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| 1 // Copyright 2017 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 ASH_DEVTOOLS_UI_ELEMENT_H_ |
| 6 #define ASH_DEVTOOLS_UI_ELEMENT_H_ |
| 7 |
| 8 #include <vector> |
| 9 |
| 10 #include "ash/ash_export.h" |
| 11 #include "base/macros.h" |
| 12 #include "ui/aura/window.h" |
| 13 #include "ui/gfx/geometry/rect.h" |
| 14 #include "ui/views/view.h" |
| 15 |
| 16 namespace ash { |
| 17 namespace devtools { |
| 18 |
| 19 class UIElementDelegate; |
| 20 |
| 21 // UIElement type. |
| 22 enum UIElementType { WINDOW, WIDGET, VIEW }; |
| 23 |
| 24 class ASH_EXPORT UIElement { |
| 25 public: |
| 26 virtual ~UIElement(); |
| 27 int node_id() const { return node_id_; }; |
| 28 std::string GetTypeName() const; |
| 29 UIElement* parent() const { return parent_; }; |
| 30 UIElementDelegate* delegate() const { return delegate_; }; |
| 31 UIElementType type() const { return type_; }; |
| 32 const std::vector<UIElement*>& children() const { return children_; }; |
| 33 |
| 34 // |child| is inserted in front of |before|. If |before| is null, it |
| 35 // is inserted at the end. Parent takes ownership of the added child. |
| 36 void AddChild(UIElement* child, UIElement* before = nullptr); |
| 37 |
| 38 // Remove |child| out of vector |children_| but |child| is not destroyed. |
| 39 // The caller is responsible for destroying |child|. |
| 40 void RemoveChild(UIElement* child); |
| 41 |
| 42 // Move |child| to position new_index in |children_|. |
| 43 void ReorderChild(UIElement* child, int new_index); |
| 44 |
| 45 virtual void GetBounds(gfx::Rect* bounds) const = 0; |
| 46 virtual void SetBounds(const gfx::Rect& bounds) = 0; |
| 47 virtual void GetVisible(bool* visible) const = 0; |
| 48 virtual void SetVisible(bool visible) = 0; |
| 49 |
| 50 // If element exists, return its associated native window and its bounds. |
| 51 // Otherwise, return null and empty bounds. |
| 52 virtual std::pair<aura::Window*, gfx::Rect> GetNodeWindowAndBounds() |
| 53 const = 0; |
| 54 |
| 55 template <typename BackingT, typename T> |
| 56 static BackingT* GetBackingElement(UIElement* element) { |
| 57 return T::From(element); |
| 58 }; |
| 59 |
| 60 protected: |
| 61 UIElement(const UIElementType type, |
| 62 UIElementDelegate* delegate, |
| 63 UIElement* parent); |
| 64 |
| 65 private: |
| 66 const int node_id_; |
| 67 const UIElementType type_; |
| 68 std::vector<UIElement*> children_; |
| 69 UIElement* parent_; |
| 70 UIElementDelegate* delegate_; |
| 71 |
| 72 DISALLOW_COPY_AND_ASSIGN(UIElement); |
| 73 }; |
| 74 |
| 75 } // namespace devtools |
| 76 } // namespace ash |
| 77 |
| 78 #endif // ASH_DEVTOOLS_UI_ELEMENT_H_ |
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