public class FocusProvider : BaseCoreSystem, IMixedRealityEventSystem, IMixedRealityFocusProvider, IMixedRealityService, IDisposable, IMixedRealitySourceStateHandler, IMixedRealitySpeechHandler, IMixedRealityBaseInputHandler, IEventSystemHandler, IPointerPreferences

Remarks

There are convenience properties for getting only Gaze Pointer if needed.

Constructors

FocusProvider(IMixedRealityServiceRegistrar, MixedRealityInputSystemProfile)

Constructor.

Declaration

public FocusProvider(IMixedRealityServiceRegistrar registrar, MixedRealityInputSystemProfile profile)

Parameters

Type	Name	Description
IMixedRealityServiceRegistrar	registrar	The IMixedRealityServiceRegistrar instance that loaded the service.
MixedRealityInputSystemProfile	profile	The configuration profile for the service.

FocusProvider(MixedRealityInputSystemProfile)

Constructor.

Declaration

public FocusProvider(MixedRealityInputSystemProfile profile)

Parameters

Type	Name	Description
MixedRealityInputSystemProfile	profile	The configuration profile for the service.

Properties

FocusLayerMasks

The layer masks for the focus pointers to raycast against.

Declaration

public LayerMask[] FocusLayerMasks { get; }

Property Value

Type	Description
LayerMask[]

GazePointerBehavior

Pointer behavior for the gaze pointer. We make gaze pointer unique because the internal gaze pointer actually cannot be referenced from here since it's an internal class.

Declaration

public PointerBehavior GazePointerBehavior { get; set; }

Property Value

Type	Description
PointerBehavior

Name

Optional Priority attribute if multiple services of the same type are required, enables targeting a service for action.

Declaration

public override string Name { get; protected set; }

Property Value

Type	Description
String

Overrides

BaseService.Name

NumFarPointersActive

The number of pointers that support far interaction (like motion controller rays, hand rays) that are active (IsInteractionEnabled == true), excluding the gaze cursor

Declaration

public int NumFarPointersActive { get; }

Property Value

Type	Description
Int32

NumNearPointersActive

Number of IMixedRealityNearPointers that are active (IsInteractionEnabled == true).

Declaration

public int NumNearPointersActive { get; }

Property Value

Type	Description
Int32

PointerMediators

Declaration

public IReadOnlyDictionary<uint, IMixedRealityPointerMediator> PointerMediators { get; }

Property Value

Type	Description
IReadOnlyDictionary<UInt32, IMixedRealityPointerMediator>

PrimaryPointer

Declaration

public IMixedRealityPointer PrimaryPointer { get; }

Property Value

Type	Description
IMixedRealityPointer

Priority

Optional Priority to reorder registered managers based on their respective priority, reduces the risk of race conditions by prioritizing the order in which managers are evaluated.

Declaration

public override uint Priority { get; }

Property Value

Type	Description
UInt32

Overrides

BaseService.Priority

UIRaycastCamera

The Camera the EventSystem uses to raycast against.

Declaration

public Camera UIRaycastCamera { get; }

Property Value

Type	Description
Camera

Remarks

Every uGUI canvas in your scene should use this camera as its event camera.

Methods

Destroy()

Optional Destroy function to perform cleanup of the service before the Mixed Reality Toolkit is destroyed.

Declaration

public override void Destroy()

Overrides

BaseEventSystem.Destroy()

GenerateNewPointerId()

Generate a new unique pointer id.

Declaration

public uint GenerateNewPointerId()

Returns

Type	Description
UInt32

GetFocusedObject(IMixedRealityPointer)

Gets the currently focused object for the pointing source.

Declaration

public GameObject GetFocusedObject(IMixedRealityPointer pointingSource)

Parameters

Type	Name	Description
IMixedRealityPointer	pointingSource

Returns

Type	Description
GameObject	Currently Focused Object.

Remarks

If the pointing source is not registered, then the Gaze's Focused GameObject is returned.

GetPointerBehavior(IMixedRealityPointer)

Gets the PointerBehavior for a given pointer

Declaration

public PointerBehavior GetPointerBehavior(IMixedRealityPointer pointer)

Parameters

Type	Name	Description
IMixedRealityPointer	pointer

Returns

Type	Description
PointerBehavior

GetPointerBehavior<T>(Handedness, InputSourceType)

Gets the behavior for the given pointer type.

Declaration

public PointerBehavior GetPointerBehavior<T>(Handedness handedness, InputSourceType sourceType)
    where T : class, IMixedRealityPointer

Parameters

Type	Name	Description
Handedness	handedness	Handedness to query
InputSourceType	sourceType

Returns

Type	Description
PointerBehavior	PointerBehavior for the given pointer type and handedness. If right hand is enabled, left hand is not enabled, and Handedness.Any is passed, returns value for the right hand.

Type Parameters

Name	Description
T

GetPointers<T>()

Provides access to all registered pointers of a specified type.

Declaration

public IEnumerable<T> GetPointers<T>()
    where T : class, IMixedRealityPointer

Returns

Type	Description
IEnumerable<T>

Type Parameters

Name	Description
T	The type of pointers to request. Use IMixedRealityPointer to access all pointers.

Initialize()

The initialize function is used to setup the service once created. This method is called once all services have been registered in the Mixed Reality Toolkit.

Declaration

public override void Initialize()

Overrides

BaseService.Initialize()

IsPointerRegistered(IMixedRealityPointer)

Checks if the pointer is registered with the Focus Manager.

Declaration

public bool IsPointerRegistered(IMixedRealityPointer pointer)

Parameters

Type	Name	Description
IMixedRealityPointer	pointer

Returns

Type	Description
Boolean	True, if registered, otherwise false.

OnSourceDetected(SourceStateEventData)

Raised when a source is detected.

Declaration

public void OnSourceDetected(SourceStateEventData eventData)

Parameters

Type	Name	Description
SourceStateEventData	eventData

OnSourceLost(SourceStateEventData)

Raised when a source is lost.

Declaration

public void OnSourceLost(SourceStateEventData eventData)

Parameters

Type	Name	Description
SourceStateEventData	eventData

OnSpeechKeywordRecognized(SpeechEventData)

Declaration

public void OnSpeechKeywordRecognized(SpeechEventData eventData)

Parameters

Type	Name	Description
SpeechEventData	eventData

RegisterPointer(IMixedRealityPointer)

Registers the pointer with the Focus Manager.

Declaration

public bool RegisterPointer(IMixedRealityPointer pointer)

Parameters

Type	Name	Description
IMixedRealityPointer	pointer

Returns

Type	Description
Boolean	True, if the pointer was registered, false if the pointer was previously registered.

SetPointerBehavior<T>(Handedness, InputSourceType, PointerBehavior)

Sets the PointerBehavior for a given pointer type, handedness, and input type

Declaration

public void SetPointerBehavior<T>(Handedness handedness, InputSourceType inputType, PointerBehavior pointerBehavior)
    where T : class, IMixedRealityPointer

Parameters

Type	Name	Description
Handedness	handedness	Specify Handedness.Any to apply to all handedness, or specify a specific handedness to just disable, right, left.
InputSourceType	inputType
PointerBehavior	pointerBehavior

Type Parameters

Name	Description
T	All pointers that are of this type, or a subclass of this type, will have the given behavior

SubscribeToPrimaryPointerChanged(PrimaryPointerChangedHandler, Boolean)

Declaration

public void SubscribeToPrimaryPointerChanged(PrimaryPointerChangedHandler handler, bool invokeHandlerWithCurrentPointer)

Parameters

Type	Name	Description
PrimaryPointerChangedHandler	handler
Boolean	invokeHandlerWithCurrentPointer

TryGetFocusDetails(IMixedRealityPointer, out FocusDetails)

Gets the currently focused object for the pointing source.

Declaration

public bool TryGetFocusDetails(IMixedRealityPointer pointer, out FocusDetails focusDetails)

Parameters

Type	Name	Description
IMixedRealityPointer	pointer
FocusDetails	focusDetails

Returns

Type	Description
Boolean

TryOverrideFocusDetails(IMixedRealityPointer, FocusDetails)

Sets the FocusDetails of the specified pointer, overriding the focus point that was currently set. This can be used to change the FocusDetails of a specific pointer even if focus is locked.

Declaration

public bool TryOverrideFocusDetails(IMixedRealityPointer pointer, FocusDetails focusDetails)

Parameters

Type	Name	Description
IMixedRealityPointer	pointer
FocusDetails	focusDetails

Returns

Type	Description
Boolean	True if the FocusDetails were set successfully. False if the pointer is not associated with the FocusProvider.

UnregisterPointer(IMixedRealityPointer)

Unregisters the pointer with the Focus Manager.

Declaration

public bool UnregisterPointer(IMixedRealityPointer pointer)

Parameters

Type	Name	Description
IMixedRealityPointer	pointer

Returns

Type	Description
Boolean	True, if the pointer was unregistered, false if the pointer was not registered.

UnsubscribeFromPrimaryPointerChanged(PrimaryPointerChangedHandler)

Declaration

public void UnsubscribeFromPrimaryPointerChanged(PrimaryPointerChangedHandler handler)

Parameters

Type	Name	Description
PrimaryPointerChangedHandler	handler

Update()

Optional Update function to perform per-frame updates of the service.

Declaration

public override void Update()

Overrides

BaseService.Update()

Explicit Interface Implementations

IMixedRealityFocusProvider.GlobalPointingExtent

Maximum distance at which all pointers can collide with a GameObject, unless it has an override extent.

Declaration

float IMixedRealityFocusProvider.GlobalPointingExtent { get; }

Returns

Type	Description
Single

Implements

IMixedRealityEventSystem

IMixedRealityFocusProvider

IMixedRealityService

IDisposable

IMixedRealitySourceStateHandler

IMixedRealitySpeechHandler

IMixedRealityBaseInputHandler

IEventSystemHandler

IPointerPreferences