//
//  Copyright (c) 2018 cauli.works
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to deal
//  in the Software without restriction, including without limitation the rights
//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in
//  all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//  THE SOFTWARE.
//

#if os(iOS)

import UIKit

internal struct Notification {
    static let shakeMotionDidEnd = NSNotification.Name(rawValue: "cauli_shakeMotionDidEnd")
}

extension UIWindow {
    /// We hook into this function to post a Notification whenever the device is shaken
    /// and subsequentially display the Cauli UI. If this function is overridden in the client
    /// application, the notification is not posted and the UI hast to be displayed manually.
    override open func motionEnded(_ motion: UIEvent.EventSubtype, with event: UIEvent?) {
        if let event = event,
            event.type == .motion,
            event.subtype == .motionShake {
            NotificationCenter.default.post(name: Notification.shakeMotionDidEnd, object: self)
        }
        super.motionEnded(motion, with: event)
    }
}
#endif
