98 lines
3.4 KiB
Swift
98 lines
3.4 KiB
Swift
//
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// SafariViewController.swift
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// flutter_inappbrowser
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//
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// Created by Lorenzo on 25/09/18.
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//
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import Foundation
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import SafariServices
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@available(iOS 9.0, *)
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class SafariViewController: SFSafariViewController, SFSafariViewControllerDelegate {
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weak var statusDelegate: SwiftFlutterPlugin?
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var tmpWindow: UIWindow?
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var safariOptions: SafariBrowserOptions?
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var uuid: String = ""
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override func viewWillAppear(_ animated: Bool) {
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prepareSafariBrowser()
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super.viewWillAppear(animated)
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}
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func prepareSafariBrowser() {
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if #available(iOS 11.0, *) {
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self.dismissButtonStyle = SFSafariViewController.DismissButtonStyle(rawValue: (safariOptions?.dismissButtonStyle)!)!
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}
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if #available(iOS 10.0, *) {
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if !(safariOptions?.preferredBarTintColor.isEmpty)! {
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self.preferredBarTintColor = color(fromHexString: (safariOptions?.preferredBarTintColor)!)
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}
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if !(safariOptions?.preferredControlTintColor.isEmpty)! {
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self.preferredControlTintColor = color(fromHexString: (safariOptions?.preferredControlTintColor)!)
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}
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}
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self.modalPresentationStyle = UIModalPresentationStyle(rawValue: (safariOptions?.presentationStyle)!)!
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self.modalTransitionStyle = UIModalTransitionStyle(rawValue: (safariOptions?.transitionStyle)!)!
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}
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func close() {
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dismiss(animated: true)
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DispatchQueue.main.asyncAfter(deadline: .now() + .milliseconds(400), execute: {() -> Void in
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self.tmpWindow?.windowLevel = 0.0
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UIApplication.shared.delegate?.window??.makeKeyAndVisible()
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if (self.statusDelegate != nil) {
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self.statusDelegate?.safariExit(uuid: self.uuid)
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}
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})
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}
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func safariViewControllerDidFinish(_ controller: SFSafariViewController) {
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close()
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}
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func safariViewController(_ controller: SFSafariViewController,
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didCompleteInitialLoad didLoadSuccessfully: Bool) {
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if didLoadSuccessfully {
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statusDelegate?.onChromeSafariBrowserLoaded(uuid: self.uuid)
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}
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else {
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print("Cant load successfully the 'SafariViewController'.")
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}
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}
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// Helper function to convert hex color string to UIColor
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// Assumes input like "#00FF00" (#RRGGBB).
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// Taken from https://stackoverflow.com/questions/1560081/how-can-i-create-a-uicolor-from-a-hex-string
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func color(fromHexString: String, alpha:CGFloat? = 1.0) -> UIColor {
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// Convert hex string to an integer
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let hexint = Int(self.intFromHexString(hexStr: fromHexString))
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let red = CGFloat((hexint & 0xff0000) >> 16) / 255.0
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let green = CGFloat((hexint & 0xff00) >> 8) / 255.0
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let blue = CGFloat((hexint & 0xff) >> 0) / 255.0
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let alpha = alpha!
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// Create color object, specifying alpha as well
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let color = UIColor(red: red, green: green, blue: blue, alpha: alpha)
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return color
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}
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func intFromHexString(hexStr: String) -> UInt32 {
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var hexInt: UInt32 = 0
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// Create scanner
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let scanner: Scanner = Scanner(string: hexStr)
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// Tell scanner to skip the # character
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scanner.charactersToBeSkipped = CharacterSet(charactersIn: "#")
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// Scan hex value
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scanner.scanHexInt32(&hexInt)
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return hexInt
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}
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}
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