Widget;
class View;
} // namespace views
namespace ash {
class OverviewSession;
class ASH_EXPORT OverviewFocusCycler {
public:
explicit OverviewFocusCycler(OverviewSession* overview_session);
OverviewFocusCycler(const OverviewFocusCycler&) = delete;
OverviewFocusCycler& operator=(const OverviewFocusCycler&) = delete;
~OverviewFocusCycler();
// Moves the focus ring to the next traversable view. Rotates focus to the
// next traversable widget if necessary.
void MoveFocus(bool reverse);
bool AcceptSelection();
// Returns the current overview UI focused view if there is one.
views::View* GetOverviewFocusedView();
void UpdateAccessibilityFocus();
private:
// Gets the list of traversable widgets in overview.
std::vector<views::Widget*> GetTraversableWidgets(
bool for_accessibility) const;
// The overview session which owns this object. Guaranteed to be non-null for
// the lifetime of `this`.
const raw_ptr<OverviewSession> overview_session_;
};
} // namespace ash
#endif // ASH_WM_OVERVIEW_OVERVIEW_FOCUS_CYCLER_H_