Various improvements

submodules/AccountContext/Sources/ChatController.swift

@@ -913,6 +913,7 @@ public protocol ChatController: ViewController {
     func activateSearch(domain: ChatSearchDomain, query: String)
     func beginClearHistory(type: InteractiveHistoryClearingType)
     
+    func performScrollToTop() -> Bool
     func transferScrollingVelocity(_ velocity: CGFloat)
     func updateIsScrollingLockedAtTop(isScrollingLockedAtTop: Bool)
 }

submodules/TelegramCore/Sources/State/AccountViewTracker.swift

@@ -1860,6 +1860,23 @@ public final class AccountViewTracker {
                     return transaction.getMessageHistoryThreadInfo(peerId: peerId, threadId: threadId)?.data.get(MessageHistoryThreadData.self)
                 }
                 |> mapToSignal { threadInfo -> Signal<(MessageHistoryView, ViewUpdateType, InitialMessageHistoryData?), NoError> in
+                    if peerId == account.peerId {
+                        return account.postbox.aroundMessageHistoryViewForLocation(
+                            chatLocation,
+                            anchor: .upperBound,
+                            ignoreMessagesInTimestampRange: ignoreMessagesInTimestampRange,
+                            count: count,
+                            fixedCombinedReadStates: .peer([peerId: CombinedPeerReadState(states: [
+                                (Namespaces.Message.Cloud, PeerReadState.idBased(maxIncomingReadId: Int32.max - 1, maxOutgoingReadId: Int32.max - 1, maxKnownId: Int32.max - 1, count: 0, markedUnread: false))
+                            ])]),
+                            topTaggedMessageIdNamespaces: [],
+                            tagMask: tagMask,
+                            appendMessagesFromTheSameGroup: false,
+                            namespaces: .not(Namespaces.Message.allScheduled),
+                            orderStatistics: orderStatistics,
+                            additionalData: wrappedHistoryViewAdditionalData(chatLocation: chatLocation, additionalData: additionalData)
+                        )
+                    } else {
                         if let threadInfo = threadInfo {
                             let anchor: HistoryViewInputAnchor
                             if threadInfo.maxIncomingReadId <= 1 {
@@ -1885,6 +1902,7 @@ public final class AccountViewTracker {
                                 additionalData: wrappedHistoryViewAdditionalData(chatLocation: chatLocation, additionalData: additionalData)
                             )
                         }
+                    }
                     
                     return account.postbox.aroundMessageOfInterestHistoryViewForChatLocation(chatLocation, ignoreMessagesInTimestampRange: ignoreMessagesInTimestampRange, count: count, topTaggedMessageIdNamespaces: [Namespaces.Message.Cloud], tagMask: tagMask, appendMessagesFromTheSameGroup: appendMessagesFromTheSameGroup, namespaces: .not(Namespaces.Message.allScheduled), orderStatistics: orderStatistics, customUnreadMessageId: nil, additionalData: wrappedHistoryViewAdditionalData(chatLocation: chatLocation, additionalData: additionalData))
                 }

submodules/TelegramUI/Components/Chat/ChatMessageAttachedContentNode/Sources/ChatMessageAttachedContentNode.swift

@@ -183,7 +183,17 @@ public final class ChatMessageAttachedContentNode: ASDisplayNode {
             }
             
             let messageTheme = incoming ? presentationData.theme.theme.chat.message.incoming : presentationData.theme.theme.chat.message.outgoing
-            let author = message.author
+            
+            var author = message.effectiveAuthor
+            
+            if let forwardInfo = message.forwardInfo {
+                if let peer = forwardInfo.author {
+                    author = peer
+                } else if let authorSignature = forwardInfo.authorSignature {
+                    author = TelegramUser(id: PeerId(namespace: Namespaces.Peer.Empty, id: PeerId.Id._internalFromInt64Value(Int64(authorSignature.persistentHashValue % 32))), accessHash: nil, firstName: authorSignature, lastName: nil, username: nil, phone: nil, photo: [], botInfo: nil, restrictionInfo: nil, flags: [], emojiStatus: nil, usernames: [], storiesHidden: nil, nameColor: nil, backgroundEmojiId: nil, profileColor: nil, profileBackgroundEmojiId: nil)
+                }
+            }
+            
             let nameColors = author?.nameColor.flatMap { context.peerNameColors.get($0, dark: presentationData.theme.theme.overallDarkAppearance) }
             
             let mainColor: UIColor

submodules/TelegramUI/Components/Chat/ChatMessageReplyInfoNode/Sources/ChatMessageReplyInfoNode.swift

@@ -203,7 +203,15 @@ public class ChatMessageReplyInfoNode: ASDisplayNode {
             var dashSecondaryColor: UIColor?
             var dashTertiaryColor: UIColor?
             
-            let author = arguments.message?.effectiveAuthor
+            var author = arguments.message?.effectiveAuthor
+            
+            if let forwardInfo = arguments.message?.forwardInfo {
+                if let peer = forwardInfo.author {
+                    author = peer
+                } else if let authorSignature = forwardInfo.authorSignature {
+                    author = TelegramUser(id: PeerId(namespace: Namespaces.Peer.Empty, id: PeerId.Id._internalFromInt64Value(Int64(authorSignature.persistentHashValue % 32))), accessHash: nil, firstName: authorSignature, lastName: nil, username: nil, phone: nil, photo: [], botInfo: nil, restrictionInfo: nil, flags: [], emojiStatus: nil, usernames: [], storiesHidden: nil, nameColor: nil, backgroundEmojiId: nil, profileColor: nil, profileBackgroundEmojiId: nil)
+                }
+            }
             
             let colors = author?.nameColor.flatMap { arguments.context.peerNameColors.get($0, dark: arguments.presentationData.theme.theme.overallDarkAppearance) }
             authorNameColor = colors?.main

submodules/TelegramUI/Components/PeerInfo/PeerInfoChatPaneNode/Sources/PeerInfoChatPaneNode.swift

@@ -87,7 +87,7 @@ public final class PeerInfoChatPaneNode: ASDisplayNode, PeerInfoPaneNode, UIScro
     }
     
     public func scrollToTop() -> Bool {
-        return false
+        return self.chatController.performScrollToTop()
     }
 
     public func hitTestResultForScrolling() -> UIView? {

submodules/TelegramUI/Sources/Chat/ChatControllerNavigateToMessage.swift

@@ -393,7 +393,7 @@ extension ChatControllerImpl {
                                         quote = params.quote.flatMap { quote in ChatControllerSubject.MessageHighlight.Quote(string: quote.string, offset: quote.offset) }
                                     }
                                     
-                                    strongSelf.context.sharedContext.navigateToChatController(NavigateToChatControllerParams(navigationController: navigationController, context: strongSelf.context, chatLocation: .peer(peer), subject: messageLocation.messageId.flatMap { .message(id: .id($0), highlight: ChatControllerSubject.MessageHighlight(quote: quote), timecode: nil) }))
+                                    strongSelf.context.sharedContext.navigateToChatController(NavigateToChatControllerParams(navigationController: navigationController, context: strongSelf.context, chatLocation: .peer(peer), subject: messageLocation.messageId.flatMap { .message(id: .id($0), highlight: ChatControllerSubject.MessageHighlight(quote: quote), timecode: nil) }, keepStack: .always))
                                 }
                             })
                             completion?()

submodules/TelegramUI/Sources/ChatController.swift

@@ -18986,6 +18986,17 @@ public final class ChatControllerImpl: TelegramBaseController, ChatController, G
     public func transferScrollingVelocity(_ velocity: CGFloat) {
         self.chatDisplayNode.historyNode.transferVelocity(velocity)
     }
+    
+    public func performScrollToTop() -> Bool {
+        let offset = self.chatDisplayNode.historyNode.visibleContentOffset()
+        switch offset {
+        case let .known(value) where value <= CGFloat.ulpOfOne:
+            return false
+        default:
+            self.chatDisplayNode.historyNode.scrollToEndOfHistory()
+            return true
+        }
+    }
 }
 
 final class ChatContextControllerContentSourceImpl: ContextControllerContentSource {