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- /*****************************************************************************
- * MediaViewController.swift
- * VLC for iOS
- *****************************************************************************
- * Copyright (c) 2018 VideoLAN. All rights reserved.
- * $Id$
- *
- * Authors: Carola Nitz <caro # videolan.org>
- *
- * Refer to the COPYING file of the official project for license.
- *****************************************************************************/
- import UIKit
- class VLCMediaViewController: VLCPagingViewController<VLCLabelCell>, MediaCategoryViewControllerDelegate {
- var services: Services
- private var rendererButton: UIButton
- private lazy var sortButton: UIBarButtonItem = {
- var sortButton = UIButton(frame: CGRect(x: 0, y: 0, width: 44, height: 44))
- sortButton.setImage(UIImage(named: "sort"), for: .normal)
- // It seems that using a custom view, UIBarButtonItem have a offset of 16, therefore adding a large margin
- if UIView.userInterfaceLayoutDirection(for: sortButton.semanticContentAttribute) == .rightToLeft {
- sortButton.imageEdgeInsets = UIEdgeInsets(top: 0, left: 0, bottom: 0, right: -16)
- } else {
- sortButton.imageEdgeInsets = UIEdgeInsets(top: 0, left: -16, bottom: 0, right: 0)
- }
- sortButton.addTarget(self, action: #selector(handleSort), for: .touchUpInside)
- sortButton.tintColor = PresentationTheme.current.colors.orangeUI
- sortButton.accessibilityLabel = NSLocalizedString("BUTTON_SORT", comment: "")
- sortButton.accessibilityHint = NSLocalizedString("BUTTON_SORT_HINT", comment: "")
- sortButton.addGestureRecognizer(UILongPressGestureRecognizer(target: self,
- action: #selector(handleSortShortcut(sender:))))
- return UIBarButtonItem(customView: sortButton)
- }()
- private lazy var editButton: UIBarButtonItem = {
- var editButton = UIBarButtonItem(image: UIImage(named: "edit"),
- style: .plain, target: self,
- action: #selector(customSetEditing(button:)))
- editButton.tintColor = PresentationTheme.current.colors.orangeUI
- editButton.accessibilityLabel = NSLocalizedString("BUTTON_EDIT", comment: "")
- editButton.accessibilityHint = NSLocalizedString("BUTTON_EDIT_HINT", comment: "")
- return editButton
- }()
- private lazy var doneButton: UIBarButtonItem = {
- return UIBarButtonItem(barButtonSystemItem: .done, target: self, action: #selector(customSetEditing(button:)))
- }()
- private var rigthBarButtons: [UIBarButtonItem]?
- private var leftBarButton: UIBarButtonItem?
- init(services: Services) {
- self.services = services
- rendererButton = services.rendererDiscovererManager.setupRendererButton()
- super.init(nibName: nil, bundle: nil)
- rigthBarButtons = [editButton, UIBarButtonItem(customView: rendererButton)]
- leftBarButton = sortButton
- }
- override func viewDidLoad() {
- changeCurrentIndexProgressive = { (oldCell: VLCLabelCell?, newCell: VLCLabelCell?, progressPercentage: CGFloat, changeCurrentIndex: Bool, animated: Bool) in
- guard changeCurrentIndex == true else { return }
- oldCell?.iconLabel.textColor = PresentationTheme.current.colors.cellDetailTextColor
- newCell?.iconLabel.textColor = PresentationTheme.current.colors.orangeUI
- }
- super.viewDidLoad()
- viewControllers.forEach {
- ($0 as? VLCMediaCategoryViewController)?.delegate = self
- }
- setupNavigationBar()
- }
- private func setupNavigationBar() {
- if #available(iOS 11.0, *) {
- navigationController?.navigationBar.prefersLargeTitles = false
- }
- navigationController?.navigationBar.isTranslucent = false
- updateButtonsFor(viewControllers[currentIndex])
- }
- // MARK: - MediaCatgoryViewControllerDelegate
- func needsToUpdateNavigationbarIfNeeded(_ viewController: VLCMediaCategoryViewController) {
- if viewController == viewControllers[currentIndex] {
- updateButtonsFor(viewController)
- }
- }
- // MARK: - PagerTabStripDataSource
- override func viewControllers(for pagerTabStripController: PagerTabStripViewController) -> [UIViewController] {
- fatalError("this should only be used as subclass")
- }
- func updateButtonsFor(_ viewController: UIViewController) {
- var showButtons = false
- if let mediaCategoryViewController = viewController as? VLCMediaCategoryViewController,
- !mediaCategoryViewController.isEmptyCollectionView()
- && !mediaCategoryViewController.isSearching {
- showButtons = true
- }
- navigationItem.rightBarButtonItems = showButtons ? rigthBarButtons : nil
- navigationItem.leftBarButtonItem = showButtons ? leftBarButton : nil
- }
- override func configure(cell: VLCLabelCell, for indicatorInfo: IndicatorInfo) {
- cell.iconLabel.text = indicatorInfo.title
- }
- override func updateIndicator(for viewController: PagerTabStripViewController, fromIndex: Int, toIndex: Int, withProgressPercentage progressPercentage: CGFloat, indexWasChanged: Bool) {
- if indexWasChanged {
- updateButtonsFor(viewControllers[toIndex])
- }
- super.updateIndicator(for: viewController, fromIndex: fromIndex, toIndex: toIndex, withProgressPercentage: progressPercentage, indexWasChanged: indexWasChanged)
- }
- override var preferredStatusBarStyle: UIStatusBarStyle {
- return PresentationTheme.current.colors.statusBarStyle
- }
- }
- // MARK: - Edit
- extension VLCMediaViewController {
- @objc private func customSetEditing(button: UIButton) {
- isEditing = !isEditing
- rigthBarButtons = isEditing ? [doneButton] : [editButton, UIBarButtonItem(customView: rendererButton)]
- leftBarButton = isEditing ? nil : sortButton
- }
- override func setEditing(_ editing: Bool, animated: Bool) {
- super.setEditing(editing, animated: animated)
- scrollingEnabled(!editing)
- viewControllers[currentIndex].setEditing(editing, animated: animated)
- }
- }
- // MARK: - Sort
- extension VLCMediaViewController {
- @objc func handleSort() {
- if let mediaCategoryViewController = viewControllers[currentIndex] as? VLCMediaCategoryViewController {
- mediaCategoryViewController.handleSort()
- }
- }
- @objc func handleSortShortcut(sender: UILongPressGestureRecognizer) {
- if sender.state == .began {
- if #available(iOS 10.0, *) {
- UIImpactFeedbackGenerator(style: .light).impactOccurred()
- }
- if let mediaCategoryViewController = viewControllers[currentIndex] as? VLCMediaCategoryViewController {
- mediaCategoryViewController.handleSortShortcut()
- }
- }
- }
- }
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