root/content/renderer/pepper/usb_key_code_conversion_win.cc

DEFINITIONS

1. UsbKeyCodeForKeyboardEvent
2. CodeForKeyboardEvent

// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/renderer/pepper/usb_key_code_conversion.h"

#include "base/basictypes.h"
#include "third_party/WebKit/public/web/WebInputEvent.h"
#include "ui/events/keycodes/dom4/keycode_converter.h"

using blink::WebKeyboardEvent;

namespace content {

uint32_t UsbKeyCodeForKeyboardEvent(const WebKeyboardEvent& key_event) {
  // Extract the scancode and extended bit from the native key event's lParam.
  int scancode = (key_event.nativeKeyCode >> 16) & 0x000000FF;
  if ((key_event.nativeKeyCode & (1 << 24)) != 0)
    scancode |= 0xe000;

  ui::KeycodeConverter* key_converter = ui::KeycodeConverter::GetInstance();
  return key_converter->NativeKeycodeToUsbKeycode(scancode);
}

const char* CodeForKeyboardEvent(const WebKeyboardEvent& key_event) {
  // Extract the scancode and extended bit from the native key event's lParam.
  int scancode = (key_event.nativeKeyCode >> 16) & 0x000000FF;
  if ((key_event.nativeKeyCode & (1 << 24)) != 0)
    scancode |= 0xe000;

  ui::KeycodeConverter* key_converter = ui::KeycodeConverter::GetInstance();
  return key_converter->NativeKeycodeToCode(scancode);
}

}  // namespace content