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