| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef ASH_DEVTOOLS_UI_ELEMENT_H_ |
| #define ASH_DEVTOOLS_UI_ELEMENT_H_ |
| |
| #include <vector> |
| |
| #include "ash/ash_export.h" |
| #include "base/macros.h" |
| #include "ui/aura/window.h" |
| #include "ui/gfx/geometry/rect.h" |
| #include "ui/views/view.h" |
| |
| namespace ash { |
| namespace devtools { |
| |
| class UIElementDelegate; |
| |
| // UIElement type. |
| enum UIElementType { WINDOW, WIDGET, VIEW }; |
| |
| class ASH_EXPORT UIElement { |
| public: |
| virtual ~UIElement(); |
| int node_id() const { return node_id_; }; |
| std::string GetTypeName() const; |
| UIElement* parent() const { return parent_; }; |
| UIElementDelegate* delegate() const { return delegate_; }; |
| UIElementType type() const { return type_; }; |
| const std::vector<UIElement*>& children() const { return children_; }; |
| |
| // |child| is inserted in front of |before|. If |before| is null, it |
| // is inserted at the end. Parent takes ownership of the added child. |
| void AddChild(UIElement* child, UIElement* before = nullptr); |
| |
| // Remove |child| out of vector |children_| but |child| is not destroyed. |
| // The caller is responsible for destroying |child|. |
| void RemoveChild(UIElement* child); |
| |
| // Move |child| to position new_index in |children_|. |
| void ReorderChild(UIElement* child, int new_index); |
| |
| virtual void GetBounds(gfx::Rect* bounds) const = 0; |
| virtual void SetBounds(const gfx::Rect& bounds) = 0; |
| virtual void GetVisible(bool* visible) const = 0; |
| virtual void SetVisible(bool visible) = 0; |
| |
| // If element exists, return its associated native window and its bounds. |
| // Otherwise, return null and empty bounds. |
| virtual std::pair<aura::Window*, gfx::Rect> GetNodeWindowAndBounds() |
| const = 0; |
| |
| template <typename BackingT, typename T> |
| static BackingT* GetBackingElement(UIElement* element) { |
| return T::From(element); |
| }; |
| |
| protected: |
| UIElement(const UIElementType type, |
| UIElementDelegate* delegate, |
| UIElement* parent); |
| |
| private: |
| const int node_id_; |
| const UIElementType type_; |
| std::vector<UIElement*> children_; |
| UIElement* parent_; |
| UIElementDelegate* delegate_; |
| |
| DISALLOW_COPY_AND_ASSIGN(UIElement); |
| }; |
| |
| } // namespace devtools |
| } // namespace ash |
| |
| #endif // ASH_DEVTOOLS_UI_ELEMENT_H_ |