//
//  FocusDelegate.swift
//  NuguCore
//
//  Created by MinChul Lee on 24/04/2019.
//  Copyright (c) 2019 SK Telecom Co., Ltd. All rights reserved.
//
//  Licensed under the Apache License, Version 2.0 (the "License");
//  you may not use this file except in compliance with the License.
//  You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS,
//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  See the License for the specific language governing permissions and
//  limitations under the License.
//

import Foundation

/// An delegate that appllication can extend to register to observe focus changes.
public protocol FocusDelegate: class {
    /// Determines whether the `AVAudioSession` should be activates.
    ///
    /// This mehthod called When the `FocusManager` receives a `requestFocus:channelDelegate:`
    func focusShouldAcquire() -> Bool
    
    /// Determines whether the `AVAudioSession` should be deactivates.
    func focusShouldRelease()
}
