Class BrailleService

constructor

• new BrailleService(
      context: Context,
      notification: NotificationService,
      display: DisplayService,
      settings: SettingsService,
  ): BrailleService

  Creates an instance of BrailleService.

  Parameters

  • context: Context

    Navigation context

  • notification: NotificationService

    Service for user notifications

  • display: DisplayService

    Service for managing display focus

  • settings: SettingsService

  Returns BrailleService

ReadonlyonChange

isEnabled

• get isEnabled(): boolean

  Returns whether braille mode is currently enabled.

  Returns boolean

dispose

• dispose(): void

  Cleans up braille service resources and clears caches.

  Returns void

refreshDisplay

• refreshDisplay(state: TraceState): void

  Refreshes the braille display with the given trace state. Called explicitly when entering a new subplot with braille enabled, because the model's notifyStateUpdate is not invoked on entry (doing so would fan out to all observers, including AudioService, causing an unwanted tone).

  Parameters

  • state: TraceState

    The trace state to display

  Returns void

update

• update(state: SubplotState | TraceState): void

  Updates the braille display based on plot state changes.

  Parameters

  • state: SubplotState | TraceState

    Updated subplot or trace state

  Returns void

moveToIndex

• moveToIndex(index: number): void

  Moves the navigation cursor to a specific braille index position.

  Parameters

  • index: number

    Target index in the braille display

  Returns void

toggle

• toggle(state: TraceState): void

  Toggles braille mode on or off for the current trace.

  Parameters

  • state: TraceState

    Current trace state

  Returns void