From 159123f51f5e13c496499c393e922007140ae681 Mon Sep 17 00:00:00 2001
From: Karim Abou Zeid <karim23697@gmail.com>
Date: Sun, 25 Jan 2015 21:55:25 +0100
Subject: [PATCH] Fixed playing queue rearranging

---
 ...layListAdapter.java => PlayingQueueAdapter.java} |  4 ++--
 .../materialmusic/helper/MusicPlayerRemote.java     | 13 +++++++++++++
 .../helper/PlayingQueueDialogHelper.java            | 12 +++++-------
 3 files changed, 20 insertions(+), 9 deletions(-)
 rename app/src/main/java/com/kabouzeid/materialmusic/adapter/{PlayListAdapter.java => PlayingQueueAdapter.java} (91%)

diff --git a/app/src/main/java/com/kabouzeid/materialmusic/adapter/PlayListAdapter.java b/app/src/main/java/com/kabouzeid/materialmusic/adapter/PlayingQueueAdapter.java
similarity index 91%
rename from app/src/main/java/com/kabouzeid/materialmusic/adapter/PlayListAdapter.java
rename to app/src/main/java/com/kabouzeid/materialmusic/adapter/PlayingQueueAdapter.java
index 9d0f9837..dfcf697a 100644
--- a/app/src/main/java/com/kabouzeid/materialmusic/adapter/PlayListAdapter.java
+++ b/app/src/main/java/com/kabouzeid/materialmusic/adapter/PlayingQueueAdapter.java
@@ -17,11 +17,11 @@ import java.util.List;
 /**
  * Created by karim on 24.01.15.
  */
-public class PlayListAdapter extends ArrayAdapter<Song> {
+public class PlayingQueueAdapter extends ArrayAdapter<Song> {
     private Context context;
     private App app;
 
-    public PlayListAdapter(Context context, List<Song> playList) {
+    public PlayingQueueAdapter(Context context, List<Song> playList) {
         super(context, R.layout.item_playlist, playList);
         this.context = context;
         app = (App) context.getApplicationContext();
diff --git a/app/src/main/java/com/kabouzeid/materialmusic/helper/MusicPlayerRemote.java b/app/src/main/java/com/kabouzeid/materialmusic/helper/MusicPlayerRemote.java
index 35a09bbd..f1969b84 100644
--- a/app/src/main/java/com/kabouzeid/materialmusic/helper/MusicPlayerRemote.java
+++ b/app/src/main/java/com/kabouzeid/materialmusic/helper/MusicPlayerRemote.java
@@ -227,6 +227,19 @@ public class MusicPlayerRemote implements OnMusicRemoteEventListener {
         return false;
     }
 
+    public void moveSong(int from, int to){
+        final int currentPosition = getPosition();
+        Song songToMove = getPlayingQueue().remove(from);
+        getPlayingQueue().add(to, songToMove);
+        if(from > currentPosition && to <= currentPosition){
+            setPosition(getPosition() + 1);
+        } else if(from < currentPosition && to >= currentPosition){
+            setPosition(getPosition() - 1);
+        } else if(from == currentPosition){
+            setPosition(to);
+        }
+    }
+
     @Override
     public void onMusicRemoteEvent(MusicRemoteEvent event) {
         notifyOnMusicRemoteEventListeners(event.getAction());
diff --git a/app/src/main/java/com/kabouzeid/materialmusic/helper/PlayingQueueDialogHelper.java b/app/src/main/java/com/kabouzeid/materialmusic/helper/PlayingQueueDialogHelper.java
index 93523ed4..9c9e5bc6 100644
--- a/app/src/main/java/com/kabouzeid/materialmusic/helper/PlayingQueueDialogHelper.java
+++ b/app/src/main/java/com/kabouzeid/materialmusic/helper/PlayingQueueDialogHelper.java
@@ -5,7 +5,7 @@ import android.content.Context;
 import com.afollestad.materialdialogs.MaterialDialog;
 import com.kabouzeid.materialmusic.App;
 import com.kabouzeid.materialmusic.R;
-import com.kabouzeid.materialmusic.adapter.PlayListAdapter;
+import com.kabouzeid.materialmusic.adapter.PlayingQueueAdapter;
 import com.kabouzeid.materialmusic.model.Song;
 import com.mobeta.android.dslv.DragSortListView;
 
@@ -34,15 +34,13 @@ public class PlayingQueueDialogHelper {
                 })
                 .build();
         final DragSortListView dragSortListView = (DragSortListView) dialog.getCustomView().findViewById(R.id.dragSortListView);
-        final PlayListAdapter playListAdapter = new PlayListAdapter(context, app.getMusicPlayerRemote().getPlayingQueue());
-        dragSortListView.setAdapter(playListAdapter);
+        final PlayingQueueAdapter playingQueueAdapter = new PlayingQueueAdapter(context, app.getMusicPlayerRemote().getPlayingQueue());
+        dragSortListView.setAdapter(playingQueueAdapter);
         dragSortListView.setDropListener(new DragSortListView.DropListener() {
             @Override
             public void drop(int from, int to) {
-                Song songToMove = app.getMusicPlayerRemote().getPlayingQueue().get(from);
-                app.getMusicPlayerRemote().getPlayingQueue().remove(from);
-                app.getMusicPlayerRemote().getPlayingQueue().add(to, songToMove);
-                playListAdapter.notifyDataSetChanged();
+                app.getMusicPlayerRemote().moveSong(from, to);
+                playingQueueAdapter.notifyDataSetChanged();
             }
         });
         return dialog;