NetNewsWire/iOS/ShareExtension/ShareViewController.swift

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Swift
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//
// ShareViewController.swift
// NetNewsWire iOS Share Extension
//
// Created by Maurice Parker on 9/8/19.
// Copyright © 2019 Ranchero Software. All rights reserved.
//
import UIKit
import MobileCoreServices
import Account
import Social
import RSCore
import RSTree
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class ShareViewController: SLComposeServiceViewController, ShareFolderPickerControllerDelegate {
private var url: URL?
private var extensionContainers: ExtensionContainers?
private var flattenedContainers: [ExtensionContainer]!
private var selectedContainer: ExtensionContainer?
private var folderItem: SLComposeSheetConfigurationItem!
override func viewDidLoad() {
extensionContainers = ExtensionContainersFile.read()
flattenedContainers = extensionContainers?.flattened ?? [ExtensionContainer]()
if let extensionContainers = extensionContainers {
selectedContainer = ShareDefaultContainer.defaultContainer(containers: extensionContainers)
}
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title = "NetNewsWire"
placeholder = "Feed Name (Optional)"
if let button = navigationController?.navigationBar.topItem?.rightBarButtonItem {
button.title = "Add Feed"
button.isEnabled = true
}
// Hack the bottom table rows to be smaller since the controller itself doesn't have enough sense to size itself correctly
if let nav = self.children.first as? UINavigationController, let tableView = nav.children.first?.view.subviews.first as? UITableView {
tableView.rowHeight = 38
}
var provider: NSItemProvider? = nil
// Try to get any HTML that is maybe passed in
for item in self.extensionContext!.inputItems as! [NSExtensionItem] {
for itemProvider in item.attachments! {
if itemProvider.hasItemConformingToTypeIdentifier(kUTTypePropertyList as String) {
provider = itemProvider
}
}
}
if provider != nil {
provider!.loadItem(forTypeIdentifier: kUTTypePropertyList as String, options: nil, completionHandler: { [weak self] (pList, error) in
if error != nil {
return
}
guard let dataGraph = pList as? NSDictionary else {
return
}
guard let results = dataGraph["NSExtensionJavaScriptPreprocessingResultsKey"] as? NSDictionary else {
return
}
if let url = URL(string: results["url"] as! String) {
self?.url = url
}
})
return
}
// Try to get the URL if it is passed in
for item in self.extensionContext!.inputItems as! [NSExtensionItem] {
for itemProvider in item.attachments! {
if itemProvider.hasItemConformingToTypeIdentifier(kUTTypeURL as String) {
provider = itemProvider
}
}
}
if provider != nil {
provider!.loadItem(forTypeIdentifier: kUTTypeURL as String, options: nil, completionHandler: { [weak self] (urlCoded, error) in
if error != nil {
return
}
guard let url = urlCoded as? URL else {
return
}
self?.url = url
return
})
}
// Reddit in particular doesn't pass the URL correctly and instead puts it in the contentText
url = URL(string: contentText)
}
override func isContentValid() -> Bool {
return url != nil && selectedContainer != nil
}
override func didSelectPost() {
guard let url = url, let selectedContainer = selectedContainer, let containerID = selectedContainer.containerID else {
self.extensionContext!.completeRequest(returningItems: [], completionHandler: nil)
return
}
var name: String? = nil
if !contentText.mayBeURL {
name = contentText.isEmpty ? nil : contentText
}
let request = ExtensionFeedAddRequest(name: name, feedURL: url, destinationContainerID: containerID)
ExtensionFeedAddRequestFile.save(request)
self.extensionContext!.completeRequest(returningItems: [], completionHandler: nil)
}
func shareFolderPickerDidSelect(_ container: ExtensionContainer) {
ShareDefaultContainer.saveDefaultContainer(container)
self.selectedContainer = container
updateFolderItemValue()
self.popConfigurationViewController()
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}
override func configurationItems() -> [Any]! {
// To add configuration options via table cells at the bottom of the sheet, return an array of SLComposeSheetConfigurationItem here.
guard let urlItem = SLComposeSheetConfigurationItem() else { return nil }
urlItem.title = "URL"
urlItem.value = url?.absoluteString ?? ""
folderItem = SLComposeSheetConfigurationItem()
folderItem.title = "Folder"
updateFolderItemValue()
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folderItem.tapHandler = {
let folderPickerController = ShareFolderPickerController()
folderPickerController.navigationController?.title = NSLocalizedString("Folder", comment: "Folder")
folderPickerController.delegate = self
folderPickerController.containers = self.flattenedContainers
folderPickerController.selectedContainerID = self.selectedContainer?.containerID
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self.pushConfigurationViewController(folderPickerController)
}
return [folderItem!, urlItem]
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}
}
private extension ShareViewController {
func updateFolderItemValue() {
if let account = selectedContainer as? ExtensionAccount {
self.folderItem.value = account.name
} else if let folder = selectedContainer as? ExtensionFolder {
self.folderItem.value = "\(folder.accountName) / \(folder.name)"
}
}
}