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- // 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 COMPONENTS_UI_DEVTOOLS_UI_ELEMENT_DELEGATE_H_
- #define COMPONENTS_UI_DEVTOOLS_UI_ELEMENT_DELEGATE_H_
- namespace ui_devtools {
- class UIElement;
- class UIElementDelegate {
- public:
- UIElementDelegate() {}
- UIElementDelegate(const UIElementDelegate&) = delete;
- UIElementDelegate& operator=(const UIElementDelegate&) = delete;
- virtual ~UIElementDelegate() {}
- virtual void OnUIElementAdded(UIElement* parent, UIElement* child) = 0;
- // Move |child| to different sibling index under |parent| in DOM tree.
- virtual void OnUIElementReordered(UIElement* parent, UIElement* child) = 0;
- // Remove ui_element in DOM tree.
- virtual void OnUIElementRemoved(UIElement* ui_element) = 0;
- // Update CSS agent when bounds change.
- virtual void OnUIElementBoundsChanged(UIElement* ui_element) = 0;
- };
- } // namespace ui_devtools
- #endif // COMPONENTS_UI_DEVTOOLS_UI_ELEMENT_DELEGATE_H_
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