Merge commit '7621e2f8dec938cf48181c8b10afc9b01f444e68' into beta

submodules/SettingsUI/Sources/Themes/ThemeSettingsChatPreviewItem.swift

@@ -0,0 +1,313 @@
+import Foundation
+import UIKit
+import Display
+import AsyncDisplayKit
+import SwiftSignalKit
+import TelegramCore
+import Postbox
+import TelegramPresentationData
+import TelegramUIPreferences
+import ItemListUI
+import PresentationDataUtils
+import AccountContext
+import WallpaperBackgroundNode
+
+struct ChatPreviewMessageItem: Equatable {
+    static func == (lhs: ChatPreviewMessageItem, rhs: ChatPreviewMessageItem) -> Bool {
+        if lhs.outgoing != rhs.outgoing {
+            return false
+        }
+        if let lhsReply = lhs.reply, let rhsReply = rhs.reply, lhsReply.0 != rhsReply.0 || lhsReply.1 != rhsReply.1 {
+            return false
+        } else if (lhs.reply == nil) != (rhs.reply == nil) {
+            return false
+        }
+        if lhs.text != rhs.text {
+            return false
+        }
+        if lhs.nameColor != rhs.nameColor {
+            return false
+        }
+        if lhs.backgroundEmojiId != rhs.backgroundEmojiId {
+            return false
+        }
+        return true
+    }
+    
+    let outgoing: Bool
+    let reply: (String, String)?
+    let text: String
+    let nameColor: PeerColor
+    let backgroundEmojiId: Int64?
+}
+
+class ThemeSettingsChatPreviewItem: ListViewItem, ItemListItem {
+    let context: AccountContext
+    let systemStyle: ItemListSystemStyle
+    let theme: PresentationTheme
+    let componentTheme: PresentationTheme
+    let strings: PresentationStrings
+    let sectionId: ItemListSectionId
+    let fontSize: PresentationFontSize
+    let chatBubbleCorners: PresentationChatBubbleCorners
+    let wallpaper: TelegramWallpaper
+    let dateTimeFormat: PresentationDateTimeFormat
+    let nameDisplayOrder: PresentationPersonNameOrder
+    let messageItems: [ChatPreviewMessageItem]
+    
+    init(context: AccountContext, systemStyle: ItemListSystemStyle = .legacy, theme: PresentationTheme, componentTheme: PresentationTheme, strings: PresentationStrings, sectionId: ItemListSectionId, fontSize: PresentationFontSize, chatBubbleCorners: PresentationChatBubbleCorners, wallpaper: TelegramWallpaper, dateTimeFormat: PresentationDateTimeFormat, nameDisplayOrder: PresentationPersonNameOrder, messageItems: [ChatPreviewMessageItem]) {
+        self.context = context
+        self.systemStyle = systemStyle
+        self.theme = theme
+        self.componentTheme = componentTheme
+        self.strings = strings
+        self.sectionId = sectionId
+        self.fontSize = fontSize
+        self.chatBubbleCorners = chatBubbleCorners
+        self.wallpaper = wallpaper
+        self.dateTimeFormat = dateTimeFormat
+        self.nameDisplayOrder = nameDisplayOrder
+        self.messageItems = messageItems
+    }
+    
+    func nodeConfiguredForParams(async: @escaping (@escaping () -> Void) -> Void, params: ListViewItemLayoutParams, synchronousLoads: Bool, previousItem: ListViewItem?, nextItem: ListViewItem?, completion: @escaping (ListViewItemNode, @escaping () -> (Signal<Void, NoError>?, (ListViewItemApply) -> Void)) -> Void) {
+        async {
+            let node = ThemeSettingsChatPreviewItemNode()
+            let (layout, apply) = node.asyncLayout()(self, params, itemListNeighbors(item: self, topItem: previousItem as? ItemListItem, bottomItem: nextItem as? ItemListItem))
+            
+            node.contentSize = layout.contentSize
+            node.insets = layout.insets
+            
+            Queue.mainQueue().async {
+                completion(node, {
+                    return (nil, { _ in apply() })
+                })
+            }
+        }
+    }
+    
+    func updateNode(async: @escaping (@escaping () -> Void) -> Void, node: @escaping () -> ListViewItemNode, params: ListViewItemLayoutParams, previousItem: ListViewItem?, nextItem: ListViewItem?, animation: ListViewItemUpdateAnimation, completion: @escaping (ListViewItemNodeLayout, @escaping (ListViewItemApply) -> Void) -> Void) {
+        Queue.mainQueue().async {
+            if let nodeValue = node() as? ThemeSettingsChatPreviewItemNode {
+                let makeLayout = nodeValue.asyncLayout()
+                
+                async {
+                    let (layout, apply) = makeLayout(self, params, itemListNeighbors(item: self, topItem: previousItem as? ItemListItem, bottomItem: nextItem as? ItemListItem))
+                    Queue.mainQueue().async {
+                        completion(layout, { _ in
+                            apply()
+                        })
+                    }
+                }
+            }
+        }
+    }
+}
+
+class ThemeSettingsChatPreviewItemNode: ListViewItemNode {
+    private var backgroundNode: WallpaperBackgroundNode?
+    private let topStripeNode: ASDisplayNode
+    private let bottomStripeNode: ASDisplayNode
+    private let maskNode: ASImageNode
+    
+    private let containerNode: ASDisplayNode
+    private var messageNodes: [ListViewItemNode]?
+    
+    private var item: ThemeSettingsChatPreviewItem?
+    private var finalImage = true
+    
+    private let disposable = MetaDisposable()
+    
+    init() {
+        self.topStripeNode = ASDisplayNode()
+        self.topStripeNode.isLayerBacked = true
+        
+        self.bottomStripeNode = ASDisplayNode()
+        self.bottomStripeNode.isLayerBacked = true
+        
+        self.maskNode = ASImageNode()
+        
+        self.containerNode = ASDisplayNode()
+        self.containerNode.subnodeTransform = CATransform3DMakeRotation(CGFloat.pi, 0.0, 0.0, 1.0)
+        
+        super.init(layerBacked: false, dynamicBounce: false)
+        
+        self.clipsToBounds = true
+        
+        self.addSubnode(self.containerNode)
+    }
+    
+    deinit {
+        self.disposable.dispose()
+    }
+    
+    func asyncLayout() -> (_ item: ThemeSettingsChatPreviewItem, _ params: ListViewItemLayoutParams, _ neighbors: ItemListNeighbors) -> (ListViewItemNodeLayout, () -> Void) {
+        let currentNodes = self.messageNodes
+
+        var currentBackgroundNode = self.backgroundNode
+        
+        return { item, params, neighbors in
+            if currentBackgroundNode == nil {
+                currentBackgroundNode = createWallpaperBackgroundNode(context: item.context, forChatDisplay: false)
+            }
+            currentBackgroundNode?.update(wallpaper: item.wallpaper, animated: false)
+            currentBackgroundNode?.updateBubbleTheme(bubbleTheme: item.componentTheme, bubbleCorners: item.chatBubbleCorners)
+
+            let insets: UIEdgeInsets
+            let separatorHeight = UIScreenPixel
+            
+            let peerId = PeerId(namespace: Namespaces.Peer.CloudUser, id: PeerId.Id._internalFromInt64Value(1))
+            let otherPeerId = PeerId(namespace: Namespaces.Peer.CloudUser, id: PeerId.Id._internalFromInt64Value(2))
+            var items: [ListViewItem] = []
+            for messageItem in item.messageItems.reversed() {
+                var peers = SimpleDictionary<PeerId, Peer>()
+                var messages = SimpleDictionary<MessageId, Message>()
+                
+                let replyMessageId = MessageId(peerId: peerId, namespace: 0, id: 3)
+                if let (author, text) = messageItem.reply {
+                    peers[peerId] = TelegramUser(id: peerId, accessHash: nil, firstName: author, lastName: "", username: nil, phone: nil, photo: [], botInfo: nil, restrictionInfo: nil, flags: [], emojiStatus: nil, usernames: [], storiesHidden: nil, nameColor: messageItem.nameColor, backgroundEmojiId: messageItem.backgroundEmojiId, profileColor: nil, profileBackgroundEmojiId: nil, subscriberCount: nil, verificationIconFileId: nil)
+                    messages[replyMessageId] = Message(stableId: 3, stableVersion: 0, id: replyMessageId, globallyUniqueId: nil, groupingKey: nil, groupInfo: nil, threadId: nil, timestamp: 66000, flags: [.Incoming], tags: [], globalTags: [], localTags: [], customTags: [], forwardInfo: nil, author: peers[peerId], text: text, attributes: [], media: [], peers: peers, associatedMessages: SimpleDictionary(), associatedMessageIds: [], associatedMedia: [:], associatedThreadInfo: nil, associatedStories: [:])
+                }
+                
+                let message = Message(stableId: 1, stableVersion: 0, id: MessageId(peerId: messageItem.outgoing ? otherPeerId : peerId, namespace: 0, id: 1), globallyUniqueId: nil, groupingKey: nil, groupInfo: nil, threadId: nil, timestamp: 66000, flags: messageItem.outgoing ? [] : [.Incoming], tags: [], globalTags: [], localTags: [], customTags: [], forwardInfo: nil, author: messageItem.outgoing ? TelegramUser(id: otherPeerId, accessHash: nil, firstName: "", lastName: "", username: nil, phone: nil, photo: [], botInfo: nil, restrictionInfo: nil, flags: [], emojiStatus: nil, usernames: [], storiesHidden: nil, nameColor: nil, backgroundEmojiId: nil, profileColor: nil, profileBackgroundEmojiId: nil, subscriberCount: nil, verificationIconFileId: nil) : nil, text: messageItem.text, attributes: messageItem.reply != nil ? [ReplyMessageAttribute(messageId: replyMessageId, threadMessageId: nil, quote: nil, isQuote: false, todoItemId: nil)] : [], media: [], peers: peers, associatedMessages: messages, associatedMessageIds: [], associatedMedia: [:], associatedThreadInfo: nil, associatedStories: [:])
+                items.append(item.context.sharedContext.makeChatMessagePreviewItem(context: item.context, messages: [message], theme: item.componentTheme, strings: item.strings, wallpaper: item.wallpaper, fontSize: item.fontSize, chatBubbleCorners: item.chatBubbleCorners, dateTimeFormat: item.dateTimeFormat, nameOrder: item.nameDisplayOrder, forcedResourceStatus: nil, tapMessage: nil, clickThroughMessage: nil, backgroundNode: currentBackgroundNode, availableReactions: nil, accountPeer: nil, isCentered: false, isPreview: true, isStandalone: false))
+            }
+            
+            var nodes: [ListViewItemNode] = []
+            if let messageNodes = currentNodes {
+                nodes = messageNodes
+                for i in 0 ..< items.count {
+                    let itemNode = messageNodes[i]
+                    items[i].updateNode(async: { $0() }, node: {
+                        return itemNode
+                    }, params: params, previousItem: i == 0 ? nil : items[i - 1], nextItem: i == (items.count - 1) ? nil : items[i + 1], animation: .None, completion: { (layout, apply) in
+                        let nodeFrame = CGRect(origin: itemNode.frame.origin, size: CGSize(width: layout.size.width, height: layout.size.height))
+                        
+                        itemNode.contentSize = layout.contentSize
+                        itemNode.insets = layout.insets
+                        itemNode.frame = nodeFrame
+                        itemNode.isUserInteractionEnabled = false
+                        
+                        apply(ListViewItemApply(isOnScreen: true))
+                    })
+                }
+            } else {
+                var messageNodes: [ListViewItemNode] = []
+                for i in 0 ..< items.count {
+                    var itemNode: ListViewItemNode?
+                    items[i].nodeConfiguredForParams(async: { $0() }, params: params, synchronousLoads: false, previousItem: i == 0 ? nil : items[i - 1], nextItem: i == (items.count - 1) ? nil : items[i + 1], completion: { node, apply in
+                        itemNode = node
+                        apply().1(ListViewItemApply(isOnScreen: true))
+                    })
+                    itemNode!.isUserInteractionEnabled = false
+                    messageNodes.append(itemNode!)
+                }
+                nodes = messageNodes
+            }
+            
+            var contentSize = CGSize(width: params.width, height: 4.0 + 4.0)
+            for node in nodes {
+                contentSize.height += node.frame.size.height
+            }
+            insets = itemListNeighborsGroupedInsets(neighbors, params)
+            
+            let layout = ListViewItemNodeLayout(contentSize: contentSize, insets: insets)
+            let layoutSize = layout.size
+            
+            return (layout, { [weak self] in
+                if let strongSelf = self {
+                    strongSelf.item = item
+                    
+                    strongSelf.containerNode.frame = CGRect(origin: CGPoint(), size: contentSize)
+                    
+                    strongSelf.messageNodes = nodes
+                    var topOffset: CGFloat = 4.0
+                    for node in nodes {
+                        if node.supernode == nil {
+                            strongSelf.containerNode.addSubnode(node)
+                        }
+                        node.updateFrame(CGRect(origin: CGPoint(x: 0.0, y: topOffset), size: node.frame.size), within: layoutSize)
+                        topOffset += node.frame.size.height
+                    }
+
+                    if let currentBackgroundNode = currentBackgroundNode, strongSelf.backgroundNode !== currentBackgroundNode {
+                        strongSelf.backgroundNode = currentBackgroundNode
+                        strongSelf.insertSubnode(currentBackgroundNode, at: 0)
+                    }
+                    
+                    strongSelf.topStripeNode.backgroundColor = item.theme.list.itemBlocksSeparatorColor
+                    strongSelf.bottomStripeNode.backgroundColor = item.theme.list.itemBlocksSeparatorColor
+
+                    if strongSelf.topStripeNode.supernode == nil {
+                        strongSelf.insertSubnode(strongSelf.topStripeNode, at: 1)
+                    }
+                    if strongSelf.bottomStripeNode.supernode == nil {
+                        strongSelf.insertSubnode(strongSelf.bottomStripeNode, at: 2)
+                    }
+                    if strongSelf.maskNode.supernode == nil {
+                        strongSelf.insertSubnode(strongSelf.maskNode, at: 3)
+                    }
+                    
+                    let hasCorners = itemListHasRoundedBlockLayout(params)
+                    var hasTopCorners = false
+                    var hasBottomCorners = false
+                    switch neighbors.top {
+                        case .sameSection(false):
+                            strongSelf.topStripeNode.isHidden = true
+                        default:
+                            hasTopCorners = true
+                            strongSelf.topStripeNode.isHidden = hasCorners
+                    }
+                    let bottomStripeInset: CGFloat
+                    let bottomStripeOffset: CGFloat
+                    switch neighbors.bottom {
+                        case .sameSection(false):
+                            bottomStripeInset = 0.0
+                            bottomStripeOffset = -separatorHeight
+                            strongSelf.bottomStripeNode.isHidden = false
+                        default:
+                            bottomStripeInset = 0.0
+                            bottomStripeOffset = 0.0
+                            hasBottomCorners = true
+                            strongSelf.bottomStripeNode.isHidden = hasCorners
+                    }
+                    
+                    strongSelf.maskNode.image = hasCorners ? PresentationResourcesItemList.cornersImage(item.componentTheme, top: hasTopCorners, bottom: hasBottomCorners, glass: item.systemStyle == .glass) : nil
+                    
+                    let backgroundFrame = CGRect(origin: CGPoint(x: 0.0, y: -min(insets.top, separatorHeight)), size: CGSize(width: params.width, height: contentSize.height + min(insets.top, separatorHeight) + min(insets.bottom, separatorHeight)))
+                    
+                    let displayMode: WallpaperDisplayMode
+                    if abs(params.availableHeight - params.width) < 100.0, params.availableHeight > 700.0 {
+                        displayMode = .halfAspectFill
+                    } else {
+                        if backgroundFrame.width > backgroundFrame.height * 4.0 {
+                            if params.availableHeight < 700.0 {
+                                displayMode = .halfAspectFill
+                            } else {
+                                displayMode = .aspectFill
+                            }
+                        } else {
+                            displayMode = .aspectFill
+                        }
+                    }
+                    
+                    if let backgroundNode = strongSelf.backgroundNode {
+                        backgroundNode.frame = backgroundFrame.insetBy(dx: 0.0, dy: -100.0)
+                        backgroundNode.updateLayout(size: backgroundNode.bounds.size, displayMode: displayMode, transition: .immediate)
+                    }
+                    strongSelf.maskNode.frame = backgroundFrame.insetBy(dx: params.leftInset, dy: 0.0)
+                    strongSelf.topStripeNode.frame = CGRect(origin: CGPoint(x: 0.0, y: -min(insets.top, separatorHeight)), size: CGSize(width: layoutSize.width, height: separatorHeight))
+                    strongSelf.bottomStripeNode.frame = CGRect(origin: CGPoint(x: bottomStripeInset, y: contentSize.height + bottomStripeOffset), size: CGSize(width: layoutSize.width - bottomStripeInset, height: separatorHeight))
+                }
+            })
+        }
+    }
+    
+    override func animateInsertion(_ currentTimestamp: Double, duration: Double, options: ListViewItemAnimationOptions) {
+        self.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.4)
+    }
+    
+    override func animateRemoved(_ currentTimestamp: Double, duration: Double) {
+        self.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.15, removeOnCompletion: false)
+    }
+}