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ash / system / accessibility / switch_access / switch_access_back_button_bubble_controller.h [blame]

// Copyright 2020 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_SYSTEM_ACCESSIBILITY_SWITCH_ACCESS_SWITCH_ACCESS_BACK_BUTTON_BUBBLE_CONTROLLER_H_
#define ASH_SYSTEM_ACCESSIBILITY_SWITCH_ACCESS_SWITCH_ACCESS_BACK_BUTTON_BUBBLE_CONTROLLER_H_

#include "ash/system/tray/tray_bubble_view.h"
#include "base/memory/raw_ptr.h"

namespace ash {

class SwitchAccessBackButtonView;

// Manages the Switch Access back button bubble.
class ASH_EXPORT SwitchAccessBackButtonBubbleController
    : public TrayBubbleView::Delegate {
 public:
  // The additional amount of space taken up by the focus rings around the
  // specified rect.
  static constexpr int kFocusRingPaddingDp = 10;

  SwitchAccessBackButtonBubbleController();
  ~SwitchAccessBackButtonBubbleController() override;

  SwitchAccessBackButtonBubbleController(
      const SwitchAccessBackButtonBubbleController&) = delete;
  SwitchAccessBackButtonBubbleController& operator=(
      const SwitchAccessBackButtonBubbleController&) = delete;

  // A different icon is used when showing for the menu.
  void ShowBackButton(const gfx::Rect& anchor,
                      bool show_focus_ring,
                      bool for_menu);
  void HideFocusRing();
  void Hide();

  // TrayBubbleView::Delegate:
  void BubbleViewDestroyed() override;
  void HideBubble(const TrayBubbleView* bubble_view) override;

 private:
  friend class SwitchAccessBackButtonBubbleControllerTest;
  friend class SwitchAccessMenuBubbleControllerTest;

  gfx::Rect AdjustAnchorRect(const gfx::Rect& anchor);

  bool for_menu_ = false;

  // Owned by views hierarchy.
  raw_ptr<SwitchAccessBackButtonView> back_button_view_ = nullptr;
  raw_ptr<TrayBubbleView> bubble_view_ = nullptr;

  raw_ptr<views::Widget> widget_ = nullptr;
};

}  // namespace ash

#endif  // ASH_SYSTEM_ACCESSIBILITY_SWITCH_ACCESS_SWITCH_ACCESS_BACK_BUTTON_BUBBLE_CONTROLLER_H_