dom/vr/XRInputSpace.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "XRInputSpace.h"
   8 #include "VRDisplayClient.h"
   9 #include "mozilla/dom/GamepadPoseState.h"
  10
  11 namespace mozilla::dom {
  12
  13 XRInputSpace::XRInputSpace(nsIGlobalObject* aParent, XRSession* aSession,
  14                            XRNativeOrigin* aNativeOrigin,
  15                            int32_t aControllerIndex)
  16     : XRSpace(aParent, aSession, aNativeOrigin), mIndex(aControllerIndex) {}
  17
  18 bool XRInputSpace::IsPositionEmulated() const {
  19   gfx::VRDisplayClient* display = mSession->GetDisplayClient();
  20   if (!display) {
  21     // When there are no sensors, the position is considered emulated.
  22     return true;
  23   }
  24   const gfx::VRDisplayInfo& displayInfo = display->GetDisplayInfo();
  25   const gfx::VRControllerState& controllerState =
  26       displayInfo.mControllerState[mIndex];
  27   MOZ_ASSERT(controllerState.controllerName[0] != '\0');
  28
  29   return (
  30       (controllerState.flags & GamepadCapabilityFlags::Cap_PositionEmulated) !=
  31       GamepadCapabilityFlags::Cap_None);
  32 }
  33
  34 }  // namespace mozilla::dom