chore: handle header view in video block (#1798)

openedx-unsupported · Sep 18, 2023 · 64990fd · 64990fd
1 parent cb92fce
commit 64990fd
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Showing 2 changed files with 22 additions and 2 deletions.
diff --git a/Source/VideoBlockViewController.swift b/Source/VideoBlockViewController.swift
@@ -10,10 +10,16 @@ import Foundation
 import MediaPlayer
 import UIKit
 
-class VideoBlockViewController : OfflineSupportViewController, CourseBlockViewController, StatusBarOverriding, InterfaceOrientationOverriding, VideoTranscriptDelegate, RatingViewControllerDelegate, VideoPlayerDelegate {
+class VideoBlockViewController : OfflineSupportViewController, CourseBlockViewController, StatusBarOverriding, InterfaceOrientationOverriding, VideoTranscriptDelegate, RatingViewControllerDelegate, VideoPlayerDelegate, ScrollableDelegateProvider {
 
     typealias Environment = DataManagerProvider & OEXInterfaceProvider & ReachabilityProvider & OEXConfigProvider & OEXRouterProvider & OEXAnalyticsProvider & OEXStylesProvider & OEXSessionProvider & NetworkManagerProvider
 
+    weak var scrollableDelegate: ScrollableDelegate? {
+        didSet {
+            videoTranscriptView?.scrollableDelegate = scrollableDelegate
+        }
+    }
+
     let environment : Environment
     let blockID : CourseBlockID?
     let courseQuerier : CourseOutlineQuerier

diff --git a/Source/VideoTranscript.swift b/Source/VideoTranscript.swift
@@ -12,10 +12,13 @@ protocol VideoTranscriptDelegate: AnyObject {
     func didSelectSubtitleAtInterval(time: TimeInterval)
 }
 
-class VideoTranscript: NSObject, UITableViewDelegate, UITableViewDataSource{
+class VideoTranscript: NSObject, UITableViewDelegate, UITableViewDataSource, ScrollableDelegateProvider {
 
     typealias Environment = DataManagerProvider & OEXInterfaceProvider & ReachabilityProvider
 
+    weak var scrollableDelegate: ScrollableDelegate?
+    private var scrollByDragging = false
+
     let transcriptTableView = UITableView(frame: CGRect.zero, style: .plain)
     var transcripts = [TranscriptObject]()
 
@@ -68,7 +71,18 @@ class VideoTranscript: NSObject, UITableViewDelegate, UITableViewDataSource{
         delegate?.didSelectSubtitleAtInterval(time: transcripts[indexPath.row].start)
     }
 
+    func scrollViewDidScroll(_ scrollView: UIScrollView) {
+        if scrollByDragging {
+            scrollableDelegate?.scrollViewDidScroll(scrollView: scrollView)
+        }
+    }
+
+    func scrollViewDidEndDragging(_ scrollView: UIScrollView, willDecelerate decelerate: Bool) {
+        scrollByDragging = false
+    }
+
     func scrollViewWillBeginDragging(_ scrollView: UIScrollView) {
+        scrollByDragging = true
         isTableDragged = true
         draggingTimer.invalidate()
         draggingTimer = Timer.scheduledTimer(timeInterval: dragDelay, target: self, selector: #selector(invalidateDragging), userInfo: nil, repeats: false)