MediaViewController.swift 6.8 KB

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  1. /*****************************************************************************
  2. * MediaViewController.swift
  3. * VLC for iOS
  4. *****************************************************************************
  5. * Copyright (c) 2018 VideoLAN. All rights reserved.
  6. * $Id$
  7. *
  8. * Authors: Carola Nitz <caro # videolan.org>
  9. *
  10. * Refer to the COPYING file of the official project for license.
  11. *****************************************************************************/
  12. import UIKit
  13. class VLCMediaViewController: VLCPagingViewController<VLCLabelCell>, MediaCategoryViewControllerDelegate {
  14. var services: Services
  15. private var rendererButton: UIButton
  16. private lazy var sortButton: UIBarButtonItem = {
  17. var sortButton = UIButton(frame: CGRect(x: 0, y: 0, width: 44, height: 44))
  18. sortButton.setImage(UIImage(named: "sort"), for: .normal)
  19. // It seems that using a custom view, UIBarButtonItem have a offset of 16, therefore adding a large margin
  20. if UIView.userInterfaceLayoutDirection(for: sortButton.semanticContentAttribute) == .rightToLeft {
  21. sortButton.imageEdgeInsets = UIEdgeInsets(top: 0, left: 0, bottom: 0, right: -16)
  22. } else {
  23. sortButton.imageEdgeInsets = UIEdgeInsets(top: 0, left: -16, bottom: 0, right: 0)
  24. }
  25. sortButton.addTarget(self, action: #selector(handleSort), for: .touchUpInside)
  26. sortButton.tintColor = PresentationTheme.current.colors.orangeUI
  27. sortButton.accessibilityLabel = NSLocalizedString("BUTTON_SORT", comment: "")
  28. sortButton.accessibilityHint = NSLocalizedString("BUTTON_SORT_HINT", comment: "")
  29. sortButton.addGestureRecognizer(UILongPressGestureRecognizer(target: self,
  30. action: #selector(handleSortShortcut(sender:))))
  31. return UIBarButtonItem(customView: sortButton)
  32. }()
  33. private lazy var editButton: UIBarButtonItem = {
  34. var editButton = UIBarButtonItem(image: UIImage(named: "edit"),
  35. style: .plain, target: self,
  36. action: #selector(customSetEditing(button:)))
  37. editButton.tintColor = PresentationTheme.current.colors.orangeUI
  38. editButton.accessibilityLabel = NSLocalizedString("BUTTON_EDIT", comment: "")
  39. editButton.accessibilityHint = NSLocalizedString("BUTTON_EDIT_HINT", comment: "")
  40. return editButton
  41. }()
  42. private lazy var doneButton: UIBarButtonItem = {
  43. return UIBarButtonItem(barButtonSystemItem: .done, target: self, action: #selector(customSetEditing(button:)))
  44. }()
  45. private var rigthBarButtons: [UIBarButtonItem]?
  46. private var leftBarButton: UIBarButtonItem?
  47. init(services: Services) {
  48. self.services = services
  49. rendererButton = services.rendererDiscovererManager.setupRendererButton()
  50. super.init(nibName: nil, bundle: nil)
  51. rigthBarButtons = [editButton, UIBarButtonItem(customView: rendererButton)]
  52. leftBarButton = sortButton
  53. }
  54. override func viewDidLoad() {
  55. changeCurrentIndexProgressive = { (oldCell: VLCLabelCell?, newCell: VLCLabelCell?, progressPercentage: CGFloat, changeCurrentIndex: Bool, animated: Bool) in
  56. guard changeCurrentIndex == true else { return }
  57. oldCell?.iconLabel.textColor = PresentationTheme.current.colors.cellDetailTextColor
  58. newCell?.iconLabel.textColor = PresentationTheme.current.colors.orangeUI
  59. }
  60. super.viewDidLoad()
  61. viewControllers.forEach {
  62. ($0 as? VLCMediaCategoryViewController)?.delegate = self
  63. }
  64. setupNavigationBar()
  65. }
  66. private func setupNavigationBar() {
  67. if #available(iOS 11.0, *) {
  68. navigationController?.navigationBar.prefersLargeTitles = false
  69. }
  70. navigationController?.navigationBar.isTranslucent = false
  71. updateButtonsFor(viewControllers[currentIndex])
  72. }
  73. // MARK: - MediaCatgoryViewControllerDelegate
  74. func needsToUpdateNavigationbarIfNeeded(_ viewController: VLCMediaCategoryViewController) {
  75. if viewController == viewControllers[currentIndex] {
  76. updateButtonsFor(viewController)
  77. }
  78. }
  79. // MARK: - PagerTabStripDataSource
  80. override func viewControllers(for pagerTabStripController: PagerTabStripViewController) -> [UIViewController] {
  81. fatalError("this should only be used as subclass")
  82. }
  83. func updateButtonsFor(_ viewController: UIViewController) {
  84. var showButtons = false
  85. if let mediaCategoryViewController = viewController as? VLCMediaCategoryViewController,
  86. !mediaCategoryViewController.isEmptyCollectionView()
  87. && !mediaCategoryViewController.isSearching {
  88. showButtons = true
  89. }
  90. navigationItem.rightBarButtonItems = showButtons ? rigthBarButtons : nil
  91. navigationItem.leftBarButtonItem = showButtons ? leftBarButton : nil
  92. }
  93. override func configure(cell: VLCLabelCell, for indicatorInfo: IndicatorInfo) {
  94. cell.iconLabel.text = indicatorInfo.title
  95. }
  96. override func updateIndicator(for viewController: PagerTabStripViewController, fromIndex: Int, toIndex: Int, withProgressPercentage progressPercentage: CGFloat, indexWasChanged: Bool) {
  97. if indexWasChanged {
  98. updateButtonsFor(viewControllers[toIndex])
  99. }
  100. super.updateIndicator(for: viewController, fromIndex: fromIndex, toIndex: toIndex, withProgressPercentage: progressPercentage, indexWasChanged: indexWasChanged)
  101. }
  102. override var preferredStatusBarStyle: UIStatusBarStyle {
  103. return PresentationTheme.current.colors.statusBarStyle
  104. }
  105. }
  106. // MARK: - Edit
  107. extension VLCMediaViewController {
  108. @objc private func customSetEditing(button: UIButton) {
  109. isEditing = !isEditing
  110. rigthBarButtons = isEditing ? [doneButton] : [editButton, UIBarButtonItem(customView: rendererButton)]
  111. leftBarButton = isEditing ? nil : sortButton
  112. }
  113. override func setEditing(_ editing: Bool, animated: Bool) {
  114. super.setEditing(editing, animated: animated)
  115. scrollingEnabled(!editing)
  116. viewControllers[currentIndex].setEditing(editing, animated: animated)
  117. }
  118. }
  119. // MARK: - Sort
  120. extension VLCMediaViewController {
  121. @objc func handleSort() {
  122. if let mediaCategoryViewController = viewControllers[currentIndex] as? VLCMediaCategoryViewController {
  123. mediaCategoryViewController.handleSort()
  124. }
  125. }
  126. @objc func handleSortShortcut(sender: UILongPressGestureRecognizer) {
  127. if sender.state == .began {
  128. if #available(iOS 10.0, *) {
  129. UIImpactFeedbackGenerator(style: .light).impactOccurred()
  130. }
  131. if let mediaCategoryViewController = viewControllers[currentIndex] as? VLCMediaCategoryViewController {
  132. mediaCategoryViewController.handleSortShortcut()
  133. }
  134. }
  135. }
  136. }