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Use child view controller for loading

This commit is contained in:
Shadowfacts 2018-10-01 21:25:10 -04:00
parent 3d39087980
commit f7a2576842
Signed by untrusted user: shadowfacts
GPG Key ID: 94A5AB95422746E5
4 changed files with 83 additions and 8 deletions
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16
Tusker.xcodeproj/project.pbxproj
View File

@ -107,6 +107,8 @@
D6C693CF216125FC007D6A6D /* SilentActionPermissionTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C693CE216125FC007D6A6D /* SilentActionPermissionTableViewCell.swift */; };
D6C693EF216192C2007D6A6D /* TuskerNavigationDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C693EE216192C2007D6A6D /* TuskerNavigationDelegate.swift */; };
D6C693F92162E4DB007D6A6D /* StatusContentLabel.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C693F82162E4DB007D6A6D /* StatusContentLabel.swift */; };
D6C693FC2162FE6F007D6A6D /* LoadingViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C693FB2162FE6F007D6A6D /* LoadingViewController.swift */; };
D6C693FE2162FEEA007D6A6D /* UIViewController+Children.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C693FD2162FEEA007D6A6D /* UIViewController+Children.swift */; };
D6C94D852139DFD800CB5196 /* LargeImage.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = D6C94D842139DFD800CB5196 /* LargeImage.storyboard */; };
D6C94D872139E62700CB5196 /* LargeImageViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C94D862139E62700CB5196 /* LargeImageViewController.swift */; };
D6C94D892139E6EC00CB5196 /* AttachmentView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6C94D882139E6EC00CB5196 /* AttachmentView.swift */; };
@ -285,6 +287,8 @@
D6C693CE216125FC007D6A6D /* SilentActionPermissionTableViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SilentActionPermissionTableViewCell.swift; sourceTree = "<group>"; };
D6C693EE216192C2007D6A6D /* TuskerNavigationDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TuskerNavigationDelegate.swift; sourceTree = "<group>"; };
D6C693F82162E4DB007D6A6D /* StatusContentLabel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StatusContentLabel.swift; sourceTree = "<group>"; };
D6C693FB2162FE6F007D6A6D /* LoadingViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LoadingViewController.swift; sourceTree = "<group>"; };
D6C693FD2162FEEA007D6A6D /* UIViewController+Children.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UIViewController+Children.swift"; sourceTree = "<group>"; };
D6C94D842139DFD800CB5196 /* LargeImage.storyboard */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; path = LargeImage.storyboard; sourceTree = "<group>"; };
D6C94D862139E62700CB5196 /* LargeImageViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LargeImageViewController.swift; sourceTree = "<group>"; };
D6C94D882139E6EC00CB5196 /* AttachmentView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AttachmentView.swift; sourceTree = "<group>"; };
@ -456,6 +460,7 @@
D641C780213DD7C4004B4513 /* Screens */ = {
isa = PBXGroup;
children = (
D6C693FA2162FE5D007D6A6D /* Utilities */,
D641C782213DD7F0004B4513 /* Main */,
D641C783213DD7FE004B4513 /* Onboarding */,
D641C781213DD7DD004B4513 /* Timeline */,
@ -664,6 +669,15 @@
path = "Silent Action Permissions";
sourceTree = "<group>";
};
D6C693FA2162FE5D007D6A6D /* Utilities */ = {
isa = PBXGroup;
children = (
D6C693FB2162FE6F007D6A6D /* LoadingViewController.swift */,
D6C693FD2162FEEA007D6A6D /* UIViewController+Children.swift */,
);
path = Utilities;
sourceTree = "<group>";
};
D6D4DDC3212518A000E1C4BB = {
isa = PBXGroup;
children = (
@ -1086,10 +1100,12 @@
D6C693CA2161253F007D6A6D /* SilentActionPermissionsTableViewController.swift in Sources */,
D6333B372137838300CE884A /* AttributedString+Trim.swift in Sources */,
D641C777213CAA9E004B4513 /* ActionNotificationTableViewCell.swift in Sources */,
D6C693FE2162FEEA007D6A6D /* UIViewController+Children.swift in Sources */,
D64D0AB12128D9AE005A6F37 /* OnboardingViewController.swift in Sources */,
D663626821360E2C00C9CBA2 /* PreferencesTableViewController.swift in Sources */,
D64F80E2215875CC00BEF393 /* XCBActionType.swift in Sources */,
D66362752137068A00C9CBA2 /* Visibility+Helpers.swift in Sources */,
D6C693FC2162FE6F007D6A6D /* LoadingViewController.swift in Sources */,
D646C95A213B5D0500269FB5 /* LargeImageInteractionController.swift in Sources */,
D6F953EC212519E700CF0F2B /* TimelineTableViewController.swift in Sources */,
D663626A2136163000C9CBA2 /* PreferencesAdaptive.swift in Sources */,

12
Tusker/Screens/Profile/ProfileTableViewController.swift
View File

@ -43,13 +43,8 @@ class ProfileTableViewController: UITableViewController, PreferencesAdaptive {
if MastodonCache.account(for: accountID) != nil {
updateAccountUI()
} else {
let activityIndicator = UIActivityIndicatorView(style: .whiteLarge)
activityIndicator.color = .darkGray
activityIndicator.startAnimating()
activityIndicator.translatesAutoresizingMaskIntoConstraints = false
view.addSubview(activityIndicator)
activityIndicator.centerXAnchor.constraint(equalTo: view.safeAreaLayoutGuide.centerXAnchor)
activityIndicator.centerYAnchor.constraint(equalTo: view.safeAreaLayoutGuide.centerYAnchor)
let loadingVC = LoadingViewController()
add(loadingVC)
MastodonCache.account(for: accountID) { (account) in
guard account != nil else {
let alert = UIAlertController(title: "Something Went Wrong", message: "Couldn't load the selected account", preferredStyle: .alert)
@ -62,11 +57,12 @@ class ProfileTableViewController: UITableViewController, PreferencesAdaptive {
return
}
DispatchQueue.main.async {
activityIndicator.removeFromSuperview()
loadingVC.remove()
self.updateAccountUI()
self.tableView.reloadData()
}
}
}
}

38
Tusker/Screens/Utilities/LoadingViewController.swift Normal file
View File

@ -0,0 +1,38 @@
//
// LoadingViewController.swift
// Tusker
//
// Created by Shadowfacts on 10/1/18.
// Copyright © 2018 Shadowfacts. All rights reserved.
//
import UIKit
// Based on John Sundell's example: https://www.swiftbysundell.com/posts/using-child-view-controllers-as-plugins-in-swift
class LoadingViewController: UIViewController {
private var activityIndicator: UIActivityIndicatorView!
override func viewDidLoad() {
super.viewDidLoad()
activityIndicator = UIActivityIndicatorView(style: .whiteLarge)
activityIndicator.color = .darkGray
activityIndicator.translatesAutoresizingMaskIntoConstraints = false
view.addSubview(activityIndicator)
activityIndicator.centerXAnchor.constraint(equalTo: view.safeAreaLayoutGuide.centerXAnchor).isActive = true
activityIndicator.centerYAnchor.constraint(equalTo: view.safeAreaLayoutGuide.centerYAnchor).isActive = true
}
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
// 0.5s delay so indicator is not shown if data loads very quickly
DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) { [weak self] in
self?.activityIndicator.startAnimating()
}
}
}

25
Tusker/Screens/Utilities/UIViewController+Children.swift Normal file
View File

@ -0,0 +1,25 @@
//
// UIViewController+Children.swift
// Tusker
//
// Created by Shadowfacts on 10/1/18.
// Copyright © 2018 Shadowfacts. All rights reserved.
//
import UIKit
extension UIViewController {
func add(_ child: UIViewController) {
addChild(child)
view.addSubview(child.view)
child.didMove(toParent: self)
}
func remove() {
guard parent != nil else { return }
willMove(toParent: nil)
removeFromParent()
view.removeFromSuperview()
}
}