/*

See LICENSE folder for this sample’s licensing information.

Abstract:

An example demonstrating adding accessibility to a CALayer subclass that behaves like an image by implementing the NSAccessibilityImage protocol.

*/

import Cocoa

import QuartzCore

class CustomImageLayer: CALayer, NSAccessibilityImage {

    var parent: NSView!

    var titleElement: CustomTextLayer!

    // MARK: NSAccessibilityImage

    func accessibilityFrame() -> NSRect {

        return NSAccessibilityFrameInView(parent, frame)

    }

    func accessibilityParent() -> Any? {

        return NSAccessibilityUnignoredAncestor(parent)

    }

    func accessibilityLabel() -> String? {

        return titleElement.string as? String

    }

    func accessibilityTitleUIElement() -> Any? {

        return titleElement

    }

}