41 lines
1.4 KiB
Swift
41 lines
1.4 KiB
Swift
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See LICENSE.txt for license information.
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import Foundation
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import WebKit
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class DownloadHandler: NSObject, WKDownloadDelegate {
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func download(_ download: WKDownload, decideDestinationUsing response: URLResponse, suggestedFilename: String, completionHandler: @escaping (URL?) -> Void) {
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DispatchQueue.main.async {
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// Let user select location of file
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let savePanel = NSSavePanel()
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savePanel.canCreateDirectories = true
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savePanel.nameFieldStringValue = suggestedFilename
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// BUGBUG: Specifying the allowedFileTypes causes Catalina to hang / error out
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//savePanel.allowedFileTypes = [".boardsarchive"]
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savePanel.begin { (result) in
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if result.rawValue == NSApplication.ModalResponse.OK.rawValue,
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let fileUrl = savePanel.url {
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if (FileManager.default.fileExists(atPath: fileUrl.path)) {
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// HACKHACK: WKWebView doesn't appear to overwrite files, so delete exsiting files first
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do {
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try FileManager.default.removeItem(at: fileUrl)
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} catch {
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let alert = NSAlert()
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alert.messageText = "Unable to replace \(fileUrl.path)"
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alert.addButton(withTitle: "OK")
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alert.alertStyle = .warning
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alert.runModal()
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}
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}
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completionHandler(fileUrl)
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}
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}
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}
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}
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func downloadDidFinish(_ download: WKDownload) {
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NSLog("downloadDidFinish")
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}
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}
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