NCViewerPDF.swift 3.0 KB

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  1. //
  2. // NCViewerPDF.swift
  3. // Nextcloud
  4. //
  5. // Created by Marino Faggiana on 06/02/2020.
  6. // Copyright © 2020 Marino Faggiana. All rights reserved.
  7. //
  8. // Author Marino Faggiana <marino.faggiana@nextcloud.com>
  9. //
  10. // This program is free software: you can redistribute it and/or modify
  11. // it under the terms of the GNU General Public License as published by
  12. // the Free Software Foundation, either version 3 of the License, or
  13. // (at your option) any later version.
  14. //
  15. // This program is distributed in the hope that it will be useful,
  16. // but WITHOUT ANY WARRANTY; without even the implied warranty of
  17. // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18. // GNU General Public License for more details.
  19. //
  20. // You should have received a copy of the GNU General Public License
  21. // along with this program. If not, see <http://www.gnu.org/licenses/>.
  22. //
  23. import Foundation
  24. import PDFKit
  25. @available(iOS 11, *)
  26. @objc class NCViewerPDF: PDFView {
  27. private var thumbnailViewHeight: CGFloat = 48
  28. required init?(coder: NSCoder) {
  29. super.init(coder: coder)
  30. }
  31. override init(frame: CGRect) {
  32. super.init(frame: CGRect(x: 0, y: 0, width: frame.width, height: frame.height - thumbnailViewHeight))
  33. NotificationCenter.default.addObserver(self, selector: #selector(self.changeTheming), name: NSNotification.Name(rawValue: k_notificationCenter_changeTheming), object: nil)
  34. }
  35. @objc func changeTheming() {
  36. backgroundColor = NCBrandColor.sharedInstance.backgroundView
  37. }
  38. @objc func setupPdfView(filePath: URL, view: UIView) {
  39. guard let pdfDocument = PDFDocument(url: filePath) else {return}
  40. document = pdfDocument
  41. backgroundColor = NCBrandColor.sharedInstance.backgroundView
  42. displayMode = .singlePageContinuous
  43. autoScales = true
  44. displayDirection = .horizontal
  45. autoresizingMask = [.flexibleWidth, .flexibleHeight, .flexibleTopMargin, .flexibleBottomMargin]
  46. usePageViewController(true, withViewOptions: nil)
  47. view.addSubview(self)
  48. let pdfThumbnailView = PDFThumbnailView()
  49. pdfThumbnailView.translatesAutoresizingMaskIntoConstraints = false
  50. pdfThumbnailView.pdfView = self
  51. pdfThumbnailView.layoutMode = .horizontal
  52. pdfThumbnailView.thumbnailSize = CGSize(width: 40, height: thumbnailViewHeight - 2)
  53. //pdfThumbnailView.layer.shadowOffset.height = -5
  54. //pdfThumbnailView.layer.shadowOpacity = 0.25
  55. view.addSubview(pdfThumbnailView)
  56. pdfThumbnailView.heightAnchor.constraint(equalToConstant: thumbnailViewHeight).isActive = true
  57. pdfThumbnailView.leadingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.leadingAnchor).isActive = true
  58. pdfThumbnailView.trailingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.trailingAnchor).isActive = true
  59. pdfThumbnailView.bottomAnchor.constraint(equalTo: view.safeAreaLayoutGuide.bottomAnchor).isActive = true
  60. }
  61. }