More old files deletion.

ui/gfx/screen.h

-// 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 <vector>
-
-#include "base/basictypes.h"
-#include "ui/gfx/display.h"
-#include "ui/gfx/gfx_export.h"
-#include "ui/gfx/native_widget_types.h"
-#include "ui/gfx/point.h"
-#include "ui/gfx/screen_type_delegate.h"
-
-namespace gfx {
-class DisplayObserver;
-class Rect;
-
-// A utility class for getting various info about screen size, displays,
-// cursor position, etc.
-//
-// Note that this class does not represent an individual display connected to a
-// computer -- see the Display class for that. A single Screen object exists on
-// most operating systems regardless of the number of connected displays. On
-// Windows 8, two Screens exist: one for Metro UI and another for the desktop.
-class GFX_EXPORT Screen {
- public:
-  // Retrieves the Screen that the specified NativeView belongs to. A value of
-  // NULL is treated as |SCREEN_TYPE_NATIVE|.
-  static Screen* GetScreenFor(NativeView view);
-
-  // Returns the SCREEN_TYPE_NATIVE Screen. This should be used with caution,
-  // as it is likely to be incorrect for code that runs on Windows.
-  static Screen* GetNativeScreen();
-
-  // Sets the global screen for a particular screen type. Only the _NATIVE
-  // ScreenType must be provided.
-  static void SetScreenInstance(ScreenType type, Screen* instance);
-
-  // Returns the global screen for a particular type. Types other than _NATIVE
-  // may be NULL.
-  static Screen* GetScreenByType(ScreenType type);
-
-  // Sets the global ScreenTypeDelegate. May be left unset if the platform
-  // uses only the _NATIVE ScreenType.
-  static void SetScreenTypeDelegate(ScreenTypeDelegate* delegate);
-
-  Screen();
-  virtual ~Screen();
-
-  // Returns true if DIP is enabled.
-  virtual bool IsDIPEnabled() = 0;
-
-  // Returns the current absolute position of the mouse pointer.
-  virtual gfx::Point GetCursorScreenPoint() = 0;
-
-  // Returns the window under the cursor.
-  virtual gfx::NativeWindow GetWindowUnderCursor() = 0;
-
-  // Returns the window at the given screen coordinate |point|.
-  virtual gfx::NativeWindow GetWindowAtScreenPoint(const gfx::Point& point) = 0;
-
-  // Returns the number of displays.
-  // Mirrored displays are excluded; this method is intended to return the
-  // number of distinct, usable displays.
-  virtual int GetNumDisplays() const = 0;
-
-  // Returns the list of displays that are currently available.
-  virtual std::vector<gfx::Display> GetAllDisplays() const = 0;
-
-  // Returns the display nearest the specified window.
-  // If the window is NULL or the window is not rooted to a display this will
-  // return the primary display.
-  virtual gfx::Display GetDisplayNearestWindow(NativeView view) const = 0;
-
-  // Returns the display nearest the specified point.
-  virtual gfx::Display GetDisplayNearestPoint(
-      const gfx::Point& point) const = 0;
-
-  // Returns the display that most closely intersects the provided bounds.
-  virtual gfx::Display GetDisplayMatching(
-      const gfx::Rect& match_rect) const = 0;
-
-  // Returns the primary display.
-  virtual gfx::Display GetPrimaryDisplay() const = 0;
-
-  // Adds/Removes display observers.
-  virtual void AddObserver(DisplayObserver* observer) = 0;
-  virtual void RemoveObserver(DisplayObserver* observer) = 0;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(Screen);
-};
-
-Screen* CreateNativeScreen();
-
-}  // namespace gfx
-
-#endif  // UI_GFX_SCREEN_H_