mirror of
https://github.com/Swiftgram/Telegram-iOS.git
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44 lines
2.2 KiB
Swift
44 lines
2.2 KiB
Swift
import Foundation
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import UIKit
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import AsyncDisplayKit
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import Display
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import TelegramCore
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import SyncCore
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import TelegramPresentationData
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import ActivityIndicator
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final class ChatLoadingNode: ASDisplayNode {
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private let backgroundNode: NavigationBackgroundNode
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private let activityIndicator: ActivityIndicator
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private let offset: CGPoint
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init(theme: PresentationTheme, chatWallpaper: TelegramWallpaper, bubbleCorners: PresentationChatBubbleCorners) {
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self.backgroundNode = NavigationBackgroundNode(color: theme.chat.serviceMessage.components.withDefaultWallpaper.dateFillStatic)
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let serviceColor = serviceMessageColorComponents(theme: theme, wallpaper: chatWallpaper)
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self.activityIndicator = ActivityIndicator(type: .custom(serviceColor.primaryText, 22.0, 2.0, false), speed: .regular)
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if serviceColor.primaryText != .white {
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self.offset = CGPoint(x: 0.5, y: 0.5)
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} else {
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self.offset = CGPoint()
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}
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super.init()
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self.addSubnode(self.backgroundNode)
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self.addSubnode(self.activityIndicator)
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}
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func updateLayout(size: CGSize, insets: UIEdgeInsets, transition: ContainedViewLayoutTransition) {
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let displayRect = CGRect(origin: CGPoint(x: 0.0, y: insets.top), size: CGSize(width: size.width, height: size.height - insets.top - insets.bottom))
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let backgroundSize: CGFloat = 30.0
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transition.updateFrame(node: self.backgroundNode, frame: CGRect(origin: CGPoint(x: displayRect.minX + floor((displayRect.width - backgroundSize) / 2.0), y: displayRect.minY + floor((displayRect.height - backgroundSize) / 2.0)), size: CGSize(width: backgroundSize, height: backgroundSize)))
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self.backgroundNode.update(size: self.backgroundNode.bounds.size, cornerRadius: self.backgroundNode.bounds.height / 2.0, transition: transition)
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let activitySize = self.activityIndicator.measure(size)
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transition.updateFrame(node: self.activityIndicator, frame: CGRect(origin: CGPoint(x: displayRect.minX + floor((displayRect.width - activitySize.width) / 2.0) + self.offset.x, y: displayRect.minY + floor((displayRect.height - activitySize.height) / 2.0) + self.offset.y), size: activitySize))
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}
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}
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