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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_WM_ROOT_WINDOW_LAYOUT_MANAGER_H_
#define ASH_WM_ROOT_WINDOW_LAYOUT_MANAGER_H_
#include <vector>
#include "base/memory/raw_ptr.h"
#include "ui/aura/layout_manager.h"
namespace ash {
// A layout manager for the root window.
// Resizes all of its immediate children and their descendants to fill the
// bounds of the associated window.
class RootWindowLayoutManager : public aura::LayoutManager {
public:
explicit RootWindowLayoutManager(aura::Window* owner);
RootWindowLayoutManager(const RootWindowLayoutManager&) = delete;
RootWindowLayoutManager& operator=(const RootWindowLayoutManager&) = delete;
~RootWindowLayoutManager() override;
// Overridden from aura::LayoutManager:
void OnWindowResized() override;
void OnWindowAddedToLayout(aura::Window* child) override;
void OnWillRemoveWindowFromLayout(aura::Window* child) override;
void OnWindowRemovedFromLayout(aura::Window* child) override;
void OnChildWindowVisibilityChanged(aura::Window* child,
bool visible) override;
void SetChildBounds(aura::Window* child,
const gfx::Rect& requested_bounds) override;
void AddContainer(aura::Window* window);
private:
raw_ptr<aura::Window, ExperimentalAsh> owner_;
std::vector<aura::Window*> containers_;
};
} // namespace ash
#endif // ASH_WM_ROOT_WINDOW_LAYOUT_MANAGER_H_
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