content/browser/gamepad/gamepad_standard_mappings.h

   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 #ifndef CONTENT_BROWSER_GAMEPAD_GAMEPAD_STANDARD_MAPPINGS_H_
   6 #define CONTENT_BROWSER_GAMEPAD_GAMEPAD_STANDARD_MAPPINGS_H_
   7
   8 #include "base/strings/string_piece.h"
   9
  10 namespace blink {
  11 class WebGamepad;
  12 }
  13
  14 namespace content {
  15
  16 typedef void (*GamepadStandardMappingFunction)(
  17     const blink::WebGamepad& original,
  18     blink::WebGamepad* mapped);
  19
  20 GamepadStandardMappingFunction GetGamepadStandardMappingFunction(
  21     const base::StringPiece& vendor_id,
  22     const base::StringPiece& product_id);
  23
  24 // This defines our canonical mapping order for gamepad-like devices. If these
  25 // items cannot all be satisfied, it is a case-by-case judgement as to whether
  26 // it is better to leave the device unmapped, or to partially map it. In
  27 // general, err towards leaving it *unmapped* so that content can handle
  28 // appropriately.
  29
  30 enum CanonicalButtonIndex {
  31   kButtonPrimary,
  32   kButtonSecondary,
  33   kButtonTertiary,
  34   kButtonQuaternary,
  35   kButtonLeftShoulder,
  36   kButtonRightShoulder,
  37   kButtonLeftTrigger,
  38   kButtonRightTrigger,
  39   kButtonBackSelect,
  40   kButtonStart,
  41   kButtonLeftThumbstick,
  42   kButtonRightThumbstick,
  43   kButtonDpadUp,
  44   kButtonDpadDown,
  45   kButtonDpadLeft,
  46   kButtonDpadRight,
  47   kButtonMeta,
  48   kNumButtons
  49 };
  50
  51 enum CanonicalAxisIndex {
  52   kAxisLeftStickX,
  53   kAxisLeftStickY,
  54   kAxisRightStickX,
  55   kAxisRightStickY,
  56   kNumAxes
  57 };
  58
  59 }  // namespace content
  60
  61 #endif  // CONTENT_BROWSER_GAMEPAD_GAMEPAD_STANDARD_MAPPINGS_H_