ash/screen_util.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef ASH_SCREEN_UTIL_H_
   6 #define ASH_SCREEN_UTIL_H_
   7
   8 #include "ash/ash_export.h"
   9 #include "base/basictypes.h"
  10
  11 namespace aura {
  12 class Window;
  13 }
  14
  15 namespace gfx {
  16 class Display;
  17 class Rect;
  18 class Point;
  19 }
  20
  21 namespace ash {
  22
  23 class ASH_EXPORT ScreenUtil {
  24  public:
  25   // Finds the display that contains |point| in screeen coordinates.
  26   // Returns invalid display if there is no display that can satisfy
  27   // the condition.
  28   static gfx::Display FindDisplayContainingPoint(const gfx::Point& point);
  29
  30   // Returns the bounds for maximized windows in parent coordinates.
  31   // Maximized windows trigger auto-hiding the shelf.
  32   static gfx::Rect GetMaximizedWindowBoundsInParent(aura::Window* window);
  33
  34   // Returns the display bounds in parent coordinates.
  35   static gfx::Rect GetDisplayBoundsInParent(aura::Window* window);
  36
  37   // Returns the display's work area bounds in parent coordinates.
  38   static gfx::Rect GetDisplayWorkAreaBoundsInParent(aura::Window* window);
  39
  40   // Returns the physical display bounds containing the shelf that
  41   // shares the same root window as |root|. Physical displays can
  42   // differ from logical displays in unified desktop mode.
  43   // TODO(oshima): If we need to expand the unified desktop support to
  44   // general use, we should consider always using physical display in
  45   // window layout instead of root window, and keep the logical
  46   // display only in display management code.
  47   static gfx::Rect GetShelfDisplayBoundsInScreen(aura::Window* window);
  48
  49   // TODO(oshima): Move following two to wm/coordinate_conversion.h
  50   // Converts |rect| from |window|'s coordinates to the virtual screen
  51   // coordinates.
  52   static gfx::Rect ConvertRectToScreen(aura::Window* window,
  53                                        const gfx::Rect& rect);
  54
  55   // Converts |rect| from virtual screen coordinates to the |window|'s
  56   // coordinates.
  57   static gfx::Rect ConvertRectFromScreen(aura::Window* window,
  58                                          const gfx::Rect& rect);
  59
  60   // Returns a gfx::Display object for secondary display. Returns
  61   // invalid display if there is no secondary display connected.
  62   static const gfx::Display& GetSecondaryDisplay();
  63
  64  private:
  65   ScreenUtil() {}
  66   ~ScreenUtil() {}
  67
  68   DISALLOW_COPY_AND_ASSIGN(ScreenUtil);
  69 };
  70
  71 }  // namespace ash
  72
  73 #endif  // ASH_SCREEN_UTIL_H_