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Diffstat (limited to 'dom/vr/XRSystem.h')
| -rw-r--r-- | dom/vr/XRSystem.h | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/dom/vr/XRSystem.h b/dom/vr/XRSystem.h new file mode 100644 index 0000000000..2a49dfb68f --- /dev/null +++ b/dom/vr/XRSystem.h @@ -0,0 +1,174 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this file, + * You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef mozilla_dom_XRsystem_h_ +#define mozilla_dom_XRsystem_h_ + +#include "mozilla/DOMEventTargetHelper.h" +#include "mozilla/dom/WebXRBinding.h" +#include "nsContentPermissionHelper.h" +#include "VRManagerChild.h" + +#include "gfxVR.h" + +namespace mozilla::dom { + +struct XRSessionCreationOptions; + +class IsSessionSupportedRequest { + public: + IsSessionSupportedRequest(XRSessionMode aSessionMode, Promise* aPromise) + : mPromise(aPromise), mSessionMode(aSessionMode) {} + NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(IsSessionSupportedRequest) + NS_DECL_CYCLE_COLLECTION_NATIVE_CLASS(IsSessionSupportedRequest) + + RefPtr<Promise> mPromise; + XRSessionMode GetSessionMode() const; + + private: + ~IsSessionSupportedRequest() = default; + XRSessionMode mSessionMode; +}; + +class RequestSessionRequest { + public: + RequestSessionRequest( + XRSessionMode aSessionMode, uint32_t aPresentationGroup, + Promise* aPromise, + const nsTArray<XRReferenceSpaceType>& aRequiredReferenceSpaceTypes, + const nsTArray<XRReferenceSpaceType>& aOptionalReferenceSpaceTypes); + NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(RequestSessionRequest) + NS_DECL_CYCLE_COLLECTION_NATIVE_CLASS(RequestSessionRequest) + RefPtr<Promise> mPromise; + + bool ResolveSupport( + const gfx::VRDisplayClient* aDisplay, + nsTArray<XRReferenceSpaceType>& aEnabledReferenceSpaceTypes) const; + bool IsImmersive() const; + bool WantsHardware() const; + bool NeedsHardware() const; + XRSessionMode GetSessionMode() const; + uint32_t GetPresentationGroup() const; + + private: + ~RequestSessionRequest() = default; + XRSessionMode mSessionMode; + uint32_t mPresentationGroup; + nsTArray<XRReferenceSpaceType> mRequiredReferenceSpaceTypes; + nsTArray<XRReferenceSpaceType> mOptionalReferenceSpaceTypes; +}; + +class XRRequestSessionPermissionRequest final + : public ContentPermissionRequestBase { + public: + NS_DECL_ISUPPORTS_INHERITED + NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(XRRequestSessionPermissionRequest, + ContentPermissionRequestBase) + + // nsIContentPermissionRequest + NS_IMETHOD Cancel(void) override; + NS_IMETHOD Allow(JS::Handle<JS::Value> choices) override; + + using AllowCallback = std::function<void()>; + using AllowAnySiteCallback = std::function<void()>; + using CancelCallback = std::function<void()>; + + static already_AddRefed<XRRequestSessionPermissionRequest> Create( + nsPIDOMWindowInner* aWindow, AllowCallback&& aAllowCallback, + AllowAnySiteCallback&& aAllowAnySiteCallback, + CancelCallback&& aCancelCallback); + + using AutoGrantDelayPromise = MozPromise<bool, bool, true>; + RefPtr<AutoGrantDelayPromise> MaybeDelayAutomaticGrants(); + + private: + XRRequestSessionPermissionRequest( + nsPIDOMWindowInner* aWindow, nsIPrincipal* aNodePrincipal, + AllowCallback&& aAllowCallback, + AllowAnySiteCallback&& aAllowAnySiteCallback, + CancelCallback&& aCancelCallback); + ~XRRequestSessionPermissionRequest(); + + AllowCallback mAllowCallback; + AllowAnySiteCallback mAllowAnySiteCallback; + CancelCallback mCancelCallback; + nsTArray<PermissionRequest> mPermissionRequests; + bool mCallbackCalled; +}; + +class XRSystem final : public DOMEventTargetHelper, + public gfx::VRManagerEventObserver { + public: + NS_DECL_ISUPPORTS_INHERITED + NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(XRSystem, DOMEventTargetHelper) + + void Shutdown(); + void SessionEnded(XRSession* aSession); + bool FeaturePolicyBlocked() const; + bool OnXRPermissionRequestAllow(); + void OnXRPermissionRequestCancel(); + bool HasActiveImmersiveSession() const; + + // WebIDL Boilerplate + static already_AddRefed<XRSystem> Create(nsPIDOMWindowInner* aWindow); + JSObject* WrapObject(JSContext* aCx, + JS::Handle<JSObject*> aGivenProto) override; + + // WebIDL Members + already_AddRefed<Promise> IsSessionSupported(XRSessionMode aMode, + ErrorResult& aRv); + already_AddRefed<Promise> RequestSession(JSContext* aCx, XRSessionMode aMode, + const XRSessionInit& aOptions, + CallerType aCallerType, + ErrorResult& aRv); + IMPL_EVENT_HANDLER(devicechange); + + // VRManagerEventObserver interface + void NotifyVRDisplayMounted(uint32_t aDisplayID) override; + void NotifyVRDisplayUnmounted(uint32_t aDisplayID) override; + void NotifyVRDisplayConnect(uint32_t aDisplayID) override; + void NotifyVRDisplayDisconnect(uint32_t aDisplayID) override; + void NotifyVRDisplayPresentChange(uint32_t aDisplayID) override; + void NotifyPresentationGenerationChanged(uint32_t aDisplayID) override; + void NotifyEnumerationCompleted() override; + void NotifyDetectRuntimesCompleted() override; + bool GetStopActivityStatus() const override; + + private: + explicit XRSystem(nsPIDOMWindowInner* aWindow); + virtual ~XRSystem() = default; + void ResolveIsSessionSupportedRequests(); + void ProcessSessionRequestsWaitingForRuntimeDetection(); + bool CancelHardwareRequest(RequestSessionRequest* aRequest); + void QueueSessionRequestWithEnumeration(RequestSessionRequest* aRequest); + void QueueSessionRequestWithoutEnumeration(RequestSessionRequest* aRequest); + void ResolveSessionRequestsWithoutHardware(); + void ResolveSessionRequests( + nsTArray<RefPtr<RequestSessionRequest>>& aRequests, + const nsTArray<RefPtr<gfx::VRDisplayClient>>& aDisplays); + + bool mShuttingDown; + // https://immersive-web.github.io/webxr/#pending-immersive-session + bool mPendingImmersiveSession; + // https://immersive-web.github.io/webxr/#active-immersive-session + RefPtr<XRSession> mActiveImmersiveSession; + // https://immersive-web.github.io/webxr/#list-of-inline-sessions + nsTArray<RefPtr<XRSession>> mInlineSessions; + + bool mEnumerationInFlight; + + nsTArray<RefPtr<IsSessionSupportedRequest>> mIsSessionSupportedRequests; + nsTArray<RefPtr<RequestSessionRequest>> + mRequestSessionRequestsWithoutHardware; + nsTArray<RefPtr<RequestSessionRequest>> + mRequestSessionRequestsWaitingForRuntimeDetection; + nsTArray<RefPtr<RequestSessionRequest>> + mRequestSessionRequestsWaitingForEnumeration; +}; + +} // namespace mozilla::dom + +#endif // mozilla_dom_XRsystem_h_ |