Repo created

iphone/Maps/UI/Downloader/DownloadAllView/DownloadAllView.swift

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+import UIKit
+
+protocol DownloadAllViewDelegate: AnyObject {
+  func onDownloadButtonPressed()
+  func onRetryButtonPressed()
+  func onCancelButtonPressed()
+  func onStateChanged(state: DownloadAllView.State)
+}
+
+class DownloadAllView: UIView {
+  enum State {
+    case none
+    case ready
+    case error
+    case dowloading
+  }
+  enum Style {
+    case download
+    case update
+  }
+
+  @IBOutlet private var iconImageView: UIImageView!
+  @IBOutlet private var title: UILabel!
+  @IBOutlet private var downloadSizeLabel: UILabel!
+  @IBOutlet private var stateWrapper: UIView!
+  @IBOutlet private var downloadButton: UIButton!
+  @IBOutlet private var titleCenterConstraint: NSLayoutConstraint!
+  lazy private var progress: MWMCircularProgress = {
+    let view = MWMCircularProgress.downloaderProgress(forParentView: stateWrapper)
+    view.delegate = self
+    return view
+  }()
+
+  var isSizeHidden: Bool = false {
+    didSet {
+      if oldValue != isSizeHidden {
+        updateView()
+      }
+    }
+  }
+  var style: Style = .download {
+    didSet {
+      if oldValue != style {
+        updateView()
+      }
+    }
+  }
+  var state: State = .ready {
+    didSet {
+      if oldValue != state {
+        updateView()
+        delegate?.onStateChanged(state: state)
+      }
+    }
+  }
+  var downloadSize: UInt64 = 0 {
+    didSet {
+      downloadSizeLabel.text = formattedSize(downloadSize)
+    }
+  }
+  var downloadProgress: CGFloat = 0 {
+    didSet {
+      self.progress.progress = downloadProgress
+    }
+  }
+  weak var delegate: DownloadAllViewDelegate?
+
+  @IBAction func onDownloadButtonPress(_ sender: Any) {
+    if state == .error {
+      delegate?.onRetryButtonPressed()
+    } else {
+      delegate?.onDownloadButtonPressed()
+    }
+  }
+
+  private func updateView() {
+    let readyTitle: String
+    let downloadingTitle: String
+    let readyButtonTitle: String
+    let errorTitle = L("country_status_download_failed")
+    let errorButtonTitle = L("downloader_retry")
+
+    switch style {
+    case .download:
+      iconImageView.image = UIImage(named: "ic_download_all")
+      readyTitle = L("downloader_download_all_button")
+      downloadingTitle = L("downloader_loading_ios")
+      readyButtonTitle = L("download_button")
+    case .update:
+      iconImageView.image = UIImage(named: "ic_update_all")
+      readyTitle = L("downloader_update_maps")
+      downloadingTitle = L("downloader_updating_ios")
+      readyButtonTitle = L("downloader_update_all_button")
+    }
+
+    titleCenterConstraint.priority = isSizeHidden ? .defaultHigh : .defaultLow
+    downloadSizeLabel.isHidden = isSizeHidden
+
+    switch state {
+    case .error:
+      iconImageView.image = UIImage(named: "ic_download_error")
+      title.text = errorTitle
+      title.setFontStyleAndApply(.red)
+      downloadButton.setTitle(errorButtonTitle, for: .normal)
+      downloadButton.isHidden = false
+      stateWrapper.isHidden = true
+      progress.state = .spinner
+      downloadSizeLabel.isHidden = false
+    case .ready:
+      title.text = readyTitle
+      title.setFontStyleAndApply(.blackPrimary)
+      downloadButton.setTitle(readyButtonTitle, for: .normal)
+      downloadButton.isHidden = false
+      stateWrapper.isHidden = true
+      progress.state = .spinner
+      downloadSizeLabel.isHidden = false
+    case .dowloading:
+      title.text = downloadingTitle
+      title.setFontStyleAndApply(.blackPrimary)
+      downloadButton.isHidden = true
+      stateWrapper.isHidden = false
+      progress.state = .spinner
+    case .none:
+      self.downloadButton.isHidden = true
+      self.stateWrapper.isHidden = true
+    }
+  }
+}
+
+extension DownloadAllView: MWMCircularProgressProtocol {
+  func progressButtonPressed(_ progress: MWMCircularProgress) {
+    delegate?.onCancelButtonPressed()
+  }
+}