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Side by Side Diff: ash/touch/touch_transformer_controller.h

Issue 2270553002: Move ash::DisplayInfo to ui (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: rebased Created 4 years, 3 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 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 ASH_TOUCH_TOUCH_TRANSFORMER_CONTROLLER_H_ 5 #ifndef ASH_TOUCH_TOUCH_TRANSFORMER_CONTROLLER_H_
6 #define ASH_TOUCH_TOUCH_TRANSFORMER_CONTROLLER_H_ 6 #define ASH_TOUCH_TOUCH_TRANSFORMER_CONTROLLER_H_
7 7
8 #include <stdint.h> 8 #include <stdint.h>
9 9
10 #include "ash/ash_export.h" 10 #include "ash/ash_export.h"
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46 46
47 // Returns a transform that will be used to change an event's location from 47 // Returns a transform that will be used to change an event's location from
48 // the touchscreen's coordinate system into |display|'s coordinate system. 48 // the touchscreen's coordinate system into |display|'s coordinate system.
49 // The transform is also responsible for properly scaling the display if the 49 // The transform is also responsible for properly scaling the display if the
50 // display supports panel fitting. 50 // display supports panel fitting.
51 // 51 //
52 // On X11 events are reported in framebuffer coordinate space, so the 52 // On X11 events are reported in framebuffer coordinate space, so the
53 // |framebuffer_size| is used for scaling. 53 // |framebuffer_size| is used for scaling.
54 // On Ozone events are reported in the touchscreen's resolution, so 54 // On Ozone events are reported in the touchscreen's resolution, so
55 // |touch_display| is used to determine the size and scale the event. 55 // |touch_display| is used to determine the size and scale the event.
56 gfx::Transform GetTouchTransform(const DisplayInfo& display, 56 gfx::Transform GetTouchTransform(
57 const DisplayInfo& touch_display, 57 const display::ManagedDisplayInfo& display,
58 const ui::TouchscreenDevice& touchscreen, 58 const display::ManagedDisplayInfo& touch_display,
59 const gfx::Size& framebuffer_size) const; 59 const ui::TouchscreenDevice& touchscreen,
60 const gfx::Size& framebuffer_size) const;
60 61
61 // Returns the scaling factor for the touch radius such that it scales the 62 // Returns the scaling factor for the touch radius such that it scales the
62 // radius from |touch_device|'s coordinate system to the |touch_display|'s 63 // radius from |touch_device|'s coordinate system to the |touch_display|'s
63 // coordinate system. 64 // coordinate system.
64 double GetTouchResolutionScale( 65 double GetTouchResolutionScale(
65 const DisplayInfo& touch_display, 66 const display::ManagedDisplayInfo& touch_display,
66 const ui::TouchscreenDevice& touch_device) const; 67 const ui::TouchscreenDevice& touch_device) const;
67 68
68 // For the provided |display| update the touch radius mapping. 69 // For the provided |display| update the touch radius mapping.
69 void UpdateTouchRadius(const DisplayInfo& display) const; 70 void UpdateTouchRadius(const display::ManagedDisplayInfo& display) const;
70 71
71 // For a given |target_display| and |target_display_id| update the touch 72 // For a given |target_display| and |target_display_id| update the touch
72 // transformation based on the touchscreen associated with |touch_display|. 73 // transformation based on the touchscreen associated with |touch_display|.
73 // |target_display_id| is the display id whose root window will receive the 74 // |target_display_id| is the display id whose root window will receive the
74 // touch events. 75 // touch events.
75 // |touch_display| is the physical display that has the touchscreen 76 // |touch_display| is the physical display that has the touchscreen
76 // from which the events arrive. 77 // from which the events arrive.
77 // |target_display| provides the dimensions to which the touch event will be 78 // |target_display| provides the dimensions to which the touch event will be
78 // transformed. 79 // transformed.
79 void UpdateTouchTransform(int64_t target_display_id, 80 void UpdateTouchTransform(
80 const DisplayInfo& touch_display, 81 int64_t target_display_id,
81 const DisplayInfo& target_display) const; 82 const display::ManagedDisplayInfo& touch_display,
83 const display::ManagedDisplayInfo& target_display) const;
82 84
83 DISALLOW_COPY_AND_ASSIGN(TouchTransformerController); 85 DISALLOW_COPY_AND_ASSIGN(TouchTransformerController);
84 }; 86 };
85 87
86 } // namespace ash 88 } // namespace ash
87 89
88 #endif // ASH_TOUCH_TOUCH_TRANSFORMER_CONTROLLER_H_ 90 #endif // ASH_TOUCH_TOUCH_TRANSFORMER_CONTROLLER_H_
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