removed more nextStreams keywords

src/main/java/org/schabi/newpipe/extractor/ListExtractor.java

@@ -65,7 +65,7 @@ public abstract class ListExtractor extends Extractor {
             return nextPageUrl != null && !nextPageUrl.isEmpty();
         }
 
-        public List<InfoItem> getNextItemsList() {
+        public List<InfoItem> getItemsList() {
             return infoItemList;
         }
 

src/main/java/org/schabi/newpipe/extractor/ListInfo.java

@@ -4,8 +4,7 @@ import java.util.List;
 
 public abstract class ListInfo extends Info {
     public List<InfoItem> related_streams;
-    public boolean has_more_streams;
-    public String next_streams_url;
+    public String nextPageUrl = null;
 
     public ListInfo(int serviceId, String id, String url, String name) {
         super(serviceId, id, url, name);
@@ -20,18 +19,14 @@ public abstract class ListInfo extends Info {
     }
 
     public boolean hasNextPage() {
-        return has_more_streams;
-    }
-
-    public void setHasMoreStreams(boolean has_more_streams) {
-        this.has_more_streams = has_more_streams;
+        return nextPageUrl != null && !nextPageUrl.isEmpty();
     }
 
     public String getNextPageUrl() {
-        return next_streams_url;
+        return nextPageUrl;
     }
 
-    public void setNextStreamsUrl(String next_streams_url) {
-        this.next_streams_url = next_streams_url;
+    public void setNextPageUrl(String pageUrl) {
+        this.nextPageUrl = pageUrl;
     }
 }

src/main/java/org/schabi/newpipe/extractor/channel/ChannelInfo.java

@@ -92,8 +92,7 @@ public class ChannelInfo extends ListInfo {
             info.addError(e);
         }
 
-        info.setHasMoreStreams(extractor.hasNextPage());
-        info.setNextStreamsUrl(extractor.getNextPageUrl());
+        info.setNextPageUrl(extractor.getNextPageUrl());
         return info;
     }
 

src/main/java/org/schabi/newpipe/extractor/playlist/PlaylistInfo.java

@@ -75,8 +75,7 @@ public class PlaylistInfo extends ListInfo {
         }
 
         info.setRelatedStreams(getInfoItemsOrLogError(info, extractor));
-        info.setHasMoreStreams(extractor.hasNextPage());
-        info.setNextStreamsUrl(extractor.getNextPageUrl());
+        info.setNextPageUrl(extractor.getNextPageUrl());
         return info;
     }
 

src/main/java/org/schabi/newpipe/extractor/services/youtube/YoutubeChannelExtractor.java

@@ -47,18 +47,6 @@ public class YoutubeChannelExtractor extends ChannelExtractor {
     private static final String CHANNEL_URL_PARAMETERS = "/videos?view=0&flow=list&sort=dd&live_view=10000";
 
     private Document doc;
-    /**
-     * It's lazily initialized (when getInfoItemPage is called)
-     */
-    // private Document nextStreamsAjax;
-
-    /**
-     * Unfortunately, we have to fetch the page even if we are only getting next streams,
-     * as they don't deliver enough information on their own (the channel name, for example).
-     * <br/>
-     * This help us to keep track on what are we fetching.
-     */
-    //private boolean fetchingNextStreams;
 
     public YoutubeChannelExtractor(StreamingService service, String url) {
         super(service, url);
@@ -70,7 +58,6 @@ public class YoutubeChannelExtractor extends ChannelExtractor {
         String pageContent = downloader.download(channelUrl);
         doc = Jsoup.parse(pageContent, channelUrl);
 
-        //nextStreamsAjax = null;
     }
 
     @Override

src/test/java/org/schabi/newpipe/extractor/services/soundcloud/SoundcloudChannelExtractorTest.java

@@ -70,7 +70,12 @@ public class SoundcloudChannelExtractorTest {
     }
 
     @Test
-    public void testGetNextStreams() throws Exception {
+    public void testGetNextPageUrl() throws Exception {
+        assertTrue(extractor.hasNextPage());
+    }
+
+    @Test
+    public void testGetPage() throws Exception {
         // Setup the streams
         extractor.getStreams();
         ListExtractor.InfoItemPage nextItemsResult = extractor.getPage(extractor.getNextPageUrl());

src/test/java/org/schabi/newpipe/extractor/services/soundcloud/SoundcloudChartsExtractorTest.java

@@ -74,7 +74,12 @@ public class SoundcloudChartsExtractorTest {
     }
 
     @Test
-    public void testGetNextStreams() throws Exception {
+    public void testGetNextPageUrl() throws Exception {
+        assertTrue(extractor.hasNextPage());
+    }
+
+    @Test
+    public void testGetNextPage() throws Exception {
         extractor.getInfoItems();
         assertFalse("extractor has next streams", extractor.getPage(extractor.getNextPageUrl()) == null
                 || extractor.getPage(extractor.getNextPageUrl()).infoItemList.isEmpty());

src/test/java/org/schabi/newpipe/extractor/services/soundcloud/SoundcloudPlaylistExtractorTest.java

@@ -85,7 +85,7 @@ public class SoundcloudPlaylistExtractorTest {
     }
 
     @Test(expected = ExtractionException.class)
-    public void testGetNextStreamsNonExistent() throws Exception {
+    public void testGetNextPageNonExistent() throws Exception {
         // Setup the streams
         extractor.getStreams();
 

src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeChannelExtractorTest.java

@@ -109,7 +109,12 @@ public class YoutubeChannelExtractorTest {
     }
 
     @Test
-    public void testGetNextStreams() throws Exception {
+    public void testGetNextPageUrl() throws Exception {
+        assertTrue(extractor.hasNextPage());
+    }
+
+    @Test
+    public void testGetPage() throws Exception {
         // Setup the streams
         extractor.getStreams();
         ListExtractor.InfoItemPage nextItemsResult = extractor.getPage(extractor.getNextPageUrl());

src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeTrendingExtractorTest.java

@@ -84,13 +84,13 @@ public class YoutubeTrendingExtractorTest {
     }
 
     @Test
-    public void testGetNextStreams() throws Exception {
+    public void testGetNextPage() {
         assertTrue("extractor has next streams", extractor.getPage(extractor.getNextPageUrl()) == null
-                || extractor.getPage(extractor.getNextPageUrl()).getNextItemsList().isEmpty());
+                || extractor.getPage(extractor.getNextPageUrl()).getItemsList().isEmpty());
     }
 
     @Test
-    public void testGetCleanUrl() throws Exception {
+    public void testGetCleanUrl() {
         assertEquals(extractor.getCleanUrl(), extractor.getCleanUrl(), "https://www.youtube.com/feed/trending");
     }
 }