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#ifndef CONTENT_RENDERER_PEPPER_USB_KEY_CODE_CONVERSION_H_
6#define CONTENT_RENDERER_PEPPER_USB_KEY_CODE_CONVERSION_H_
7
8#include "ppapi/c/pp_stdint.h"
9
10namespace blink {
11class WebKeyboardEvent;
12}  // namespace blink
13
14namespace content {
15
16// Returns a 32-bit "USB Key Code" for the key identifier by the supplied
17// WebKeyboardEvent. The supplied event must be a KeyDown or KeyUp.
18// The code consists of the USB Page (in the high-order 16-bit word) and
19// USB Usage Id of the key.  If no translation can be performed then zero
20// is returned.
21uint32_t UsbKeyCodeForKeyboardEvent(const blink::WebKeyboardEvent& key_event);
22
23// Returns a string that represents the UI Event |code| parameter as specified
24// in http://www.w3.org/TR/uievents/
25const char* CodeForKeyboardEvent(const blink::WebKeyboardEvent& key_event);
26
27}  // namespace content
28
29#endif  // CONTENT_RENDERER_PEPPER_USB_KEY_CODE_CONVERSION_H_
30