Add m-esr52 at 52.6.0

1 files changed, 362 insertions, 0 deletions

diff --git a/dom/vr/VRDisplay.h b/dom/vr/VRDisplay.h
new file mode 100644
index 000000000..d40d3d8ac
--- /dev/null
+++ b/dom/vr/VRDisplay.h
@@ -0,0 +1,362 @@
+/* -*- 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_VRDisplay_h_
+#define mozilla_dom_VRDisplay_h_
+
+#include <stdint.h>
+
+#include "mozilla/ErrorResult.h"
+#include "mozilla/dom/TypedArray.h"
+#include "mozilla/dom/VRDisplayBinding.h"
+#include "mozilla/DOMEventTargetHelper.h"
+#include "mozilla/dom/DOMPoint.h"
+#include "mozilla/dom/DOMRect.h"
+#include "mozilla/dom/Pose.h"
+
+#include "nsCOMPtr.h"
+#include "nsString.h"
+#include "nsTArray.h"
+
+#include "gfxVR.h"
+
+namespace mozilla {
+namespace gfx {
+class VRDisplayClient;
+class VRDisplayPresentation;
+struct VRFieldOfView;
+enum class VRDisplayCapabilityFlags : uint16_t;
+struct VRHMDSensorState;
+}
+namespace dom {
+class Navigator;
+
+class VRFieldOfView final : public nsWrapperCache
+{
+public:
+  VRFieldOfView(nsISupports* aParent,
+                double aUpDegrees, double aRightDegrees,
+                double aDownDegrees, double aLeftDegrees);
+  VRFieldOfView(nsISupports* aParent, const gfx::VRFieldOfView& aSrc);
+
+  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(VRFieldOfView)
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(VRFieldOfView)
+
+  double UpDegrees() const { return mUpDegrees; }
+  double RightDegrees() const { return mRightDegrees; }
+  double DownDegrees() const { return mDownDegrees; }
+  double LeftDegrees() const { return mLeftDegrees; }
+
+  nsISupports* GetParentObject() const { return mParent; }
+  virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+protected:
+  virtual ~VRFieldOfView() {}
+
+  nsCOMPtr<nsISupports> mParent;
+
+  double mUpDegrees;
+  double mRightDegrees;
+  double mDownDegrees;
+  double mLeftDegrees;
+};
+
+class VRDisplayCapabilities final : public nsWrapperCache
+{
+public:
+  VRDisplayCapabilities(nsISupports* aParent, const gfx::VRDisplayCapabilityFlags& aFlags)
+    : mParent(aParent)
+    , mFlags(aFlags)
+  {
+  }
+
+  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(VRDisplayCapabilities)
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(VRDisplayCapabilities)
+
+  nsISupports* GetParentObject() const
+  {
+    return mParent;
+  }
+
+  virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+  bool HasPosition() const;
+  bool HasOrientation() const;
+  bool HasExternalDisplay() const;
+  bool CanPresent() const;
+  uint32_t MaxLayers() const;
+
+protected:
+  ~VRDisplayCapabilities() {}
+  nsCOMPtr<nsISupports> mParent;
+  gfx::VRDisplayCapabilityFlags mFlags;
+};
+
+class VRPose final : public Pose
+{
+
+public:
+  VRPose(nsISupports* aParent, const gfx::VRHMDSensorState& aState);
+  explicit VRPose(nsISupports* aParent);
+
+  uint32_t FrameID() const { return mFrameId; }
+
+  virtual void GetPosition(JSContext* aCx,
+                           JS::MutableHandle<JSObject*> aRetval,
+                           ErrorResult& aRv) override;
+  virtual void GetLinearVelocity(JSContext* aCx,
+                                 JS::MutableHandle<JSObject*> aRetval,
+                                 ErrorResult& aRv) override;
+  virtual void GetLinearAcceleration(JSContext* aCx,
+                                     JS::MutableHandle<JSObject*> aRetval,
+                                     ErrorResult& aRv) override;
+  virtual void GetOrientation(JSContext* aCx,
+                              JS::MutableHandle<JSObject*> aRetval,
+                              ErrorResult& aRv) override;
+  virtual void GetAngularVelocity(JSContext* aCx,
+                                  JS::MutableHandle<JSObject*> aRetval,
+                                  ErrorResult& aRv) override;
+  virtual void GetAngularAcceleration(JSContext* aCx,
+                                      JS::MutableHandle<JSObject*> aRetval,
+                                      ErrorResult& aRv) override;
+
+  virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+protected:
+  ~VRPose();
+
+  uint32_t mFrameId;
+  gfx::VRHMDSensorState mVRState;
+};
+
+struct VRFrameInfo
+{
+  VRFrameInfo();
+
+  void Update(const gfx::VRDisplayInfo& aInfo,
+              const gfx::VRHMDSensorState& aState,
+              float aDepthNear,
+              float aDepthFar);
+
+  void Clear();
+  bool IsDirty();
+
+  gfx::VRHMDSensorState mVRState;
+  gfx::Matrix4x4 mLeftProjection;
+  gfx::Matrix4x4 mLeftView;
+  gfx::Matrix4x4 mRightProjection;
+  gfx::Matrix4x4 mRightView;
+
+};
+
+class VRFrameData final : public nsWrapperCache
+{
+public:
+  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(VRFrameData)
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(VRFrameData)
+
+  explicit VRFrameData(nsISupports* aParent);
+  static already_AddRefed<VRFrameData> Constructor(const GlobalObject& aGlobal,
+                                                   ErrorResult& aRv);
+
+  void Update(const VRFrameInfo& aFrameInfo);
+
+  // WebIDL Members
+  double Timestamp() const;
+  void GetLeftProjectionMatrix(JSContext* aCx,
+                               JS::MutableHandle<JSObject*> aRetval,
+                               ErrorResult& aRv);
+  void GetLeftViewMatrix(JSContext* aCx,
+                         JS::MutableHandle<JSObject*> aRetval,
+                         ErrorResult& aRv);
+  void GetRightProjectionMatrix(JSContext* aCx,
+                               JS::MutableHandle<JSObject*> aRetval,
+                               ErrorResult& aRv);
+  void GetRightViewMatrix(JSContext* aCx,
+                          JS::MutableHandle<JSObject*> aRetval,
+                          ErrorResult& aRv);
+
+  VRPose* Pose();
+
+  // WebIDL Boilerplate
+  nsISupports* GetParentObject() const { return mParent; }
+  virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+protected:
+  ~VRFrameData();
+  nsCOMPtr<nsISupports> mParent;
+
+  VRFrameInfo mFrameInfo;
+  RefPtr<VRPose> mPose;
+  JS::Heap<JSObject*> mLeftProjectionMatrix;
+  JS::Heap<JSObject*> mLeftViewMatrix;
+  JS::Heap<JSObject*> mRightProjectionMatrix;
+  JS::Heap<JSObject*> mRightViewMatrix;
+
+  void LazyCreateMatrix(JS::Heap<JSObject*>& aArray, gfx::Matrix4x4& aMat,
+                        JSContext* aCx, JS::MutableHandle<JSObject*> aRetval,
+                        ErrorResult& aRv);
+};
+
+class VRStageParameters final : public nsWrapperCache
+{
+public:
+  VRStageParameters(nsISupports* aParent,
+                    const gfx::Matrix4x4& aSittingToStandingTransform,
+                    const gfx::Size& aSize);
+
+  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(VRStageParameters)
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(VRStageParameters)
+
+  void GetSittingToStandingTransform(JSContext* aCx,
+                                     JS::MutableHandle<JSObject*> aRetval,
+                                     ErrorResult& aRv);
+  float SizeX() const { return mSize.width; }
+  float SizeZ() const { return mSize.height; }
+
+  nsISupports* GetParentObject() const { return mParent; }
+  virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+protected:
+  ~VRStageParameters();
+
+  nsCOMPtr<nsISupports> mParent;
+
+  gfx::Matrix4x4 mSittingToStandingTransform;
+  JS::Heap<JSObject*> mSittingToStandingTransformArray;
+  gfx::Size mSize;
+};
+
+class VREyeParameters final : public nsWrapperCache
+{
+public:
+  VREyeParameters(nsISupports* aParent,
+                  const gfx::Point3D& aEyeTranslation,
+                  const gfx::VRFieldOfView& aFOV,
+                  const gfx::IntSize& aRenderSize);
+
+  NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(VREyeParameters)
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(VREyeParameters)
+
+  void GetOffset(JSContext* aCx, JS::MutableHandle<JSObject*> aRetVal,
+                 ErrorResult& aRv);
+
+  VRFieldOfView* FieldOfView();
+
+  uint32_t RenderWidth() const { return mRenderSize.width; }
+  uint32_t RenderHeight() const { return mRenderSize.height; }
+
+  nsISupports* GetParentObject() const { return mParent; }
+  virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+protected:
+  ~VREyeParameters();
+
+  nsCOMPtr<nsISupports> mParent;
+
+
+  gfx::Point3D mEyeTranslation;
+  gfx::IntSize mRenderSize;
+  JS::Heap<JSObject*> mOffset;
+  RefPtr<VRFieldOfView> mFOV;
+};
+
+class VRDisplay final : public DOMEventTargetHelper
+                      , public nsIObserver
+{
+public:
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_NSIOBSERVER
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(VRDisplay, DOMEventTargetHelper)
+
+  virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+  bool IsPresenting() const;
+  bool IsConnected() const;
+
+  VRDisplayCapabilities* Capabilities();
+  VRStageParameters* GetStageParameters();
+
+  uint32_t DisplayId() const { return mDisplayId; }
+  void GetDisplayName(nsAString& aDisplayName) const { aDisplayName = mDisplayName; }
+
+  static bool RefreshVRDisplays(uint64_t aWindowId);
+  static void UpdateVRDisplays(nsTArray<RefPtr<VRDisplay> >& aDisplays,
+                               nsPIDOMWindowInner* aWindow);
+
+  gfx::VRDisplayClient *GetClient() {
+    return mClient;
+  }
+
+  virtual already_AddRefed<VREyeParameters> GetEyeParameters(VREye aEye);
+
+  bool GetFrameData(VRFrameData& aFrameData);
+  already_AddRefed<VRPose> GetPose();
+  void ResetPose();
+
+  double DepthNear() {
+    return mDepthNear;
+  }
+
+  double DepthFar() {
+    return mDepthFar;
+  }
+
+  void SetDepthNear(double aDepthNear) {
+    // XXX When we start sending depth buffers to VRLayer's we will want
+    // to communicate this with the VRDisplayHost
+    mDepthNear = aDepthNear;
+  }
+
+  void SetDepthFar(double aDepthFar) {
+    // XXX When we start sending depth buffers to VRLayer's we will want
+    // to communicate this with the VRDisplayHost
+    mDepthFar = aDepthFar;
+  }
+
+  already_AddRefed<Promise> RequestPresent(const nsTArray<VRLayer>& aLayers, ErrorResult& aRv);
+  already_AddRefed<Promise> ExitPresent(ErrorResult& aRv);
+  void GetLayers(nsTArray<VRLayer>& result);
+  void SubmitFrame();
+
+  int32_t RequestAnimationFrame(mozilla::dom::FrameRequestCallback& aCallback,
+                                mozilla::ErrorResult& aError);
+  void CancelAnimationFrame(int32_t aHandle, mozilla::ErrorResult& aError);
+
+protected:
+  VRDisplay(nsPIDOMWindowInner* aWindow, gfx::VRDisplayClient* aClient);
+  virtual ~VRDisplay();
+  virtual void LastRelease() override;
+
+  void ExitPresentInternal();
+  void UpdateFrameInfo();
+
+  RefPtr<gfx::VRDisplayClient> mClient;
+
+  uint32_t mDisplayId;
+  nsString mDisplayName;
+
+  RefPtr<VRDisplayCapabilities> mCapabilities;
+  RefPtr<VRStageParameters> mStageParameters;
+
+  double mDepthNear;
+  double mDepthFar;
+
+  RefPtr<gfx::VRDisplayPresentation> mPresentation;
+
+  /**
+  * The WebVR 1.1 spec Requires that VRDisplay.getPose and VRDisplay.getFrameData
+  * must return the same values until the next VRDisplay.submitFrame.
+  * mFrameInfo is updated only on the first call to either function within one
+  * frame.  Subsequent calls before the next SubmitFrame or ExitPresent call
+  * will use these cached values.
+  */
+  VRFrameInfo mFrameInfo;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif