Add gamepad mapping for XFXforce XGEAR PS2 Controller on OS X

BUG=140828


Review URL: https://chromiumcodereview.appspot.com/10827264

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@150963 0039d316-1c4b-4281-b951-d872f2087c98

content/browser/gamepad/gamepad_standard_mappings_mac.mm

@@ -14,6 +14,25 @@ float AxisToButton(float input) {
   return (input + 1.f) / 2.f;
 }
 
+void DpadFromAxis(WebKit::WebGamepad* mapped, float dir) {
+  // Dpad is mapped as a direction on one axis, where -1 is up and it
+  // increases clockwise to 1, which is up + left. It's set to a large (> 1.f)
+  // number when nothing is depressed, except on start up, sometimes it's 0.0
+  // for no data, rather than the large number.
+  if (dir == 0.0f) {
+    mapped->buttons[kButtonDpadUp] = 0.f;
+    mapped->buttons[kButtonDpadDown] = 0.f;
+    mapped->buttons[kButtonDpadLeft] = 0.f;
+    mapped->buttons[kButtonDpadRight] = 0.f;
+  } else {
+    mapped->buttons[kButtonDpadUp] = (dir >= -1.f && dir < -0.7f) ||
+                                     (dir >= .95f && dir <= 1.f);
+    mapped->buttons[kButtonDpadRight] = dir >= -.75f && dir < -.1f;
+    mapped->buttons[kButtonDpadDown] = dir >= -.2f && dir < .45f;
+    mapped->buttons[kButtonDpadLeft] = dir >= .4f && dir <= 1.f;
+  }
+}
+
 void MapperXbox360Gamepad(
     const WebKit::WebGamepad& input,
     WebKit::WebGamepad* mapped) {
@@ -70,25 +89,7 @@ void MapperDirectInputStyle(
   mapped->buttons[kButtonSecondary] = input.buttons[2];
   mapped->buttons[kButtonTertiary] = input.buttons[0];
   mapped->axes[kAxisRightStickY] = input.axes[5];
-
-  // Dpad is mapped as a direction on one axis, where -1 is up and it
-  // increases clockwise to 1, which is up + left. It's set to a large (> 1.f)
-  // number when nothing is depressed, except on start up, sometimes it's 0.0
-  // for no data, rather than the large number.
-  float dir = input.axes[9];
-  if (dir == 0.0f) {
-    mapped->buttons[kButtonDpadUp] = 0.f;
-    mapped->buttons[kButtonDpadDown] = 0.f;
-    mapped->buttons[kButtonDpadLeft] = 0.f;
-    mapped->buttons[kButtonDpadRight] = 0.f;
-  } else {
-    mapped->buttons[kButtonDpadUp] = (dir >= -1.f && dir < -0.7f) ||
-                                     (dir >= .95f && dir <= 1.f);
-    mapped->buttons[kButtonDpadRight] = dir >= -.75f && dir < -.1f;
-    mapped->buttons[kButtonDpadDown] = dir >= -.2f && dir < .45f;
-    mapped->buttons[kButtonDpadLeft] = dir >= .4f && dir <= 1.f;
-  }
-
+  DpadFromAxis(mapped, input.axes[9]);
   mapped->buttonsLength = kNumButtons - 1; /* no meta */
   mapped->axesLength = kNumAxes;
 }
@@ -133,6 +134,24 @@ void MapperMacallyIShock(
   mapped->axesLength = kNumAxes;
 }
 
+void MapperXGEAR(
+    const WebKit::WebGamepad& input,
+    WebKit::WebGamepad* mapped) {
+  *mapped = input;
+  mapped->buttons[kButtonPrimary] = input.buttons[2];
+  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];
+  DpadFromAxis(mapped, input.axes[9]);
+  mapped->axes[kAxisRightStickX] = input.axes[5];
+  mapped->axes[kAxisRightStickY] = input.axes[2];
+  mapped->buttonsLength = kNumButtons - 1; /* no meta */
+  mapped->axesLength = kNumAxes;
+}
+
 struct MappingData {
   const char* const vendor_id;
   const char* const product_id;
@@ -145,6 +164,7 @@ struct MappingData {
   { "046d", "c218", MapperDirectInputStyle },   // Logitech F510, D mode
   { "046d", "c219", MapperDirectInputStyle },   // Logitech F710, D mode
   { "054c", "0268", MapperPlaystationSixAxis }, // Playstation SIXAXIS
+  { "0e8f", "0003", MapperXGEAR },              // XFXforce XGEAR PS2 Controller
   { "2222", "0060", MapperDirectInputStyle },   // Macally iShockX, analog mode
   { "2222", "4010", MapperMacallyIShock },      // Macally iShock
 };