mirror of
https://github.com/JohnEstropia/CoreStore.git
synced 2026-01-15 13:43:43 +01:00
95 lines
2.8 KiB
Swift
95 lines
2.8 KiB
Swift
//
|
|
// Internals.FetchedDiffableDataSourceSnapshotDelegate.swift
|
|
// CoreStore
|
|
//
|
|
// Copyright © 2018 John Rommel Estropia
|
|
//
|
|
// 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 canImport(UIKit) || canImport(AppKit)
|
|
|
|
import Foundation
|
|
import CoreData
|
|
|
|
#if canImport(UIKit)
|
|
|
|
import UIKit
|
|
|
|
#elseif canImport(AppKit)
|
|
|
|
import AppKit
|
|
|
|
#endif
|
|
|
|
|
|
// MARK: - FetchedDiffableDataSourceSnapshot
|
|
|
|
@available(iOS 13.0, tvOS 13.0, watchOS 6.0, macOS 15.0, *)
|
|
internal protocol FetchedDiffableDataSourceSnapshotHandler: AnyObject {
|
|
|
|
func controller(_ controller: NSFetchedResultsController<NSFetchRequestResult>, didChangContentWith snapshot: NSDiffableDataSourceSnapshotReference)
|
|
}
|
|
|
|
|
|
// MARK: - Internal
|
|
|
|
extension Internals {
|
|
|
|
// MARK: - FetchedDiffableDataSourceSnapshotDelegate
|
|
|
|
@available(iOS 13.0, tvOS 13.0, watchOS 6.0, macOS 15.0, *)
|
|
internal final class FetchedDiffableDataSourceSnapshotDelegate: NSObject, NSFetchedResultsControllerDelegate {
|
|
|
|
// MARK: Internal
|
|
|
|
@nonobjc
|
|
internal weak var handler: FetchedDiffableDataSourceSnapshotHandler?
|
|
|
|
@nonobjc
|
|
internal weak var fetchedResultsController: Internals.CoreStoreFetchedResultsController? {
|
|
|
|
didSet {
|
|
|
|
oldValue?.delegate = nil
|
|
self.fetchedResultsController?.delegate = self
|
|
}
|
|
}
|
|
|
|
deinit {
|
|
|
|
self.fetchedResultsController?.delegate = nil
|
|
}
|
|
|
|
|
|
// MARK: NSFetchedResultsControllerDelegate
|
|
|
|
@objc
|
|
dynamic func controller(_ controller: NSFetchedResultsController<NSFetchRequestResult>, didChangeContentWith snapshot: NSDiffableDataSourceSnapshotReference) {
|
|
|
|
self.handler?.controller(
|
|
controller,
|
|
didChangContentWith: snapshot
|
|
)
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|