content/renderer/pepper/usb_key_code_conversion_win.cc

   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 #include "content/renderer/pepper/usb_key_code_conversion.h"
   6
   7 #include "base/basictypes.h"
   8 #include "third_party/WebKit/public/web/WebInputEvent.h"
   9 #include "ui/events/keycodes/dom4/keycode_converter.h"
  10
  11 using blink::WebKeyboardEvent;
  12
  13 namespace content {
  14
  15 uint32_t UsbKeyCodeForKeyboardEvent(const WebKeyboardEvent& key_event) {
  16   // Extract the scancode and extended bit from the native key event's lParam.
  17   int scancode = (key_event.nativeKeyCode >> 16) & 0x000000FF;
  18   if ((key_event.nativeKeyCode & (1 << 24)) != 0)
  19     scancode |= 0xe000;
  20
  21   return ui::KeycodeConverter::NativeKeycodeToUsbKeycode(scancode);
  22 }
  23
  24 const char* CodeForKeyboardEvent(const WebKeyboardEvent& key_event) {
  25   // Extract the scancode and extended bit from the native key event's lParam.
  26   int scancode = (key_event.nativeKeyCode >> 16) & 0x000000FF;
  27   if ((key_event.nativeKeyCode & (1 << 24)) != 0)
  28     scancode |= 0xe000;
  29
  30   return ui::KeycodeConverter::NativeKeycodeToCode(scancode);
  31 }
  32
  33 }  // namespace content