blob: bf9a8f4e17c94137b4c43b8a6daae0b8b5e8a109 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
// Copyright (c) 2012 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 UI_GFX_SCREEN_H_
#define UI_GFX_SCREEN_H_
#include "base/basictypes.h"
#include "ui/base/ui_export.h"
#include "ui/gfx/display.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/gfx/point.h"
namespace gfx {
class Rect;
class ScreenImpl;
// A utility class for getting various info about screen size, displays,
// cursor position, etc.
class UI_EXPORT Screen {
public:
#if defined(USE_AURA)
// Sets the instance to use. This takes owernship of |screen|, deleting the
// old instance. This is used on aura to avoid circular dependencies between
// ui and aura.
static void SetInstance(ScreenImpl* screen);
#endif
// Returns true if DIP is enabled.
static bool IsDIPEnabled();
// Returns the current absolute position of the mouse pointer.
static gfx::Point GetCursorScreenPoint();
// Returns the window under the cursor.
static gfx::NativeWindow GetWindowAtCursorScreenPoint();
// Returns the number of displays.
// Mirrored displays are excluded; this method is intended to return the
// number of distinct, usable displays.
static int GetNumDisplays();
// Returns the display nearest the specified window.
static gfx::Display GetDisplayNearestWindow(gfx::NativeView view);
// Returns the the display nearest the specified point.
static gfx::Display GetDisplayNearestPoint(const gfx::Point& point);
// Returns the display that most closely intersects the provided bounds.
static gfx::Display GetDisplayMatching(const gfx::Rect& match_rect);
// Returns the primary display.
static gfx::Display GetPrimaryDisplay();
private:
DISALLOW_IMPLICIT_CONSTRUCTORS(Screen);
};
} // namespace gfx
#endif // UI_GFX_SCREEN_H_
|
