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+// Copyright 2014 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_SCREEN_UTIL_H_
+#define ASH_SCREEN_UTIL_H_
+
+#include "ash/ash_export.h"
+#include "base/basictypes.h"
+
+namespace aura {
+class Window;
+}
+
+namespace gfx {
+class Display;
+class Rect;
+class Point;
+}
+
+namespace ash {
+
+class ASH_EXPORT ScreenUtil {
+ public:
+ // Finds the display that contains |point| in screeen coordinates.
+ // Returns invalid display if there is no display that can satisfy
+ // the condition.
+ static gfx::Display FindDisplayContainingPoint(const gfx::Point& point);
+
+ // Returns the bounds for maximized windows in parent coordinates.
+ // Maximized windows trigger auto-hiding the shelf.
+ static gfx::Rect GetMaximizedWindowBoundsInParent(aura::Window* window);
+
+ // Returns the display bounds in parent coordinates.
+ static gfx::Rect GetDisplayBoundsInParent(aura::Window* window);
+
+ // Returns the display's work area bounds in parent coordinates.
+ static gfx::Rect GetDisplayWorkAreaBoundsInParent(aura::Window* window);
+
+ // TODO(oshima): Move following two to wm/coordinate_conversion.h
+ // Converts |rect| from |window|'s coordinates to the virtual screen
+ // coordinates.
+ static gfx::Rect ConvertRectToScreen(aura::Window* window,
+ const gfx::Rect& rect);
+
+ // Converts |rect| from virtual screen coordinates to the |window|'s
+ // coordinates.
+ static gfx::Rect ConvertRectFromScreen(aura::Window* window,
+ const gfx::Rect& rect);
+
+ // Returns a gfx::Display object for secondary display. Returns
+ // invalid display if there is no secondary display connected.
+ static const gfx::Display& GetSecondaryDisplay();
+
+ // Returns a gfx::Display object for the specified id. Returns
+ // invalid display if no such display is connected.
+ static const gfx::Display& GetDisplayForId(int64 display_id);
+
+private:
+ ScreenUtil() {}
+ ~ScreenUtil() {}
+
+ DISALLOW_COPY_AND_ASSIGN(ScreenUtil);
+};
+
+} // namespace ash
+
+#endif // ASH_SCREEN_UTIL_H_