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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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_EVENTS_KEYCODES_DOM4_KEYCODE_CONVERTER_H_ | 5 #ifndef UI_EVENTS_KEYCODES_DOM4_KEYCODE_CONVERTER_H_ |
6 #define UI_EVENTS_KEYCODES_DOM4_KEYCODE_CONVERTER_H_ | 6 #define UI_EVENTS_KEYCODES_DOM4_KEYCODE_CONVERTER_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
10 | 10 |
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38 } KeycodeMapEntry; | 38 } KeycodeMapEntry; |
39 | 39 |
40 // A class to convert between the current platform's native keycode (scancode) | 40 // A class to convert between the current platform's native keycode (scancode) |
41 // and platform-neutral |code| values (as defined in the W3C UI Events | 41 // and platform-neutral |code| values (as defined in the W3C UI Events |
42 // spec (http://www.w3.org/TR/uievents/). | 42 // spec (http://www.w3.org/TR/uievents/). |
43 class KeycodeConverter { | 43 class KeycodeConverter { |
44 public: | 44 public: |
45 // Return the value that identifies an invalid native keycode. | 45 // Return the value that identifies an invalid native keycode. |
46 static int InvalidNativeKeycode(); | 46 static int InvalidNativeKeycode(); |
47 | 47 |
48 // Convert a native (Mac/Win/Linux) keycode into the |code| string. | |
49 // The returned pointer references a static global string. | |
50 static const char* NativeKeycodeToCode(int native_keycode); | |
51 | |
52 // Convert a native (Mac/Win/Linux) keycode into a DomCode. | 48 // Convert a native (Mac/Win/Linux) keycode into a DomCode. |
53 static DomCode NativeKeycodeToDomCode(int native_keycode); | 49 static DomCode NativeKeycodeToDomCode(int native_keycode); |
54 | 50 |
55 // Convert a UI Events |code| string value into a native keycode. | |
56 static int CodeToNativeKeycode(const char* code); | |
57 | |
58 // Convert a DomCode into a native keycode. | 51 // Convert a DomCode into a native keycode. |
59 static int DomCodeToNativeKeycode(DomCode code); | 52 static int DomCodeToNativeKeycode(DomCode code); |
60 | 53 |
61 // Convert a UI Events |code| string value into a DomCode. | 54 // Convert a UI Events |code| string value into a DomCode. |
62 static DomCode CodeStringToDomCode(const char* code); | 55 static DomCode CodeStringToDomCode(const char* code); |
63 | 56 |
64 // Convert a DomCode into a UI Events |code| string value. | 57 // Convert a DomCode into a UI Events |code| string value. |
65 static const char* DomCodeToCodeString(DomCode dom_code); | 58 static const char* DomCodeToCodeString(DomCode dom_code); |
66 | 59 |
67 // Return the DomKeyLocation of a DomCode. The DomKeyLocation distinguishes | 60 // Return the DomKeyLocation of a DomCode. The DomKeyLocation distinguishes |
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81 | 74 |
82 // Return the value that identifies an invalid USB keycode. | 75 // Return the value that identifies an invalid USB keycode. |
83 static uint32_t InvalidUsbKeycode(); | 76 static uint32_t InvalidUsbKeycode(); |
84 | 77 |
85 // Convert a USB keycode into an equivalent platform native keycode. | 78 // Convert a USB keycode into an equivalent platform native keycode. |
86 static int UsbKeycodeToNativeKeycode(uint32_t usb_keycode); | 79 static int UsbKeycodeToNativeKeycode(uint32_t usb_keycode); |
87 | 80 |
88 // Convert a platform native keycode into an equivalent USB keycode. | 81 // Convert a platform native keycode into an equivalent USB keycode. |
89 static uint32_t NativeKeycodeToUsbKeycode(int native_keycode); | 82 static uint32_t NativeKeycodeToUsbKeycode(int native_keycode); |
90 | 83 |
91 // Convert a USB keycode into the string with the DOM3 |code| value. | |
92 // The returned pointer references a static global string. | |
93 static const char* UsbKeycodeToCode(uint32_t usb_keycode); | |
94 | |
95 // Convert a USB keycode into a DomCode. | 84 // Convert a USB keycode into a DomCode. |
96 static DomCode UsbKeycodeToDomCode(uint32_t usb_keycode); | 85 static DomCode UsbKeycodeToDomCode(uint32_t usb_keycode); |
97 | 86 |
| 87 // Convert a DomCode into a USB keycode. |
| 88 static uint32_t DomCodeToUsbKeycode(DomCode dom_code); |
| 89 |
98 // Convert a DOM3 Event |code| string into a USB keycode value. | 90 // Convert a DOM3 Event |code| string into a USB keycode value. |
99 static uint32_t CodeToUsbKeycode(const char* code); | 91 static uint32_t CodeToUsbKeycode(const char* code); |
100 | 92 |
101 // Static methods to support testing. | 93 // Static methods to support testing. |
102 static size_t NumKeycodeMapEntriesForTest(); | 94 static size_t NumKeycodeMapEntriesForTest(); |
103 static const KeycodeMapEntry* GetKeycodeMapForTest(); | 95 static const KeycodeMapEntry* GetKeycodeMapForTest(); |
104 static const char* DomKeyStringForTest(size_t index); | 96 static const char* DomKeyStringForTest(size_t index); |
105 | 97 |
106 private: | 98 private: |
107 DISALLOW_COPY_AND_ASSIGN(KeycodeConverter); | 99 DISALLOW_COPY_AND_ASSIGN(KeycodeConverter); |
108 }; | 100 }; |
109 | 101 |
110 } // namespace ui | 102 } // namespace ui |
111 | 103 |
112 #endif // UI_EVENTS_KEYCODES_DOM4_KEYCODE_CONVERTER_H_ | 104 #endif // UI_EVENTS_KEYCODES_DOM4_KEYCODE_CONVERTER_H_ |
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