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// 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 "webkit/plugins/ppapi/usb_key_code_conversion.h"
#include "base/basictypes.h"
#include "base/logging.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h"
using WebKit::WebKeyboardEvent;
namespace webkit {
namespace ppapi {
namespace {
// Mapping from 8-bit xkb scancode to 32-bit USB Usage Page and Id.
//
// TODO(garykac): This table covers only USB HID Boot Protocol. The keys
// marked with '???' should be extended (e.g. with "media keys"), or derived
// automatically from the USB-to-linux keycode mapping.
uint32_t linux_xkb_code_to_usb[] = {
// 00-04: unused
0x000000, 0x000000, 0x000000, 0x000000,
// 04-07: unused
0x000000, 0x000000, 0x000000, 0x000000,
// 08-0b: unused Escape 1! 2@
0x000000, 0x070029, 0x07001e, 0x07001f,
// 0c-0f: 3# 4$ 5% 6^
0x070020, 0x070021, 0x070022, 0x070023,
// 10-13: 7& 8* 9( 0)
0x070024, 0x070025, 0x070026, 0x070027,
// 14-17: -_ =+ Backspace Tab
0x07002d, 0x07002e, 0x07002a, 0x07002b,
// 18-1b: qQ wW eE rR
0x070014, 0x07001a, 0x070008, 0x070015,
// 1c-1f: tT yY uU iI
0x070017, 0x07001c, 0x070018, 0x07000c,
// 20-23: oO pP [{ ]}
0x070012, 0x070013, 0x07002f, 0x070030,
// 24-27: Return LeftControl aA sS
0x070028, 0x0700e0, 0x070004, 0x070016,
// 28-2b: dD fF gG hH
0x070007, 0x070009, 0x07000a, 0x07000b,
// 2c-2f: jJ kK lL ;:
0x07000d, 0x07000e, 0x07000f, 0x070033,
// 30-33: '" `~ LeftShift \|
0x070034, 0x070035, 0x0700e1, 0x070031,
// 34-37: zZ xX cC vV
0x07001d, 0x07001b, 0x070006, 0x070019,
// 38-3b: bB nN mM ,<
0x070005, 0x070011, 0x070010, 0x070036,
// 3c-3f: .> /? RightShift Keypad_*
0x070037, 0x070038, 0x0700e5, 0x070055,
// 40-43: LeftAlt Space CapsLock F1
0x0700e2, 0x07002c, 0x070039, 0x07003a,
// 44-47: F2 F3 F4 F5
0x07003b, 0x07003c, 0x07003d, 0x07003e,
// 48-4b: F6 F7 F8 F9
0x07003f, 0x070040, 0x070041, 0x070042,
// 4c-4f: F10 NumLock ScrollLock Keypad_7
0x070043, 0x070053, 0x070047, 0x07005f,
// 50-53: Keypad_8 Keypad_9 Keypad_- Keypad_4
0x070060, 0x070061, 0x070056, 0x07005c,
// 54-57: Keypad_5 Keypad_6 Keypad_+ Keypad_1
0x07005d, 0x07005e, 0x070057, 0x070059,
// 58-5b: Keypad_2 Keypad_3 Keypad_0 Keypad_.
0x07005a, 0x07005b, 0x070062, 0x070063,
// 5c-5f: ISO_Level3_Shift unused <>|| F11
// For 5e, consider USB#0064 : Non-US \ and |
0x000000, 0x000000, 0x000000, 0x070044,
// 60-63: F12 unused Katakana Hiragana
0x070045, 0x000000, 0x070092, 0x070093,
// 64-67: Henkan Hiragana_Katakana Muhenkan unused
0x070094, 0x070088, 0x07008b, 0x000000,
// 68-6b: Keypad_Enter RightControl Keypad_/ Print/SysReq
// For 6b, USB#0046 is PrintScreen, USB#009a is SysReq/Attention
0x070058, 0x0700e4, 0x070054, 0x070046,
// 6c-6f: RightAlt Linefeed Home UpArrow
0x0700e6, 0x000000, 0x07004a, 0x070052,
// 70-73: PageUp/Prior LeftArrow RightArrow End
0x07004b, 0x070050, 0x07004f, 0x07004d,
// 74-77: DownArrow PageDown/Next Insert Delete/ForwardDelete
0x070051, 0x07004e, 0x070049, 0x07004c,
// 78-7b: unused Mute VolumeDown VolumeUp
0x000000, 0x07007f, 0x070081, 0x070080,
// 7c-7f: PowerOff Keypad_= Keypad_+- Pause/Break
0x070066, 0x070067, 0x0700d7, 0x070048,
// 80-83: LaunchA Keypad_Decimal HangulToggle HanjaConversion
// For 81, cf. 5b: Keypad_.
0x000000, 0x0700dc, 0x070090, 0x070091,
// 84-87: unused LeftSuper/LeftWin RightSuper/RightWin Menu
0x000000, 0x0700e3, 0x0700e7, 0x070065,
// 88-8b: Cancel Again/Redo CrSel/Props Undo
0x07009b, 0x070079, 0x0700a3, 0x07007a,
// 8c-8f: SunFront Copy SunOpen Paste
0x000000, 0x07007c, 0x000000, 0x07007d,
// 90-93: Find Cut Help MenuKB
// For 93, cf. 87 (Menu) and c1 (MenuKB)
0x07007e, 0x07007b, 0x070075, 0x000000,
// 94-97: AL_Calculator unused Sleep WakeUp
0x0c0192, 0x000000, 0x000000, 0x000000,
// 98-9b: Explorer Send unused Xfer
0x000000, 0x000000, 0x000000, 0x000000,
// 9c-9f: Launch1 Launch2 WWW DOS
0x000000, 0x000000, 0x000000, 0x000000,
// a0-a3: ScreenSaver unused RotateWindows Mail
0x000000, 0x000000, 0x000000, 0x000000,
// a4-a7: Favorites MyComputer Back Forward
0x000000, 0x000000, 0x000000, 0x000000,
// a8-ab: unused Eject Eject AudioNext
0x000000, 0x000000, 0x000000, 0x000000,
// ac-af: AudioPlay AudioPrev AudioStop AudioRecord
0x000000, 0x000000, 0x000000, 0x000000,
// b0-b3: AudioRewind Phone unused Tools
0x000000, 0x000000, 0x000000, 0x000000,
// b4-b7: HomePage Reload Close unused
0x000000, 0x000000, 0x000000, 0x000000,
// b8-bb: unused ScrollUp ScrollDown (
// For bb, mapped to Keypad_(
0x000000, 0x000000, 0x000000, 0x0700b6,
// bc-bf: ) New Redo Tools
// For bc, mapped to Keypad_)
0x0700b7, 0x000000, 0x000000, 0x000000,
// c0-c3: Launch5 MenuKB unused unused
0x000000, 0x000000, 0x000000, 0x000000,
// c4-c7: unused
0x000000, 0x000000, 0x000000, 0x000000,
// c8-cb: TouchpadToggle unused unused ModeSwitch
0x000000, 0x000000, 0x000000, 0x000000,
// cc-cf: Generates no symbol without Shift.
// With shift: LeftAlt LeftMeta LeftSuper LeftHyper.
0x000000, 0x000000, 0x000000, 0x000000,
// d0-d3: AudioPlay AudioPause Launch3 Launch4
0x000000, 0x000000, 0x000000, 0x000000,
// d4-d7: LaunchB Suspend Close AudioPlay
0x000000, 0x000000, 0x000000, 0x000000,
// d8-db: AudioForward unused Print unused
0x000000, 0x000000, 0x000000, 0x000000,
// dc-df: WebCam unused unused Mail
0x000000, 0x000000, 0x000000, 0x000000,
// e0-e3: unused Search unused AL_Finance
0x000000, 0x000000, 0x000000, 0x0c0191,
// e4-e7: unused Shop unused Cancel
0x000000, 0x000000, 0x000000, 0x000000,
// e8-eb: MonBrightnessDown MonBrightnessUp AudioMedia Display
0x000000, 0x000000, 0x000000, 0x000000,
// ec-ef: KbdLightOnOff KbdBightnessDown KdbBrightnessUp Send
0x000000, 0x000000, 0x000000, 0x000000,
// f0-f3: Reply MailForward Save Documents
0x000000, 0x000000, 0x000000, 0x000000,
// f4-f7: Battery Bluetooth WLAN unused
0x000000, 0x000000, 0x000000, 0x000000,
// f8-fb: unused
0x000000, 0x000000, 0x000000, 0x000000,
// fc-ff: unused
0x000000, 0x000000, 0x000000, 0x000000
};
COMPILE_ASSERT(arraysize(linux_xkb_code_to_usb) == 256,
linux_xkb_code_to_usb_table_incorrect_size);
} // anonymous namespace
uint32_t UsbKeyCodeForKeyboardEvent(const WebKeyboardEvent& key_event) {
// TODO(garykac): This code assumes that on Linux we're receiving events via
// the XKB driver. We should detect between "XKB", "kbd" and "evdev" at
// run-time and re-map accordingly, but that's not possible here, inside the
// sandbox.
if (key_event.nativeKeyCode < 0 || key_event.nativeKeyCode > 255) {
return 0;
}
return linux_xkb_code_to_usb[key_event.nativeKeyCode];
}
} // namespace ppapi
} // namespace webkit
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