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| 1 // Copyright (c) 2012 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_SCROLLBAR_NATIVE_SCROLL_BAR_H_ | |
| 6 #define UI_VIEWS_CONTROLS_SCROLLBAR_NATIVE_SCROLL_BAR_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/compiler_specific.h" | |
| 11 #include "base/gtest_prod_util.h" | |
| 12 #include "base/macros.h" | |
| 13 #include "ui/views/controls/scrollbar/scroll_bar.h" | |
| 14 #include "ui/views/view.h" | |
| 15 | |
| 16 namespace ui { | |
| 17 class NativeTheme; | |
| 18 } | |
| 19 | |
| 20 namespace views { | |
| 21 namespace test { | |
| 22 class ScrollViewTestApi; | |
| 23 } | |
| 24 | |
| 25 class NativeScrollBarWrapper; | |
| 26 | |
| 27 // The NativeScrollBar class is a scrollbar that uses platform's | |
| 28 // native control. | |
| 29 class VIEWS_EXPORT NativeScrollBar : public ScrollBar { | |
| 30 public: | |
| 31 // The scroll-bar's class name. | |
| 32 static const char kViewClassName[]; | |
| 33 | |
| 34 // Create new scrollbar, either horizontal or vertical. | |
| 35 explicit NativeScrollBar(bool is_horiz); | |
| 36 ~NativeScrollBar() override; | |
| 37 | |
| 38 // Return the system sizes. | |
| 39 static int GetHorizontalScrollBarHeight(const ui::NativeTheme* theme); | |
| 40 static int GetVerticalScrollBarWidth(const ui::NativeTheme* theme); | |
| 41 | |
| 42 private: | |
| 43 friend class NativeScrollBarTest; | |
| 44 friend class test::ScrollViewTestApi; | |
| 45 FRIEND_TEST_ALL_PREFIXES(NativeScrollBarTest, Scrolling); | |
| 46 | |
| 47 // Overridden from View. | |
| 48 gfx::Size GetPreferredSize() const override; | |
| 49 void Layout() override; | |
| 50 void ViewHierarchyChanged( | |
| 51 const ViewHierarchyChangedDetails& details) override; | |
| 52 const char* GetClassName() const override; | |
| 53 | |
| 54 // Overrideen from View for keyboard UI purpose. | |
| 55 bool OnKeyPressed(const ui::KeyEvent& event) override; | |
| 56 bool OnMouseWheel(const ui::MouseWheelEvent& e) override; | |
| 57 | |
| 58 // Overridden from ui::EventHandler. | |
| 59 void OnGestureEvent(ui::GestureEvent* event) override; | |
| 60 | |
| 61 // Overridden from ScrollBar. | |
| 62 void Update(int viewport_size, int content_size, int current_pos) override; | |
| 63 int GetPosition() const override; | |
| 64 int GetLayoutSize() const override; | |
| 65 | |
| 66 // init border | |
| 67 NativeScrollBarWrapper* native_wrapper_; | |
| 68 | |
| 69 DISALLOW_COPY_AND_ASSIGN(NativeScrollBar); | |
| 70 }; | |
| 71 | |
| 72 } // namespace views | |
| 73 | |
| 74 #endif // UI_VIEWS_CONTROLS_SCROLLBAR_NATIVE_SCROLL_BAR_H_ | |
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Chromium Code Reviews
Issue 2480763005:
Remove NativeScrollBar*. (Closed)
