mirror of
https://github.com/Swiftgram/Telegram-iOS.git
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105 lines
4.1 KiB
Swift
105 lines
4.1 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 Postbox
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import TelegramCore
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import SwiftSignalKit
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import TelegramPresentationData
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import AccountContext
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final class InstantPageFeedbackNode: ASDisplayNode, InstantPageNode {
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private let context: AccountContext
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private let webPage: TelegramMediaWebpage
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private let openUrl: (InstantPageUrlItem) -> Void
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private let highlightedBackgroundNode: ASDisplayNode
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private let buttonNode: HighlightableButtonNode
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private let labelNode: ASTextNode
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private let resolveDisposable = MetaDisposable()
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init(context: AccountContext, strings: PresentationStrings, theme: InstantPageTheme, webPage: TelegramMediaWebpage, openUrl: @escaping (InstantPageUrlItem) -> Void) {
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self.context = context
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self.webPage = webPage
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self.openUrl = openUrl
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self.highlightedBackgroundNode = ASDisplayNode()
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self.highlightedBackgroundNode.isLayerBacked = true
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self.highlightedBackgroundNode.alpha = 0.0
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self.buttonNode = HighlightableButtonNode()
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self.labelNode = ASTextNode()
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self.labelNode.isLayerBacked = true
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self.labelNode.maximumNumberOfLines = 2
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super.init()
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self.addSubnode(self.highlightedBackgroundNode)
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self.addSubnode(self.buttonNode)
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self.addSubnode(self.labelNode)
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self.buttonNode.addTarget(self, action: #selector(self.buttonPressed), forControlEvents: .touchUpInside)
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self.buttonNode.highligthedChanged = { [weak self] highlighted in
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if let strongSelf = self {
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if highlighted {
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strongSelf.highlightedBackgroundNode.layer.removeAnimation(forKey: "opacity")
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strongSelf.highlightedBackgroundNode.alpha = 1.0
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} else {
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strongSelf.highlightedBackgroundNode.alpha = 0.0
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strongSelf.highlightedBackgroundNode.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.2)
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}
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}
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}
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self.update(strings: strings, theme: theme)
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}
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deinit {
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self.resolveDisposable.dispose()
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}
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@objc func buttonPressed() {
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self.resolveDisposable.set((resolvePeerByName(account: self.context.account, name: "previews") |> deliverOnMainQueue).start(next: { [weak self] peerId in
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if let strongSelf = self, let _ = peerId, let webPageId = strongSelf.webPage.id?.id {
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strongSelf.openUrl(InstantPageUrlItem(url: "https://t.me/previews?start=webpage\(webPageId)", webpageId: nil))
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}
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}))
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}
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override func layout() {
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super.layout()
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let size = self.bounds.size
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let inset: CGFloat = 15.0
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self.highlightedBackgroundNode.frame = CGRect(origin: CGPoint(x: 0.0, y: -UIScreenPixel), size: CGSize(width: size.width, height: size.height + UIScreenPixel))
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self.buttonNode.frame = CGRect(origin: CGPoint(), size: size)
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let labelSize = self.labelNode.measure(CGSize(width: size.width - inset * 2.0, height: size.height))
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self.labelNode.frame = CGRect(origin: CGPoint(x: floorToScreenPixels((size.width - labelSize.width) / 2.0), y: floorToScreenPixels((size.height - labelSize.height) / 2.0)), size: labelSize)
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}
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func updateIsVisible(_ isVisible: Bool) {
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}
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func updateLayout(size: CGSize, transition: ContainedViewLayoutTransition) {
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}
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func transitionNode(media: InstantPageMedia) -> (ASDisplayNode, () -> (UIView?, UIView?))? {
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return nil
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}
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func updateHiddenMedia(media: InstantPageMedia?) {
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}
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func update(strings: PresentationStrings, theme: InstantPageTheme) {
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self.backgroundColor = theme.panelBackgroundColor
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self.highlightedBackgroundNode.backgroundColor = theme.panelHighlightedBackgroundColor
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self.labelNode.attributedText = NSAttributedString(string: strings.InstantPage_FeedbackButton, font: Font.regular(13.0), textColor: theme.panelSecondaryColor)
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}
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}
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