603 lines
24 KiB
Swift
603 lines
24 KiB
Swift
//
|
|
// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
|
|
//
|
|
|
|
import UIKit
|
|
|
|
import SignalMessaging
|
|
import PureLayout
|
|
import SignalServiceKit
|
|
import PromiseKit
|
|
|
|
@objc
|
|
public class ShareViewController: UINavigationController, ShareViewDelegate, SAEFailedViewDelegate {
|
|
|
|
private var hasInitialRootViewController = false
|
|
private var isReadyForAppExtensions = false
|
|
|
|
private var progressPoller: ProgressPoller?
|
|
var loadViewController: SAELoadViewController?
|
|
|
|
let shareViewNavigationController: UINavigationController = UINavigationController()
|
|
|
|
override open func loadView() {
|
|
super.loadView()
|
|
Logger.debug("\(self.logTag) \(#function)")
|
|
|
|
// This should be the first thing we do.
|
|
let appContext = ShareAppExtensionContext(rootViewController:self)
|
|
SetCurrentAppContext(appContext)
|
|
|
|
DebugLogger.shared().enableTTYLogging()
|
|
if _isDebugAssertConfiguration() {
|
|
DebugLogger.shared().enableFileLogging()
|
|
} else if OWSPreferences.isLoggingEnabled() {
|
|
DebugLogger.shared().enableFileLogging()
|
|
}
|
|
|
|
_ = AppVersion()
|
|
|
|
startupLogging()
|
|
|
|
SetRandFunctionSeed()
|
|
|
|
// We don't need to use DeviceSleepManager in the SAE.
|
|
|
|
// TODO:
|
|
// [UIUtil applySignalAppearence];
|
|
|
|
if CurrentAppContext().isRunningTests {
|
|
// TODO: Do we need to implement isRunningTests in the SAE context?
|
|
return
|
|
}
|
|
|
|
// If we haven't migrated the database file to the shared data
|
|
// directory we can't load it, and therefore can't init TSSStorageManager,
|
|
// and therefore don't want to setup most of our machinery (Environment,
|
|
// most of the singletons, etc.). We just want to show an error view and
|
|
// abort.
|
|
isReadyForAppExtensions = OWSPreferences.isReadyForAppExtensions()
|
|
guard isReadyForAppExtensions else {
|
|
// If we don't have TSSStorageManager, we can't consult TSAccountManager
|
|
// for isRegistered, so we use OWSPreferences which is usually-accurate
|
|
// copy of that state.
|
|
if OWSPreferences.isRegistered() {
|
|
showNotReadyView()
|
|
} else {
|
|
showNotRegisteredView()
|
|
}
|
|
return
|
|
}
|
|
|
|
let loadViewController = SAELoadViewController(delegate: self)
|
|
self.loadViewController = loadViewController
|
|
|
|
// Don't display load screen immediately, in hopes that we can avoid it altogether.
|
|
after(seconds: 0.5).then { () -> Void in
|
|
guard self.presentedViewController == nil else {
|
|
Logger.debug("\(self.logTag) setup completed quickly, no need to present load view controller.")
|
|
return
|
|
}
|
|
|
|
Logger.debug("\(self.logTag) setup is slow - showing loading screen")
|
|
self.showPrimaryViewController(loadViewController)
|
|
}.retainUntilComplete()
|
|
|
|
// We shouldn't set up our environment until after we've consulted isReadyForAppExtensions.
|
|
AppSetup.setupEnvironment({
|
|
return NoopCallMessageHandler()
|
|
}) {
|
|
return NoopNotificationsManager()
|
|
}
|
|
|
|
// performUpdateCheck must be invoked after Environment has been initialized because
|
|
// upgrade process may depend on Environment.
|
|
VersionMigrations.performUpdateCheck()
|
|
|
|
self.isNavigationBarHidden = true
|
|
|
|
// We don't need to use "screen protection" in the SAE.
|
|
|
|
// Ensure OWSContactsSyncing is instantiated.
|
|
OWSContactsSyncing.sharedManager()
|
|
|
|
NotificationCenter.default.addObserver(self,
|
|
selector: #selector(storageIsReady),
|
|
name: .StorageIsReady,
|
|
object: nil)
|
|
NotificationCenter.default.addObserver(self,
|
|
selector: #selector(registrationStateDidChange),
|
|
name: .RegistrationStateDidChange,
|
|
object: nil)
|
|
|
|
Logger.info("\(self.logTag) application: didFinishLaunchingWithOptions completed.")
|
|
|
|
OWSAnalytics.appLaunchDidBegin()
|
|
}
|
|
|
|
deinit {
|
|
Logger.info("\(self.logTag) dealloc")
|
|
NotificationCenter.default.removeObserver(self)
|
|
}
|
|
|
|
private func activate() {
|
|
Logger.debug("\(self.logTag) \(#function)")
|
|
|
|
// We don't need to use "screen protection" in the SAE.
|
|
|
|
ensureRootViewController()
|
|
|
|
// Always check prekeys after app launches, and sometimes check on app activation.
|
|
TSPreKeyManager.checkPreKeysIfNecessary()
|
|
|
|
// We don't need to use RTCInitializeSSL() in the SAE.
|
|
|
|
if TSAccountManager.isRegistered() {
|
|
// At this point, potentially lengthy DB locking migrations could be running.
|
|
// Avoid blocking app launch by putting all further possible DB access in async block
|
|
DispatchQueue.global().async { [weak self] in
|
|
guard let strongSelf = self else { return }
|
|
Logger.info("\(strongSelf.logTag) running post launch block for registered user: \(TSAccountManager.localNumber)")
|
|
|
|
// We don't need to use OWSDisappearingMessagesJob in the SAE.
|
|
|
|
// TODO remove this once we're sure our app boot process is coherent.
|
|
// Currently this happens *before* db registration is complete when
|
|
// launching the app directly, but *after* db registration is complete when
|
|
// the app is launched in the background, e.g. from a voip notification.
|
|
OWSProfileManager.shared().ensureLocalProfileCached()
|
|
|
|
// We don't need to use OWSFailedMessagesJob in the SAE.
|
|
|
|
// We don't need to use OWSFailedAttachmentDownloadsJob in the SAE.
|
|
}
|
|
} else {
|
|
Logger.info("\(self.logTag) running post launch block for unregistered user.")
|
|
|
|
// We don't need to update the app icon badge number in the SAE.
|
|
|
|
// We don't need to prod the TSSocketManager in the SAE.
|
|
}
|
|
|
|
// TODO: Do we want to move this logic into the notification handler for "SAE will appear".
|
|
if TSAccountManager.isRegistered() {
|
|
DispatchQueue.main.async { [weak self] in
|
|
guard let strongSelf = self else { return }
|
|
Logger.info("\(strongSelf.logTag) running post launch block for registered user: \(TSAccountManager.localNumber)")
|
|
|
|
// We don't need to use the TSSocketManager in the SAE.
|
|
|
|
Environment.current().contactsManager.fetchSystemContactsOnceIfAlreadyAuthorized()
|
|
|
|
// We don't need to fetch messages in the SAE.
|
|
|
|
// We don't need to use OWSSyncPushTokensJob in the SAE.
|
|
}
|
|
}
|
|
}
|
|
|
|
@objc
|
|
func storageIsReady() {
|
|
AssertIsOnMainThread()
|
|
|
|
Logger.debug("\(self.logTag) \(#function)")
|
|
|
|
if TSAccountManager.isRegistered() {
|
|
Logger.info("\(self.logTag) localNumber: \(TSAccountManager.localNumber)")
|
|
|
|
// We don't need to use messageFetcherJob in the SAE.
|
|
|
|
// We don't need to use SyncPushTokensJob in the SAE.
|
|
}
|
|
|
|
// We don't need to use DeviceSleepManager in the SAE.
|
|
|
|
// TODO: Should we distinguish main app and SAE "completion"?
|
|
AppVersion.instance().appLaunchDidComplete()
|
|
|
|
Environment.current().contactsManager.loadSignalAccountsFromCache()
|
|
|
|
ensureRootViewController()
|
|
|
|
// We don't need to use OWSMessageReceiver in the SAE.
|
|
// We don't need to use OWSBatchMessageProcessor in the SAE.
|
|
|
|
OWSProfileManager.shared().ensureLocalProfileCached()
|
|
|
|
// We don't need to use OWSOrphanedDataCleaner in the SAE.
|
|
|
|
OWSProfileManager.shared().fetchLocalUsersProfile()
|
|
|
|
OWSReadReceiptManager.shared().prepareCachedValues()
|
|
|
|
}
|
|
|
|
@objc
|
|
func registrationStateDidChange() {
|
|
AssertIsOnMainThread()
|
|
|
|
Logger.debug("\(self.logTag) \(#function)")
|
|
|
|
if TSAccountManager.isRegistered() {
|
|
Logger.info("\(self.logTag) localNumber: \(TSAccountManager.localNumber)")
|
|
|
|
// We don't need to use ExperienceUpgradeFinder in the SAE.
|
|
|
|
// We don't need to use OWSDisappearingMessagesJob in the SAE.
|
|
|
|
OWSProfileManager.shared().ensureLocalProfileCached()
|
|
}
|
|
}
|
|
|
|
private func ensureRootViewController() {
|
|
Logger.debug("\(self.logTag) \(#function)")
|
|
|
|
guard OWSStorage.isStorageReady() else {
|
|
return
|
|
}
|
|
guard !hasInitialRootViewController else {
|
|
return
|
|
}
|
|
hasInitialRootViewController = true
|
|
|
|
Logger.info("Presenting initial root view controller")
|
|
|
|
if !TSAccountManager.isRegistered() {
|
|
showNotRegisteredView()
|
|
} else if !OWSProfileManager.shared().localProfileExists() {
|
|
// This is a rare edge case, but we want to ensure that the user
|
|
// is has already saved their local profile key in the main app.
|
|
showNotReadyView()
|
|
} else {
|
|
presentConversationPicker()
|
|
}
|
|
|
|
// We don't use the AppUpdateNag in the SAE.
|
|
}
|
|
|
|
func startupLogging() {
|
|
Logger.info("iOS Version: \(UIDevice.current.systemVersion)}")
|
|
|
|
let locale = NSLocale.current as NSLocale
|
|
if let localeIdentifier = locale.object(forKey:NSLocale.Key.identifier) as? String,
|
|
localeIdentifier.count > 0 {
|
|
Logger.info("Locale Identifier: \(localeIdentifier)")
|
|
} else {
|
|
owsFail("Locale Identifier: Unknown")
|
|
}
|
|
if let countryCode = locale.object(forKey:NSLocale.Key.countryCode) as? String,
|
|
countryCode.count > 0 {
|
|
Logger.info("Country Code: \(countryCode)")
|
|
} else {
|
|
owsFail("Country Code: Unknown")
|
|
}
|
|
if let languageCode = locale.object(forKey:NSLocale.Key.languageCode) as? String,
|
|
languageCode.count > 0 {
|
|
Logger.info("Language Code: \(languageCode)")
|
|
} else {
|
|
owsFail("Language Code: Unknown")
|
|
}
|
|
}
|
|
|
|
// MARK: Error Views
|
|
|
|
private func showNotReadyView() {
|
|
let failureTitle = NSLocalizedString("SHARE_EXTENSION_NOT_YET_MIGRATED_TITLE",
|
|
comment: "Title indicating that the share extension cannot be used until the main app has been launched at least once.")
|
|
let failureMessage = NSLocalizedString("SHARE_EXTENSION_NOT_YET_MIGRATED_MESSAGE",
|
|
comment: "Message indicating that the share extension cannot be used until the main app has been launched at least once.")
|
|
showErrorView(title:failureTitle, message:failureMessage)
|
|
}
|
|
|
|
private func showNotRegisteredView() {
|
|
let failureTitle = NSLocalizedString("SHARE_EXTENSION_NOT_REGISTERED_TITLE",
|
|
comment: "Title indicating that the share extension cannot be used until the user has registered in the main app.")
|
|
let failureMessage = NSLocalizedString("SHARE_EXTENSION_NOT_REGISTERED_MESSAGE",
|
|
comment: "Message indicating that the share extension cannot be used until the user has registered in the main app.")
|
|
showErrorView(title:failureTitle, message:failureMessage)
|
|
}
|
|
|
|
private func showErrorView(title: String, message: String) {
|
|
let viewController = SAEFailedViewController(delegate:self, title:title, message:message)
|
|
self.showPrimaryViewController(viewController)
|
|
}
|
|
|
|
// MARK: View Lifecycle
|
|
|
|
override open func viewDidLoad() {
|
|
super.viewDidLoad()
|
|
|
|
Logger.debug("\(self.logTag) \(#function)")
|
|
|
|
if isReadyForAppExtensions {
|
|
activate()
|
|
}
|
|
}
|
|
|
|
override open func viewWillAppear(_ animated: Bool) {
|
|
Logger.debug("\(self.logTag) \(#function)")
|
|
|
|
super.viewWillAppear(animated)
|
|
}
|
|
|
|
override open func viewDidAppear(_ animated: Bool) {
|
|
Logger.debug("\(self.logTag) \(#function)")
|
|
|
|
super.viewDidAppear(animated)
|
|
}
|
|
|
|
override open func viewWillDisappear(_ animated: Bool) {
|
|
Logger.debug("\(self.logTag) \(#function)")
|
|
|
|
super.viewWillDisappear(animated)
|
|
|
|
Logger.flush()
|
|
}
|
|
|
|
override open func viewDidDisappear(_ animated: Bool) {
|
|
Logger.debug("\(self.logTag) \(#function)")
|
|
|
|
super.viewDidDisappear(animated)
|
|
|
|
Logger.flush()
|
|
}
|
|
|
|
// MARK: ShareViewDelegate, SAEFailedViewDelegate
|
|
|
|
public func shareViewWasCompleted() {
|
|
Logger.info("\(self.logTag) \(#function)")
|
|
|
|
self.dismiss(animated: true) {
|
|
self.extensionContext!.completeRequest(returningItems: [], completionHandler: nil)
|
|
}
|
|
}
|
|
|
|
public func shareViewWasCancelled() {
|
|
Logger.info("\(self.logTag) \(#function)")
|
|
|
|
self.dismiss(animated: true) {
|
|
self.extensionContext!.completeRequest(returningItems: [], completionHandler: nil)
|
|
}
|
|
}
|
|
|
|
public func shareViewFailed(error: Error) {
|
|
Logger.info("\(self.logTag) \(#function)")
|
|
|
|
self.dismiss(animated: true) {
|
|
self.extensionContext!.cancelRequest(withError: error)
|
|
}
|
|
}
|
|
|
|
// MARK: Helpers
|
|
|
|
// This view controller is not visible to the user. It exists to intercept touches, set up the
|
|
// extensions dependencies, and eventually present a visible view to the user.
|
|
// For speed of presentation, we only present a single modal, and if it's already been presented
|
|
// we swap out the contents.
|
|
// e.g. if loading is taking a while, the user will see the load screen presented with a modal
|
|
// animation. Next, when loading completes, the load view will be switched out for the contact
|
|
// picker view.
|
|
private func showPrimaryViewController(_ viewController: UIViewController) {
|
|
shareViewNavigationController.setViewControllers([viewController], animated: false)
|
|
if self.presentedViewController == nil {
|
|
Logger.debug("\(self.logTag) presenting modally: \(viewController)")
|
|
self.present(shareViewNavigationController, animated: true)
|
|
} else {
|
|
Logger.debug("\(self.logTag) modal already presented. swapping modal content for: \(viewController)")
|
|
assert(self.presentedViewController == shareViewNavigationController)
|
|
}
|
|
}
|
|
|
|
private func presentConversationPicker() {
|
|
self.buildAttachment().then { attachment -> Void in
|
|
let conversationPicker = SharingThreadPickerViewController(shareViewDelegate: self)
|
|
conversationPicker.attachment = attachment
|
|
self.shareViewNavigationController.isNavigationBarHidden = true
|
|
self.progressPoller = nil
|
|
self.loadViewController = nil
|
|
self.showPrimaryViewController(conversationPicker)
|
|
Logger.info("showing picker with attachment: \(attachment)")
|
|
}.catch { error in
|
|
let alertTitle = NSLocalizedString("SHARE_EXTENSION_UNABLE_TO_BUILD_ATTACHMENT_ALERT_TITLE", comment: "Shown when trying to share content to a Signal user for the share extension. Followed by failure details.")
|
|
OWSAlerts.showAlert(withTitle: alertTitle,
|
|
message: error.localizedDescription,
|
|
buttonTitle: CommonStrings.cancelButton) { _ in
|
|
self.shareViewWasCancelled()
|
|
}
|
|
owsFail("\(self.logTag) building attachment failed with error: \(error)")
|
|
}.retainUntilComplete()
|
|
}
|
|
|
|
enum ShareViewControllerError: Error {
|
|
case assertionError(description: String)
|
|
case unsupportedMedia
|
|
|
|
}
|
|
|
|
private func buildAttachment() -> Promise<SignalAttachment> {
|
|
guard let inputItem: NSExtensionItem = self.extensionContext?.inputItems.first as? NSExtensionItem else {
|
|
let error = ShareViewControllerError.assertionError(description: "no input item")
|
|
return Promise(error: error)
|
|
}
|
|
|
|
// TODO Multiple attachments. In that case I'm unclear if we'll
|
|
// be given multiple inputItems or a single inputItem with multiple attachments.
|
|
guard let itemProvider: NSItemProvider = inputItem.attachments?.first as? NSItemProvider else {
|
|
let error = ShareViewControllerError.assertionError(description: "No item provider in input item attachments")
|
|
return Promise(error: error)
|
|
}
|
|
Logger.info("\(self.logTag) attachment: \(itemProvider)")
|
|
|
|
// Order matters if we want to take advantage of share conversion in loadItem,
|
|
// Though currently we just use "data" for most things and rely on our SignalAttachment
|
|
// class to convert types for us.
|
|
let utiTypes: [String] = [kUTTypeImage as String,
|
|
kUTTypeURL as String,
|
|
kUTTypeData as String]
|
|
|
|
let matchingUtiType = utiTypes.first { (utiType: String) -> Bool in
|
|
itemProvider.hasItemConformingToTypeIdentifier(utiType)
|
|
}
|
|
|
|
guard let utiType = matchingUtiType else {
|
|
let error = ShareViewControllerError.unsupportedMedia
|
|
return Promise(error: error)
|
|
}
|
|
Logger.debug("\(logTag) matched utiType: \(utiType)")
|
|
|
|
let (promise, fulfill, reject) = Promise<URL>.pending()
|
|
|
|
itemProvider.loadItem(forTypeIdentifier: utiType, options: nil, completionHandler: {
|
|
(provider, error) in
|
|
|
|
guard error == nil else {
|
|
reject(error!)
|
|
return
|
|
}
|
|
|
|
guard let url = provider as? URL else {
|
|
let unexpectedTypeError = ShareViewControllerError.assertionError(description: "unexpected item type: \(String(describing: provider))")
|
|
reject(unexpectedTypeError)
|
|
return
|
|
}
|
|
|
|
fulfill(url)
|
|
})
|
|
|
|
// TODO accept other data types
|
|
// TODO whitelist attachment types
|
|
// TODO coerce when necessary and possible
|
|
return promise.then { (itemUrl: URL) -> Promise<SignalAttachment> in
|
|
|
|
let url: URL = try {
|
|
if self.isVideoNeedingRelocation(itemProvider: itemProvider, itemUrl: itemUrl) {
|
|
return try SignalAttachment.copyToVideoTempDir(url: itemUrl)
|
|
} else {
|
|
return itemUrl
|
|
}
|
|
}()
|
|
|
|
Logger.debug("\(self.logTag) building DataSource with url: \(url)")
|
|
|
|
guard let dataSource = DataSourcePath.dataSource(with: url) else {
|
|
throw ShareViewControllerError.assertionError(description: "Unable to read attachment data")
|
|
}
|
|
dataSource.sourceFilename = url.lastPathComponent
|
|
|
|
// start with base utiType, but it might be something generic like "image"
|
|
var specificUTIType = utiType
|
|
if url.pathExtension.count > 0 {
|
|
// Determine a more specific utiType based on file extension
|
|
if let typeExtension = MIMETypeUtil.utiType(forFileExtension: url.pathExtension) {
|
|
Logger.debug("\(self.logTag) utiType based on extension: \(typeExtension)")
|
|
specificUTIType = typeExtension
|
|
}
|
|
}
|
|
|
|
guard !SignalAttachment.isInvalidVideo(dataSource: dataSource, dataUTI: specificUTIType) else {
|
|
// This can happen, e.g. when sharing a quicktime-video from iCloud drive.
|
|
|
|
let (promise, exportSession) = SignalAttachment.compressVideoAsMp4(dataSource: dataSource, dataUTI: specificUTIType)
|
|
|
|
// TODO: How can we move waiting for this export to the end of the share flow rather than having to do it up front?
|
|
// Ideally we'd be able to start it here, and not block the UI on conversion unless there's still work to be done
|
|
// when the user hits "send".
|
|
if let exportSession = exportSession {
|
|
let progressPoller = ProgressPoller(timeInterval: 0.1, ratioCompleteBlock: { return exportSession.progress })
|
|
self.progressPoller = progressPoller
|
|
progressPoller.startPolling()
|
|
|
|
guard let loadViewController = self.loadViewController else {
|
|
owsFail("load view controller was unexpectedly nil")
|
|
return promise
|
|
}
|
|
|
|
loadViewController.progress = progressPoller.progress
|
|
}
|
|
|
|
return promise
|
|
}
|
|
|
|
let attachment = SignalAttachment.attachment(dataSource: dataSource, dataUTI: specificUTIType, imageQuality: .medium)
|
|
return Promise(value: attachment)
|
|
}
|
|
}
|
|
|
|
// Some host apps (e.g. iOS Photos.app) sometimes auto-converts some video formats (e.g. com.apple.quicktime-movie)
|
|
// into mp4s as part of the NSItemProvider `loadItem` API. (Some files the Photo's app doesn't auto-convert)
|
|
//
|
|
// However, when using this url to the converted item, AVFoundation operations such as generating a
|
|
// preview image and playing the url in the AVMoviePlayer fails with an unhelpful error: "The operation could not be completed"
|
|
//
|
|
// We can work around this by first copying the media into our container.
|
|
//
|
|
// I don't understand why this is, and I haven't found any relevant documentation in the NSItemProvider
|
|
// or AVFoundation docs.
|
|
//
|
|
// Notes:
|
|
//
|
|
// These operations succeed when sending a video which initially existed on disk as an mp4.
|
|
// (e.g. Alice sends a video to Bob through the main app, which ensures it's an mp4. Bob saves it, then re-shares it)
|
|
//
|
|
// I *did* verify that the size and SHA256 sum of the original url matches that of the copied url. So there
|
|
// is no difference between the contents of the file, yet one works one doesn't.
|
|
// Perhaps the AVFoundation APIs require some extra file system permssion we don't have in the
|
|
// passed through URL.
|
|
private func isVideoNeedingRelocation(itemProvider: NSItemProvider, itemUrl: URL) -> Bool {
|
|
guard MIMETypeUtil.utiType(forFileExtension: itemUrl.pathExtension) == kUTTypeMPEG4 as String else {
|
|
// Either it's not a video or it was a video which was not auto-converted to mp4.
|
|
// Not affected by the issue.
|
|
return false
|
|
}
|
|
|
|
// If video file already existed on disk as an mp4, then the host app didn't need to
|
|
// apply any conversion, so no need to relocate the app.
|
|
return !itemProvider.registeredTypeIdentifiers.contains(kUTTypeMPEG4 as String)
|
|
}
|
|
}
|
|
|
|
// Exposes a Progress object, whose progress is updated by polling the return of a given block
|
|
private class ProgressPoller {
|
|
|
|
let TAG = "[ProgressPoller]"
|
|
|
|
let progress: Progress
|
|
private(set) var timer: Timer?
|
|
|
|
// Higher number offers higher ganularity
|
|
let progressTotalUnitCount: Int64 = 10000
|
|
private let timeInterval: Double
|
|
private let ratioCompleteBlock: () -> Float
|
|
|
|
init(timeInterval: TimeInterval, ratioCompleteBlock: @escaping () -> Float) {
|
|
self.timeInterval = timeInterval
|
|
self.ratioCompleteBlock = ratioCompleteBlock
|
|
|
|
self.progress = Progress()
|
|
|
|
progress.totalUnitCount = progressTotalUnitCount
|
|
progress.completedUnitCount = Int64(ratioCompleteBlock() * Float(progressTotalUnitCount))
|
|
}
|
|
|
|
func startPolling() {
|
|
guard self.timer == nil else {
|
|
owsFail("already started timer")
|
|
return
|
|
}
|
|
|
|
self.timer = WeakTimer.scheduledTimer(timeInterval: timeInterval, target: self, userInfo: nil, repeats: true) { [weak self] (timer) in
|
|
guard let strongSelf = self else {
|
|
return
|
|
}
|
|
|
|
let completedUnitCount = Int64(strongSelf.ratioCompleteBlock() * Float(strongSelf.progressTotalUnitCount))
|
|
strongSelf.progress.completedUnitCount = completedUnitCount
|
|
|
|
if completedUnitCount == strongSelf.progressTotalUnitCount {
|
|
Logger.debug("\(strongSelf.TAG) progress complete")
|
|
timer.invalidate()
|
|
}
|
|
}
|
|
}
|
|
}
|