Migrating majority of gamepad from content/browser/ to device/

content/browser/gamepad/gamepad_standard_mappings.cc

-// Copyright 2014 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"
-
-namespace content {
-
-blink::WebGamepadButton AxisToButton(float input) {
-  float value = (input + 1.f) / 2.f;
-  return blink::WebGamepadButton(
-    value > kDefaultButtonPressedThreshold, value);
-}
-
-blink::WebGamepadButton AxisNegativeAsButton(float input) {
-  float value = (input < -0.5f) ? 1.f : 0.f;
-  return blink::WebGamepadButton(
-    value > kDefaultButtonPressedThreshold, value);
-}
-
-blink::WebGamepadButton AxisPositiveAsButton(float input) {
-  float value = (input > 0.5f) ? 1.f : 0.f;
-  return blink::WebGamepadButton(
-    value > kDefaultButtonPressedThreshold, value);
-}
-
-blink::WebGamepadButton ButtonFromButtonAndAxis(
-    blink::WebGamepadButton button, float axis) {
-  float value = (axis + 1.f) / 2.f;
-  return blink::WebGamepadButton(button.pressed, value);
-}
-
-blink::WebGamepadButton NullButton() {
-  return blink::WebGamepadButton(false, 0.0);
-}
-
-void DpadFromAxis(blink::WebGamepad* mapped, float dir) {
-  bool up = false;
-  bool right = false;
-  bool down = false;
-  bool left = false;
-
-  // 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) {
-    up = (dir >= -1.f && dir < -0.7f) || (dir >= .95f && dir <= 1.f);
-    right = dir >= -.75f && dir < -.1f;
-    down = dir >= -.2f && dir < .45f;
-    left = dir >= .4f && dir <= 1.f;
-  }
-
-  mapped->buttons[BUTTON_INDEX_DPAD_UP].pressed = up;
-  mapped->buttons[BUTTON_INDEX_DPAD_UP].value = up ? 1.f : 0.f;
-  mapped->buttons[BUTTON_INDEX_DPAD_RIGHT].pressed = right;
-  mapped->buttons[BUTTON_INDEX_DPAD_RIGHT].value = right ? 1.f : 0.f;
-  mapped->buttons[BUTTON_INDEX_DPAD_DOWN].pressed = down;
-  mapped->buttons[BUTTON_INDEX_DPAD_DOWN].value = down ? 1.f : 0.f;
-  mapped->buttons[BUTTON_INDEX_DPAD_LEFT].pressed = left;
-  mapped->buttons[BUTTON_INDEX_DPAD_LEFT].value = left ? 1.f : 0.f;
-}
-
-}  // namespace content