ios optimizations

This commit is contained in:
mertalev
2026-01-21 16:57:52 -05:00
parent 87a1502ef1
commit fe07cf6f6d
2 changed files with 48 additions and 37 deletions

View File

@@ -6,9 +6,9 @@ import Photos
class LocalImageRequest { class LocalImageRequest {
weak var workItem: DispatchWorkItem? weak var workItem: DispatchWorkItem?
var isCancelled = false var isCancelled = false
let callback: (Result<[String: Int64], any Error>) -> Void let callback: (Result<[String: Int64]?, any Error>) -> Void
init(callback: @escaping (Result<[String: Int64], any Error>) -> Void) { init(callback: @escaping (Result<[String: Int64]?, any Error>) -> Void) {
self.callback = callback self.callback = callback
} }
} }
@@ -58,7 +58,12 @@ class LocalImageApiImpl: LocalImageApi {
else { return completion(.failure(PigeonError(code: "", message: "Invalid base64 string: \(thumbhash)", details: nil)))} else { return completion(.failure(PigeonError(code: "", message: "Invalid base64 string: \(thumbhash)", details: nil)))}
let (width, height, pointer) = thumbHashToRGBA(hash: data) let (width, height, pointer) = thumbHashToRGBA(hash: data)
completion(.success(["pointer": Int64(Int(bitPattern: pointer.baseAddress)), "width": Int64(width), "height": Int64(height)])) completion(.success([
"pointer": Int64(Int(bitPattern: pointer.baseAddress)),
"width": Int64(width),
"height": Int64(height),
"rowBytes": Int64(width * 4)
]))
} }
} }

View File

@@ -5,11 +5,13 @@ import Photos
class RemoteImageRequest { class RemoteImageRequest {
weak var task: URLSessionDataTask? weak var task: URLSessionDataTask?
let id: Int64
var isCancelled = false var isCancelled = false
var data: CFMutableData? var data: CFMutableData?
let completion: (Result<[String: Int64], any Error>) -> Void let completion: (Result<[String: Int64]?, any Error>) -> Void
init(task: URLSessionDataTask, completion: @escaping (Result<[String: Int64], any Error>) -> Void) { init(id: Int64, task: URLSessionDataTask, completion: @escaping (Result<[String: Int64]?, any Error>) -> Void) {
self.id = id
self.task = task self.task = task
self.data = nil self.data = nil
self.completion = completion self.completion = completion
@@ -26,23 +28,22 @@ class RemoteImageApiImpl: NSObject, RemoteImageApi {
try! FileManager.default.createDirectory(at: thumbnailPath, withIntermediateDirectories: true) try! FileManager.default.createDirectory(at: thumbnailPath, withIntermediateDirectories: true)
config.urlCache = URLCache( config.urlCache = URLCache(
memoryCapacity: 0, memoryCapacity: 0,
diskCapacity: 1 << 30, diskCapacity: 0,
directory: thumbnailPath directory: thumbnailPath
) )
config.httpMaximumConnectionsPerHost = 16 config.httpMaximumConnectionsPerHost = 16
return URLSession(configuration: config, delegate: delegate, delegateQueue: nil) return URLSession(configuration: config, delegate: delegate, delegateQueue: nil)
}() }()
func requestImage(url: String, headers: [String : String], requestId: Int64, completion: @escaping (Result<[String : Int64], any Error>) -> Void) { func requestImage(url: String, headers: [String : String], requestId: Int64, completion: @escaping (Result<[String : Int64]?, any Error>) -> Void) {
var urlRequest = URLRequest(url: URL(string: url)!) var urlRequest = URLRequest(url: URL(string: url)!)
for (key, value) in headers { for (key, value) in headers {
urlRequest.setValue(value, forHTTPHeaderField: key) urlRequest.setValue(value, forHTTPHeaderField: key)
} }
let task = Self.session.dataTask(with: urlRequest) let task = Self.session.dataTask(with: urlRequest)
task.taskDescription = String(requestId)
let imageRequest = RemoteImageRequest(task: task, completion: completion) let imageRequest = RemoteImageRequest(id: requestId, task: task, completion: completion)
Self.delegate.add(requestId: requestId, request: imageRequest) Self.delegate.add(taskId: task.taskIdentifier, request: imageRequest)
task.resume() task.resume()
} }
@@ -53,7 +54,7 @@ class RemoteImageApiImpl: NSObject, RemoteImageApi {
} }
class RemoteImageApiDelegate: NSObject, URLSessionDataDelegate { class RemoteImageApiDelegate: NSObject, URLSessionDataDelegate {
private static let requestQueue = DispatchQueue(label: "thumbnail.requests", qos: .userInitiated) private static let requestQueue = DispatchQueue(label: "thumbnail.requests", qos: .userInitiated, attributes: .concurrent)
private static var rgbaFormat = vImage_CGImageFormat( private static var rgbaFormat = vImage_CGImageFormat(
bitsPerComponent: 8, bitsPerComponent: 8,
bitsPerPixel: 32, bitsPerPixel: 32,
@@ -61,8 +62,9 @@ class RemoteImageApiDelegate: NSObject, URLSessionDataDelegate {
bitmapInfo: CGBitmapInfo(rawValue: CGImageAlphaInfo.premultipliedLast.rawValue), bitmapInfo: CGBitmapInfo(rawValue: CGImageAlphaInfo.premultipliedLast.rawValue),
renderingIntent: .perceptual renderingIntent: .perceptual
)! )!
private static var requests = [Int64: RemoteImageRequest]() private static var requestByTaskId = [Int: RemoteImageRequest]()
private static let cancelledResult = Result<[String: Int64], any Error>.success([:]) private static var taskIdByRequestId = [Int64: Int]()
private static let cancelledResult = Result<[String: Int64]?, any Error>.success(nil)
private static let decodeOptions = [ private static let decodeOptions = [
kCGImageSourceShouldCache: false, kCGImageSourceShouldCache: false,
kCGImageSourceShouldCacheImmediately: true, kCGImageSourceShouldCacheImmediately: true,
@@ -74,9 +76,7 @@ class RemoteImageApiDelegate: NSObject, URLSessionDataDelegate {
didReceive response: URLResponse, didReceive response: URLResponse,
completionHandler: @escaping (URLSession.ResponseDisposition) -> Void completionHandler: @escaping (URLSession.ResponseDisposition) -> Void
) { ) {
guard let taskDescription = dataTask.taskDescription, guard let request = get(taskId: dataTask.taskIdentifier)
let requestId = Int64(taskDescription),
let request = (Self.requestQueue.sync { Self.requests[requestId] })
else { else {
return completionHandler(.cancel) return completionHandler(.cancel)
} }
@@ -89,10 +89,7 @@ class RemoteImageApiDelegate: NSObject, URLSessionDataDelegate {
func urlSession(_ session: URLSession, dataTask: URLSessionDataTask, func urlSession(_ session: URLSession, dataTask: URLSessionDataTask,
didReceive data: Data) { didReceive data: Data) {
guard let taskDescription = dataTask.taskDescription, guard let request = get(taskId: dataTask.taskIdentifier) else { return }
let requestId = Int64(taskDescription),
let request = get(requestId: requestId)
else { return }
data.withUnsafeBytes { bytes in data.withUnsafeBytes { bytes in
CFDataAppendBytes(request.data, bytes.bindMemory(to: UInt8.self).baseAddress, data.count) CFDataAppendBytes(request.data, bytes.bindMemory(to: UInt8.self).baseAddress, data.count)
@@ -101,13 +98,9 @@ class RemoteImageApiDelegate: NSObject, URLSessionDataDelegate {
func urlSession(_ session: URLSession, task: URLSessionTask, func urlSession(_ session: URLSession, task: URLSessionTask,
didCompleteWithError error: Error?) { didCompleteWithError error: Error?) {
guard let taskDescription = task.taskDescription, guard let request = get(taskId: task.taskIdentifier) else { return }
let requestId = Int64(taskDescription),
let request = get(requestId: requestId), defer { remove(taskId: task.taskIdentifier, requestId: request.id) }
let data = request.data
else { return }
defer { remove(requestId: requestId) }
if let error = error { if let error = error {
if request.isCancelled || (error as NSError).code == NSURLErrorCancelled { if request.isCancelled || (error as NSError).code == NSURLErrorCancelled {
@@ -116,9 +109,13 @@ class RemoteImageApiDelegate: NSObject, URLSessionDataDelegate {
return request.completion(.failure(error)) return request.completion(.failure(error))
} }
guard let data = request.data else {
return request.completion(.failure(PigeonError(code: "", message: "No data received", details: nil)))
}
guard let imageSource = CGImageSourceCreateWithData(data, nil), guard let imageSource = CGImageSourceCreateWithData(data, nil),
let cgImage = CGImageSourceCreateThumbnailAtIndex(imageSource, 0, Self.decodeOptions) else { let cgImage = CGImageSourceCreateThumbnailAtIndex(imageSource, 0, Self.decodeOptions) else {
return request.completion(.failure(PigeonError(code: "", message: "Failed to decode image for request \(requestId)", details: nil))) return request.completion(.failure(PigeonError(code: "", message: "Failed to decode image for request", details: nil)))
} }
if request.isCancelled { if request.isCancelled {
@@ -141,24 +138,33 @@ class RemoteImageApiDelegate: NSObject, URLSessionDataDelegate {
"rowBytes": Int64(buffer.rowBytes), "rowBytes": Int64(buffer.rowBytes),
])) ]))
} catch { } catch {
return request.completion(.failure(PigeonError(code: "", message: "Failed to convert image for request \(requestId): \(error)", details: nil))) return request.completion(.failure(PigeonError(code: "", message: "Failed to convert image for request: \(error)", details: nil)))
} }
} }
func get(requestId: Int64) -> RemoteImageRequest? { @inline(__always) func get(taskId: Int) -> RemoteImageRequest? {
Self.requestQueue.sync { Self.requests[requestId] } Self.requestQueue.sync { Self.requestByTaskId[taskId] }
} }
func add(requestId: Int64, request: RemoteImageRequest) -> Void { @inline(__always) func add(taskId: Int, request: RemoteImageRequest) -> Void {
Self.requestQueue.sync { Self.requests[requestId] = request } Self.requestQueue.async(flags: .barrier) {
Self.requestByTaskId[taskId] = request
Self.taskIdByRequestId[request.id] = taskId
}
} }
func remove(requestId: Int64) -> Void { @inline(__always) func remove(taskId: Int, requestId: Int64) -> Void {
Self.requestQueue.sync { Self.requests[requestId] = nil } Self.requestQueue.async(flags: .barrier) {
Self.taskIdByRequestId[requestId] = nil
Self.requestByTaskId[taskId] = nil
}
} }
func cancel(requestId: Int64) -> Void { @inline(__always) func cancel(requestId: Int64) -> Void {
guard let request = (Self.requestQueue.sync { Self.requests[requestId] }) else { return } guard let request: RemoteImageRequest = (Self.requestQueue.sync {
guard let taskId = Self.taskIdByRequestId[requestId] else { return nil }
return Self.requestByTaskId[taskId]
}) else { return }
request.isCancelled = true request.isCancelled = true
request.task?.cancel() request.task?.cancel()
} }