folder_header_view.h 3.2 KB

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  1. // Copyright (c) 2013 The Chromium Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style license that can be
  3. // found in the LICENSE file.
  4. #ifndef ASH_APP_LIST_VIEWS_FOLDER_HEADER_VIEW_H_
  5. #define ASH_APP_LIST_VIEWS_FOLDER_HEADER_VIEW_H_
  6. #include <string>
  7. #include "ash/app_list/model/app_list_item_observer.h"
  8. #include "ash/ash_export.h"
  9. #include "ui/views/controls/button/button.h"
  10. #include "ui/views/controls/textfield/textfield_controller.h"
  11. #include "ui/views/view.h"
  12. namespace ash {
  13. class AppListFolderItem;
  14. class FolderHeaderViewDelegate;
  15. // FolderHeaderView contains an editable folder name field.
  16. class ASH_EXPORT FolderHeaderView : public views::View,
  17. public views::TextfieldController,
  18. public AppListItemObserver {
  19. public:
  20. explicit FolderHeaderView(FolderHeaderViewDelegate* delegate);
  21. FolderHeaderView(const FolderHeaderView&) = delete;
  22. FolderHeaderView& operator=(const FolderHeaderView&) = delete;
  23. ~FolderHeaderView() override;
  24. void SetFolderItem(AppListFolderItem* folder_item);
  25. void UpdateFolderNameVisibility(bool visible);
  26. bool HasTextFocus() const;
  27. void SetTextFocus();
  28. bool is_tablet_mode() const { return is_tablet_mode_; }
  29. void set_tablet_mode(bool started) { is_tablet_mode_ = started; }
  30. // views::View:
  31. gfx::Size CalculatePreferredSize() const override;
  32. const char* GetClassName() const override;
  33. void OnBoundsChanged(const gfx::Rect& previous_bounds) override;
  34. views::Textfield* GetFolderNameViewForTest() const;
  35. int GetMaxFolderNameCharLengthForTest() const;
  36. private:
  37. class FolderNameView;
  38. friend class FolderHeaderViewTest;
  39. friend class PopulatedAppListTestBase;
  40. // Updates UI.
  41. void Update();
  42. // Updates the accessible name of the folder name control.
  43. void UpdateFolderNameAccessibleName();
  44. // Gets and sets the folder name for test.
  45. const std::u16string& GetFolderNameForTest();
  46. void SetFolderNameForTest(const std::u16string& name);
  47. // Returns true if folder name is enabled, only for testing use.
  48. bool IsFolderNameEnabledForTest() const;
  49. // Returns the folder name.
  50. std::u16string GetFolderName() const;
  51. // Returns elided folder name.
  52. std::u16string GetElidedFolderName() const;
  53. // Returns whether |folder_name_view_| should clear focus based on
  54. // |key_event_|.
  55. bool ShouldNameViewClearFocus(const ui::KeyEvent& key_event);
  56. // views::View:
  57. void Layout() override;
  58. // views::TextfieldController overrides:
  59. void ContentsChanged(views::Textfield* sender,
  60. const std::u16string& new_contents) override;
  61. bool HandleKeyEvent(views::Textfield* sender,
  62. const ui::KeyEvent& key_event) override;
  63. // AppListItemObserver overrides:
  64. void ItemNameChanged() override;
  65. AppListFolderItem* folder_item_; // Not owned.
  66. FolderNameView* folder_name_view_; // Owned by views hierarchy.
  67. const std::u16string folder_name_placeholder_text_;
  68. FolderHeaderViewDelegate* delegate_;
  69. bool folder_name_visible_;
  70. bool is_tablet_mode_;
  71. // Used to restore the folder name when the user presses the escape key.
  72. std::u16string previous_folder_name_;
  73. };
  74. } // namespace ash
  75. #endif // ASH_APP_LIST_VIEWS_FOLDER_HEADER_VIEW_H_