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Commit 09db164d by Daniel Dahan
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added PhotoLibrary support

parent 10d035e7
Showing with 199 additions and 284 deletions
Sources/iOS/PhotoLibrary.swift
......@@ -30,17 +30,6 @@
import Photos
public struct PhotoLibraryDataSource {
/// A reference to the calling PHFetchResult.
public private(set) var fetchResult: PHFetchResult<PHAsset>
/// A reference to a PHAssetCollection returned from the fetchResult.
public private(set) var collection: PHAssetCollection
/// A reference to an Array of PHAssets for the PHAssetCollection.
public private(set) var assets: [PHAsset]
}
@objc(PhotoLibraryMove)
public class PhotoLibraryMove: NSObject {
/// An index that is being moved from.
......@@ -61,8 +50,11 @@ public class PhotoLibraryMove: NSObject {
}
public struct PhotoLibraryFetchResultDataSource {
public private(set) var fetchResult: PHFetchResult<PHObject>
public private(set) var objects: [PHObject]
/// A reference to the PHFetchResults.
public internal(set) var fetchResult: PHFetchResult<PHObject>
/// A reference to the objects associated with the PHFetchResult.
public internal(set) var objects: [PHObject]
}
@objc(PhotoLibraryDelegate)
......@@ -181,28 +173,7 @@ public class PhotoLibrary: NSObject {
public private(set) lazy var cachingImageManager = PHCachingImageManager()
/// A reference to all current PHFetchResults.
public private(set) lazy var fetchResults = [PhotoLibraryFetchResultDataSource]()
/// The assets used in the album.
public private(set) var collections = [PhotoLibraryDataSource]() {
willSet {
guard .authorized == authorizationStatus else {
return
}
cachingImageManager.stopCachingImagesForAllAssets()
}
didSet {
guard .authorized == authorizationStatus else {
return
}
for dataSource in collections {
cachingImageManager.startCachingImages(for: dataSource.assets, targetSize: PHImageManagerMaximumSize, contentMode: .aspectFit, options: nil)
}
}
}
public private(set) lazy var fetchResultsDataSource = [String: PhotoLibraryFetchResultDataSource]()
/// A reference to a PhotoLibraryDelegate.
public weak var delegate: PhotoLibraryDelegate?
......@@ -223,70 +194,6 @@ public class PhotoLibrary: NSObject {
prepare()
}
// /**
// Fetch all the PHAssetCollections asynchronously based on a type and subtype.
// - Parameter type: A PHAssetCollectionType.
// - Parameter subtype: A PHAssetCollectionSubtype.
// - Parameter completion: A completion block.
// */
// public func fetchAssetCollections(with type: PHAssetCollectionType, subtype: PHAssetCollectionSubtype, completion: ([PhotoLibraryDataSource]) -> Void) {
// self.type = type
// self.subtype = subtype
//
// DispatchQueue.global(qos: .default).async { [weak self, type = type, subtype = subtype, completion = completion] in
// guard let s = self else {
// return
// }
//
// defer {
// DispatchQueue.main.async { [weak self] in
// guard let s = self else {
// return
// }
// completion(s.collections)
// }
// }
//
// let options = PHFetchOptions()
// options.includeHiddenAssets = true
// options.includeAllBurstAssets = true
// options.wantsIncrementalChangeDetails = true
//
// s.collectionFetchResult = PHAssetCollection.fetchAssetCollections(with: type, subtype: subtype, options: options)
//
// s.collectionFetchResult?.enumerateObjects(options: [.concurrent]) { [weak self] (collection, _, _) in
// guard let s = self else {
// return
// }
//
// let options = PHFetchOptions()
// let descriptor = NSSortDescriptor(key: "creationDate", ascending: false)
// options.sortDescriptors = [descriptor]
// options.includeHiddenAssets = true
// options.includeAllBurstAssets = true
// options.wantsIncrementalChangeDetails = true
//
// s.fetchAssets(in: collection, options: options) { [weak self] (assets, fetchResult) in
// guard let s = self else {
// return
// }
// s.collections.append(PhotoLibraryDataSource(fetchResult: fetchResult, collection: collection, assets: assets))
// }
// }
// }
// }
/**
Performes an asynchronous change to the PHPhotoLibrary database.
- Parameter _ block: A transactional block that ensures that
all changes to the PHPhotoLibrary are atomic.
- Parameter completion: A completion block that is executed once the
transaction has been completed.
*/
public func performChanges(_ block: () -> Void, completion: ((Bool, Error?) -> Void)? = nil) {
PHPhotoLibrary.shared().performChanges(block, completionHandler: completion)
}
/// A method used to prepare the instance object.
private func prepare() {
prepareChangeObservers()
......@@ -338,95 +245,6 @@ extension PhotoLibrary {
}
}
/// PHImageManager.
extension PhotoLibrary {
/**
Retrieves an optional UIImage for a given PHAsset that allows for a targetSize
and contentMode.
- Parameter for asset: A PHAsset.
- Parameter targetSize: A CGSize.
- Parameter contentMode: A PHImageContentMode.
- Parameter options: A PHImageRequestOptions.
- Parameter completion: A completion block.
- Returns: A PHImageRequestID.
*/
public func requestImage(for asset: PHAsset, targetSize: CGSize, contentMode: PHImageContentMode, options: PHImageRequestOptions?, completion: (UIImage?, [NSObject: AnyObject]?) -> Void) -> PHImageRequestID {
return PHImageManager.default().requestImage(for: asset, targetSize: targetSize, contentMode: contentMode, options: options, resultHandler: completion)
}
/**
Retrieves an optional Data object for a given PHAsset.
- Parameter for asset: A PHAsset.
- Parameter options: A PHImageRequestOptions.
- Parameter completion: A completion block.
- Returns: A PHImageRequestID.
*/
public func requestImageData(for asset: PHAsset, options: PHImageRequestOptions?, completion: (Data?, String?, UIImageOrientation, [NSObject: AnyObject]?) -> Void) -> PHImageRequestID {
return PHImageManager.default().requestImageData(for: asset, options: options, resultHandler: completion)
}
/**
Cancels an image request for a given PHImageRequestID.
- Parameter for requestID: A PHImageRequestID.
*/
public func cancelImageRequest(for requestID: PHImageRequestID) {
PHImageManager.default().cancelImageRequest(requestID)
}
/**
Requests a live photo representation of the asset. With
oportunistic (or if no
options are specified), the resultHandler block may be
called more than once (the first call may occur before
the method returns). The PHImageResultIsDegradedKey key
in the result handler's info parameter indicates when a
temporary low-quality live photo is provided.
- Parameter for asset: A PHAsset.
- Parameter targetSize: A CGSize.
- Parameter contentMode: A PHImageContentMode.
- Parameter options: A PHImageRequestOptions.
- Parameter completion: A completion block.
- Returns: A PHImageRequestID.
*/
@available(iOS 9.1, *)
public func requestLivePhoto(for asset: PHAsset, targetSize: CGSize, contentMode: PHImageContentMode, options: PHLivePhotoRequestOptions?, completion: (PHLivePhoto?, [NSObject : AnyObject]?) -> Void) -> PHImageRequestID {
return PHImageManager.default().requestLivePhoto(for: asset, targetSize: targetSize, contentMode: contentMode, options: options, resultHandler: completion)
}
/**
For playback only.
- Parameter forVideo asset: A PHAsset.
- Parameter options: A PHImageRequestOptions.
- Parameter completion: A completion block.
- Returns: A PHImageRequestID.
*/
public func requestPlayerItem(forVideo asset: PHAsset, options: PHVideoRequestOptions?, completion: (AVPlayerItem?, [NSObject : AnyObject]?) -> Swift.Void) -> PHImageRequestID {
return PHImageManager.default().requestPlayerItem(forVideo: asset, options: options, resultHandler: completion)
}
/**
Export.
- Parameter forVideo asset: A PHAsset.
- Parameter options: A PHImageRequestOptions.
- Parameter completion: A completion block.
- Returns: A PHImageRequestID.
*/
public func requestExportSession(forVideo asset: PHAsset, options: PHVideoRequestOptions?, exportPreset: String, completion: (AVAssetExportSession?, [NSObject : AnyObject]?) -> Void) -> PHImageRequestID {
return PHImageManager.default().requestExportSession(forVideo: asset, options: options, exportPreset: exportPreset, resultHandler: completion)
}
/**
For all other requests.
- Parameter forVideo asset: A PHAsset.
- Parameter options: A PHImageRequestOptions.
- Parameter completion: A completion block.
- Returns: A PHImageRequestID.
*/
public func requestAVAsset(forVideo asset: PHAsset, options: PHVideoRequestOptions?, completion: (AVAsset?, AVAudioMix?, [NSObject : AnyObject]?) -> Void) -> PHImageRequestID {
return PHImageManager.default().requestAVAsset(forVideo: asset, options: options, resultHandler: completion)
}
}
/// Fetch.
extension PhotoLibrary {
/**
......@@ -434,20 +252,22 @@ extension PhotoLibrary {
- Parameter fetchResult: A PHFetchResult<T>.
- Parameter completion: A completion block.
*/
private func fetch<T: PHFetchResult<U>, U: PHObject>(result: T, completion: ([U], T) -> Void) {
private func fetch<T: PHFetchResult<U>, U: PHObject>(caller: String, result: T, completion: ([U], T) -> Void) {
var objects = [U]()
defer {
// Stores for change observation.
fetchResults.append(PhotoLibraryFetchResultDataSource(fetchResult: result as! PHFetchResult<PHObject>, objects: objects))
}
result.enumerateObjects({ (collection, _, _) in
objects.append(collection)
})
DispatchQueue.main.async { [objects = objects, result = result, completion = completion] in
// Used in change observation.
fetchResultsDataSource[caller] = PhotoLibraryFetchResultDataSource(fetchResult: result as! PHFetchResult<PHObject>, objects: objects)
if Thread.isMainThread {
completion(objects, result)
} else {
DispatchQueue.main.async { [objects = objects, result = result, completion = completion] in
completion(objects, result)
}
}
}
}
......@@ -464,7 +284,7 @@ extension PhotoLibrary {
- Parameter completion: A completion callback.
*/
public func fetchCollectionListsContaining(_ collection: PHCollection, options: PHFetchOptions?, completion: ([PHCollectionList], PHFetchResult<PHCollectionList>) -> Void) {
fetch(result: PHCollectionList.fetchCollectionListsContaining(collection, options: options), completion: completion)
fetch(caller: #function, result: PHCollectionList.fetchCollectionListsContaining(collection, options: options), completion: completion)
}
/**
......@@ -475,7 +295,7 @@ extension PhotoLibrary {
- Parameter completion: A completion callback.
*/
public func fetchCollectionList(with type: PHCollectionListType, subtype: PHCollectionListSubtype, options: PHFetchOptions?, completion: ([PHCollectionList], PHFetchResult<PHCollectionList>) -> Void) {
fetch(result: PHCollectionList.fetchCollectionLists(with: type, subtype: subtype, options: options), completion: completion)
fetch(caller: #function, result: PHCollectionList.fetchCollectionLists(with: type, subtype: subtype, options: options), completion: completion)
}
/**
......@@ -488,7 +308,7 @@ extension PhotoLibrary {
- Parameter completion: A completion callback.
*/
public func fetchCollectionLists(withLocalIdentifiers identifiers: [String], options: PHFetchOptions?, completion: ([PHCollectionList], PHFetchResult<PHCollectionList>) -> Void) {
fetch(result: PHCollectionList.fetchCollectionLists(withLocalIdentifiers: identifiers, options: options), completion: completion)
fetch(caller: #function, result: PHCollectionList.fetchCollectionLists(withLocalIdentifiers: identifiers, options: options), completion: completion)
}
/**
......@@ -501,7 +321,7 @@ extension PhotoLibrary {
- Parameter completion: A completion callback.
*/
public func fetchCollectionLists(with collectionListType: PHCollectionListType, subtype: PHCollectionListSubtype, options: PHFetchOptions?, completion: ([PHCollectionList], PHFetchResult<PHCollectionList>) -> Void) {
fetch(result: PHCollectionList.fetchCollectionLists(with: collectionListType, subtype: subtype, options: options), completion: completion)
fetch(caller: #function, result: PHCollectionList.fetchCollectionLists(with: collectionListType, subtype: subtype, options: options), completion: completion)
}
/**
......@@ -512,7 +332,7 @@ extension PhotoLibrary {
- Parameter completion: A completion callback.
*/
public func fetchMomentLists(with momentListSubtype: PHCollectionListSubtype, containingMoment moment: PHAssetCollection, options: PHFetchOptions?, completion: ([PHCollectionList], PHFetchResult<PHCollectionList>) -> Void) {
fetch(result: PHCollectionList.fetchMomentLists(with: momentListSubtype, containingMoment: moment, options: options), completion: completion)
fetch(caller: #function, result: PHCollectionList.fetchMomentLists(with: momentListSubtype, containingMoment: moment, options: options), completion: completion)
}
/**
......@@ -522,7 +342,7 @@ extension PhotoLibrary {
- Parameter completion: A completion callback.
*/
public func fetchMomentLists(with momentListSubtype: PHCollectionListSubtype, options: PHFetchOptions?, completion: ([PHCollectionList], PHFetchResult<PHCollectionList>) -> Void) {
fetch(result: PHCollectionList.fetchMomentLists(with: momentListSubtype, options: options), completion: completion)
fetch(caller: #function, result: PHCollectionList.fetchMomentLists(with: momentListSubtype, options: options), completion: completion)
}
}
......@@ -535,7 +355,7 @@ extension PhotoLibrary {
- Parameter completion: A completion callback.
*/
public func fetchCollections(in collectionList: PHCollectionList, options: PHFetchOptions?, completion: ([PHCollection], PHFetchResult<PHCollection>) -> Void) {
fetch(result: PHCollection.fetchCollections(in: collectionList, options: options), completion: completion)
fetch(caller: #function, result: PHCollection.fetchCollections(in: collectionList, options: options), completion: completion)
}
/**
......@@ -546,7 +366,7 @@ extension PhotoLibrary {
- Parameter completion: A completion callback.
*/
public func fetchTopLevelUserCollections(with options: PHFetchOptions?, completion: ([PHCollection], PHFetchResult<PHCollection>) -> Void) {
fetch(result: PHCollection.fetchTopLevelUserCollections(with: nil), completion: completion)
fetch(caller: #function, result: PHCollection.fetchTopLevelUserCollections(with: nil), completion: completion)
}
}
......@@ -560,7 +380,7 @@ extension PhotoLibrary {
- Parameter completion: A completion block.
*/
public func fetchAssetCollections(withLocalIdentifiers identifiers: [String], options: PHFetchOptions?, completion: ([PHAssetCollection], PHFetchResult<PHAssetCollection>) -> Void) {
fetch(result: PHAssetCollection.fetchAssetCollections(withLocalIdentifiers: identifiers, options: options), completion: completion)
fetch(caller: #function, result: PHAssetCollection.fetchAssetCollections(withLocalIdentifiers: identifiers, options: options), completion: completion)
}
/**
......@@ -572,7 +392,7 @@ extension PhotoLibrary {
- Parameter completion: A completion block.
*/
public func fetchAssetCollections(with type: PHAssetCollectionType, subtype: PHAssetCollectionSubtype, options: PHFetchOptions?, completion: ([PHAssetCollection], PHFetchResult<PHAssetCollection>) -> Void) {
fetch(result: PHAssetCollection.fetchAssetCollections(with: type, subtype: subtype, options: options), completion: completion)
fetch(caller: #function, result: PHAssetCollection.fetchAssetCollections(with: type, subtype: subtype, options: options), completion: completion)
}
/**
......@@ -583,7 +403,7 @@ extension PhotoLibrary {
- Parameter completion: A completion block.
*/
public func fetchAssetCollectionsContaining(_ asset: PHAsset, with type: PHAssetCollectionType, options: PHFetchOptions?, completion: ([PHAssetCollection], PHFetchResult<PHAssetCollection>) -> Void) {
fetch(result: PHAssetCollection.fetchAssetCollectionsContaining(asset, with: type, options: options), completion: completion)
fetch(caller: #function, result: PHAssetCollection.fetchAssetCollectionsContaining(asset, with: type, options: options), completion: completion)
}
/**
......@@ -595,7 +415,7 @@ extension PhotoLibrary {
- Parameter completion: A completion block.
*/
public func fetchAssetCollections(withALAssetGroupURLs assetGroupURLs: [URL], options: PHFetchOptions?, completion: ([PHAssetCollection], PHFetchResult<PHAssetCollection>) -> Void) {
fetch(result: PHAssetCollection.fetchAssetCollections(withALAssetGroupURLs: assetGroupURLs, options: options), completion: completion)
fetch(caller: #function, result: PHAssetCollection.fetchAssetCollections(withALAssetGroupURLs: assetGroupURLs, options: options), completion: completion)
}
/**
......@@ -605,7 +425,7 @@ extension PhotoLibrary {
- Parameter completion: A completion block.
*/
public func fetchMoments(inMomentList momentList: PHCollectionList, options: PHFetchOptions?, completion: ([PHAssetCollection], PHFetchResult<PHAssetCollection>) -> Void) {
fetch(result: PHAssetCollection.fetchMoments(inMomentList: momentList, options: options), completion: completion)
fetch(caller: #function, result: PHAssetCollection.fetchMoments(inMomentList: momentList, options: options), completion: completion)
}
/**
......@@ -614,7 +434,7 @@ extension PhotoLibrary {
- Parameter completion: A completion block.
*/
public func fetchMoments(with options: PHFetchOptions?, completion: ([PHAssetCollection], PHFetchResult<PHAssetCollection>) -> Void) {
fetch(result: PHAssetCollection.fetchMoments(with: options), completion: completion)
fetch(caller: #function, result: PHAssetCollection.fetchMoments(with: options), completion: completion)
}
}
......@@ -627,7 +447,7 @@ extension PhotoLibrary {
- Parameter completion: A completion block.
*/
public func fetchAssets(in assetCollection: PHAssetCollection, options: PHFetchOptions?, completion: ([PHAsset], PHFetchResult<PHAsset>) -> Void) {
fetch(result: PHAsset.fetchAssets(in: assetCollection, options: options), completion: completion)
fetch(caller: #function, result: PHAsset.fetchAssets(in: assetCollection, options: options), completion: completion)
}
/**
......@@ -638,7 +458,7 @@ extension PhotoLibrary {
- Parameter completion: A completion block.
*/
public func fetchAssets(withLocalIdentifiers identifiers: [String], options: PHFetchOptions?, completion: ([PHAsset], PHFetchResult<PHAsset>) -> Void) {
fetch(result: PHAsset.fetchAssets(withLocalIdentifiers: identifiers, options: options), completion: completion)
fetch(caller: #function, result: PHAsset.fetchAssets(withLocalIdentifiers: identifiers, options: options), completion: completion)
}
/**
......@@ -652,7 +472,7 @@ extension PhotoLibrary {
guard let fetchResult = PHAsset.fetchKeyAssets(in: assetCollection, options: options) else {
return nil
}
fetch(result: fetchResult, completion: completion)
fetch(caller: #function, result: fetchResult, completion: completion)
return fetchResult
}
......@@ -664,7 +484,7 @@ extension PhotoLibrary {
- Parameter completion: A completion block.
*/
public func fetchAssets(withBurstIdentifier burstIdentifier: String, options: PHFetchOptions?, completion: ([PHAsset], PHFetchResult<PHAsset>) -> Void) {
fetch(result: PHAsset.fetchAssets(withBurstIdentifier: burstIdentifier, options: options), completion: completion)
fetch(caller: #function, result: PHAsset.fetchAssets(withBurstIdentifier: burstIdentifier, options: options), completion: completion)
}
/**
......@@ -674,7 +494,7 @@ extension PhotoLibrary {
- Parameter completion: A completion block.
*/
public func fetchAssets(with options: PHFetchOptions?, completion: ([PHAsset], PHFetchResult<PHAsset>) -> Void) {
fetch(result: PHAsset.fetchAssets(with: options), completion: completion)
fetch(caller: #function, result: PHAsset.fetchAssets(with: options), completion: completion)
}
/**
......@@ -684,7 +504,7 @@ extension PhotoLibrary {
- Parameter completion: A completion block.
*/
public func fetchAssets(with mediaType: PHAssetMediaType, options: PHFetchOptions?, completion: ([PHAsset], PHFetchResult<PHAsset>) -> Void) {
fetch(result: PHAsset.fetchAssets(with: mediaType, options: options), completion: completion)
fetch(caller: #function, result: PHAsset.fetchAssets(with: mediaType, options: options), completion: completion)
}
/**
......@@ -695,7 +515,96 @@ extension PhotoLibrary {
- Parameter completion: A completion block.
*/
public func fetchAssets(withALAssetURLs assetURLs: [URL], options: PHFetchOptions?, completion: ([PHAsset], PHFetchResult<PHAsset>) -> Void) {
fetch(result: PHAsset.fetchAssets(withALAssetURLs: assetURLs, options: options), completion: completion)
fetch(caller: #function, result: PHAsset.fetchAssets(withALAssetURLs: assetURLs, options: options), completion: completion)
}
}
/// PHImageManager.
extension PhotoLibrary {
/**
Retrieves an optional UIImage for a given PHAsset that allows for a targetSize
and contentMode.
- Parameter for asset: A PHAsset.
- Parameter targetSize: A CGSize.
- Parameter contentMode: A PHImageContentMode.
- Parameter options: A PHImageRequestOptions.
- Parameter completion: A completion block.
- Returns: A PHImageRequestID.
*/
public func requestImage(for asset: PHAsset, targetSize: CGSize, contentMode: PHImageContentMode, options: PHImageRequestOptions?, completion: (UIImage?, [NSObject: AnyObject]?) -> Void) -> PHImageRequestID {
return PHImageManager.default().requestImage(for: asset, targetSize: targetSize, contentMode: contentMode, options: options, resultHandler: completion)
}
/**
Retrieves an optional Data object for a given PHAsset.
- Parameter for asset: A PHAsset.
- Parameter options: A PHImageRequestOptions.
- Parameter completion: A completion block.
- Returns: A PHImageRequestID.
*/
public func requestImageData(for asset: PHAsset, options: PHImageRequestOptions?, completion: (Data?, String?, UIImageOrientation, [NSObject: AnyObject]?) -> Void) -> PHImageRequestID {
return PHImageManager.default().requestImageData(for: asset, options: options, resultHandler: completion)
}
/**
Cancels an image request for a given PHImageRequestID.
- Parameter for requestID: A PHImageRequestID.
*/
public func cancelImageRequest(for requestID: PHImageRequestID) {
PHImageManager.default().cancelImageRequest(requestID)
}
/**
Requests a live photo representation of the asset. With
oportunistic (or if no
options are specified), the resultHandler block may be
called more than once (the first call may occur before
the method returns). The PHImageResultIsDegradedKey key
in the result handler's info parameter indicates when a
temporary low-quality live photo is provided.
- Parameter for asset: A PHAsset.
- Parameter targetSize: A CGSize.
- Parameter contentMode: A PHImageContentMode.
- Parameter options: A PHImageRequestOptions.
- Parameter completion: A completion block.
- Returns: A PHImageRequestID.
*/
@available(iOS 9.1, *)
public func requestLivePhoto(for asset: PHAsset, targetSize: CGSize, contentMode: PHImageContentMode, options: PHLivePhotoRequestOptions?, completion: (PHLivePhoto?, [NSObject : AnyObject]?) -> Void) -> PHImageRequestID {
return PHImageManager.default().requestLivePhoto(for: asset, targetSize: targetSize, contentMode: contentMode, options: options, resultHandler: completion)
}
/**
For playback only.
- Parameter forVideo asset: A PHAsset.
- Parameter options: A PHImageRequestOptions.
- Parameter completion: A completion block.
- Returns: A PHImageRequestID.
*/
public func requestPlayerItem(forVideo asset: PHAsset, options: PHVideoRequestOptions?, completion: (AVPlayerItem?, [NSObject : AnyObject]?) -> Swift.Void) -> PHImageRequestID {
return PHImageManager.default().requestPlayerItem(forVideo: asset, options: options, resultHandler: completion)
}
/**
Export.
- Parameter forVideo asset: A PHAsset.
- Parameter options: A PHImageRequestOptions.
- Parameter completion: A completion block.
- Returns: A PHImageRequestID.
*/
public func requestExportSession(forVideo asset: PHAsset, options: PHVideoRequestOptions?, exportPreset: String, completion: (AVAssetExportSession?, [NSObject : AnyObject]?) -> Void) -> PHImageRequestID {
return PHImageManager.default().requestExportSession(forVideo: asset, options: options, exportPreset: exportPreset, resultHandler: completion)
}
/**
For all other requests.
- Parameter forVideo asset: A PHAsset.
- Parameter options: A PHImageRequestOptions.
- Parameter completion: A completion block.
- Returns: A PHImageRequestID.
*/
public func requestAVAsset(forVideo asset: PHAsset, options: PHVideoRequestOptions?, completion: (AVAsset?, AVAudioMix?, [NSObject : AnyObject]?) -> Void) -> PHImageRequestID {
return PHImageManager.default().requestAVAsset(forVideo: asset, options: options, resultHandler: completion)
}
}
......@@ -707,74 +616,80 @@ extension PhotoLibrary: PHPhotoLibraryChangeObserver {
photo library.
*/
public func photoLibraryDidChange(_ changeInfo: PHChange) {
for dataSource in fetchResults {
print(dataSource)
DispatchQueue.main.async { [weak self, changeInfo = changeInfo] in
guard let s = self else {
return
}
s.delegate?.photoLibrary?(photoLibrary: s, didChange: changeInfo)
for (_, var dataSource) in s.fetchResultsDataSource {
for i in 0..<dataSource.objects.count {
let object = dataSource.objects[i]
guard let details = changeInfo.changeDetails(for: object) else {
continue
}
guard let afterChanges = details.objectAfterChanges else {
continue
}
dataSource.objects[i] = afterChanges
s.delegate?.photoLibrary?(photoLibrary: s, beforeChanges: details.objectBeforeChanges, afterChanges: afterChanges, assetContentChanged: details.assetContentChanged, objectWasDeleted: details.objectWasDeleted)
}
if let details = changeInfo.changeDetails(for: dataSource.fetchResult as! PHFetchResult<AnyObject>) {
s.delegate?.photoLibrary?(photoLibrary: s, fetchBeforeChanges: details.fetchResultBeforeChanges, fetchAfterChanges: details.fetchResultAfterChanges)
dataSource.fetchResult = details.fetchResultAfterChanges
guard details.hasIncrementalChanges else {
continue
}
let removedIndexes = details.removedIndexes
let insertedIndexes = details.insertedIndexes
let changedIndexes = details.changedIndexes
if nil != removedIndexes {
s.delegate?.photoLibrary?(photoLibrary: s, removed: removedIndexes!, for: details.removedObjects)
}
if nil != insertedIndexes {
s.delegate?.photoLibrary?(photoLibrary: s, inserted: insertedIndexes!, for: details.insertedObjects)
}
if nil != changedIndexes {
s.delegate?.photoLibrary?(photoLibrary: s, changed: changedIndexes!, for: details.changedObjects)
}
var moves = [PhotoLibraryMove]()
if details.hasMoves {
details.enumerateMoves { (from, to) in
moves.append(PhotoLibraryMove(from: from, to: to))
}
}
s.delegate?.photoLibrary?(photoLibrary: s, removedIndexes: removedIndexes, insertedIndexes: insertedIndexes, changedIndexes: changedIndexes, has: moves)
}
}
}
// fetchAssetCollections(with: t, subtype: st) { [weak self, oldCollections = oldCollections] _ in
// DispatchQueue.main.async { [weak self, oldCollections = oldCollections] in
// guard let s = self else {
// return
// }
//
// // Notify about the general change.
// s.delegate?.photoLibrary?(photoLibrary: s, didChange: changeInfo)
//
// // Notifiy about specific changes.
// s.collectionFetchResult?.enumerateObjects(options: .concurrent) { [weak self, changeInfo = changeInfo] (collection, _, _) in
// guard let s = self else {
// return
// }
//
// guard let details = changeInfo.changeDetails(for: collection) else {
// return
// }
//
// guard let afterChanges = details.objectAfterChanges else {
// return
// }
//
// s.delegate?.photoLibrary?(photoLibrary: s, beforeChanges: details.objectBeforeChanges, afterChanges: afterChanges, assetContentChanged: details.assetContentChanged, objectWasDeleted: details.objectWasDeleted)
// }
//
// for i in 0..<oldCollections.count {
// let dataSource = oldCollections[i]
//
// if let details = changeInfo.changeDetails(for: dataSource.fetchResult as! PHFetchResult<AnyObject>) {
// s.delegate?.photoLibrary?(photoLibrary: s, fetchBeforeChanges: details.fetchResultBeforeChanges, fetchAfterChanges: details.fetchResultAfterChanges)
//
// guard details.hasIncrementalChanges else {
// return
// }
//
// let removedIndexes = details.removedIndexes
// let insertedIndexes = details.insertedIndexes
// let changedIndexes = details.changedIndexes
//
// if nil != removedIndexes {
// s.delegate?.photoLibrary?(photoLibrary: s, removed: removedIndexes!, for: details.removedObjects)
// }
//
// if nil != insertedIndexes {
// s.delegate?.photoLibrary?(photoLibrary: s, inserted: insertedIndexes!, for: details.insertedObjects)
// }
//
// if nil != changedIndexes {
// s.delegate?.photoLibrary?(photoLibrary: s, changed: changedIndexes!, for: details.changedObjects)
// }
//
// var moves = [PhotoLibraryMove]()
//
// if details.hasMoves {
// details.enumerateMoves { (from, to) in
// moves.append(PhotoLibraryMove(from: from, to: to))
// }
// }
//
// s.delegate?.photoLibrary?(photoLibrary: s, removedIndexes: removedIndexes, insertedIndexes: insertedIndexes, changedIndexes: changedIndexes, has: moves)
// }
// }
// }
// }
}
}
/// Requesting changes.
extension PhotoLibrary {
/**
Performes an asynchronous change to the PHPhotoLibrary database.
- Parameter _ block: A transactional block that ensures that
all changes to the PHPhotoLibrary are atomic.
- Parameter completion: A completion block that is executed once the
transaction has been completed.
*/
public func performChanges(_ block: () -> Void, completion: ((Bool, Error?) -> Void)? = nil) {
PHPhotoLibrary.shared().performChanges(block, completionHandler: completion)
}
}
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