Remove support for Windows-style keycodes.

remoting/host/event_executor_mac.cc

 // 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 "remoting/host/event_executor.h"
 
 #include <ApplicationServices/ApplicationServices.h>
 #include <Carbon/Carbon.h>
 
 #include "base/basictypes.h"
@@ skipping 59 matching lines @@
   // injection APIs.
   // If the non-deprecated injection APIs were used instead, the equivalent of
   // this line would not be needed, as OS X defaults to _not_ suppressing local
   // inputs in that case.
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wdeprecated-declarations"
   CGSetLocalEventsSuppressionInterval(0.0);
 #pragma clang diagnostic pop
 }
 
-// Hard-coded mapping from Virtual Key codes to Mac KeySyms.
-// This mapping is only valid if both client and host are using a
-// US English keyboard layout.
-// Because we're passing VK codes on the wire, with no Scancode,
-// "extended" flag, etc, things like distinguishing left & right
-// Shift keys doesn't work.
-//
-// TODO(wez): Replace this with something more closely tied to what
-// WebInputEventFactory does on Linux/GTK, and which respects the
-// host's keyboard layout.
-//
-// TODO(garykac): Remove this table once we switch to using USB
-// keycodes.
-const int kUsVkeyToKeysym[256] = {
-  // 0x00 - 0x07
-  kInvalidKeycode, kInvalidKeycode, kInvalidKeycode, kInvalidKeycode,
-  // 0x04 - 0x07
-  kInvalidKeycode, kInvalidKeycode, kInvalidKeycode, kInvalidKeycode,
-  // 0x08 - 0x0B
-  kVK_Delete, kVK_Tab, kInvalidKeycode, kInvalidKeycode,
-  // 0x0C - 0x0F
-  kInvalidKeycode, kVK_Return, kInvalidKeycode, kInvalidKeycode,
-
-  // 0x10 - 0x13
-  kVK_Shift, kVK_Control, kVK_Option, kInvalidKeycode,
-  // 0x14 - 0x17
-  kVK_CapsLock, kVK_JIS_Kana, /* VKEY_HANGUL */ kInvalidKeycode,
-  /* VKEY_JUNJA */ kInvalidKeycode,
-  // 0x18 - 0x1B
-  /* VKEY_FINAL */ kInvalidKeycode, /* VKEY_Kanji */ kInvalidKeycode,
-  kInvalidKeycode, kVK_Escape,
-  // 0x1C - 0x1F
-  /* VKEY_CONVERT */ kInvalidKeycode, /* VKEY_NONCONVERT */ kInvalidKeycode,
-  /* VKEY_ACCEPT */ kInvalidKeycode, /* VKEY_MODECHANGE */ kInvalidKeycode,
-
-  // 0x20 - 0x23
-  kVK_Space, kVK_PageUp, kVK_PageDown, kVK_End,
-  // 0x24 - 0x27
-  kVK_Home, kVK_LeftArrow, kVK_UpArrow, kVK_RightArrow,
-  // 0x28 - 0x2B
-  kVK_DownArrow, /* VKEY_SELECT */ kInvalidKeycode,
-  /* VKEY_PRINT */ kInvalidKeycode, /* VKEY_EXECUTE */ kInvalidKeycode,
-  // 0x2C - 0x2F
-  /* VKEY_SNAPSHOT */ kInvalidKeycode, /* XK_INSERT */ kInvalidKeycode,
-  kVK_ForwardDelete, kVK_Help,
-
-  // 0x30 - 0x33
-  kVK_ANSI_0, kVK_ANSI_1, kVK_ANSI_2, kVK_ANSI_3,
-  // 0x34 - 0x37
-  kVK_ANSI_4, kVK_ANSI_5, kVK_ANSI_6, kVK_ANSI_7,
-  // 0x38 - 0x3B
-  kVK_ANSI_8, kVK_ANSI_9, kInvalidKeycode, kInvalidKeycode,
-  // 0x3C - 0x3F
-  kInvalidKeycode, kInvalidKeycode, kInvalidKeycode, kInvalidKeycode,
-
-  // 0x40 - 0x43
-  kInvalidKeycode, kVK_ANSI_A, kVK_ANSI_B, kVK_ANSI_C,
-  // 0x44 - 0x47
-  kVK_ANSI_D, kVK_ANSI_E, kVK_ANSI_F, kVK_ANSI_G,
-  // 0x48 - 0x4B
-  kVK_ANSI_H, kVK_ANSI_I, kVK_ANSI_J, kVK_ANSI_K,
-  // 0x4C - 0x4F
-  kVK_ANSI_L, kVK_ANSI_M, kVK_ANSI_N, kVK_ANSI_O,
-
-  // 0x50 - 0x53
-  kVK_ANSI_P, kVK_ANSI_Q, kVK_ANSI_R, kVK_ANSI_S,
-  // 0x54 - 0x57
-  kVK_ANSI_T, kVK_ANSI_U, kVK_ANSI_V, kVK_ANSI_W,
-  // 0x58 - 0x5B
-  kVK_ANSI_X, kVK_ANSI_Y, kVK_ANSI_Z, kVK_Command,
-  // 0x5C - 0x5F
-  kVK_Command, kVK_Command, kInvalidKeycode, /* VKEY_SLEEP */ kInvalidKeycode,
-
-  // 0x60 - 0x63
-  kVK_ANSI_Keypad0, kVK_ANSI_Keypad1, kVK_ANSI_Keypad2, kVK_ANSI_Keypad3,
-  // 0x64 - 0x67
-  kVK_ANSI_Keypad4, kVK_ANSI_Keypad5, kVK_ANSI_Keypad6, kVK_ANSI_Keypad7,
-  // 0x68 - 0x6B
-  kVK_ANSI_Keypad8, kVK_ANSI_Keypad9, kVK_ANSI_KeypadMultiply,
-  kVK_ANSI_KeypadPlus,
-  // 0x6C - 0x6F
-  /* VKEY_SEPARATOR */ kInvalidKeycode, kVK_ANSI_KeypadMinus,
-  kVK_ANSI_KeypadDecimal, kVK_ANSI_KeypadDivide,
-
-  // 0x70 - 0x73
-  kVK_F1, kVK_F2, kVK_F3, kVK_F4,
-  // 0x74 - 0x77
-  kVK_F5, kVK_F6, kVK_F7, kVK_F8,
-  // 0x78 - 0x7B
-  kVK_F9, kVK_F10, kVK_F11, kVK_F12,
-  // 0x7C - 0x7F
-  kVK_F13, kVK_F14, kVK_F15, kVK_F16,
-
-  // 0x80 - 0x83
-  kVK_F17, kVK_F18, kVK_F19, kVK_F20,
-  // 0x84 - 0x87
-  /* VKEY_F21 */ kInvalidKeycode, /* VKEY_F22 */ kInvalidKeycode,
-  /* VKEY_F23 */ kInvalidKeycode, /* XKEY_F24 */ kInvalidKeycode,
-  // 0x88 - 0x8B
-  kInvalidKeycode, kInvalidKeycode, kInvalidKeycode, kInvalidKeycode,
-  // 0x8C - 0x8F
-  kInvalidKeycode, kInvalidKeycode, kInvalidKeycode, kInvalidKeycode,
-
-  // 0x90 - 0x93
-  /* VKEY_NUMLOCK */ kInvalidKeycode, /* VKEY_SCROLL */ kInvalidKeycode,
-  kInvalidKeycode, kInvalidKeycode,
-  // 0x94 - 0x97
-  kInvalidKeycode, kInvalidKeycode, kInvalidKeycode, kInvalidKeycode,
-  // 0x98 - 0x9B
-  kInvalidKeycode, kInvalidKeycode, kInvalidKeycode, kInvalidKeycode,
-  // 0x9C - 0x9F
-  kInvalidKeycode, kInvalidKeycode, kInvalidKeycode, kInvalidKeycode,
-
-  // 0xA0 - 0xA3
-  kVK_Shift, kVK_RightShift, kVK_Control, kVK_RightControl,
-  // 0xA4 - 0xA7
-  kVK_Option, kVK_RightOption,
-  /* XF86kVK_Back */ kInvalidKeycode, /* XF86kVK_Forward */ kInvalidKeycode,
-  // 0xA8 - 0xAB
-  /* XF86kVK_Refresh */ kInvalidKeycode, /* XF86kVK_Stop */ kInvalidKeycode,
-  /* XF86kVK_Search */ kInvalidKeycode,
-  /* XF86kVK_Favorites */ kInvalidKeycode,
-  // 0xAC - 0xAF
-  /* XF86kVK_HomePage */ kInvalidKeycode, kVK_Mute, kVK_VolumeDown,
-  kVK_VolumeUp,
-
-  // 0xB0 - 0xB3
-  /* XF86kVK_AudioNext */ kInvalidKeycode,
-  /* XF86kVK_AudioPrev */ kInvalidKeycode,
-  /* XF86kVK_AudioStop */ kInvalidKeycode,
-  /* XF86kVK_AudioPause */ kInvalidKeycode,
-  // 0xB4 - 0xB7
-  /* XF86kVK_Mail */ kInvalidKeycode, /* XF86kVK_AudioMedia */ kInvalidKeycode,
-  /* XF86kVK_Launch0 */ kInvalidKeycode, /* XF86kVK_Launch1 */ kInvalidKeycode,
-  // 0xB8 - 0xBB
-  kInvalidKeycode, kInvalidKeycode, kVK_ANSI_Semicolon, kVK_ANSI_Equal,
-  // 0xBC - 0xBF
-  kVK_ANSI_Comma, kVK_ANSI_Minus, kVK_ANSI_Period, kVK_ANSI_Slash,
-
-  // 0xC0 - 0xC3
-  kVK_ANSI_Grave, kInvalidKeycode, kInvalidKeycode, kInvalidKeycode,
-  // 0xC4 - 0xC7
-  kInvalidKeycode, kInvalidKeycode, kInvalidKeycode, kInvalidKeycode,
-  // 0xC8 - 0xCB
-  kInvalidKeycode, kInvalidKeycode, kInvalidKeycode, kInvalidKeycode,
-  // 0xCC - 0xCF
-  kInvalidKeycode, kInvalidKeycode, kInvalidKeycode, kInvalidKeycode,
-
-  // 0xD0 - 0xD3
-  kInvalidKeycode, kInvalidKeycode, kInvalidKeycode, kInvalidKeycode,
-  // 0xD4 - 0xD7
-  kInvalidKeycode, kInvalidKeycode, kInvalidKeycode, kInvalidKeycode,
-  // 0xD8 - 0xDB
-  kInvalidKeycode, kInvalidKeycode, kInvalidKeycode, kVK_ANSI_LeftBracket,
-  // 0xDC - 0xDF
-  kVK_ANSI_Backslash, kVK_ANSI_RightBracket, kVK_ANSI_Quote,
-  /* VKEY_OEM_8 */ kInvalidKeycode,
-
-  // 0xE0 - 0xE3
-  kInvalidKeycode, kInvalidKeycode, /* VKEY_OEM_102 */ kInvalidKeycode,
-  kInvalidKeycode,
-  // 0xE4 - 0xE7
-  kInvalidKeycode, /* VKEY_PROCESSKEY */ kInvalidKeycode, kInvalidKeycode,
-  /* VKEY_PACKET */ kInvalidKeycode,
-  // 0xE8 - 0xEB
-  kInvalidKeycode, kInvalidKeycode, kInvalidKeycode, kInvalidKeycode,
-  // 0xEC - 0xEF
-  kInvalidKeycode, kInvalidKeycode, kInvalidKeycode, kInvalidKeycode,
-
-  // 0xF0 - 0xF3
-  kInvalidKeycode, kInvalidKeycode, kInvalidKeycode, kInvalidKeycode,
-  // 0xF4 - 0xF7
-  kInvalidKeycode, kInvalidKeycode, /* VKEY_ATTN */ kInvalidKeycode,
-  /* VKEY_CRSEL */ kInvalidKeycode,
-  // 0xF8 - 0xFB
-  /* VKEY_EXSEL */ kInvalidKeycode, /* VKEY_EREOF */ kInvalidKeycode,
-  /* VKEY_PLAY */ kInvalidKeycode, /* VKEY_ZOOM */ kInvalidKeycode,
-  // 0xFC - 0xFF
-  /* VKEY_NONAME */ kInvalidKeycode, /* VKEY_PA1 */ kInvalidKeycode,
-  /* VKEY_OEM_CLEAR */ kInvalidKeycode, kInvalidKeycode
-};
-
 void EventExecutorMac::InjectClipboardEvent(const ClipboardEvent& event) {
   if (!task_runner_->BelongsToCurrentThread()) {
     task_runner_->PostTask(
         FROM_HERE,
         base::Bind(&EventExecutorMac::InjectClipboardEvent,
                    base::Unretained(this),
                    event));
     return;
   }
 
   clipboard_->InjectClipboardEvent(event);
 }
 
 void EventExecutorMac::InjectKeyEvent(const KeyEvent& event) {
   // HostEventDispatcher should filter events missing the pressed field.
   DCHECK(event.has_pressed());
+  DCHECK(event.has_usb_keycode());
 
-  int keycode = kInvalidKeycode;
-  if (event.has_usb_keycode()) {
-    keycode = UsbKeycodeToNativeKeycode(event.usb_keycode());
-    VLOG(3) << "Converting USB keycode: " << std::hex << event.usb_keycode()
-            << " to keycode: " << keycode << std::dec;
-  } else if (event.has_keycode()) {
-    int win_keycode = event.keycode();
-    if (win_keycode >= 0 && win_keycode < 256) {
-      keycode = kUsVkeyToKeysym[win_keycode];
-    }
-    VLOG(3) << "Converting VKEY: " << std::hex << event.keycode()
-            << " to keycode: " << keycode << std::dec;
-  }
+  int keycode = UsbKeycodeToNativeKeycode(event.usb_keycode());
+
+  VLOG(3) << "Converting USB keycode: " << std::hex << event.usb_keycode()
+          << " to keycode: " << keycode << std::dec;
 
   // If we couldn't determine the Mac virtual key code then ignore the event.
   if (keycode == kInvalidKeycode)
     return;
 
   // We use the deprecated event injection API because the new one doesn't
   // work with switched-out sessions (curtain mode).
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wdeprecated-declarations"
   CGError error = CGPostKeyboardEvent(0, keycode, event.pressed());
@@ skipping 89 matching lines @@
 
 }  // namespace
 
 scoped_ptr<EventExecutor> EventExecutor::Create(
     scoped_refptr<base::SingleThreadTaskRunner> main_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner) {
   return scoped_ptr<EventExecutor>(new EventExecutorMac(main_task_runner));
 }
 
 }  // namespace remoting