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Code Issues 95 Packages Projects Releases 10 Wiki Activity

WIP

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This commit is contained in:
John Estropia
2019-10-08 21:09:34 +09:00
parent b073b7e795
commit d5114fc4bc
13 changed files with 1393 additions and 225 deletions
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65
Sources/Internals.FetchedDiffableDataSourceSnapshotDelegate.swift
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@@ -23,8 +23,6 @@
// SOFTWARE.
//
#if canImport(UIKit) || canImport(AppKit)
import Foundation
import CoreData
@@ -41,10 +39,9 @@ import AppKit
// 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)
func controller(_ controller: NSFetchedResultsController<NSFetchRequestResult>, didChangContentWith snapshot: Internals.DiffableDataSourceSnapshot)
}
@@ -54,7 +51,6 @@ 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
@@ -77,18 +73,71 @@ extension Internals {
self.fetchedResultsController?.delegate = nil
}
internal func initialFetch() {
#if canImport(UIKit) || canImport(AppKit)
if #available(iOS 13.0, tvOS 13.0, watchOS 6.0, macOS 15.0, *) {
return
}
#endif
guard let fetchedResultsController = self.fetchedResultsController else {
return
}
self.controllerDidChangeContent(fetchedResultsController.dynamicCast())
}
// MARK: NSFetchedResultsControllerDelegate
#if canImport(UIKit) || canImport(AppKit)
@available(iOS 13.0, tvOS 13.0, watchOS 6.0, macOS 15.0, *)
@objc
dynamic func controller(_ controller: NSFetchedResultsController<NSFetchRequestResult>, didChangeContentWith snapshot: NSDiffableDataSourceSnapshotReference) {
self.handler?.controller(
controller,
didChangContentWith: snapshot
didChangContentWith: snapshot as NSDiffableDataSourceSnapshot<NSString, NSManagedObjectID>
)
}
#endif
@objc
dynamic func controllerWillChangeContent(_ controller: NSFetchedResultsController<NSFetchRequestResult>) {
self.reloadedIDs = []
}
@objc
dynamic func controllerDidChangeContent(_ controller: NSFetchedResultsController<NSFetchRequestResult>) {
self.handler?.controller(
controller,
didChangContentWith: FallbackDiffableDataSourceSnapshot(
sections: controller.sections ?? []
)
)
self.reloadedIDs = []
}
// @objc
// dynamic func controller(_ controller: NSFetchedResultsController<NSFetchRequestResult>, didChange anObject: Any, at indexPath: IndexPath?, for type: NSFetchedResultsChangeType, newIndexPath: IndexPath?) {
//
//
//// [1].difference(from: <#T##BidirectionalCollection#>)
// let managedObject = anObject as! NSManagedObject
// self.reloadedIDs.insert(managedObject.objectID)
// }
// MARK: Private
private var reloadedIDs: Set<NSManagedObjectID> = []
}
}
#endif