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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_UI_DEVTOOLS_VIEWS_VIEW_ELEMENT_H_
#define COMPONENTS_UI_DEVTOOLS_VIEWS_VIEW_ELEMENT_H_
#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "components/ui_devtools/ui_element.h"
#include "components/ui_devtools/views/ui_element_with_metadata.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/views/view.h"
#include "ui/views/view_observer.h"
namespace ui_devtools {
class UIElementDelegate;
class ViewElement : public views::ViewObserver, public UIElementWithMetaData {
public:
ViewElement(views::View* view,
UIElementDelegate* ui_element_delegate,
UIElement* parent);
ViewElement(const ViewElement&) = delete;
ViewElement& operator=(const ViewElement&) = delete;
~ViewElement() override;
views::View* view() const { return view_; }
// views::ViewObserver
void OnChildViewRemoved(views::View* parent, views::View* view) override;
void OnChildViewAdded(views::View* parent, views::View* view) override;
void OnChildViewReordered(views::View* parent, views::View*) override;
void OnViewBoundsChanged(views::View* view) override;
// UIElement:
void GetBounds(gfx::Rect* bounds) const override;
void SetBounds(const gfx::Rect& bounds) override;
std::vector<std::string> GetAttributes() const override;
std::pair<gfx::NativeWindow, gfx::Rect> GetNodeWindowAndScreenBounds()
const override;
static views::View* From(const UIElement* element);
void PaintRect() const override;
bool FindMatchByElementID(const ui::ElementIdentifier& identifier) override;
bool DispatchMouseEvent(protocol::DOM::MouseEvent* event) override;
bool DispatchKeyEvent(protocol::DOM::KeyEvent* event) override;
protected:
ui::metadata::ClassMetaData* GetClassMetaData() const override;
void* GetClassInstance() const override;
ui::Layer* GetLayer() const override;
private:
// Clears children and rebuilds ViewElement subtree from scratch. Called if an
// inconsistency is detected between the current tree and the tree of the
// backing view.
void RebuildTree();
raw_ptr<views::View> view_;
base::ScopedObservation<views::View, views::ViewObserver> observer_{this};
};
} // namespace ui_devtools
#endif // COMPONENTS_UI_DEVTOOLS_VIEWS_VIEW_ELEMENT_H_
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