mirror of
https://github.com/mozilla/gecko-dev.git
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393 lines
14 KiB
C++
393 lines
14 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/XRInputSource.h"
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#include "mozilla/dom/XRInputSourceEvent.h"
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#include "XRNativeOriginViewer.h"
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#include "XRNativeOriginTracker.h"
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#include "XRInputSpace.h"
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#include "mozilla/dom/Gamepad.h"
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#include "mozilla/dom/GamepadManager.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(XRInputSource, mParent)
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NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(XRInputSource, AddRef)
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NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(XRInputSource, Release)
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// Follow the controller profile ids from
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// https://github.com/immersive-web/webxr-input-profiles.
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nsTArray<nsString> GetInputSourceProfile(VRControllerType aType) {
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nsTArray<nsString> profile;
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nsString id;
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switch (aType) {
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case VRControllerType::HTCVive:
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id.AssignLiteral("htc-vive");
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profile.AppendElement(id);
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id.AssignLiteral("generic-trigger-squeeze-touchpad");
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profile.AppendElement(id);
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break;
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case VRControllerType::HTCViveCosmos:
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id.AssignLiteral("htc-vive-cosmos");
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profile.AppendElement(id);
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id.AssignLiteral("generic-trigger-squeeze-thumbstick");
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profile.AppendElement(id);
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break;
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case VRControllerType::HTCViveFocus:
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id.AssignLiteral("htc-vive-focus");
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profile.AppendElement(id);
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id.AssignLiteral("generic-trigger-touchpad");
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profile.AppendElement(id);
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break;
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case VRControllerType::HTCViveFocusPlus:
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id.AssignLiteral("htc-vive-focus-plus");
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profile.AppendElement(id);
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id.AssignLiteral("generic-trigger-squeeze-touchpad");
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profile.AppendElement(id);
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break;
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case VRControllerType::MSMR:
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id.AssignLiteral("microsoft-mixed-reality");
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profile.AppendElement(id);
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id.AssignLiteral("generic-trigger-squeeze-touchpad-thumbstick");
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profile.AppendElement(id);
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break;
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case VRControllerType::ValveIndex:
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id.AssignLiteral("valve-index");
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profile.AppendElement(id);
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id.AssignLiteral("generic-trigger-squeeze-touchpad-thumbstick");
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profile.AppendElement(id);
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break;
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case VRControllerType::OculusGo:
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id.AssignLiteral("oculus-go");
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profile.AppendElement(id);
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id.AssignLiteral("generic-trigger-touchpad");
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profile.AppendElement(id);
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break;
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case VRControllerType::OculusTouch:
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id.AssignLiteral("oculus-touch");
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profile.AppendElement(id);
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id.AssignLiteral("generic-trigger-squeeze-thumbstick");
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profile.AppendElement(id);
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break;
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case VRControllerType::OculusTouch2:
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id.AssignLiteral("oculus-touch-v2");
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profile.AppendElement(id);
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id.AssignLiteral("oculus-touch");
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profile.AppendElement(id);
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id.AssignLiteral("generic-trigger-squeeze-thumbstick");
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profile.AppendElement(id);
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break;
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case VRControllerType::PicoGaze:
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id.AssignLiteral("pico-gaze");
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profile.AppendElement(id);
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id.AssignLiteral("generic-button");
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profile.AppendElement(id);
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break;
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case VRControllerType::PicoG2:
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id.AssignLiteral("pico-g-v2");
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profile.AppendElement(id);
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id.AssignLiteral("generic-trigger-touchpad");
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profile.AppendElement(id);
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break;
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case VRControllerType::PicoNeo2:
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id.AssignLiteral("pico-neo-v2");
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profile.AppendElement(id);
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id.AssignLiteral("generic-trigger-squeeze-thumbstick");
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profile.AppendElement(id);
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break;
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default:
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NS_WARNING("Unsupported XR input source profile.\n");
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break;
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}
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return profile;
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}
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XRInputSource::XRInputSource(nsISupports* aParent)
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: mParent(aParent),
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mGamepad(nullptr),
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mIndex(-1),
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mSelectAction(ActionState::ActionState_Released),
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mSqueezeAction(ActionState::ActionState_Released) {}
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XRInputSource::~XRInputSource() {
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mTargetRaySpace = nullptr;
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mGripSpace = nullptr;
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mGamepad = nullptr;
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mozilla::DropJSObjects(this);
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}
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JSObject* XRInputSource::WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return XRInputSource_Binding::Wrap(aCx, this, aGivenProto);
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}
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XRHandedness XRInputSource::Handedness() { return mHandedness; }
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XRTargetRayMode XRInputSource::TargetRayMode() { return mTargetRayMode; }
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XRSpace* XRInputSource::TargetRaySpace() { return mTargetRaySpace; }
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XRSpace* XRInputSource::GetGripSpace() { return mGripSpace; }
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void XRInputSource::GetProfiles(nsTArray<nsString>& aResult) {
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aResult = mProfiles;
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}
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Gamepad* XRInputSource::GetGamepad() { return mGamepad; }
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void XRInputSource::Setup(XRSession* aSession, uint32_t aIndex) {
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MOZ_ASSERT(aSession);
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gfx::VRDisplayClient* displayClient = aSession->GetDisplayClient();
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if (!displayClient) {
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MOZ_ASSERT(displayClient);
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return;
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}
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const gfx::VRDisplayInfo& displayInfo = displayClient->GetDisplayInfo();
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const gfx::VRControllerState& controllerState =
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displayInfo.mControllerState[aIndex];
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MOZ_ASSERT(controllerState.controllerName[0] != '\0');
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mProfiles = GetInputSourceProfile(controllerState.type);
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mHandedness = XRHandedness::None;
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switch (controllerState.hand) {
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case GamepadHand::_empty:
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mHandedness = XRHandedness::None;
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break;
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case GamepadHand::Left:
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mHandedness = XRHandedness::Left;
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break;
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case GamepadHand::Right:
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mHandedness = XRHandedness::Right;
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break;
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default:
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MOZ_ASSERT(false && "Unknown GamepadHand type.");
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break;
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}
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RefPtr<XRNativeOrigin> nativeOriginTargetRay = nullptr;
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mTargetRayMode = XRTargetRayMode::Tracked_pointer;
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switch (controllerState.targetRayMode) {
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case gfx::TargetRayMode::Gaze:
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mTargetRayMode = XRTargetRayMode::Gaze;
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nativeOriginTargetRay = new XRNativeOriginViewer(displayClient);
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break;
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case gfx::TargetRayMode::TrackedPointer:
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mTargetRayMode = XRTargetRayMode::Tracked_pointer;
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// We use weak pointers of poses in XRNativeOriginTracker to sync their
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// data internally.
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nativeOriginTargetRay =
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new XRNativeOriginTracker(&controllerState.targetRayPose);
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break;
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case gfx::TargetRayMode::Screen:
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mTargetRayMode = XRTargetRayMode::Screen;
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break;
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default:
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MOZ_ASSERT(false && "Undefined TargetRayMode type.");
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break;
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}
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mTargetRaySpace = new XRInputSpace(aSession->GetParentObject(), aSession,
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nativeOriginTargetRay, aIndex);
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const uint32_t gamepadId =
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displayInfo.mDisplayID * kVRControllerMaxCount + aIndex;
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const uint32_t hashKey = GamepadManager::GetGamepadIndexWithServiceType(
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gamepadId, GamepadServiceType::VR);
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mGamepad =
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new Gamepad(mParent, NS_ConvertASCIItoUTF16(""), -1, hashKey,
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GamepadMappingType::Xr_standard, controllerState.hand,
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displayInfo.mDisplayID, controllerState.numButtons,
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controllerState.numAxes, controllerState.numHaptics, 0, 0);
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mIndex = aIndex;
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if (!mGripSpace) {
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CreateGripSpace(aSession, controllerState);
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}
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}
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void XRInputSource::SetGamepadIsConnected(bool aConnected,
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XRSession* aSession) {
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mGamepad->SetConnected(aConnected);
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MOZ_ASSERT(aSession);
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if (!aConnected) {
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if (mSelectAction != ActionState::ActionState_Released) {
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DispatchEvent(NS_LITERAL_STRING("selectend"), aSession);
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mSelectAction = ActionState::ActionState_Released;
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}
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if (mSqueezeAction != ActionState::ActionState_Released) {
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DispatchEvent(NS_LITERAL_STRING("squeezeend"), aSession);
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mSqueezeAction = ActionState::ActionState_Released;
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}
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}
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}
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void XRInputSource::Update(XRSession* aSession) {
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MOZ_ASSERT(aSession && mIndex >= 0 && mGamepad);
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gfx::VRDisplayClient* displayClient = aSession->GetDisplayClient();
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if (!displayClient) {
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MOZ_ASSERT(displayClient);
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return;
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}
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const gfx::VRDisplayInfo& displayInfo = displayClient->GetDisplayInfo();
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const gfx::VRControllerState& controllerState =
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displayInfo.mControllerState[mIndex];
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MOZ_ASSERT(controllerState.controllerName[0] != '\0');
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// OculusVR and OpenVR controllers need to wait until
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// update functions to assign GamepadCapabilityFlags::Cap_GripSpacePosition
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// flag.
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if (!mGripSpace) {
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CreateGripSpace(aSession, controllerState);
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}
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// Update button values.
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nsTArray<RefPtr<GamepadButton>> buttons;
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mGamepad->GetButtons(buttons);
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for (uint32_t i = 0; i < buttons.Length(); ++i) {
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const bool pressed = controllerState.buttonPressed & (1ULL << i);
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const bool touched = controllerState.buttonTouched & (1ULL << i);
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if (buttons[i]->Pressed() != pressed || buttons[i]->Touched() != touched ||
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buttons[i]->Value() != controllerState.triggerValue[i]) {
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mGamepad->SetButton(i, pressed, touched, controllerState.triggerValue[i]);
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}
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}
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// Update axis values.
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nsTArray<double> axes;
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mGamepad->GetAxes(axes);
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for (uint32_t i = 0; i < axes.Length(); ++i) {
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if (axes[i] != controllerState.axisValue[i]) {
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mGamepad->SetAxis(i, controllerState.axisValue[i]);
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}
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}
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// We define 0.85f and 0.15f based on our current finding
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// for better experience, we can adjust these values if we need.
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const float completeThreshold = 0.90f;
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const float startThreshold = 0.85f;
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const float endThreshold = 0.15f;
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const uint32_t selectIndex = 0;
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const uint32_t squeezeIndex = 1;
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// Checking selectstart, select, selectend
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if (buttons.Length() > selectIndex) {
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if (controllerState.selectActionStartFrameId >
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controllerState.selectActionStopFrameId) {
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if (mSelectAction == ActionState::ActionState_Released &&
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controllerState.triggerValue[selectIndex] > endThreshold) {
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DispatchEvent(NS_LITERAL_STRING("selectstart"), aSession);
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mSelectAction = ActionState::ActionState_Pressing;
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} else if (mSelectAction == ActionState::ActionState_Pressing &&
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controllerState.triggerValue[selectIndex] >
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completeThreshold) {
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mSelectAction = ActionState::ActionState_Pressed;
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} else if (mSelectAction == ActionState::ActionState_Pressed &&
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controllerState.triggerValue[selectIndex] < startThreshold) {
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DispatchEvent(NS_LITERAL_STRING("select"), aSession);
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mSelectAction = ActionState::ActionState_Releasing;
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} else if (mSelectAction <= ActionState::ActionState_Releasing &&
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controllerState.triggerValue[selectIndex] < endThreshold) {
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// For a select btn which only has pressed and unpressed status.
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if (mSelectAction == ActionState::ActionState_Pressed) {
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DispatchEvent(NS_LITERAL_STRING("select"), aSession);
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}
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DispatchEvent(NS_LITERAL_STRING("selectend"), aSession);
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mSelectAction = ActionState::ActionState_Released;
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}
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} else if (mSelectAction <= ActionState::ActionState_Releasing) {
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// For a select btn which only has pressed and unpressed status.
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if (mSelectAction == ActionState::ActionState_Pressed) {
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DispatchEvent(NS_LITERAL_STRING("select"), aSession);
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}
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DispatchEvent(NS_LITERAL_STRING("selectend"), aSession);
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mSelectAction = ActionState::ActionState_Released;
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}
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}
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// Checking squeezestart, squeeze, squeezeend
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if (buttons.Length() > squeezeIndex) {
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if (controllerState.squeezeActionStartFrameId >
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controllerState.squeezeActionStopFrameId) {
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if (mSqueezeAction == ActionState::ActionState_Released &&
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controllerState.triggerValue[squeezeIndex] > endThreshold) {
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DispatchEvent(NS_LITERAL_STRING("squeezestart"), aSession);
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mSqueezeAction = ActionState::ActionState_Pressing;
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} else if (mSqueezeAction == ActionState::ActionState_Pressing &&
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controllerState.triggerValue[squeezeIndex] >
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completeThreshold) {
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mSqueezeAction = ActionState::ActionState_Pressed;
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} else if (mSqueezeAction == ActionState::ActionState_Pressed &&
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controllerState.triggerValue[squeezeIndex] < startThreshold) {
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DispatchEvent(NS_LITERAL_STRING("squeeze"), aSession);
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mSqueezeAction = ActionState::ActionState_Releasing;
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} else if (mSqueezeAction <= ActionState::ActionState_Releasing &&
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controllerState.triggerValue[squeezeIndex] < endThreshold) {
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// For a squeeze btn which only has pressed and unpressed status.
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if (mSqueezeAction == ActionState::ActionState_Pressed) {
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DispatchEvent(NS_LITERAL_STRING("squeeze"), aSession);
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}
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DispatchEvent(NS_LITERAL_STRING("squeezeend"), aSession);
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mSqueezeAction = ActionState::ActionState_Released;
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}
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} else if (mSqueezeAction <= ActionState::ActionState_Releasing) {
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// For a squeeze btn which only has pressed and unpressed status.
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if (mSqueezeAction == ActionState::ActionState_Pressed) {
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DispatchEvent(NS_LITERAL_STRING("squeeze"), aSession);
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}
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DispatchEvent(NS_LITERAL_STRING("squeezeend"), aSession);
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mSqueezeAction = ActionState::ActionState_Released;
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}
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}
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}
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int32_t XRInputSource::GetIndex() { return mIndex; }
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void XRInputSource::DispatchEvent(const nsAString& aEvent,
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XRSession* aSession) {
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if (!GetParentObject() || !aSession) {
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return;
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}
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// Create a XRFrame for its callbacks
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RefPtr<XRFrame> frame = new XRFrame(GetParentObject(), aSession);
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frame->StartInputSourceEvent();
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XRInputSourceEventInit init;
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init.mBubbles = false;
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init.mCancelable = false;
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init.mFrame = frame;
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init.mInputSource = this;
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RefPtr<XRInputSourceEvent> event =
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XRInputSourceEvent::Constructor(aSession, aEvent, init);
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event->SetTrusted(true);
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aSession->DispatchEvent(*event);
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frame->EndInputSourceEvent();
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}
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void XRInputSource::CreateGripSpace(
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XRSession* aSession, const gfx::VRControllerState& controllerState) {
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MOZ_ASSERT(!mGripSpace);
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MOZ_ASSERT(aSession && mIndex >= 0 && mGamepad);
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if (mTargetRayMode == XRTargetRayMode::Tracked_pointer &&
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controllerState.flags & GamepadCapabilityFlags::Cap_GripSpacePosition) {
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RefPtr<XRNativeOrigin> nativeOriginGrip = nullptr;
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nativeOriginGrip = new XRNativeOriginTracker(&controllerState.pose);
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mGripSpace = new XRInputSpace(aSession->GetParentObject(), aSession,
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nativeOriginGrip, mIndex);
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} else {
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mGripSpace = nullptr;
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}
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}
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} // namespace dom
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} // namespace mozilla
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