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Side by Side Diff: ui/display/screen.h

Issue 2688413007: Add display::GetDisplayNearestView (Closed)
Patch Set: add missing files Created 3 years, 10 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef UI_DISPLAY_SCREEN_H_ 5 #ifndef UI_DISPLAY_SCREEN_H_
6 #define UI_DISPLAY_SCREEN_H_ 6 #define UI_DISPLAY_SCREEN_H_
7 7
8 #include <vector> 8 #include <vector>
9 9
10 #include "base/macros.h" 10 #include "base/macros.h"
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51 // Mirrored displays are excluded; this method is intended to return the 51 // Mirrored displays are excluded; this method is intended to return the
52 // number of distinct, usable displays. 52 // number of distinct, usable displays.
53 virtual int GetNumDisplays() const = 0; 53 virtual int GetNumDisplays() const = 0;
54 54
55 // Returns the list of displays that are currently available. 55 // Returns the list of displays that are currently available.
56 virtual const std::vector<Display>& GetAllDisplays() const = 0; 56 virtual const std::vector<Display>& GetAllDisplays() const = 0;
57 57
58 // Returns the display nearest the specified window. 58 // Returns the display nearest the specified window.
59 // If the window is NULL or the window is not rooted to a display this will 59 // If the window is NULL or the window is not rooted to a display this will
60 // return the primary display. 60 // return the primary display.
61 virtual Display GetDisplayNearestWindow(gfx::NativeView view) const = 0; 61 virtual Display GetDisplayNearestWindow(gfx::NativeWindow window) const = 0;
62 62
63 // Returns the display nearest the specified point. |point| should be in DIPs. 63 // Returns the display nearest the specified point. |point| should be in DIPs.
64 virtual Display GetDisplayNearestPoint(const gfx::Point& point) const = 0; 64 virtual Display GetDisplayNearestPoint(const gfx::Point& point) const = 0;
65 65
66 // Returns the display that most closely intersects the provided bounds. 66 // Returns the display that most closely intersects the provided bounds.
67 virtual Display GetDisplayMatching(const gfx::Rect& match_rect) const = 0; 67 virtual Display GetDisplayMatching(const gfx::Rect& match_rect) const = 0;
68 68
69 // Returns the primary display. 69 // Returns the primary display.
70 virtual Display GetPrimaryDisplay() const = 0; 70 virtual Display GetPrimaryDisplay() const = 0;
71 71
72 // Adds/Removes display observers. 72 // Adds/Removes display observers.
73 virtual void AddObserver(DisplayObserver* observer) = 0; 73 virtual void AddObserver(DisplayObserver* observer) = 0;
74 virtual void RemoveObserver(DisplayObserver* observer) = 0; 74 virtual void RemoveObserver(DisplayObserver* observer) = 0;
75 75
76 // Converts |screen_rect| to DIP coordinates in the context of |view| clamping 76 // Converts |screen_rect| to DIP coordinates in the context of |view| clamping
77 // to the enclosing rect if the coordinates do not fall on pixel boundaries. 77 // to the enclosing rect if the coordinates do not fall on pixel boundaries.
78 // If |view| is null, the primary display is used as the context. 78 // If |view| is null, the primary display is used as the context.
79 virtual gfx::Rect ScreenToDIPRectInWindow(gfx::NativeView view, 79 virtual gfx::Rect ScreenToDIPRectInWindow(gfx::NativeWindow window,
80 const gfx::Rect& screen_rect) const; 80 const gfx::Rect& screen_rect) const;
81 81
82 // Converts |dip_rect| to screen coordinates in the context of |view| clamping 82 // Converts |dip_rect| to screen coordinates in the context of |view| clamping
83 // to the enclosing rect if the coordinates do not fall on pixel boundaries. 83 // to the enclosing rect if the coordinates do not fall on pixel boundaries.
84 // If |view| is null, the primary display is used as the context. 84 // If |view| is null, the primary display is used as the context.
85 virtual gfx::Rect DIPToScreenRectInWindow(gfx::NativeView view, 85 virtual gfx::Rect DIPToScreenRectInWindow(gfx::NativeWindow winow,
86 const gfx::Rect& dip_rect) const; 86 const gfx::Rect& dip_rect) const;
87 87
88 // Returns true if the display with |display_id| is found and returns that 88 // Returns true if the display with |display_id| is found and returns that
89 // display in |display|. Otherwise returns false and |display| remains 89 // display in |display|. Otherwise returns false and |display| remains
90 // untouched. 90 // untouched.
91 bool GetDisplayWithDisplayId(int64_t display_id, Display* display) const; 91 bool GetDisplayWithDisplayId(int64_t display_id, Display* display) const;
92 92
93 private: 93 private:
94 DISALLOW_COPY_AND_ASSIGN(Screen); 94 DISALLOW_COPY_AND_ASSIGN(Screen);
95 }; 95 };
96 96
97 Screen* CreateNativeScreen(); 97 Screen* CreateNativeScreen();
98 98
99 } // namespace display 99 } // namespace display
100 100
101 #endif // UI_DISPLAY_SCREEN_H_ 101 #endif // UI_DISPLAY_SCREEN_H_
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