[trello.com/c/sG80IZan] fix reading while TransactionDetails on screen

Adamant/Modules/Chat/View/ChatViewController.swift

@@ -320,6 +320,22 @@ extension ChatViewController {
                 self?.state.isAppActive = false
             }
             .store(in: &subscriptions)
+
+        NotificationCenter.default
+            .publisher(for: .controllerPresentedLifecycleNotification)
+            .sink { [weak self] notification in
+                guard let self,
+                      let id = notification.userInfo?["id"] as? String,
+                      let isPresented = notification.userInfo?["isPresented"] as? Bool else { return }
+
+                if isPresented {
+                    self.state.presentedControllerIDs.insert(id)
+                } else {
+                    self.state.presentedControllerIDs.remove(id)
+                    updateUnreadMessages()
+                }
+            }
+            .store(in: &subscriptions)
 
         viewModel.didTapAdmNodesList
             .sink { [weak self] in

Adamant/Modules/Chat/View/ChatViewControllerState.swift

@@ -20,12 +20,13 @@ struct ChatViewControllerState {
     var isAppActive = true
     var isScrollingToBottom = false
     var shouldScrollToNewMessagesOrSavedPosition = true
+    var presentedControllerIDs: Set<String> = []
 
     //calculation for animation, might use for something else in the future
     var isAnimationAllowed: Bool {
         isMessagesLoaded && !isAutoScrolling && !isScrollingToBottom
     }
     var canReadChat: Bool {
-        !isAutoScrolling && isViewAppeared && (!isMacOS || isAppActive)
+        !isAutoScrolling && isViewAppeared && (!isMacOS || isAppActive) && presentedControllerIDs.isEmpty
     }
 }

Adamant/Modules/ChatsList/ComplexTransferViewController.swift

@@ -57,6 +57,7 @@ final class ComplexTransferViewController: UIViewController {
         self.nodesStorage = nodesStorage
 
         super.init(nibName: nil, bundle: nil)
+        self.postLifecycleNotification(isPresented: true)
     }
 
     required init?(coder: NSCoder) {
@@ -93,6 +94,7 @@ final class ComplexTransferViewController: UIViewController {
     }
 
     deinit {
+        self.postLifecycleNotification(isPresented: false)
         NotificationCenter.default.removeObserver(self)
     }
 
@@ -113,6 +115,14 @@ final class ComplexTransferViewController: UIViewController {
     @objc func cancel() {
         transferDelegate?.complexTransferViewController(self, didFinishWithTransfer: nil, detailsViewController: nil)
     }
+
+    private func postLifecycleNotification(isPresented: Bool) {
+        NotificationCenter.default.post(
+            name: .controllerPresentedLifecycleNotification,
+            object: nil,
+            userInfo: ["id": controllerIdKey, "isPresented": isPresented]
+        )
+    }
 }
 
 extension ComplexTransferViewController: PagingViewControllerDataSource {
@@ -266,3 +276,9 @@ extension ComplexTransferViewController {
         super.pressesBegan(presses, with: event)
     }
 }
+
+extension Notification.Name {
+    static let controllerPresentedLifecycleNotification = Notification.Name("controllerPresentedLifecycleNotification")
+}
+
+fileprivate let controllerIdKey: String = "complexTransferViewController"

Adamant/Modules/Wallets/TransactionDetailsViewControllerBase.swift

@@ -269,6 +269,7 @@ class TransactionDetailsViewControllerBase: FormViewController {
         self.languageService = languageService
 
         super.init(style: .grouped)
+        postLifecycleNotification(isPresented: true)
     }
 
     required init?(coder aDecoder: NSCoder) {
@@ -834,6 +835,7 @@ class TransactionDetailsViewControllerBase: FormViewController {
     }
 
     deinit {
+        postLifecycleNotification(isPresented: false)
         refreshTask?.cancel()
     }
 
@@ -955,6 +957,14 @@ class TransactionDetailsViewControllerBase: FormViewController {
         row.value = getFeeValue()
         row.updateCell()
     }
+
+    private func postLifecycleNotification(isPresented: Bool) {
+        NotificationCenter.default.post(
+            name: .controllerPresentedLifecycleNotification,
+            object: nil,
+            userInfo: ["id": controllerIdKey, "isPresented": isPresented]
+        )
+    }
 
     func getFeeValue() -> String {
         guard let value = transaction?.feeValue else {
@@ -1105,3 +1115,5 @@ class TransactionDetailsViewControllerBase: FormViewController {
         )
     }
 }
+
+fileprivate let controllerIdKey: String = "transactionDetailsController"