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// Copyright (c) 2011 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 UI_AURA_SHELL_STACKING_CONTROLLER_H_
#define UI_AURA_SHELL_STACKING_CONTROLLER_H_
#pragma once
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "ui/aura/client/stacking_client.h"
namespace aura_shell {
namespace internal {
class AlwaysOnTopController;
class StackingController : public aura::StackingClient {
public:
StackingController();
virtual ~StackingController();
// Initializes this controller.
void Init();
// Overridden from aura::StackingClient:
virtual void AddChildToDefaultParent(aura::Window* window) OVERRIDE;
private:
// Returns corresponding modal container for a modal window.
// If screen lock is not active, all modal windows are placed into the
// normal modal container.
// Otherwise those that originate from LockScreen container and above are
// placed in the screen lock modal container.
aura::Window* GetModalContainer(aura::Window* window) const;
scoped_ptr<internal::AlwaysOnTopController> always_on_top_controller_;
DISALLOW_COPY_AND_ASSIGN(StackingController);
};
} // namespace internal
} // namespace aura_shell
#endif // UI_AURA_SHELL_STACKING_CONTROLLER_H_
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