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// Copyright (c) 2012 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.
#include <memory>
#include "ash/ash_export.h"
#include "base/macros.h"
#include "ui/gfx/geometry/rect.h"
namespace aura {
class Window;
namespace views {
class Widget;
namespace ash {
// PhantomWindowController is responsible for showing a phantom representation
// of a window. It's used to show a preview of how snapping or docking a window
// will affect the window's bounds.
class ASH_EXPORT PhantomWindowController {
explicit PhantomWindowController(aura::Window* window);
// Hides the phantom window without any animation.
// Shows the phantom window and animates shrinking it to |bounds_in_screen|.
void Show(const gfx::Rect& bounds_in_screen);
aura::Window* window() { return window_; }
// Creates, shows and returns a phantom widget at |bounds|
// with kShellWindowId_ShelfContainer in |root_window| as a parent.
std::unique_ptr<views::Widget> CreatePhantomWidget(
aura::Window* root_window,
const gfx::Rect& bounds_in_screen);
// Window that the phantom window is stacked above.
aura::Window* window_;
// Target bounds (including the shadows if any) of the animation in screen
// coordinates.
gfx::Rect target_bounds_in_screen_;
// Phantom representation of the window.
std::unique_ptr<views::Widget> phantom_widget_;
} // namespace ash