//
// NCViewerRichdocument.swift
// Nextcloud
//
// Created by Marino Faggiana on 06/09/18.
// Copyright © 2018 Marino Faggiana. All rights reserved.
//
// Author Marino Faggiana <marino.faggiana@nextcloud.com>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
import Foundation
class NCViewerRichdocument: WKWebView, WKNavigationDelegate, WKScriptMessageHandler, NCSelectDelegate {
let appDelegate = UIApplication.shared.delegate as! AppDelegate
var detail: CCDetail!
@objc var metadata: tableMetadata!
var documentInteractionController: UIDocumentInteractionController!
override init(frame: CGRect, configuration: WKWebViewConfiguration) {
super.init(frame: frame, configuration: configuration)
let contentController = configuration.userContentController
contentController.add(self, name: "RichDocumentsMobileInterface")
autoresizingMask = [.flexibleWidth, .flexibleHeight]
navigationDelegate = self
}
required init?(coder: NSCoder) {
super.init(coder: coder)
}
@objc func viewRichDocumentAt(_ link: String, detail: CCDetail, metadata: tableMetadata) {
self.detail = detail
self.metadata = metadata
NotificationCenter.default.addObserver(self, selector: #selector(keyboardDidShow), name: UIResponder.keyboardDidShowNotification, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillHide), name: UIResponder.keyboardWillHideNotification, object: nil)
if (UIDevice.current.userInterfaceIdiom == .phone) {
detail.navigationController?.setNavigationBarHidden(true, animated: false)
}
var request = URLRequest(url: URL(string: link)!)
request.addValue("true", forHTTPHeaderField: "OCS-APIRequest")
let language = NSLocale.preferredLanguages[0] as String
request.addValue(language, forHTTPHeaderField: "Accept-Language")
let userAgent : String = CCUtility.getUserAgent()
customUserAgent = userAgent
load(request)
}
@objc func keyboardDidShow(notification: Notification) {
guard let info = notification.userInfo else { return }
guard let frameInfo = info[UIResponder.keyboardFrameEndUserInfoKey] as? NSValue else { return }
let keyboardFrame = frameInfo.cgRectValue
//print("keyboardFrame: \(keyboardFrame)")
frame.size.height = detail.view.bounds.height - keyboardFrame.size.height
}
@objc func keyboardWillHide(notification: Notification) {
frame = detail.view.bounds
}
//MARK: -
public func userContentController(_ userContentController: WKUserContentController, didReceive message: WKScriptMessage) {
if (message.name == "RichDocumentsMobileInterface") {
if message.body as? String == "close" {
removeFromSuperview()
detail.navigationController?.popViewController(animated: true)
detail.navigationController?.navigationBar.topItem?.title = ""
}
if message.body as? String == "insertGraphic" {
let storyboard = UIStoryboard(name: "NCSelect", bundle: nil)
let navigationController = storyboard.instantiateInitialViewController() as! UINavigationController
let viewController = navigationController.topViewController as! NCSelect
viewController.delegate = self
viewController.hideButtonCreateFolder = true
viewController.selectFile = true
viewController.includeDirectoryE2EEncryption = false
viewController.includeImages = true
viewController.type = ""
viewController.layoutViewSelect = k_layout_view_richdocument
navigationController.modalPresentationStyle = UIModalPresentationStyle.formSheet
self.detail.present(navigationController, animated: true, completion: nil)
}
if message.body as? String == "share" {
appDelegate.activeMain.openShare(with: metadata, indexPage: 2)
}
if let param = message.body as? Dictionary<AnyHashable,Any> {
if param["MessageName"] as? String == "downloadAs" {
if let values = param["Values"] as? Dictionary<AnyHashable,Any> {
guard let urlString = values["URL"] as? String else {
return
}
guard let url = URL(string: urlString) else {
return
}
guard let components = URLComponents(url: url, resolvingAgainstBaseURL: false) else {
return
}
let filename = (components.path as NSString).lastPathComponent
let fileNameLocalPath = CCUtility.getDirectoryUserData() + "/" + filename
_ = OCNetworking.sharedManager()?.download(withAccount: metadata.account, url: urlString, fileNameLocalPath: fileNameLocalPath, encode:false, completion: { (account, message, errorCode) in
if errorCode == 0 && account == self.metadata.account {
self.documentInteractionController = UIDocumentInteractionController()
self.documentInteractionController.url = URL(fileURLWithPath: fileNameLocalPath)
self.documentInteractionController.presentOptionsMenu(from: self.appDelegate.window.rootViewController!.view.bounds, in: self.appDelegate.window.rootViewController!.view, animated: true)
} else {
self.appDelegate.messageNotification("_error_", description: message, visible: true, delay: TimeInterval(k_dismissAfterSecond), type: TWMessageBarMessageType.error, errorCode: errorCode)
}
})
}
} else if param["MessageName"] as? String == "fileRename" {
if let values = param["Values"] as? Dictionary<AnyHashable,Any> {
guard let newName = values["NewName"] as? String else {
return
}
metadata.fileName = newName
metadata.fileNameView = newName
}
}
}
if message.body as? String == "documentLoaded" {
print("documentLoaded")
}
if message.body as? String == "paste" {
self.paste(self)
}
}
}
//MARK: -
@objc func grabFocus() {
let functionJS = "OCA.RichDocuments.documentsMain.postGrabFocus()"
evaluateJavaScript(functionJS) { (result, error) in }
}
//MARK: -
func dismissSelect(serverUrl: String?, metadata: tableMetadata?, type: String) {
if serverUrl != nil && metadata != nil {
OCNetworking.sharedManager().createAssetRichdocuments(withAccount: metadata?.account, fileName: metadata?.fileName, serverUrl: serverUrl, completion: { (account, url, message, errorCode) in
if errorCode == 0 && account == self.appDelegate.activeAccount {
let functionJS = "OCA.RichDocuments.documentsMain.postAsset('\(metadata!.fileNameView)', '\(url!)')"
self.evaluateJavaScript(functionJS, completionHandler: { (result, error) in })
} else if errorCode != 0 {
self.appDelegate.messageNotification("_error_", description: message, visible: true, delay: TimeInterval(k_dismissAfterSecond), type: TWMessageBarMessageType.error, errorCode: Int(k_CCErrorInternalError))
} else {
print("[LOG] It has been changed user during networking process, error.")
}
})
}
}
func select(_ metadata: tableMetadata!, serverUrl: String!) {
OCNetworking.sharedManager().createAssetRichdocuments(withAccount: metadata?.account, fileName: metadata?.fileName, serverUrl: serverUrl, completion: { (account, url, message, errorCode) in
if errorCode == 0 && account == self.appDelegate.activeAccount {
let functionJS = "OCA.RichDocuments.documentsMain.postAsset('\(metadata.fileNameView)', '\(url!)')"
self.evaluateJavaScript(functionJS, completionHandler: { (result, error) in })
} else if errorCode != 0 {
self.appDelegate.messageNotification("_error_", description: message, visible: true, delay: TimeInterval(k_dismissAfterSecond), type: TWMessageBarMessageType.error, errorCode: Int(k_CCErrorInternalError))
} else {
print("[LOG] It has been changed user during networking process, error.")
}
})
}
//MARK: -
public func webView(_ webView: WKWebView, didReceive challenge: URLAuthenticationChallenge, completionHandler: @escaping (URLSession.AuthChallengeDisposition, URLCredential?) -> Void) {
if let serverTrust = challenge.protectionSpace.serverTrust {
completionHandler(Foundation.URLSession.AuthChallengeDisposition.useCredential, URLCredential(trust: serverTrust))
} else {
completionHandler(URLSession.AuthChallengeDisposition.useCredential, nil);
}
}
public func webView(_ webView: WKWebView, didStartProvisionalNavigation navigation: WKNavigation!) {
print("didStartProvisionalNavigation");
}
public func webView(_ webView: WKWebView, didReceiveServerRedirectForProvisionalNavigation navigation: WKNavigation!) {
print("didReceiveServerRedirectForProvisionalNavigation");
}
public func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
NCUtility.sharedInstance.stopActivityIndicator()
}
}