NetNewsWire/iOS/MasterFeed/UpdateSelectionOperation.swift

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//
// UpdateSelectionOperation.swift
// NetNewsWire-iOS
//
// Created by Maurice Parker on 2/22/20.
// Copyright © 2020 Ranchero Software. All rights reserved.
//
import UIKit
import RSCore
class UpdateSelectionOperation: MainThreadOperation {
// MainThreadOperation
public var isCanceled = false
public var id: Int?
public weak var operationDelegate: MainThreadOperationDelegate?
public var name: String? = "UpdateSelectionOperation"
public var completionBlock: MainThreadOperation.MainThreadOperationCompletionBlock?
private var coordinator: SceneCoordinator
private var dataSource: MasterFeedDataSource
private var tableView: UITableView
private var animations: Animations
init(coordinator: SceneCoordinator, dataSource: MasterFeedDataSource, tableView: UITableView, animations: Animations) {
self.coordinator = coordinator
self.dataSource = dataSource
self.tableView = tableView
self.animations = animations
}
func run() {
if dataSource.snapshot().numberOfItems > 0 {
if let indexPath = coordinator.currentFeedIndexPath {
CATransaction.begin()
CATransaction.setCompletionBlock {
self.operationDelegate?.operationDidComplete(self)
}
tableView.selectRowAndScrollIfNotVisible(at: indexPath, animations: animations)
CATransaction.commit()
} else {
if let indexPath = tableView.indexPathForSelectedRow {
if animations.contains(.select) {
CATransaction.begin()
CATransaction.setCompletionBlock {
self.operationDelegate?.operationDidComplete(self)
}
tableView.deselectRow(at: indexPath, animated: true)
CATransaction.commit()
} else {
tableView.deselectRow(at: indexPath, animated: false)
self.operationDelegate?.operationDidComplete(self)
}
} else {
self.operationDelegate?.operationDidComplete(self)
}
}
} else {
self.operationDelegate?.operationDidComplete(self)
}
}
}