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Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add QuickLook fallback for showing unknown attachments in the gallery 

Closes #169
This commit is contained in:
Shadowfacts 2023-05-16 11:25:28 -04:00
parent 7f64654800
commit f6831ec02b
3 changed files with 76 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
Tusker.xcodeproj/project.pbxproj
View File

@ -304,6 +304,7 @@
D6D79F532A0FFE3200AB2315 /* ToggleableButton.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D79F522A0FFE3200AB2315 /* ToggleableButton.swift */; };
D6D79F572A1160B800AB2315 /* AccountDisplayNameLabel.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D79F562A1160B800AB2315 /* AccountDisplayNameLabel.swift */; };
D6D79F592A13293200AB2315 /* BackgroundManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D79F582A13293200AB2315 /* BackgroundManager.swift */; };
D6D79F5B2A13D22B00AB2315 /* GalleryFallbackViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D79F5A2A13D22B00AB2315 /* GalleryFallbackViewController.swift */; };
D6D94955298963A900C59229 /* Colors.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D94954298963A900C59229 /* Colors.swift */; };
D6D9498D298CBB4000C59229 /* TrendingStatusCollectionViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D9498C298CBB4000C59229 /* TrendingStatusCollectionViewCell.swift */; };
D6D9498F298EB79400C59229 /* CopyableLable.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6D9498E298EB79400C59229 /* CopyableLable.swift */; };
@ -706,6 +707,7 @@
D6D79F522A0FFE3200AB2315 /* ToggleableButton.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ToggleableButton.swift; sourceTree = "<group>"; };
D6D79F562A1160B800AB2315 /* AccountDisplayNameLabel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AccountDisplayNameLabel.swift; sourceTree = "<group>"; };
D6D79F582A13293200AB2315 /* BackgroundManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BackgroundManager.swift; sourceTree = "<group>"; };
D6D79F5A2A13D22B00AB2315 /* GalleryFallbackViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = GalleryFallbackViewController.swift; sourceTree = "<group>"; };
D6D94954298963A900C59229 /* Colors.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Colors.swift; sourceTree = "<group>"; };
D6D9498C298CBB4000C59229 /* TrendingStatusCollectionViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TrendingStatusCollectionViewCell.swift; sourceTree = "<group>"; };
D6D9498E298EB79400C59229 /* CopyableLable.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CopyableLable.swift; sourceTree = "<group>"; };
@ -1092,6 +1094,7 @@
D6C94D862139E62700CB5196 /* LargeImageViewController.swift */,
D681A299249AD62D0085E54E /* LargeImageContentView.swift */,
041160FE22B442870030A9B7 /* LoadingLargeImageViewController.swift */,
D6D79F5A2A13D22B00AB2315 /* GalleryFallbackViewController.swift */,
);
path = "Large Image";
sourceTree = "<group>";
@ -2148,6 +2151,7 @@
D6E77D0B286D426E00D8B732 /* TrendingLinkCardCollectionViewCell.swift in Sources */,
D6114E1127F899B30080E273 /* TrendingLinksViewController.swift in Sources */,
D65B4B58297203A700DABDFB /* ReportSelectRulesView.swift in Sources */,
D6D79F5B2A13D22B00AB2315 /* GalleryFallbackViewController.swift in Sources */,
D6C3F4FB299035650009FCFF /* TrendsViewController.swift in Sources */,
D6B81F442560390300F6E31D /* MenuController.swift in Sources */,
D691771129A2B76A0054D7EF /* MainActor+Unsafe.swift in Sources */,

2
Tusker/Screens/Attachment Gallery/GalleryViewController.swift
View File

@ -109,7 +109,7 @@ class GalleryViewController: UIPageViewController, UIPageViewControllerDataSourc
vc.shrinkGestureEnabled = false
return vc
default:
fatalError()
return UINavigationController(rootViewController: GalleryFallbackViewController(attachment: attachment))
}
}

71
Tusker/Screens/Large Image/GalleryFallbackViewController.swift Normal file
View File

@ -0,0 +1,71 @@
//
// GalleryFallbackViewController.swift
// Tusker
//
// Created by Shadowfacts on 5/16/23.
// Copyright © 2023 Shadowfacts. All rights reserved.
//
import UIKit
import QuickLook
import Pachyderm
class GalleryFallbackViewController: QLPreviewController {
private let attachment: Attachment
private let previewItem: GalleryPreviewItem
private var loadAttachmentTask: Task<Void, Never>?
deinit {
loadAttachmentTask?.cancel()
}
init(attachment: Attachment) {
self.attachment = attachment
self.previewItem = GalleryPreviewItem()
super.init(nibName: nil, bundle: nil)
dataSource = self
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
if previewItem.previewItemURL == nil,
loadAttachmentTask == nil {
loadAttachmentTask = Task {
do {
let (data, _) = try await URLSession.shared.data(from: attachment.url)
let url = FileManager.default.temporaryDirectory.appendingPathComponent(attachment.url.lastPathComponent)
try data.write(to: url)
try Task.checkCancellation()
previewItem.previewItemURL = url
refreshCurrentPreviewItem()
} catch {
return
}
}
}
}
}
extension GalleryFallbackViewController: QLPreviewControllerDataSource {
func numberOfPreviewItems(in controller: QLPreviewController) -> Int {
return 1
}
func previewController(_ controller: QLPreviewController, previewItemAt index: Int) -> QLPreviewItem {
return previewItem
}
}
private class GalleryPreviewItem: NSObject, QLPreviewItem {
var previewItemURL: URL? = nil
}