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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #include "ui/gfx/screen.h" | |
6 | |
7 #include "base/logging.h" | |
8 #include "ui/gfx/android/device_display_info.h" | |
9 #include "ui/gfx/display.h" | |
10 #include "ui/gfx/size_conversions.h" | |
11 | |
12 namespace gfx { | |
13 | |
14 class ScreenAndroid : public Screen { | |
15 public: | |
16 ScreenAndroid() {} | |
17 | |
18 virtual bool IsDIPEnabled() override { return true; } | |
19 | |
20 virtual gfx::Point GetCursorScreenPoint() override { return gfx::Point(); } | |
21 | |
22 virtual gfx::NativeWindow GetWindowUnderCursor() override { | |
23 NOTIMPLEMENTED(); | |
24 return NULL; | |
25 } | |
26 | |
27 virtual gfx::NativeWindow GetWindowAtScreenPoint(const gfx::Point& point) | |
28 override { | |
29 NOTIMPLEMENTED(); | |
30 return NULL; | |
31 } | |
32 | |
33 virtual gfx::Display GetPrimaryDisplay() const override { | |
34 gfx::DeviceDisplayInfo device_info; | |
35 const float device_scale_factor = device_info.GetDIPScale(); | |
36 // Note: GetPhysicalDisplayWidth/Height() does not subtract window | |
37 // decorations etc. Use it instead of GetDisplayWidth/Height() when | |
38 // available. | |
39 const gfx::Rect bounds_in_pixels = | |
40 gfx::Rect(device_info.GetPhysicalDisplayWidth() | |
41 ? device_info.GetPhysicalDisplayWidth() | |
42 : device_info.GetDisplayWidth(), | |
43 device_info.GetPhysicalDisplayHeight() | |
44 ? device_info.GetPhysicalDisplayHeight() | |
45 : device_info.GetDisplayHeight()); | |
46 const gfx::Rect bounds_in_dip = | |
47 gfx::Rect(gfx::ToCeiledSize(gfx::ScaleSize( | |
48 bounds_in_pixels.size(), 1.0f / device_scale_factor))); | |
49 gfx::Display display(0, bounds_in_dip); | |
50 if (!gfx::Display::HasForceDeviceScaleFactor()) | |
51 display.set_device_scale_factor(device_scale_factor); | |
52 display.SetRotationAsDegree(device_info.GetRotationDegrees()); | |
53 return display; | |
54 } | |
55 | |
56 virtual gfx::Display GetDisplayNearestWindow( | |
57 gfx::NativeView view) const override { | |
58 return GetPrimaryDisplay(); | |
59 } | |
60 | |
61 virtual gfx::Display GetDisplayNearestPoint( | |
62 const gfx::Point& point) const override { | |
63 return GetPrimaryDisplay(); | |
64 } | |
65 | |
66 virtual int GetNumDisplays() const override { return 1; } | |
67 | |
68 virtual std::vector<gfx::Display> GetAllDisplays() const override { | |
69 return std::vector<gfx::Display>(1, GetPrimaryDisplay()); | |
70 } | |
71 | |
72 virtual gfx::Display GetDisplayMatching( | |
73 const gfx::Rect& match_rect) const override { | |
74 return GetPrimaryDisplay(); | |
75 } | |
76 | |
77 virtual void AddObserver(DisplayObserver* observer) override { | |
78 // no display change on Android. | |
79 } | |
80 | |
81 virtual void RemoveObserver(DisplayObserver* observer) override { | |
82 // no display change on Android. | |
83 } | |
84 | |
85 private: | |
86 DISALLOW_COPY_AND_ASSIGN(ScreenAndroid); | |
87 }; | |
88 | |
89 Screen* CreateNativeScreen() { | |
90 return new ScreenAndroid; | |
91 } | |
92 | |
93 } // namespace gfx | |
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