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Code Issues Pull Requests Releases Wiki Activity

Persist more state when switching accounts 

Closes #486
This commit is contained in:
Shadowfacts 2024-05-24 14:03:51 -04:00
parent 966a906436
commit 3d0de5af04
3 changed files with 31 additions and 14 deletions
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5
Tusker/Scenes/MainSceneDelegate.swift
View File

@ -225,7 +225,6 @@ class MainSceneDelegate: UIResponder, UIWindowSceneDelegate, TuskerSceneDelegate
window!.windowScene!.title = account.instanceURL.host!
}
let newRoot = createAppUI()
if let container = window?.rootViewController as? AccountSwitchingContainerViewController {
let direction: AccountSwitchingContainerViewController.AnimationDirection
if animated,
@ -235,9 +234,9 @@ class MainSceneDelegate: UIResponder, UIWindowSceneDelegate, TuskerSceneDelegate
} else {
direction = .none
}
container.setRoot(newRoot, for: account, animating: direction)
container.setRoot(createAppUI, for: account, animating: direction)
} else {
window!.rootViewController = AccountSwitchingContainerViewController(root: newRoot, for: account)
window!.rootViewController = AccountSwitchingContainerViewController(root: createAppUI(), for: account)
}
}

38
Tusker/Screens/Main/AccountSwitchingContainerViewController.swift
View File

@ -23,7 +23,7 @@ class AccountSwitchingContainerViewController: UIViewController {
private(set) var currentAccountID: String
private(set) var root: AccountSwitchableViewController
private var userActivities: [String: NSUserActivity] = [:]
private var viewControllers: [String: (AccountSwitchableViewController?, NSUserActivity)] = [:]
init(root: AccountSwitchableViewController, for account: UserAccountInfo) {
self.currentAccountID = account.id
@ -42,27 +42,43 @@ class AccountSwitchingContainerViewController: UIViewController {
embedChild(root)
}
func setRoot(_ newRoot: AccountSwitchableViewController, for account: UserAccountInfo, animating direction: AnimationDirection) {
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
viewControllers = viewControllers.mapValues { (_, activity) in
(nil, activity)
}
}
func setRoot(_ newRootProvider: () -> AccountSwitchableViewController, for account: UserAccountInfo, animating direction: AnimationDirection) {
let oldRoot = self.root
if direction == .none {
oldRoot.removeViewAndController()
}
if let activity = oldRoot.stateRestorationActivity() {
stateRestorationLogger.debug("AccountSwitchingContainer: saving \(activity.activityType, privacy: .public) for \(self.currentAccountID, privacy: .public)")
userActivities[currentAccountID] = activity
viewControllers[currentAccountID] = (oldRoot, activity)
}
let newRoot: AccountSwitchableViewController
if let (existingRoot, activity) = viewControllers.removeValue(forKey: account.id) {
if let existingRoot {
newRoot = existingRoot
stateRestorationLogger.debug("AccountSwitchingContainer: reusing existing VC for \(account.id, privacy: .public)")
} else {
newRoot = newRootProvider()
stateRestorationLogger.debug("AccountSwitchingContainer: restoring \(activity.activityType, privacy: .public) for \(account.id, privacy: .public)")
let context = StateRestorationUserActivityHandlingContext(root: newRoot)
_ = activity.handleResume(manager: UserActivityManager(scene: view.window!.windowScene!, context: context))
context.finalize(activity: activity)
}
} else {
newRoot = newRootProvider()
}
self.currentAccountID = account.id
self.root = newRoot
embedChild(newRoot)
if let activity = userActivities.removeValue(forKey: account.id) {
stateRestorationLogger.debug("AccountSwitchingContainer: restoring \(activity.activityType, privacy: .public) for \(account.id, privacy: .public)")
let context = StateRestorationUserActivityHandlingContext(root: newRoot)
_ = activity.handleResume(manager: UserActivityManager(scene: view.window!.windowScene!, context: context))
context.finalize(activity: activity)
}
if direction != .none {
if UIAccessibility.prefersCrossFadeTransitions {
newRoot.view.alpha = 0
@ -92,6 +108,7 @@ class AccountSwitchingContainerViewController: UIViewController {
#endif
// only one edge is affected in each direction, i have no idea why
let origAdditionalSafeAreaInsets = oldRoot.additionalSafeAreaInsets
if direction == .upwards {
oldRoot.additionalSafeAreaInsets.bottom = view.safeAreaInsets.bottom
} else {
@ -102,6 +119,7 @@ class AccountSwitchingContainerViewController: UIViewController {
oldRoot.view.transform = CGAffineTransform(translationX: 0, y: -newInitialOffset).scaledBy(x: scale, y: scale)
newRoot.view.transform = .identity
} completion: { (_) in
oldRoot.additionalSafeAreaInsets = origAdditionalSafeAreaInsets
oldRoot.removeViewAndController()
newRoot.view.layer.masksToBounds = false
}

2
Tusker/Screens/Utilities/UIViewController+Children.swift
View File

@ -68,7 +68,7 @@ extension UIView {
if layout {
subview.frame = bounds
subview.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([
subview.leadingAnchor.constraint(equalTo: leadingAnchor),
subview.trailingAnchor.constraint(equalTo: trailingAnchor),