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// Copyright 2016 The Tulsi Authors. 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
@objc
protocol WizardSubviewProtocol {
/// Informs the receiver of the enclosing WizardViewController.
var presentingWizardViewController: ConfigEditorWizardViewController? { get set }
/// Invoked when the wizard subview is about to become active due to a "next" navigation.
@objc optional func wizardSubviewWillActivateMovingForward()
/// Invoked when the wizard subview is about to become active due to a "previous" navigation.
@objc optional func wizardSubviewWillActivateMovingBackward()
/// Invoked when the wizard subview is about to become inactive due to a "next" navigation. If the
/// receiver returns false, the navigation action will be cancelled.
@objc optional func shouldWizardSubviewDeactivateMovingForward() -> Bool
/// Invoked when the wizard subview is about to become inactive due to a "previous" navigation. If
/// the receiver returns false, the navigation action will be cancelled.
@objc optional func shouldWizardSubviewDeactivateMovingBackward() -> Bool
/// Invoked when the wizard subview is no longer active.
@objc optional func wizardSubviewDidDeactivate()
}