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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 ASH_WM_WORKSPACE_WORKSPACE_OBSERVER_H_
#define ASH_WM_WORKSPACE_WORKSPACE_OBSERVER_H_
#pragma once
#include "ash/ash_export.h"
namespace aura {
class Window;
}
namespace aura_shell {
namespace internal {
class Workspace;
class WorkspaceManager;
// A class to observe changes in workspace state.
class ASH_EXPORT WorkspaceObserver {
public:
// Invoked when |start| window is moved and inserted
// at the |target| window's position by |WorkspaceManager::RotateWindow|.
virtual void WindowMoved(WorkspaceManager* manager,
aura::Window* source,
aura::Window* target) = 0;
// Invoked when the active workspace changes. |old| is
// the old active workspace and can be NULL.
virtual void ActiveWorkspaceChanged(WorkspaceManager* manager,
Workspace* old) = 0;
protected:
virtual ~WorkspaceObserver() {}
};
} // namespace internal
} // namespace aura_shell
#endif // ASH_WM_WORKSPACE_WORKSPACE_OBSERVER_H_
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