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| 1 // Copyright (c) 2011 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 | |
| 5 #ifndef UI_VIEWS_CONTROLS_MENU_MENU_SCROLL_VIEW_CONTAINER_H_ | |
| 6 #define UI_VIEWS_CONTROLS_MENU_MENU_SCROLL_VIEW_CONTAINER_H_ | |
| 7 | |
| 8 #include "ui/views/view.h" | |
| 9 #include "ui/views/bubble/bubble_border.h" | |
| 10 #include "ui/views/controls/menu/menu_types.h" | |
| 11 | |
| 12 namespace views { | |
| 13 | |
| 14 class SubmenuView; | |
| 15 | |
| 16 // MenuScrollViewContainer contains the SubmenuView (through a MenuScrollView) | |
| 17 // and two scroll buttons. The scroll buttons are only visible and enabled if | |
| 18 // the preferred height of the SubmenuView is bigger than our bounds. | |
| 19 class MenuScrollViewContainer : public View { | |
| 20 public: | |
| 21 explicit MenuScrollViewContainer(SubmenuView* content_view); | |
| 22 | |
| 23 // Returns the buttons for scrolling up/down. | |
| 24 View* scroll_down_button() const { return scroll_down_button_; } | |
| 25 View* scroll_up_button() const { return scroll_up_button_; } | |
| 26 | |
| 27 // External function to check if the bubble border is usd. | |
| 28 bool HasBubbleBorder(); | |
| 29 | |
| 30 // Offsets the Arrow from the default location. | |
| 31 void SetBubbleArrowOffset(int offset); | |
| 32 | |
| 33 // View overrides. | |
| 34 virtual void OnPaintBackground(gfx::Canvas* canvas) override; | |
| 35 virtual void Layout() override; | |
| 36 virtual gfx::Size GetPreferredSize() const override; | |
| 37 virtual void GetAccessibleState(ui::AXViewState* state) override; | |
| 38 | |
| 39 protected: | |
| 40 // View override. | |
| 41 virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) override; | |
| 42 | |
| 43 private: | |
| 44 // Create the default border. | |
| 45 void CreateDefaultBorder(); | |
| 46 | |
| 47 // Create the bubble border. | |
| 48 void CreateBubbleBorder(); | |
| 49 | |
| 50 BubbleBorder::Arrow BubbleBorderTypeFromAnchor(MenuAnchorPosition anchor); | |
| 51 | |
| 52 class MenuScrollView; | |
| 53 | |
| 54 // The scroll buttons. | |
| 55 View* scroll_up_button_; | |
| 56 View* scroll_down_button_; | |
| 57 | |
| 58 // The scroll view. | |
| 59 MenuScrollView* scroll_view_; | |
| 60 | |
| 61 // The content view. | |
| 62 SubmenuView* content_view_; | |
| 63 | |
| 64 // If set the currently set border is a bubble border. | |
| 65 BubbleBorder::Arrow arrow_; | |
| 66 | |
| 67 // Weak reference to the currently set border. | |
| 68 BubbleBorder* bubble_border_; | |
| 69 | |
| 70 DISALLOW_COPY_AND_ASSIGN(MenuScrollViewContainer); | |
| 71 }; | |
| 72 | |
| 73 } // namespace views | |
| 74 | |
| 75 #endif // UI_VIEWS_CONTROLS_MENU_MENU_SCROLL_VIEW_CONTAINER_H_ | |
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