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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_BASE_TOUCH_TOUCH_DEVICE_H_ | 5 #ifndef UI_BASE_TOUCH_TOUCH_DEVICE_H_ |
6 #define UI_BASE_TOUCH_TOUCH_DEVICE_H_ | 6 #define UI_BASE_TOUCH_TOUCH_DEVICE_H_ |
7 | 7 |
8 #include <tuple> | 8 #include <tuple> |
9 | 9 |
10 #include "build/build_config.h" | 10 #include "build/build_config.h" |
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30 // Returns the maximum number of simultaneous touch contacts supported | 30 // Returns the maximum number of simultaneous touch contacts supported |
31 // by the device. In the case of devices with multiple digitizers (e.g. | 31 // by the device. In the case of devices with multiple digitizers (e.g. |
32 // multiple touchscreens), the value MUST be the maximum of the set of | 32 // multiple touchscreens), the value MUST be the maximum of the set of |
33 // maximum supported contacts by each individual digitizer. | 33 // maximum supported contacts by each individual digitizer. |
34 // For example, suppose a device has 3 touchscreens, which support 2, 5, | 34 // For example, suppose a device has 3 touchscreens, which support 2, 5, |
35 // and 10 simultaneous touch contacts, respectively. This returns 10. | 35 // and 10 simultaneous touch contacts, respectively. This returns 10. |
36 // http://www.w3.org/TR/pointerevents/#widl-Navigator-maxTouchPoints | 36 // http://www.w3.org/TR/pointerevents/#widl-Navigator-maxTouchPoints |
37 UI_BASE_EXPORT int MaxTouchPoints(); | 37 UI_BASE_EXPORT int MaxTouchPoints(); |
38 | 38 |
39 // Bit field values indicating available pointer types. Identical to | 39 // Bit field values indicating available pointer types. Identical to |
40 // blink::WebSettings::PointerType enums, enforced by compile-time assertions | 40 // blink::PointerType enums, enforced by compile-time assertions in |
41 // in content/public/common/web_preferences.cc . | 41 // content/public/common/web_preferences.cc . |
42 // GENERATED_JAVA_ENUM_PACKAGE: org.chromium.ui.base | 42 // GENERATED_JAVA_ENUM_PACKAGE: org.chromium.ui.base |
43 // GENERATED_JAVA_PREFIX_TO_STRIP: POINTER_TYPE_ | 43 // GENERATED_JAVA_PREFIX_TO_STRIP: POINTER_TYPE_ |
44 enum PointerType { | 44 enum PointerType { |
45 POINTER_TYPE_NONE = 1 << 0, | 45 POINTER_TYPE_NONE = 1 << 0, |
46 POINTER_TYPE_FIRST = POINTER_TYPE_NONE, | 46 POINTER_TYPE_FIRST = POINTER_TYPE_NONE, |
47 POINTER_TYPE_COARSE = 1 << 1, | 47 POINTER_TYPE_COARSE = 1 << 1, |
48 POINTER_TYPE_FINE = 1 << 2, | 48 POINTER_TYPE_FINE = 1 << 2, |
49 POINTER_TYPE_LAST = POINTER_TYPE_FINE | 49 POINTER_TYPE_LAST = POINTER_TYPE_FINE |
50 }; | 50 }; |
51 | 51 |
52 // Bit field values indicating available hover types. Identical to | 52 // Bit field values indicating available hover types. Identical to |
53 // blink::WebSettings::HoverType enums, enforced by compile-time assertions | 53 // blink::HoverType enums, enforced by compile-time assertions in |
54 // in content/public/common/web_preferences.cc . | 54 // content/public/common/web_preferences.cc . |
55 // GENERATED_JAVA_ENUM_PACKAGE: org.chromium.ui.base | 55 // GENERATED_JAVA_ENUM_PACKAGE: org.chromium.ui.base |
56 // GENERATED_JAVA_PREFIX_TO_STRIP: HOVER_TYPE_ | 56 // GENERATED_JAVA_PREFIX_TO_STRIP: HOVER_TYPE_ |
57 enum HoverType { | 57 enum HoverType { |
58 HOVER_TYPE_NONE = 1 << 0, | 58 HOVER_TYPE_NONE = 1 << 0, |
59 HOVER_TYPE_FIRST = HOVER_TYPE_NONE, | 59 HOVER_TYPE_FIRST = HOVER_TYPE_NONE, |
60 HOVER_TYPE_ON_DEMAND = 1 << 1, | 60 HOVER_TYPE_HOVER = 1 << 1, |
61 HOVER_TYPE_HOVER = 1 << 2, | |
62 HOVER_TYPE_LAST = HOVER_TYPE_HOVER | 61 HOVER_TYPE_LAST = HOVER_TYPE_HOVER |
63 }; | 62 }; |
64 | 63 |
65 UI_BASE_EXPORT std::pair<int, int> GetAvailablePointerAndHoverTypes(); | 64 UI_BASE_EXPORT std::pair<int, int> GetAvailablePointerAndHoverTypes(); |
66 UI_BASE_EXPORT PointerType GetPrimaryPointerType(int available_pointer_types); | 65 UI_BASE_EXPORT PointerType GetPrimaryPointerType(int available_pointer_types); |
67 UI_BASE_EXPORT HoverType GetPrimaryHoverType(int available_hover_types); | 66 UI_BASE_EXPORT HoverType GetPrimaryHoverType(int available_hover_types); |
68 | 67 |
69 } // namespace ui | 68 } // namespace ui |
70 | 69 |
71 #endif // UI_BASE_TOUCH_TOUCH_DEVICE_H_ | 70 #endif // UI_BASE_TOUCH_TOUCH_DEVICE_H_ |
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