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CameraHistoryTrait 

struct CameraHistoryTrait

This trait provides an interface to retrieve a camera’s historical events.

  • List of the event types that are supported by CameraHistoryTrait.

    Declaration

    Swift

    static let supportedEventTypes: [any Event.Type]

  • No supported commands for CameraHistoryTrait.

    Declaration

    Swift

    static let supportedCommandTypes: [any Command.Type]

  • The trait identifier.

    Declaration

    Swift

    static let identifier: String

  • Metadata about this Trait.

    Declaration

    Swift

    let metadata: TraitMetadata

  • List of attributes for the CameraHistoryTrait.

    Declaration

    Swift

    let attributes: Google.CameraHistoryTrait.Attributes

  • Creates a new Trait instance using data read from the given TraitDecoder.

    Throws

    HomeError.parseError when parsing fails.

    Declaration

    Swift

    init(decoder: TraitDecoder, interactionProxy: (any InteractionProxy)?, metadata: TraitMetadata) throws

    Parameters

    decoder

    The raw data representing this Trait.
    interactionProxy

    Proxy to the Interaction Client.
    metadata

    Metadata about this Trait.

  • Writes this object to the given TraitEncoder. Throws HomeError.encodingFailed if the data could not be encoded.

    Declaration

    Swift

    func encode(with encoder: TraitEncoder) throws

  • This API provides the ability to invalidate state retrieved through subscriptions to the target device in the cases where state is not being reported correctly, either intentionally (e.g attributes in Matter traits with the “C” quality) or unintentionally due to poor implementations.

    When successful, this API will result in a forced read of the convening scope as specified by the sub-class and return the result through existing Trait subscriptions if present and active.

    This API is to be used sparingly as it can impact the performance and battery life of the target device. As such, this API may be throttled by the platform. Callers SHALL be prepared to deal with HomeErrors thrown by this call.

    Declaration

    Swift

    func forceRead() async throws

  • Attributes for the CameraHistoryTrait.

    Declaration

    Swift

    struct Attributes

  • Returns a Boolean value indicating whether two values are equal.

    Equality is the inverse of inequality. For any values a and b, a == b implies that a != b is false.

    Declaration

    Swift

    static func == (lhs: Google.CameraHistoryTrait, rhs: Google.CameraHistoryTrait) -> Bool

    Parameters

    lhs

    A value to compare.
    rhs

    Another value to compare.

  • Hashes the essential components of this value by feeding them into the given hasher.

    Implement this method to conform to the Hashable protocol. The components used for hashing must be the same as the components compared in your type’s == operator implementation. Call hasher.combine(_:) with each of these components.

    Important

    In your implementation of hash(into:), don’t call finalize() on the hasher instance provided, or replace it with a different instance. Doing so may become a compile-time error in the future.

    Declaration

    Swift

    func hash(into hasher: inout Hasher)

  • Defines a zone where the event occurred.

    Declaration

    Swift

    struct Zone

  • Information about a face that was detected by the camera.

    Declaration

    Swift

    struct Face

  • A track of detected events within a camera session, with details about what was detected.

    Declaration

    Swift

    struct EventTrack

  • Groups together various URLs for accessing different media formats (preview, thumbnail, MP4, DASH, HLS) associated with a camera history event session.

    Declaration

    Swift

    struct MediaUrl

  • Information about a caption that was detected by the camera.

    Declaration

    Swift

    struct Caption

  • Represents a single event session recorded by the camera, with comprehensive details about the session.

    Declaration

    Swift

    struct HistoryItemEvent

  • The type of event that the camera recorded.

    Declaration

    Swift

    enum EventType

  • The type of caption for the event session.

    Declaration

    Swift

    enum CaptionType