/*

See LICENSE folder for this sample’s licensing information.

Abstract:

An example demonstrating setup of an accessibility rotor to search for fruit buttons.

*/

import Cocoa

@available(OSX 10.13, *)

class CustomRotorsContainerView: NSView {

    weak var delegate: CustomRotorsElementViewDelegate?

    // MARK: - View Lifecycle

    required override init(frame frameRect: NSRect) {

        super.init(frame: frameRect)

    }

    required init?(coder aDecoder: NSCoder) {

        super.init(coder: aDecoder)

    }

    // MARK: - Drawing

    override func draw(_ dirtyRect: NSRect) {

        // Draw the outline background.

        NSColor.lightGray.set()

        bounds.fill()

    }

    // MARK: - Accessibility

    override func isAccessibilityElement() -> Bool {

        return true

    }

    override func accessibilityRole() -> NSAccessibilityRole? {

        return NSAccessibilityRole.group

    }

    override func accessibilityLabel() -> String? {

        return NSLocalizedString("Fruit to Color", comment: "")

    }

    override func accessibilityCustomRotors() -> [NSAccessibilityCustomRotor] {

        return delegate!.createCustomRotors()

    }

}

@available(OSX 10.13, *)

protocol CustomRotorsElementViewDelegate : class {

    func createCustomRotors() -> [NSAccessibilityCustomRotor]

}