tor-browser

The Tor Browser
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XRInputSpace.cpp (1322B)


      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 
      9 #include "VRDisplayClient.h"
     10 #include "mozilla/dom/GamepadPoseState.h"
     11 
     12 namespace mozilla::dom {
     13 
     14 XRInputSpace::XRInputSpace(nsIGlobalObject* aParent, XRSession* aSession,
     15                           XRNativeOrigin* aNativeOrigin,
     16                           int32_t aControllerIndex)
     17    : XRSpace(aParent, aSession, aNativeOrigin), mIndex(aControllerIndex) {}
     18 
     19 bool XRInputSpace::IsPositionEmulated() const {
     20  gfx::VRDisplayClient* display = mSession->GetDisplayClient();
     21  if (!display) {
     22    // When there are no sensors, the position is considered emulated.
     23    return true;
     24  }
     25  const gfx::VRDisplayInfo& displayInfo = display->GetDisplayInfo();
     26  const gfx::VRControllerState& controllerState =
     27      displayInfo.mControllerState[mIndex];
     28  MOZ_ASSERT(controllerState.controllerName[0] != '\0');
     29 
     30  return (
     31      (controllerState.flags & GamepadCapabilityFlags::Cap_PositionEmulated) !=
     32      GamepadCapabilityFlags::Cap_None);
     33 }
     34 
     35 }  // namespace mozilla::dom