chromium/ui/wm/public/activation_client.h

// 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 UI_WM_PUBLIC_ACTIVATION_CLIENT_H_
#define UI_WM_PUBLIC_ACTIVATION_CLIENT_H_

#include "ui/wm/public/wm_public_export.h"

namespace aura {
class Window;
}

namespace wm {
class ActivationChangeObserver;

// An interface implemented by an object that manages window activation.
class WM_PUBLIC_EXPORT ActivationClient { … };

// Sets/Gets the activation client on the root Window.
WM_PUBLIC_EXPORT void SetActivationClient(aura::Window* root_window,
                                          ActivationClient* client);
WM_PUBLIC_EXPORT ActivationClient* GetActivationClient(
    aura::Window* root_window);
WM_PUBLIC_EXPORT const ActivationClient* GetActivationClient(
    const aura::Window* root_window);

// Some types of transient window are only visible when active.
// The transient parents of these windows may have visual appearance properties
// that differ from transient parents that can be deactivated.
// The presence of this property implies these traits.
// TODO(beng): currently the UI framework (views) implements the actual
//             close-on-deactivate component of this feature but it should be
//             possible to implement in the aura client.
WM_PUBLIC_EXPORT void SetHideOnDeactivate(aura::Window* window,
                                          bool hide_on_deactivate);
WM_PUBLIC_EXPORT bool GetHideOnDeactivate(aura::Window* window);

}  // namespace wm

#endif  // UI_WM_PUBLIC_ACTIVATION_CLIENT_H_