Index: ash/devtools/ui_element_delegate.h |
diff --git a/ash/devtools/ui_element_delegate.h b/ash/devtools/ui_element_delegate.h |
new file mode 100644 |
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+++ b/ash/devtools/ui_element_delegate.h |
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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 ASH_DEVTOOLS_UI_ELEMENT_DELEGATE_H_ |
+#define ASH_DEVTOOLS_UI_ELEMENT_DELEGATE_H_ |
+ |
+#include <vector> |
+ |
+#include "ash/ash_export.h" |
+#include "base/macros.h" |
+#include "ui/aura/window.h" |
+ |
+namespace ash { |
+namespace devtools { |
+ |
+class UIElement; |
+ |
+class ASH_EXPORT UIElementDelegate { |
+ public: |
+ UIElementDelegate(){}; |
+ virtual ~UIElementDelegate(){}; |
+ |
+ // |parent| adds |child| in DOM tree. |
+ virtual void OnUIElementAdded(UIElement* parent, UIElement* child) = 0; |
+ |
+ // Move |child| to different sibling location under |parent| in DOM tree. |
+ virtual void OnUIElementReordered(UIElement* parent, UIElement* child) = 0; |
+ |
+ // Retun true if element is sucessfully removed in DOM tree, false otherwise. |
+ virtual bool OnUIElementRemoved(UIElement* ui_element) = 0; |
+ |
+ // Update CSS agent when bounds change. |
+ virtual void OnUIElementBoundsChanged(UIElement* ui_element) = 0; |
+ |
+ // Return |window| highlighting status. |
+ virtual bool IsHighlightingWindow(aura::Window* window) = 0; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(UIElementDelegate); |
+}; |
+ |
+} // namespace devtools |
+} // namespace ash |
+ |
+#endif // ASH_DEVTOOLS_UI_ELEMENT_DELEGATE_H_ |