content/browser/renderer_host/input/web_input_event_util.cc

   1 // Copyright 2013 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/browser/renderer_host/input/web_input_event_util.h"
   6
   7 #include "base/strings/string_util.h"
   8 #include "third_party/WebKit/public/web/WebInputEvent.h"
   9
  10 namespace {
  11
  12 const char* GetKeyIdentifier(ui::KeyboardCode key_code) {
  13   switch (key_code) {
  14     case ui::VKEY_MENU:
  15       return "Alt";
  16     case ui::VKEY_CONTROL:
  17       return "Control";
  18     case ui::VKEY_SHIFT:
  19       return "Shift";
  20     case ui::VKEY_CAPITAL:
  21       return "CapsLock";
  22     case ui::VKEY_LWIN:
  23     case ui::VKEY_RWIN:
  24       return "Win";
  25     case ui::VKEY_CLEAR:
  26       return "Clear";
  27     case ui::VKEY_DOWN:
  28       return "Down";
  29     case ui::VKEY_END:
  30       return "End";
  31     case ui::VKEY_RETURN:
  32       return "Enter";
  33     case ui::VKEY_EXECUTE:
  34       return "Execute";
  35     case ui::VKEY_F1:
  36       return "F1";
  37     case ui::VKEY_F2:
  38       return "F2";
  39     case ui::VKEY_F3:
  40       return "F3";
  41     case ui::VKEY_F4:
  42       return "F4";
  43     case ui::VKEY_F5:
  44       return "F5";
  45     case ui::VKEY_F6:
  46       return "F6";
  47     case ui::VKEY_F7:
  48       return "F7";
  49     case ui::VKEY_F8:
  50       return "F8";
  51     case ui::VKEY_F9:
  52       return "F9";
  53     case ui::VKEY_F10:
  54       return "F10";
  55     case ui::VKEY_F11:
  56       return "F11";
  57     case ui::VKEY_F12:
  58       return "F12";
  59     case ui::VKEY_F13:
  60       return "F13";
  61     case ui::VKEY_F14:
  62       return "F14";
  63     case ui::VKEY_F15:
  64       return "F15";
  65     case ui::VKEY_F16:
  66       return "F16";
  67     case ui::VKEY_F17:
  68       return "F17";
  69     case ui::VKEY_F18:
  70       return "F18";
  71     case ui::VKEY_F19:
  72       return "F19";
  73     case ui::VKEY_F20:
  74       return "F20";
  75     case ui::VKEY_F21:
  76       return "F21";
  77     case ui::VKEY_F22:
  78       return "F22";
  79     case ui::VKEY_F23:
  80       return "F23";
  81     case ui::VKEY_F24:
  82       return "F24";
  83     case ui::VKEY_HELP:
  84       return "Help";
  85     case ui::VKEY_HOME:
  86       return "Home";
  87     case ui::VKEY_INSERT:
  88       return "Insert";
  89     case ui::VKEY_LEFT:
  90       return "Left";
  91     case ui::VKEY_NEXT:
  92       return "PageDown";
  93     case ui::VKEY_PRIOR:
  94       return "PageUp";
  95     case ui::VKEY_PAUSE:
  96       return "Pause";
  97     case ui::VKEY_SNAPSHOT:
  98       return "PrintScreen";
  99     case ui::VKEY_RIGHT:
 100       return "Right";
 101     case ui::VKEY_SCROLL:
 102       return "Scroll";
 103     case ui::VKEY_SELECT:
 104       return "Select";
 105     case ui::VKEY_UP:
 106       return "Up";
 107     case ui::VKEY_DELETE:
 108       return "U+007F"; // Standard says that DEL becomes U+007F.
 109     case ui::VKEY_MEDIA_NEXT_TRACK:
 110       return "MediaNextTrack";
 111     case ui::VKEY_MEDIA_PREV_TRACK:
 112       return "MediaPreviousTrack";
 113     case ui::VKEY_MEDIA_STOP:
 114       return "MediaStop";
 115     case ui::VKEY_MEDIA_PLAY_PAUSE:
 116       return "MediaPlayPause";
 117     case ui::VKEY_VOLUME_MUTE:
 118       return "VolumeMute";
 119     case ui::VKEY_VOLUME_DOWN:
 120       return "VolumeDown";
 121     case ui::VKEY_VOLUME_UP:
 122       return "VolumeUp";
 123     default:
 124       return NULL;
 125   };
 126 }
 127
 128 }  // namespace
 129
 130 namespace content {
 131
 132 void UpdateWindowsKeyCodeAndKeyIdentifier(blink::WebKeyboardEvent* event,
 133                                           ui::KeyboardCode windows_key_code) {
 134   event->windowsKeyCode = windows_key_code;
 135
 136   const char* id = GetKeyIdentifier(windows_key_code);
 137   if (id) {
 138     base::strlcpy(event->keyIdentifier, id, sizeof(event->keyIdentifier) - 1);
 139   } else {
 140     base::snprintf(event->keyIdentifier, sizeof(event->keyIdentifier), "U+%04X",
 141                    base::ToUpperASCII(static_cast<int>(windows_key_code)));
 142   }
 143 }
 144
 145 }  // namespace content