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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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