feat: add None option in the caption list to deselect caption language

Source/CutomePlayer/OEXVideoPlayerSettings.swift

@@ -9,6 +9,7 @@
 import Foundation
 
 private let cellId = "CustomCell"
+let captionLanguageNone = "none"
 
 public typealias RowType = (title: String, value: Any)
 public struct OEXVideoPlayerSetting {
@@ -66,20 +67,23 @@ class VideoPlayerSettings : NSObject {
                         rows.append(item)
                     }
                 }
+
+                if !rows.isEmpty {
+                    rows.append(RowType(title: Strings.none, value: captionLanguageNone))
+                }
 
                 let cc = OEXVideoPlayerSetting(title: Strings.videoSettingClosedCaptions, rows: rows, isSelected: { (row) -> Bool in
                     var selected = false
-                    if let selectedLanguage:String = OEXInterface.getCCSelectedLanguage() {
-                        let lang = rows[row].value as! String
-                        selected = selectedLanguage == lang
+
+                    var selectedLanguage = OEXInterface.getCCSelectedLanguage() ?? captionLanguageNone
+                    if selectedLanguage.isEmpty {
+                        selectedLanguage = captionLanguageNone
                     }
+                    let lang = rows[row].value as? String ?? captionLanguageNone
+                    selected = selectedLanguage == lang
                     return selected
                 }) {[weak self] value in
-                    var language : String = value as! String
-                    if language == OEXInterface.getCCSelectedLanguage() && language != "" {
-                        language = ""
-                    }
-                    self?.delegate?.setCaption(language: language)
+                    self?.delegate?.setCaption(language: value as? String ?? "")
                 }
                 return [cc, speeds]
             } else {

Source/CutomePlayer/TranscriptManager.swift

@@ -34,7 +34,17 @@ class TranscriptManager: NSObject {
 
     private var captionURL: String {
         var url: String = ""
-        if let ccSelectedLanguage = OEXInterface.getCCSelectedLanguage(), let transcriptURL = video.summary?.transcripts?[ccSelectedLanguage] as? String, !ccSelectedLanguage.isEmpty, !transcriptURL.isEmpty{
+        let devicelangue = Locale.current.languageCode ?? ""
+
+        if let ccSelectedLanguage = OEXInterface.getCCSelectedLanguage(), let transcriptURL = video.summary?.transcripts?[ccSelectedLanguage] as? String, !ccSelectedLanguage.isEmpty, !transcriptURL.isEmpty, ccSelectedLanguage != captionLanguageNone {
+            url = transcriptURL
+        }
+        else if let transcriptURL = video.summary?.transcripts?[devicelangue] as? String,!devicelangue.isEmpty, !transcriptURL.isEmpty {
+            // if no language is selected, give preference to device language
+            url = transcriptURL
+        }
+        else if let transcriptURL = video.summary?.transcripts?["en"] as? String, !transcriptURL.isEmpty {
+            // if no language is selected, and transcripts are not available for device langue, look for english
             url = transcriptURL
         }
         else if let transcriptURL = video.summary?.transcripts?.values.first as? String  {

Source/CutomePlayer/VideoPlayer.swift

@@ -269,7 +269,7 @@ class VideoPlayer: UIViewController,VideoPlayerControlsDelegate,TranscriptManage
             transcriptManager = TranscriptManager(environment: environment, video: video)
             transcriptManager?.delegate = self
 
-            if let ccSelectedLanguage = OEXInterface.getCCSelectedLanguage(), let transcriptURL = video.summary?.transcripts?[ccSelectedLanguage] as? String, !ccSelectedLanguage.isEmpty, !transcriptURL.isEmpty {
+            if let ccSelectedLanguage = OEXInterface.getCCSelectedLanguage(), let transcriptURL = video.summary?.transcripts?[ccSelectedLanguage] as? String, !ccSelectedLanguage.isEmpty, !transcriptURL.isEmpty, ccSelectedLanguage != captionLanguageNone {
                 controls?.activateSubTitles()
             }
         }
@@ -660,9 +660,14 @@ class VideoPlayer: UIViewController,VideoPlayerControlsDelegate,TranscriptManage
     }
 
     func captionUpdate(playerControls: VideoPlayerControls, language: String) {
+        let alreadySelectedLanguage = OEXInterface.getCCSelectedLanguage() ?? ""
         OEXInterface.setCCSelectedLanguage(language)
-        if language.isEmpty {
+
+        if alreadySelectedLanguage == language { return }
+
+        if language == captionLanguageNone {
             playerControls.deAvtivateSubTitles()
+            transcriptManager?.loadTranscripts()
         }
         else {
             transcriptManager?.loadTranscripts()

Source/ar.lproj/Localizable-2.strings

@@ -43,3 +43,5 @@
 "MY_COURSES"="My courses";
 /*Title My programs*/
 "MY_PROGRAMS"="My programs";
+/* None option in the caption list to de select caption language*/
+"NONE"="None";

Source/de.lproj/Localizable-2.strings

@@ -43,3 +43,5 @@
 "MY_COURSES"="My courses";
 /*Title My programs*/
 "MY_PROGRAMS"="My programs";
+/* None option in the caption list to de select caption language*/
+"NONE"="None";

Source/en.lproj/Localizable-2.strings

@@ -43,3 +43,5 @@
 "MY_COURSES"="My courses";
 /*Title My programs*/
 "MY_PROGRAMS"="My programs";
+/* None option in the caption list to de select caption language*/
+"NONE"="None";

Source/es-419.lproj/Localizable-2.strings

@@ -43,3 +43,5 @@
 "MY_COURSES"="My courses";
 /*Title My programs*/
 "MY_PROGRAMS"="My programs";
+/* None option in the caption list to de select caption language*/
+"NONE"="None";

Source/fr.lproj/Localizable-2.strings

@@ -43,3 +43,5 @@
 "MY_COURSES"="My courses";
 /*Title My programs*/
 "MY_PROGRAMS"="My programs";
+/* None option in the caption list to de select caption language*/
+"NONE"="None";

Source/he.lproj/Localizable-2.strings

@@ -43,3 +43,5 @@
 "MY_COURSES"="My courses";
 /*Title My programs*/
 "MY_PROGRAMS"="My programs";
+/* None option in the caption list to de select caption language*/
+"NONE"="None";

Source/ja.lproj/Localizable-2.strings

@@ -43,3 +43,5 @@
 "MY_COURSES"="My courses";
 /*Title My programs*/
 "MY_PROGRAMS"="My programs";
+/* None option in the caption list to de select caption language*/
+"NONE"="None";

Source/pt-BR.lproj/Localizable-2.strings

@@ -43,3 +43,5 @@
 "MY_COURSES"="My courses";
 /*Title My programs*/
 "MY_PROGRAMS"="My programs";
+/* None option in the caption list to de select caption language*/
+"NONE"="None";

Source/tr.lproj/Localizable-2.strings

@@ -43,3 +43,5 @@
 "MY_COURSES"="My courses";
 /*Title My programs*/
 "MY_PROGRAMS"="My programs";
+/* None option in the caption list to de select caption language*/
+"NONE"="None";

Source/vi.lproj/Localizable-2.strings

@@ -43,3 +43,5 @@
 "MY_COURSES"="My courses";
 /*Title My programs*/
 "MY_PROGRAMS"="My programs";
+/* None option in the caption list to de select caption language*/
+"NONE"="None";

Source/zh-Hans.lproj/Localizable-2.strings

@@ -43,3 +43,5 @@
 "MY_COURSES"="My courses";
 /*Title My programs*/
 "MY_PROGRAMS"="My programs";
+/* None option in the caption list to de select caption language*/
+"NONE"="None";