mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-06-16 05:55:20 +00:00
416 lines
20 KiB
Swift
416 lines
20 KiB
Swift
import Foundation
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import UIKit
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import WebKit
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import Display
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import AsyncDisplayKit
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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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import AttachmentUI
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import CounterContollerTitleView
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import ContextUI
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import PresentationDataUtils
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import HexColor
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private class WeakGameScriptMessageHandler: NSObject, WKScriptMessageHandler {
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private let f: (WKScriptMessage) -> ()
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init(_ f: @escaping (WKScriptMessage) -> ()) {
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self.f = f
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super.init()
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}
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func userContentController(_ controller: WKUserContentController, didReceive scriptMessage: WKScriptMessage) {
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self.f(scriptMessage)
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}
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}
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private func generateThemeParams(_ presentationTheme: PresentationTheme) -> [String: Any] {
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var backgroundColor = presentationTheme.list.plainBackgroundColor.rgb
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if backgroundColor == 0x000000 {
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backgroundColor = presentationTheme.list.itemBlocksBackgroundColor.rgb
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}
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return [
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"bg_color": Int32(bitPattern: backgroundColor),
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"text_color": Int32(bitPattern: presentationTheme.list.itemPrimaryTextColor.rgb),
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"hint_color": Int32(bitPattern: presentationTheme.list.itemSecondaryTextColor.rgb),
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"link_color": Int32(bitPattern: presentationTheme.list.itemAccentColor.rgb),
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"button_color": Int32(bitPattern: presentationTheme.list.itemCheckColors.fillColor.rgb),
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"button_text_color": Int32(bitPattern: presentationTheme.list.itemCheckColors.foregroundColor.rgb)
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]
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}
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public final class WebAppController: ViewController, AttachmentContainable {
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public var requestAttachmentMenuExpansion: () -> Void = { }
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public var updateNavigationStack: (@escaping ([AttachmentContainable]) -> ([AttachmentContainable], AttachmentMediaPickerContext?)) -> Void = { _ in }
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public var updateTabBarAlpha: (CGFloat, ContainedViewLayoutTransition) -> Void = { _, _ in }
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public var cancelPanGesture: () -> Void = { }
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private class Node: ViewControllerTracingNode, UIScrollViewDelegate {
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private weak var controller: WebAppController?
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private var webView: WKWebView?
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private let context: AccountContext
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var presentationData: PresentationData
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private let present: (ViewController, Any?) -> Void
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private var queryId: Int64?
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init(context: AccountContext, controller: WebAppController, presentationData: PresentationData, peerId: PeerId, botId: PeerId, url: String?, queryId: Int64?, present: @escaping (ViewController, Any?) -> Void) {
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self.context = context
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self.controller = controller
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self.presentationData = presentationData
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self.present = present
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super.init()
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self.backgroundColor = .white
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let configuration = WKWebViewConfiguration()
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let userController = WKUserContentController()
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let js = "var TelegramWebviewProxyProto = function() {}; " +
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"TelegramWebviewProxyProto.prototype.postEvent = function(eventName, eventData) { " +
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"window.webkit.messageHandlers.performAction.postMessage({'eventName': eventName, 'eventData': eventData}); " +
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"}; " +
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"var TelegramWebviewProxy = new TelegramWebviewProxyProto();"
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let userScript = WKUserScript(source: js, injectionTime: .atDocumentStart, forMainFrameOnly: false)
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userController.addUserScript(userScript)
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userController.add(WeakGameScriptMessageHandler { [weak self] message in
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if let strongSelf = self {
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strongSelf.handleScriptMessage(message)
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}
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}, name: "performAction")
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let selectionString = "var css = '*{-webkit-touch-callout:none;-webkit-user-select:none}';"
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+ " var head = document.head || document.getElementsByTagName('head')[0];"
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+ " var style = document.createElement('style'); style.type = 'text/css';" +
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" style.appendChild(document.createTextNode(css)); head.appendChild(style);"
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let selectionScript: WKUserScript = WKUserScript(source: selectionString, injectionTime: .atDocumentEnd, forMainFrameOnly: true)
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userController.addUserScript(selectionScript)
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configuration.userContentController = userController
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configuration.allowsInlineMediaPlayback = true
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if #available(iOSApplicationExtension 10.0, iOS 10.0, *) {
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configuration.mediaTypesRequiringUserActionForPlayback = []
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} else if #available(iOSApplicationExtension 9.0, iOS 9.0, *) {
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configuration.requiresUserActionForMediaPlayback = false
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} else {
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configuration.mediaPlaybackRequiresUserAction = false
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}
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let webView = WKWebView(frame: CGRect(), configuration: configuration)
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if #available(iOSApplicationExtension 9.0, iOS 9.0, *) {
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webView.allowsLinkPreview = false
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}
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if #available(iOSApplicationExtension 11.0, iOS 11.0, *) {
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webView.scrollView.contentInsetAdjustmentBehavior = .never
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}
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webView.interactiveTransitionGestureRecognizerTest = { point -> Bool in
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return point.x > 30.0
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}
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webView.allowsBackForwardNavigationGestures = false
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webView.scrollView.delegate = self
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self.view.addSubview(webView)
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self.webView = webView
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if let url = url, let queryId = queryId {
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self.queryId = queryId
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if let parsedUrl = URL(string: url) {
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self.webView?.load(URLRequest(url: parsedUrl))
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}
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} else {
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let _ = (context.engine.messages.requestWebView(peerId: peerId, botId: botId, url: url, themeParams: generateThemeParams(presentationData.theme))
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|> deliverOnMainQueue).start(next: { [weak self] result in
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guard let strongSelf = self else {
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return
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}
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switch result {
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case let .webViewResult(queryId, url):
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if let parsedUrl = URL(string: url) {
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strongSelf.queryId = queryId
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strongSelf.webView?.load(URLRequest(url: parsedUrl))
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}
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case .requestConfirmation:
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break
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}
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})
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}
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}
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func scrollViewDidScroll(_ scrollView: UIScrollView) {
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let contentOffset = scrollView.contentOffset.y
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self.controller?.navigationBar?.updateBackgroundAlpha(min(30.0, contentOffset) / 30.0, transition: .immediate)
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}
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func containerLayoutUpdated(_ layout: ContainerViewLayout, navigationBarHeight: CGFloat, transition: ContainedViewLayoutTransition) {
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if let webView = self.webView {
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webView.frame = CGRect(origin: CGPoint(x: 0.0, y: navigationBarHeight), size: CGSize(width: layout.size.width, height: max(1.0, layout.size.height - navigationBarHeight - layout.intrinsicInsets.bottom)))
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}
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}
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func animateIn() {
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self.layer.animatePosition(from: CGPoint(x: self.layer.position.x, y: self.layer.position.y + self.layer.bounds.size.height), to: self.layer.position, duration: 0.5, timingFunction: kCAMediaTimingFunctionSpring)
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}
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func animateOut(completion: (() -> Void)? = nil) {
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self.layer.animatePosition(from: self.layer.position, to: CGPoint(x: self.layer.position.x, y: self.layer.position.y + self.layer.bounds.size.height), duration: 0.2, timingFunction: CAMediaTimingFunctionName.easeInEaseOut.rawValue, removeOnCompletion: false, completion: { _ in
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completion?()
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})
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}
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private func handleScriptMessage(_ message: WKScriptMessage) {
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guard let body = message.body as? [String: Any] else {
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return
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}
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guard let eventName = body["eventName"] as? String else {
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return
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}
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switch eventName {
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case "webview_send_result_message":
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self.handleSendResultMessage()
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case "webview_close":
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self.controller?.dismiss()
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default:
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break
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}
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}
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func sendEvent(name: String, data: String) {
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let script = "window.TelegramGameProxy.receiveEvent(\"\(name)\", \(data))"
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self.webView?.evaluateJavaScript(script, completionHandler: { _, _ in
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})
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}
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func updatePresentationData(_ presentationData: PresentationData) {
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self.presentationData = presentationData
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let themeParams = generateThemeParams(presentationData.theme)
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var themeParamsString = "{"
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for (key, value) in themeParams {
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if let value = value as? Int32 {
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let color = UIColor(rgb: UInt32(bitPattern: value))
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if themeParamsString.count > 1 {
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themeParamsString.append(", ")
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}
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themeParamsString.append("\"\(key)\": \"#\(color.hexString)\"")
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}
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}
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themeParamsString.append("}")
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self.sendEvent(name: "theme_changed", data: themeParamsString)
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}
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private func handleSendResultMessage() {
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guard let controller = self.controller, let queryId = self.queryId else {
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return
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}
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let _ = (self.context.engine.messages.getWebViewResult(peerId: controller.peerId, botId: controller.botId, queryId: queryId)
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|> deliverOnMainQueue).start(next: { [weak self] result in
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guard let strongSelf = self, let controller = strongSelf.controller else {
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return
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}
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controller.present(textAlertController(context: strongSelf.context, updatedPresentationData: controller.updatedPresentationData, title: nil, text: "Send result?", actions: [TextAlertAction(type: .genericAction, title: strongSelf.presentationData.strings.Common_Cancel, action: {}), TextAlertAction(type: .defaultAction, title: strongSelf.presentationData.strings.Common_OK, action: { [weak self] in
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guard let strongSelf = self, let controller = strongSelf.controller else {
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return
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}
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let _ = strongSelf.context.engine.messages.enqueueOutgoingMessageWithChatContextResult(to: controller.peerId, botId: controller.botId, result: result)
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controller.dismiss()
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})]), in: .window(.root))
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})
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}
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}
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private var controllerNode: Node {
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return self.displayNode as! Node
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}
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private var titleView: CounterContollerTitleView?
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private let moreButtonNode: MoreButtonNode
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private let context: AccountContext
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private let peerId: PeerId
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private let botId: PeerId
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private let url: String?
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private let queryId: Int64?
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private var presentationData: PresentationData
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fileprivate let updatedPresentationData: (initial: PresentationData, signal: Signal<PresentationData, NoError>)?
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private var presentationDataDisposable: Disposable?
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public init(context: AccountContext, updatedPresentationData: (initial: PresentationData, signal: Signal<PresentationData, NoError>)? = nil, peerId: PeerId, botId: PeerId, botName: String, url: String?, queryId: Int64?) {
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self.context = context
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self.peerId = peerId
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self.botId = botId
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self.url = url
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self.queryId = queryId
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self.updatedPresentationData = updatedPresentationData
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self.presentationData = updatedPresentationData?.initial ?? context.sharedContext.currentPresentationData.with { $0 }
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var theme = NavigationBarTheme(rootControllerTheme: self.presentationData.theme)
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if self.presentationData.theme.list.plainBackgroundColor.rgb == 0x000000 {
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theme = theme.withUpdatedBackgroundColor(self.presentationData.theme.list.itemBlocksBackgroundColor)
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} else {
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theme = theme.withUpdatedBackgroundColor(self.presentationData.theme.list.plainBackgroundColor)
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}
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let navigationBarPresentationData = NavigationBarPresentationData(theme: theme, strings: NavigationBarStrings(back: "", close: ""))
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self.moreButtonNode = MoreButtonNode(theme: self.presentationData.theme)
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self.moreButtonNode.iconNode.enqueueState(.more, animated: false)
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super.init(navigationBarPresentationData: navigationBarPresentationData)
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self.statusBar.statusBarStyle = self.presentationData.theme.rootController.statusBarStyle.style
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self.navigationItem.leftBarButtonItem = UIBarButtonItem(title: self.presentationData.strings.Common_Cancel, style: .plain, target: self, action: #selector(self.cancelPressed))
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self.navigationItem.rightBarButtonItem = UIBarButtonItem(customDisplayNode: self.moreButtonNode)
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self.navigationItem.rightBarButtonItem?.action = #selector(self.moreButtonPressed)
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self.navigationItem.rightBarButtonItem?.target = self
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let titleView = CounterContollerTitleView(theme: self.presentationData.theme)
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titleView.title = CounterContollerTitle(title: botName, counter: self.presentationData.strings.Bot_GenericBotStatus)
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self.navigationItem.titleView = titleView
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self.titleView = titleView
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self.moreButtonNode.action = { [weak self] _, gesture in
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if let strongSelf = self {
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strongSelf.morePressed(node: strongSelf.moreButtonNode.contextSourceNode, gesture: gesture)
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}
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}
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self.presentationDataDisposable = ((updatedPresentationData?.signal ?? context.sharedContext.presentationData)
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|> deliverOnMainQueue).start(next: { [weak self] presentationData in
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if let strongSelf = self {
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strongSelf.presentationData = presentationData
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var theme = NavigationBarTheme(rootControllerTheme: presentationData.theme)
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if presentationData.theme.list.plainBackgroundColor.rgb == 0x000000 {
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theme = theme.withUpdatedBackgroundColor(presentationData.theme.list.itemBlocksBackgroundColor)
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} else {
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theme = theme.withUpdatedBackgroundColor(presentationData.theme.list.plainBackgroundColor)
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}
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let navigationBarPresentationData = NavigationBarPresentationData(theme: theme, strings: NavigationBarStrings(back: "", close: ""))
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strongSelf.navigationBar?.updatePresentationData(navigationBarPresentationData)
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strongSelf.titleView?.theme = presentationData.theme
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strongSelf.controllerNode.updatePresentationData(presentationData)
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}
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})
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}
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required public init(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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deinit {
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assert(true)
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self.presentationDataDisposable?.dispose()
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}
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@objc private func cancelPressed() {
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self.dismiss()
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}
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@objc private func moreButtonPressed() {
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self.moreButtonNode.action?(self.moreButtonNode.contextSourceNode, nil)
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}
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@objc private func morePressed(node: ContextReferenceContentNode, gesture: ContextGesture?) {
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let context = self.context
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let presentationData = self.presentationData
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let peerId = self.peerId
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let botId = self.botId
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let items = context.engine.messages.attachMenuBots()
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|> map { attachMenuBots -> ContextController.Items in
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var items: [ContextMenuItem] = []
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if peerId != botId {
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items.append(.action(ContextMenuActionItem(text: presentationData.strings.WebApp_OpenBot, icon: { theme in
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return generateTintedImage(image: UIImage(bundleImageName: "Chat/Context Menu/Bots"), color: theme.contextMenu.primaryColor)
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}, action: { _, f in
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f(.default)
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// if let strongSelf = self {
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// strongSelf.context.sharedContext.navigateToChatController(NavigateToChatControllerParams(navigationController: strongSelf., context: strongSelf.context, chatLocation: .peer(id: strongSelf.peerId)))
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// }
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})))
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}
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items.append(.action(ContextMenuActionItem(text: self.presentationData.strings.WebApp_ReloadPage, icon: { theme in
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return generateTintedImage(image: UIImage(bundleImageName: "Chat/Context Menu/Share"), color: theme.contextMenu.primaryColor)
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}, action: { _, f in
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f(.default)
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})))
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if let _ = attachMenuBots.firstIndex(where: { $0.peer.id == botId}) {
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items.append(.action(ContextMenuActionItem(text: presentationData.strings.WebApp_RemoveBot, textColor: .destructive, icon: { theme in
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return generateTintedImage(image: UIImage(bundleImageName: "Chat/Context Menu/Delete"), color: theme.contextMenu.destructiveColor)
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}, action: { [weak self] _, f in
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f(.default)
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if let strongSelf = self {
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let _ = context.engine.messages.removeBotFromAttachMenu(peerId: strongSelf.botId).start()
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strongSelf.dismiss()
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}
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})))
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}
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return ContextController.Items(content: .list(items))
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}
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let contextController = ContextController(account: self.context.account, presentationData: self.presentationData, source: .reference(WebAppContextReferenceContentSource(controller: self, sourceNode: node)), items: items, gesture: gesture)
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self.presentInGlobalOverlay(contextController)
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}
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override public func loadDisplayNode() {
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self.displayNode = Node(context: self.context, controller: self, presentationData: self.presentationData, peerId: self.peerId, botId: self.botId, url: self.url, queryId: self.queryId, present: { [weak self] c, a in
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self?.present(c, in: .window(.root), with: a)
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})
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self.navigationBar?.updateBackgroundAlpha(0.0, transition: .immediate)
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}
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override public func containerLayoutUpdated(_ layout: ContainerViewLayout, transition: ContainedViewLayoutTransition) {
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super.containerLayoutUpdated(layout, transition: transition)
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self.controllerNode.containerLayoutUpdated(layout, navigationBarHeight: self.navigationLayout(layout: layout).navigationFrame.maxY, transition: transition)
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}
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override public var presentationController: UIPresentationController? {
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get {
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return nil
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} set(value) {
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}
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}
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}
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private final class WebAppContextReferenceContentSource: ContextReferenceContentSource {
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private let controller: ViewController
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private let sourceNode: ContextReferenceContentNode
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init(controller: ViewController, sourceNode: ContextReferenceContentNode) {
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self.controller = controller
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self.sourceNode = sourceNode
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}
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func transitionInfo() -> ContextControllerReferenceViewInfo? {
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return ContextControllerReferenceViewInfo(referenceView: self.sourceNode.view, contentAreaInScreenSpace: UIScreen.main.bounds)
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}
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}
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