ComplicationController.swift

//
//  ComplicationController.swift
//  OpenGpxTracker-Watch Extension
//
//  Created by Vincent on 5/2/19.
//  Copyright © 2019 TransitBox. All rights reserved.
//

import ClockKit

class ComplicationController: NSObject, CLKComplicationDataSource {
    
    // MARK: - Timeline Configuration
    
    func getSupportedTimeTravelDirections(for complication: CLKComplication,
                                          withHandler handler: @escaping (CLKComplicationTimeTravelDirections) -> Void) {
        handler([.forward, .backward])
    }
    
    func getTimelineStartDate(for complication: CLKComplication, withHandler handler: @escaping (Date?) -> Void) {
        handler(nil)
    }
    
    func getTimelineEndDate(for complication: CLKComplication, withHandler handler: @escaping (Date?) -> Void) {
        handler(nil)
    }
    
    func getPrivacyBehavior(for complication: CLKComplication, withHandler handler: @escaping (CLKComplicationPrivacyBehavior) -> Void) {
        handler(.showOnLockScreen)
    }
    
    // MARK: - Timeline Population
    
    func getCurrentTimelineEntry(for complication: CLKComplication, withHandler handler: @escaping (CLKComplicationTimelineEntry?) -> Void) {
        // Call the handler with the current timeline entry
        handler(nil)
    }
    
    func getTimelineEntries(for complication: CLKComplication, before date: Date, limit: Int,
                            withHandler handler: @escaping ([CLKComplicationTimelineEntry]?) -> Void) {
        // Call the handler with the timeline entries prior to the given date
        handler(nil)
    }
    
    func getTimelineEntries(for complication: CLKComplication, after date: Date, limit: Int,
                            withHandler handler: @escaping ([CLKComplicationTimelineEntry]?) -> Void) {
        // Call the handler with the timeline entries after to the given date
        handler(nil)
    }
    
    // MARK: - Placeholder Templates
    
    func getLocalizableSampleTemplate(for complication: CLKComplication, withHandler handler: @escaping (CLKComplicationTemplate?) -> Void) {
        // This method will be called once per supported complication, and the results will be cached
        handler(nil)
    }
    
}