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// Copyright 2014 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_WM_SNAP_TO_PIXEL_LAYOUT_MANAGER_H_
#define ASH_WM_SNAP_TO_PIXEL_LAYOUT_MANAGER_H_
#include "ash/ash_export.h"
#include "base/macros.h"
#include "ui/aura/layout_manager.h"
namespace ash {
// A layout manager that places children's layer at the physical pixel
// boundaries.
class ASH_EXPORT SnapToPixelLayoutManager : public aura::LayoutManager {
public:
explicit SnapToPixelLayoutManager(aura::Window* container);
~SnapToPixelLayoutManager() override;
protected:
// 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 visibile) override;
void SetChildBounds(aura::Window* child,
const gfx::Rect& requested_bounds) override;
private:
DISALLOW_COPY_AND_ASSIGN(SnapToPixelLayoutManager);
};
} // namespace ash
#endif // ASH_WM_SNAP_TO_PIXEL_LAYOUT_MANAGER_H_
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