sponsorblock: move fetching VideoSegment's to DownloadDialog

- move fetching VideoSegment's to DownloadDialog
- integrate ProgressBar to show that we are fetching VideoSegment's

app/src/main/java/org/schabi/newpipe/download/DownloadDialog.java

@@ -1,6 +1,7 @@
 package org.schabi.newpipe.download;
 
 import static org.schabi.newpipe.extractor.stream.DeliveryMethod.PROGRESSIVE_HTTP;
+import static org.schabi.newpipe.ktx.ViewUtils.animate;
 import static org.schabi.newpipe.util.ListHelper.getStreamsOfSpecifiedDelivery;
 import static org.schabi.newpipe.util.Localization.assureCorrectAppLanguage;
 
@@ -66,6 +67,7 @@ import org.schabi.newpipe.util.ListHelper;
 import org.schabi.newpipe.util.PermissionHelper;
 import org.schabi.newpipe.util.SecondaryStreamHelper;
 import org.schabi.newpipe.util.SimpleOnSeekBarChangeListener;
+import org.schabi.newpipe.util.SponsorBlockUtils;
 import org.schabi.newpipe.util.StreamItemAdapter;
 import org.schabi.newpipe.util.StreamItemAdapter.StreamSizeWrapper;
 import org.schabi.newpipe.util.ThemeHelper;
@@ -80,7 +82,10 @@ import java.util.Optional;
 
 import icepick.Icepick;
 import icepick.State;
+import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers;
+import io.reactivex.rxjava3.core.Single;
 import io.reactivex.rxjava3.disposables.CompositeDisposable;
+import io.reactivex.rxjava3.schedulers.Schedulers;
 import us.shandian.giga.get.MissionRecoveryInfo;
 import us.shandian.giga.postprocessing.Postprocessing;
 import us.shandian.giga.service.DownloadManager;
@@ -260,7 +265,7 @@ public class DownloadDialog extends DialogFragment
                 downloadManager = mgr.getDownloadManager();
                 askForSavePath = mgr.askForSavePath();
 
-                okButton.setEnabled(true);
+                checkForYoutubeVideoSegments();
 
                 context.unbindService(this);
             }
@@ -301,6 +306,8 @@ public class DownloadDialog extends DialogFragment
 
         dialogBinding.videoAudioGroup.setOnCheckedChangeListener(this);
 
+        showLoading();
+
         initToolbar(dialogBinding.toolbarLayout.toolbar);
         setupDownloadOptions();
 
@@ -1077,4 +1084,37 @@ public class DownloadDialog extends DialogFragment
 
         dismiss();
     }
+
+    private void checkForYoutubeVideoSegments() {
+        disposables.add(Single.fromCallable(() -> {
+                    VideoSegment[] videoSegments = null;
+                    try {
+                        videoSegments = SponsorBlockUtils
+                                .getYouTubeVideoSegments(getContext(), currentInfo);
+                    } catch (final Exception e) {
+                        // TODO: handle?
+                    }
+
+                    return videoSegments == null
+                            ? new VideoSegment[0]
+                            : videoSegments;
+                })
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(videoSegments -> {
+                    setVideoSegments(videoSegments);
+                    okButton.setEnabled(true);
+                    hideLoading();
+                }));
+    }
+
+    public void showLoading() {
+        dialogBinding.fileName.setVisibility(View.GONE);
+        animate(dialogBinding.loadingProgressBar, true, 400);
+    }
+
+    public void hideLoading() {
+        animate(dialogBinding.loadingProgressBar, false, 0);
+        dialogBinding.fileName.setVisibility(View.VISIBLE);
+    }
 }

app/src/main/java/org/schabi/newpipe/fragments/detail/VideoDetailFragment.java

@@ -108,7 +108,6 @@ import org.schabi.newpipe.util.Constants;
 import org.schabi.newpipe.util.DeviceUtils;
 import org.schabi.newpipe.util.ExtractorHelper;
 import org.schabi.newpipe.util.ReturnYouTubeDislikeUtils;
-import org.schabi.newpipe.util.VideoSegment;
 import org.schabi.newpipe.util.external_communication.KoreUtils;
 import org.schabi.newpipe.util.ListHelper;
 import org.schabi.newpipe.util.Localization;
@@ -116,7 +115,6 @@ import org.schabi.newpipe.util.NavigationHelper;
 import org.schabi.newpipe.util.PermissionHelper;
 import org.schabi.newpipe.util.PicassoHelper;
 import org.schabi.newpipe.util.StreamTypeUtil;
-import org.schabi.newpipe.util.SponsorBlockUtils;
 import org.schabi.newpipe.util.external_communication.ShareUtils;
 import org.schabi.newpipe.util.ThemeHelper;
 
@@ -131,7 +129,6 @@ import java.util.function.Consumer;
 
 import icepick.State;
 import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers;
-import io.reactivex.rxjava3.core.Single;
 import io.reactivex.rxjava3.disposables.CompositeDisposable;
 import io.reactivex.rxjava3.disposables.Disposable;
 import io.reactivex.rxjava3.schedulers.Schedulers;
@@ -212,8 +209,6 @@ public final class VideoDetailFragment
     private final CompositeDisposable disposables = new CompositeDisposable();
     @Nullable
     private Disposable positionSubscriber = null;
-    @Nullable
-    private Disposable videoSegmentsSubscriber = null;
 
     private BottomSheetBehavior<FrameLayout> bottomSheetBehavior;
     private BottomSheetBehavior.BottomSheetCallback bottomSheetCallback;
@@ -407,9 +402,6 @@ public final class VideoDetailFragment
         if (positionSubscriber != null) {
             positionSubscriber.dispose();
         }
-        if (videoSegmentsSubscriber != null) {
-            videoSegmentsSubscriber.dispose();
-        }
         if (currentWorker != null) {
             currentWorker.dispose();
         }
@@ -1683,32 +1675,13 @@ public final class VideoDetailFragment
             return;
         }
 
-        videoSegmentsSubscriber = Single.fromCallable(() -> {
+        try {
-            VideoSegment[] videoSegments = null;
+            final DownloadDialog downloadDialog = new DownloadDialog(activity, currentInfo);
-
+            downloadDialog.show(activity.getSupportFragmentManager(), "downloadDialog");
-            try {
+        } catch (final Exception e) {
-                videoSegments =
+            ErrorUtil.showSnackbar(activity, new ErrorInfo(e, UserAction.DOWNLOAD_OPEN_DIALOG,
-                        SponsorBlockUtils.getYouTubeVideoSegments(getContext(), currentInfo);
+                    "Showing download dialog", currentInfo));
-            } catch (final Exception e) {
+        }
-                // TODO: handle?
-            }
-
-            return videoSegments == null
-                    ? new VideoSegment[0]
-                    : videoSegments;
-        })
-        .subscribeOn(Schedulers.io())
-        .observeOn(AndroidSchedulers.mainThread())
-        .subscribe(videoSegments -> {
-            try {
-                final DownloadDialog downloadDialog = new DownloadDialog(activity, currentInfo);
-                downloadDialog.setVideoSegments(videoSegments);
-                downloadDialog.show(activity.getSupportFragmentManager(), "downloadDialog");
-            } catch (final Exception e) {
-                ErrorUtil.showSnackbar(activity, new ErrorInfo(e, UserAction.DOWNLOAD_OPEN_DIALOG,
-                        "Showing download dialog", currentInfo));
-            }
-        });
     }
 
     /*//////////////////////////////////////////////////////////////////////////

app/src/main/res/layout/download_dialog.xml

@@ -18,16 +18,28 @@
         android:layout_marginBottom="6dp"
         android:text="@string/msg_name" />
 
+    <ProgressBar
+        android:id="@+id/loading_progress_bar"
+        style="@style/Widget.AppCompat.ProgressBar"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_below="@id/file_name_text_view"
+        android:indeterminate="true"
+        android:visibility="gone"
+        tools:visibility="visible" />
+
     <org.schabi.newpipe.views.NewPipeEditText
         android:id="@+id/file_name"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_below="@+id/file_name_text_view"
+        android:layout_below="@id/loading_progress_bar"
         android:layout_marginLeft="20dp"
         android:layout_marginRight="20dp"
         android:layout_marginBottom="6dp"
         android:inputType="text"
-        android:maxLines="1" />
+        android:maxLines="1"
+        android:visibility="gone"
+        tools:visibility="visible" />
 
     <RadioGroup
         android:id="@+id/video_audio_group"