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- //
- // NCViewerPDF.swift
- // Nextcloud
- //
- // Created by Marino Faggiana on 06/02/2020.
- // Copyright © 2020 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
- import PDFKit
- @available(iOS 11, *)
- @objc class NCViewerPDF: PDFView {
-
- private var thumbnailViewHeight: CGFloat = 48
- required init?(coder: NSCoder) {
- super.init(coder: coder)
- }
-
- override init(frame: CGRect) {
- super.init(frame: CGRect(x: 0, y: 0, width: frame.width, height: frame.height - thumbnailViewHeight))
- NotificationCenter.default.addObserver(self, selector: #selector(self.changeTheming), name: NSNotification.Name(rawValue: "changeTheming"), object: nil)
- }
-
- @objc func changeTheming() {
- backgroundColor = NCBrandColor.sharedInstance.backgroundView
- }
-
- @objc func setupPdfView(filePath: URL, view: UIView) {
-
- guard let pdfDocument = PDFDocument(url: filePath) else {return}
-
- document = pdfDocument
- backgroundColor = NCBrandColor.sharedInstance.backgroundView
- displayMode = .singlePageContinuous
- autoScales = true
- displayDirection = .horizontal
- autoresizingMask = [.flexibleWidth, .flexibleHeight, .flexibleTopMargin, .flexibleBottomMargin]
- usePageViewController(true, withViewOptions: nil)
-
- view.addSubview(self)
-
- let pdfThumbnailView = PDFThumbnailView()
- pdfThumbnailView.translatesAutoresizingMaskIntoConstraints = false
- pdfThumbnailView.pdfView = self
- pdfThumbnailView.layoutMode = .horizontal
- pdfThumbnailView.thumbnailSize = CGSize(width: 40, height: thumbnailViewHeight - 2)
- //pdfThumbnailView.layer.shadowOffset.height = -5
- //pdfThumbnailView.layer.shadowOpacity = 0.25
-
- view.addSubview(pdfThumbnailView)
-
- pdfThumbnailView.heightAnchor.constraint(equalToConstant: thumbnailViewHeight).isActive = true
- pdfThumbnailView.leadingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.leadingAnchor).isActive = true
- pdfThumbnailView.trailingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.trailingAnchor).isActive = true
- pdfThumbnailView.bottomAnchor.constraint(equalTo: view.safeAreaLayoutGuide.bottomAnchor).isActive = true
- }
- }
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