Playlist interface - initial work

app/src/main/java/com/cappielloantonio/play/adapter/PlaylistAdapter.java

@@ -1,14 +1,17 @@
 package com.cappielloantonio.play.adapter;
 
 import android.content.Context;
+import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.TextView;
 
+import androidx.navigation.Navigation;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.cappielloantonio.play.R;
+import com.cappielloantonio.play.model.Album;
 import com.cappielloantonio.play.model.Playlist;
 
 import java.util.ArrayList;
@@ -20,7 +23,6 @@ public class PlaylistAdapter extends RecyclerView.Adapter<PlaylistAdapter.ViewHo
     private List<Playlist> playlists;
     private LayoutInflater mInflater;
     private Context context;
-    private ItemClickListener itemClickListener;
 
     public PlaylistAdapter(Context context) {
         this.context = context;
@@ -59,21 +61,19 @@ public class PlaylistAdapter extends RecyclerView.Adapter<PlaylistAdapter.ViewHo
 
         @Override
         public void onClick(View view) {
-            if (itemClickListener != null)
-                itemClickListener.onItemClick(view, getAdapterPosition());
+            Bundle bundle = new Bundle();
+            bundle.putParcelable("playlist_object", playlists.get(getAdapterPosition()));
+            Navigation.findNavController(view).navigate(R.id.action_libraryFragment_to_playlistPageFragment, bundle);
+
         }
     }
 
+    public Playlist getItem(int position) {
+        return playlists.get(position);
+    }
+
     public void setItems(List<Playlist> playlists) {
         this.playlists = playlists;
         notifyDataSetChanged();
     }
-
-    public void setClickListener(ItemClickListener itemClickListener) {
-        this.itemClickListener = itemClickListener;
-    }
-
-    public interface ItemClickListener {
-        void onItemClick(View view, int position);
-    }
 }

app/src/main/java/com/cappielloantonio/play/ui/fragment/LibraryFragment.java

@@ -112,7 +112,6 @@ public class LibraryFragment extends Fragment {
         bind.playlistRecyclerView.setHasFixedSize(true);
 
         playlistAdapter = new PlaylistAdapter(requireContext());
-        playlistAdapter.setClickListener((view, position) -> Toast.makeText(requireContext(), "Playlist: " + position, Toast.LENGTH_SHORT).show());
         bind.playlistRecyclerView.setAdapter(playlistAdapter);
         libraryViewModel.getPlaylistList().observe(requireActivity(), playlists -> playlistAdapter.setItems(playlists));
     }

app/src/main/java/com/cappielloantonio/play/ui/fragment/PlaylistPageFragment.java

@@ -0,0 +1,96 @@
+package com.cappielloantonio.play.ui.fragment;
+
+import android.graphics.PorterDuff;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.Nullable;
+import androidx.core.view.ViewCompat;
+import androidx.fragment.app.Fragment;
+import androidx.lifecycle.ViewModelProvider;
+import androidx.recyclerview.widget.LinearLayoutManager;
+
+import com.cappielloantonio.play.R;
+import com.cappielloantonio.play.adapter.SongResultSearchAdapter;
+import com.cappielloantonio.play.databinding.FragmentAlbumPageBinding;
+import com.cappielloantonio.play.databinding.FragmentPlaylistPageBinding;
+import com.cappielloantonio.play.glide.CustomGlideRequest;
+import com.cappielloantonio.play.ui.activities.MainActivity;
+import com.cappielloantonio.play.viewmodel.AlbumPageViewModel;
+import com.cappielloantonio.play.viewmodel.PlaylistPageViewModel;
+
+public class PlaylistPageFragment extends Fragment {
+
+    private FragmentPlaylistPageBinding bind;
+    private MainActivity activity;
+    private PlaylistPageViewModel playlistPageViewModel;
+
+    private SongResultSearchAdapter songResultSearchAdapter;
+
+    @Override
+    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+
+        initAppBar();
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        activity = (MainActivity) getActivity();
+
+        bind = FragmentPlaylistPageBinding.inflate(inflater, container, false);
+        View view = bind.getRoot();
+        playlistPageViewModel = new ViewModelProvider(requireActivity()).get(PlaylistPageViewModel.class);
+
+        init();
+        initSongsView();
+
+        return view;
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+        activity.setBottomNavigationBarVisibility(false);
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        bind = null;
+    }
+
+    private void init() {
+        playlistPageViewModel.setPlaylist(getArguments().getParcelable("playlist_object"));
+    }
+
+    private void initAppBar() {
+        activity.setSupportActionBar(bind.animToolbar);
+        if (activity.getSupportActionBar() != null)
+            activity.getSupportActionBar().setDisplayHomeAsUpEnabled(true);
+
+        bind.collapsingToolbar.setTitle(playlistPageViewModel.getPlaylist().getName());
+        bind.animToolbar.setNavigationOnClickListener(v -> activity.navController.navigateUp());
+        bind.collapsingToolbar.setCollapsedTitleTextColor(getResources().getColor(R.color.titleTextColor, null));
+
+        bind.appbar.addOnOffsetChangedListener((appBarLayout, verticalOffset) -> {
+            if ((bind.collapsingToolbar.getHeight() + verticalOffset) < (2 * ViewCompat.getMinimumHeight(bind.collapsingToolbar))) {
+                bind.animToolbar.getNavigationIcon().setColorFilter(getResources().getColor(R.color.titleTextColor, null), PorterDuff.Mode.SRC_ATOP);
+            } else {
+                bind.animToolbar.getNavigationIcon().setColorFilter(getResources().getColor(R.color.white, null), PorterDuff.Mode.SRC_ATOP);
+            }
+        });
+
+    }
+
+    private void initSongsView() {
+        bind.songRecyclerView.setLayoutManager(new LinearLayoutManager(requireContext()));
+        bind.songRecyclerView.setHasFixedSize(true);
+
+        songResultSearchAdapter = new SongResultSearchAdapter(activity, requireContext(), getChildFragmentManager());
+        bind.songRecyclerView.setAdapter(songResultSearchAdapter);
+        playlistPageViewModel.getPlaylistSongList().observe(requireActivity(), songs -> songResultSearchAdapter.setItems(songs));
+    }
+}

app/src/main/java/com/cappielloantonio/play/viewmodel/PlaylistPageViewModel.java

@@ -0,0 +1,42 @@
+package com.cappielloantonio.play.viewmodel;
+
+import android.app.Application;
+
+import androidx.annotation.NonNull;
+import androidx.lifecycle.AndroidViewModel;
+import androidx.lifecycle.LiveData;
+
+import com.cappielloantonio.play.model.Album;
+import com.cappielloantonio.play.model.Playlist;
+import com.cappielloantonio.play.model.Song;
+import com.cappielloantonio.play.repository.SongRepository;
+
+import java.util.List;
+
+public class PlaylistPageViewModel extends AndroidViewModel {
+    private SongRepository songRepository;
+
+    private LiveData<List<Song>> songList;
+
+    private Playlist playlist;
+
+    public PlaylistPageViewModel(@NonNull Application application) {
+        super(application);
+
+        songRepository = new SongRepository(application);
+    }
+
+    public LiveData<List<Song>> getPlaylistSongList() {
+        // Prendere le canzoni di ciascuna playlist
+        songList = songRepository.getAlbumListLiveSong(playlist.getId());
+        return songList;
+    }
+
+    public Playlist getPlaylist() {
+        return playlist;
+    }
+
+    public void setPlaylist(Playlist playlist) {
+        this.playlist = playlist;
+    }
+}