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 10 namespace blink { 11 class WebKeyboardEvent; 12 } // namespace blink 13 14 namespace 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. 21 uint32_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/ 25 const char* CodeForKeyboardEvent(const blink::WebKeyboardEvent& key_event); 26 27 } // namespace content 28 29 #endif // CONTENT_RENDERER_PEPPER_USB_KEY_CODE_CONVERSION_H_ 30