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// Copyright 2013 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_OVERVIEW_WINDOW_SELECTOR_CONTROLLER_H_
#define ASH_WM_OVERVIEW_WINDOW_SELECTOR_CONTROLLER_H_
#include <list>
#include <vector>
#include "ash/ash_export.h"
#include "ash/wm/overview/window_selector.h"
#include "ash/wm/overview/window_selector_delegate.h"
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "base/time/time.h"
#include "ui/aura/window_observer.h"
namespace aura {
class Window;
}
namespace ash {
class WindowSelector;
class WindowSelectorTest;
// Manages a window selector which displays an overview of all windows and
// allows selecting a window to activate it.
class ASH_EXPORT WindowSelectorController
: public WindowSelectorDelegate {
public:
WindowSelectorController();
virtual ~WindowSelectorController();
// Returns true if selecting windows in an overview is enabled. This is false
// at certain times, such as when the lock screen is visible.
static bool CanSelect();
// Enters overview mode. This is essentially the window cycling mode however
// not released on releasing the alt key and allows selecting with the mouse
// or touch rather than keypresses.
void ToggleOverview();
// Returns true if window selection mode is active.
bool IsSelecting();
// WindowSelectorDelegate:
virtual void OnWindowSelected(aura::Window* window) OVERRIDE;
virtual void OnSelectionCanceled() OVERRIDE;
private:
friend class WindowSelectorTest;
// Dispatched when window selection begins.
void OnSelectionStarted();
scoped_ptr<WindowSelector> window_selector_;
base::Time last_selection_time_;
DISALLOW_COPY_AND_ASSIGN(WindowSelectorController);
};
} // namespace ash
#endif // ASH_WM_OVERVIEW_WINDOW_SELECTOR_CONTROLLER_H_
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