Add gamepad mapping for XFXforce XGEAR PS2 Controller on Linux

content/browser/gamepad/gamepad_standard_mappings_linux.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 "content/browser/gamepad/gamepad_standard_mappings.h"
 
 #include "content/common/gamepad_hardware_buffer.h"
 
 namespace content {
 
@@ skipping 72 matching lines @@
   mapped->buttons[kButtonDpadUp] = AxisToButton(input.axes[8]);
   mapped->buttons[kButtonDpadDown] = AxisToButton(input.axes[10]);
   mapped->buttons[kButtonDpadLeft] = input.buttons[7];
   mapped->buttons[kButtonDpadRight] = AxisToButton(input.axes[9]);
   mapped->buttons[kButtonMeta] = input.buttons[16];
 
   mapped->buttonsLength = kNumButtons;
   mapped->axesLength = kNumAxes;
 }
 
+void MapperXGEAR(
+    const WebKit::WebGamepad& input,
+    WebKit::WebGamepad* mapped) {
+  *mapped = input;
+  mapped->buttons[kButtonPrimary] = input.buttons[2];
+  mapped->buttons[kButtonSecondary] = input.buttons[1];
+  mapped->buttons[kButtonTertiary] = input.buttons[3];
+  mapped->buttons[kButtonQuaternary] = input.buttons[0];
+  mapped->buttons[kButtonLeftShoulder] = input.buttons[6];
+  mapped->buttons[kButtonRightShoulder] = input.buttons[7];
+  mapped->buttons[kButtonLeftTrigger] = input.buttons[4];
+  mapped->buttons[kButtonRightTrigger] = input.buttons[5];
+  mapped->buttons[kButtonDpadUp] = AxisNegativeAsButton(input.axes[5]);
+  mapped->buttons[kButtonDpadDown] = AxisPositiveAsButton(input.axes[5]);
+  mapped->buttons[kButtonDpadLeft] = AxisNegativeAsButton(input.axes[4]);
+  mapped->buttons[kButtonDpadRight] = AxisPositiveAsButton(input.axes[4]);
+  mapped->axes[kAxisRightStickX] = input.axes[3];
+  mapped->axes[kAxisRightStickY] = input.axes[2];
+  mapped->buttonsLength = kNumButtons - 1; // no Meta on this device
+  mapped->axesLength = kNumAxes;
+}
+
+
 struct MappingData {
   const char* const vendor_id;
   const char* const product_id;
   GamepadStandardMappingFunction function;
 } AvailableMappings[] = {
   // http://www.linux-usb.org/usb.ids
   { "045e", "028e", MapperXInputStyleGamepad }, // Xbox 360 Controller
   { "045e", "028f", MapperXInputStyleGamepad }, // Xbox 360 Wireless Controller
   { "046d", "c21d", MapperXInputStyleGamepad }, // Logitech F310
   { "046d", "c21e", MapperXInputStyleGamepad }, // Logitech F510
   { "046d", "c21f", MapperXInputStyleGamepad }, // Logitech F710
   { "054c", "0268", MapperPlaystationSixAxis }, // Playstation SIXAXIS
   { "0925", "8866", MapperMP8866 }, // WiseGroup MP-8866
+  { "0e8f", "0003", MapperXGEAR }, // XFXforce XGEAR PS2 Controller
 };
 
 }  // namespace
 
 GamepadStandardMappingFunction GetGamepadStandardMappingFunction(
     const base::StringPiece& vendor_id,
     const base::StringPiece& product_id) {
   for (size_t i = 0; i < arraysize(AvailableMappings); ++i) {
     MappingData& item = AvailableMappings[i];
     if (vendor_id == item.vendor_id && product_id == item.product_id)
       return item.function;
   }
   return NULL;
 }
 
 }  // namespace content