Artist album and artist song multi select

app/src/main/java/com/kabouzeid/gramophone/adapter/ArtistAlbumAdapter.java

@@ -1,35 +1,44 @@
 package com.kabouzeid.gramophone.adapter;
 
-import android.app.Activity;
+import android.support.annotation.Nullable;
 import android.support.v4.util.Pair;
+import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ImageView;
 import android.widget.TextView;
 
 import com.kabouzeid.gramophone.R;
+import com.kabouzeid.gramophone.dialogs.AddToPlaylistDialog;
+import com.kabouzeid.gramophone.dialogs.DeleteSongsDialog;
+import com.kabouzeid.gramophone.helper.MusicPlayerRemote;
+import com.kabouzeid.gramophone.interfaces.CabHolder;
+import com.kabouzeid.gramophone.loader.AlbumSongLoader;
 import com.kabouzeid.gramophone.model.Album;
+import com.kabouzeid.gramophone.model.Song;
 import com.kabouzeid.gramophone.ui.activities.base.AbsFabActivity;
 import com.kabouzeid.gramophone.util.MusicUtil;
 import com.kabouzeid.gramophone.util.NavigationUtil;
 import com.nostra13.universalimageloader.core.DisplayImageOptions;
 import com.nostra13.universalimageloader.core.ImageLoader;
 
+import java.util.ArrayList;
 import java.util.List;
 
 /**
  * @author Karim Abou Zeid (kabouzeid)
  */
-public class ArtistAlbumAdapter extends RecyclerView.Adapter<ArtistAlbumAdapter.ViewHolder> {
+public class ArtistAlbumAdapter extends AbsMultiSelectAdapter<ArtistAlbumAdapter.ViewHolder, Album> {
     public static final String TAG = AlbumAdapter.class.getSimpleName();
 
     private static final int TYPE_FIRST = 1;
     private static final int TYPE_MIDDLE = 2;
     private static final int TYPE_LAST = 3;
 
-    private final Activity activity;
+    private final AppCompatActivity activity;
     private final List<Album> dataSet;
     private final int listMargin;
 
@@ -61,6 +70,7 @@ public class ArtistAlbumAdapter extends RecyclerView.Adapter<ArtistAlbumAdapter.
 
         holder.title.setText(album.title);
         holder.year.setText(String.valueOf(album.year));
+        holder.view.setActivated(isChecked(album));
     }
 
     @Override
@@ -77,21 +87,55 @@ public class ArtistAlbumAdapter extends RecyclerView.Adapter<ArtistAlbumAdapter.
         } else return TYPE_MIDDLE;
     }
 
-    public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
+    @Override
+    protected Album getIdentifier(int position) {
+        return dataSet.get(position);
+    }
+
+    @Override
+    protected void onMultipleItemAction(MenuItem menuItem, ArrayList<Album> selection) {
+        switch (menuItem.getItemId()) {
+            case R.id.action_delete_from_disk:
+                DeleteSongsDialog.create(getSongList(selection)).show(activity.getSupportFragmentManager(), "DELETE_SONGS");
+                break;
+            case R.id.action_add_to_playlist:
+                AddToPlaylistDialog.create(getSongList(selection)).show(activity.getSupportFragmentManager(), "ADD_PLAYLIST");
+                break;
+            case R.id.action_add_to_current_playing:
+                MusicPlayerRemote.enqueue(getSongList(selection));
+                break;
+        }
+    }
+
+    private ArrayList<Song> getSongList(List<Album> albums) {
+        final ArrayList<Song> songs = new ArrayList<>();
+        for (Album album : albums) {
+            songs.addAll(AlbumSongLoader.getAlbumSongList(activity, album.id));
+        }
+        return songs;
+    }
+
+    public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener, View.OnLongClickListener {
         final ImageView albumArt;
         final TextView title;
         final TextView year;
+        final View view;
 
         public ViewHolder(View itemView) {
             super(itemView);
+            view = itemView;
             albumArt = (ImageView) itemView.findViewById(R.id.album_art);
             title = (TextView) itemView.findViewById(R.id.album_title);
             year = (TextView) itemView.findViewById(R.id.album_year);
-            itemView.setOnClickListener(this);
+            view.setOnClickListener(this);
+            view.setOnLongClickListener(this);
         }
 
         @Override
         public void onClick(View v) {
+            if (isInQuickSelectMode()) {
+                toggleChecked(getAdapterPosition());
+            } else {
                 Pair[] albumPairs = new Pair[]{
                         Pair.create(albumArt,
                                 activity.getResources().getString(R.string.transition_album_cover)
@@ -102,7 +146,15 @@ public class ArtistAlbumAdapter extends RecyclerView.Adapter<ArtistAlbumAdapter.
             }
         }
 
-    public ArtistAlbumAdapter(Activity activity, List<Album> objects) {
+        @Override
+        public boolean onLongClick(View view) {
+            toggleChecked(getAdapterPosition());
+            return true;
+        }
+    }
+
+    public ArtistAlbumAdapter(AppCompatActivity activity, List<Album> objects, @Nullable CabHolder cabHolder) {
+        super(cabHolder, R.menu.menu_media_selection);
         this.activity = activity;
         dataSet = objects;
         listMargin = activity.getResources().getDimensionPixelSize(R.dimen.default_item_margin);

app/src/main/java/com/kabouzeid/gramophone/adapter/songadapter/ArtistSongAdapter.java

@@ -1,8 +1,10 @@
 package com.kabouzeid.gramophone.adapter.songadapter;
 
+import android.support.annotation.Nullable;
 import android.support.v4.util.Pair;
 import android.support.v7.app.AppCompatActivity;
 import android.view.LayoutInflater;
+import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
@@ -11,8 +13,11 @@ import android.widget.ImageView;
 import android.widget.PopupMenu;
 import android.widget.TextView;
 
+import com.afollestad.materialcab.MaterialCab;
 import com.kabouzeid.gramophone.R;
 import com.kabouzeid.gramophone.helper.MenuItemClickHelper;
+import com.kabouzeid.gramophone.helper.MusicPlayerRemote;
+import com.kabouzeid.gramophone.interfaces.CabHolder;
 import com.kabouzeid.gramophone.model.Song;
 import com.kabouzeid.gramophone.ui.activities.base.AbsFabActivity;
 import com.kabouzeid.gramophone.util.MusicUtil;
@@ -20,22 +25,30 @@ import com.kabouzeid.gramophone.util.NavigationUtil;
 import com.nostra13.universalimageloader.core.DisplayImageOptions;
 import com.nostra13.universalimageloader.core.ImageLoader;
 
-import java.util.List;
+import java.util.ArrayList;
 
 /**
  * @author Karim Abou Zeid (kabouzeid)
  */
-public class ArtistSongAdapter extends ArrayAdapter<Song> {
+public class ArtistSongAdapter extends ArrayAdapter<Song> implements MaterialCab.Callback {
+
+    private final CabHolder cabHolder;
+    private MaterialCab cab;
+    private ArrayList<Song> dataSet;
+    private ArrayList<Song> checked;
 
     private final AppCompatActivity activity;
 
-    public ArtistSongAdapter(AppCompatActivity activity, List<Song> songs) {
+    public ArtistSongAdapter(AppCompatActivity activity, ArrayList<Song> songs, @Nullable CabHolder cabHolder) {
         super(activity, R.layout.item_list_song, songs);
         this.activity = activity;
+        this.cabHolder = cabHolder;
+        checked = new ArrayList<>();
+        dataSet = songs;
     }
 
     @Override
-    public View getView(int position, View convertView, ViewGroup parent) {
+    public View getView(final int position, View convertView, ViewGroup parent) {
         final Song song = getItem(position);
         if (convertView == null) {
             convertView = LayoutInflater.from(getContext()).inflate(R.layout.item_list_artist_song, parent, false);
@@ -83,6 +96,84 @@ public class ArtistSongAdapter extends ArrayAdapter<Song> {
                 popupMenu.show();
             }
         });
+
+        convertView.setActivated(isChecked(song));
+        convertView.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                if (isInQuickSelectMode()) {
+                    toggleChecked(song);
+                } else {
+                    MusicPlayerRemote.openQueue(dataSet, position, true);
+                }
+            }
+        });
+        convertView.setOnLongClickListener(new View.OnLongClickListener() {
+            @Override
+            public boolean onLongClick(View view) {
+                toggleChecked(song);
+                return true;
+            }
+        });
+
         return convertView;
     }
+
+    private void onMultipleItemAction(MenuItem menuItem, ArrayList<Song> songs) {
+
+    }
+
+    protected void toggleChecked(Song song) {
+        if (cabHolder != null) {
+            openCabIfNecessary();
+
+            if (!checked.remove(song)) checked.add(song);
+            notifyDataSetChanged();
+
+            final int size = checked.size();
+            if (size <= 0) cab.finish();
+            else if (size == 1) cab.setTitle(checked.get(0).toString());
+            else if (size > 1) cab.setTitle(String.valueOf(size));
+        }
+    }
+
+    private void openCabIfNecessary() {
+        if (cabHolder != null) {
+            if (cab == null || !cab.isActive()) {
+                cab = cabHolder.openCab(R.menu.menu_media_selection, this);
+            }
+        }
+    }
+
+    private void uncheckAll() {
+        checked.clear();
+        notifyDataSetChanged();
+    }
+
+    protected boolean isChecked(Song song) {
+        return checked.contains(song);
+    }
+
+    protected boolean isInQuickSelectMode() {
+        return cab != null && cab.isActive();
+    }
+
+    @Override
+    public boolean onCabCreated(MaterialCab materialCab, Menu menu) {
+        return true;
+    }
+
+    @Override
+    public boolean onCabItemClicked(MenuItem menuItem) {
+        onMultipleItemAction(menuItem, new ArrayList<>(checked));
+        cab.finish();
+        uncheckAll();
+        return true;
+    }
+
+    @Override
+    public boolean onCabFinished(MaterialCab materialCab) {
+        uncheckAll();
+        return true;
+    }
 }

app/src/main/java/com/kabouzeid/gramophone/ui/activities/ArtistDetailActivity.java

@@ -17,11 +17,11 @@ import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
-import android.widget.AdapterView;
 import android.widget.ImageView;
 import android.widget.TextView;
 import android.widget.Toast;
 
+import com.afollestad.materialcab.MaterialCab;
 import com.afollestad.materialdialogs.MaterialDialog;
 import com.afollestad.materialdialogs.util.DialogUtils;
 import com.github.ksoichiro.android.observablescrollview.ObservableListView;
@@ -30,6 +30,7 @@ import com.kabouzeid.gramophone.R;
 import com.kabouzeid.gramophone.adapter.ArtistAlbumAdapter;
 import com.kabouzeid.gramophone.adapter.songadapter.ArtistSongAdapter;
 import com.kabouzeid.gramophone.helper.MusicPlayerRemote;
+import com.kabouzeid.gramophone.interfaces.CabHolder;
 import com.kabouzeid.gramophone.interfaces.PaletteColorHolder;
 import com.kabouzeid.gramophone.lastfm.artist.LastFMArtistBiographyLoader;
 import com.kabouzeid.gramophone.lastfm.artist.LastFMArtistImageUrlLoader;
@@ -62,7 +63,7 @@ import java.util.List;
  * <p/>
  * Should be kinda stable ONLY AS IT IS!!!
  */
-public class ArtistDetailActivity extends AbsFabActivity implements PaletteColorHolder {
+public class ArtistDetailActivity extends AbsFabActivity implements PaletteColorHolder, CabHolder {
 
     public static final String TAG = ArtistDetailActivity.class.getSimpleName();
     private Artist artist;
@@ -73,10 +74,12 @@ public class ArtistDetailActivity extends AbsFabActivity implements PaletteColor
     private View songsBackgroundView;
     private TextView artistNameTv;
     private Toolbar toolbar;
+    private MaterialCab cab;
     private int headerOffset;
     private int titleViewHeight;
     private int artistImageViewHeight;
     private int toolbarColor;
+    private float toolbarAlpha;
     private int bottomOffset;
 
     private View songListHeader;
@@ -98,9 +101,9 @@ public class ArtistDetailActivity extends AbsFabActivity implements PaletteColor
             ViewHelper.setTranslationY(songsBackgroundView, Math.max(0, -scrollY + artistImageViewHeight));
 
             // Change alpha of overlay
-            float alpha = Math.max(0, Math.min(1, (float) scrollY / flexibleRange));
+            toolbarAlpha = Math.max(0, Math.min(1, (float) scrollY / flexibleRange));
-            ViewUtil.setBackgroundAlpha(toolbar, alpha, toolbarColor);
+            ViewUtil.setBackgroundAlpha(toolbar, toolbarAlpha, toolbarColor);
-            ViewUtil.setBackgroundAlpha(statusBar, alpha, toolbarColor);
+            ViewUtil.setBackgroundAlpha(statusBar, cab != null && cab.isActive() ? 1 : toolbarAlpha, toolbarColor);
 
             // Translate name text
             int maxTitleTranslationY = artistImageViewHeight;
@@ -209,7 +212,7 @@ public class ArtistDetailActivity extends AbsFabActivity implements PaletteColor
         songListView.addHeaderView(songListHeader);
 
         final ArrayList<Song> songs = ArtistSongLoader.getArtistSongList(this, artist.id);
-        ArtistSongAdapter songAdapter = new ArtistSongAdapter(this, songs);
+        ArtistSongAdapter songAdapter = new ArtistSongAdapter(this, songs, this);
         songListView.setAdapter(songAdapter);
 
         final View contentView = getWindow().getDecorView().findViewById(android.R.id.content);
@@ -220,23 +223,12 @@ public class ArtistDetailActivity extends AbsFabActivity implements PaletteColor
                 observableScrollViewCallbacks.onScrollChanged(-(artistImageViewHeight + titleViewHeight), false, false);
             }
         });
-
-        songListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
-            @Override
-            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
-                // header view has position 0
-                if (position == 0) {
-                    return;
-                }
-                MusicPlayerRemote.openQueue(songs, position - 1, true);
-            }
-        });
     }
 
     private void setUpAlbumRecyclerView() {
         albumRecyclerView.setLayoutManager(new LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL, false));
         List<Album> albums = ArtistAlbumLoader.getArtistAlbumList(this, artist.id);
-        albumAdapter = new ArtistAlbumAdapter(this, albums);
+        albumAdapter = new ArtistAlbumAdapter(this, albums, this);
         albumRecyclerView.setAdapter(albumAdapter);
     }
 
@@ -453,4 +445,31 @@ public class ArtistDetailActivity extends AbsFabActivity implements PaletteColor
         super.onDestroy();
         App.bus.unregister(this);
     }
+
+    @Override
+    public MaterialCab openCab(int menuRes, final MaterialCab.Callback callback) {
+        if (cab != null && cab.isActive()) cab.finish();
+        cab = new MaterialCab(this, R.id.cab_stub)
+                .setMenu(menuRes)
+                .setBackgroundColor(getPaletteColor())
+                .start(new MaterialCab.Callback() {
+                    @Override
+                    public boolean onCabCreated(MaterialCab materialCab, Menu menu) {
+                        ViewUtil.setBackgroundAlpha(statusBar, 1, toolbarColor);
+                        return callback.onCabCreated(materialCab, menu);
+                    }
+
+                    @Override
+                    public boolean onCabItemClicked(MenuItem menuItem) {
+                        return callback.onCabItemClicked(menuItem);
+                    }
+
+                    @Override
+                    public boolean onCabFinished(MaterialCab materialCab) {
+                        ViewUtil.setBackgroundAlpha(statusBar, toolbarAlpha, toolbarColor);
+                        return callback.onCabFinished(materialCab);
+                    }
+                });
+        return cab;
+    }
 }

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

@@ -67,11 +67,22 @@
             android:layout_height="@dimen/statusMargin"
             android:background="@android:color/transparent" />
 
+        <FrameLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
             <android.support.v7.widget.Toolbar
                 android:id="@+id/toolbar"
                 style="@style/Toolbar"
                 android:background="@android:color/transparent" />
 
+            <ViewStub
+                android:id="@+id/cab_stub"
+                android:layout_width="match_parent"
+                android:layout_height="?attr/actionBarSize" />
+
+        </FrameLayout>
+
     </LinearLayout>
 
     <LinearLayout

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

@@ -2,7 +2,8 @@
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
              xmlns:tools="http://schemas.android.com/tools"
              android:layout_width="match_parent"
-    android:layout_height="72dp">
+             android:layout_height="72dp"
+             android:foreground="?rect_selector">
 
     <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
                   android:layout_width="match_parent"
@@ -30,30 +31,30 @@
             android:orientation="vertical">
 
             <TextView
-                android:textColor="?title_text_color"
                 android:id="@+id/song_title"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:fontFamily="sans-serif"
                 android:singleLine="true"
-                android:textAppearance="@style/TextAppearance.AppCompat.Subhead" />
+                android:textAppearance="@style/TextAppearance.AppCompat.Subhead"
+                android:textColor="?title_text_color" />
 
             <TextView
-                android:textColor="?caption_text_color"
                 android:id="@+id/song_info"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:fontFamily="sans-serif"
                 android:singleLine="true"
-                android:textAppearance="@style/TextAppearance.AppCompat.Body1" />
+                android:textAppearance="@style/TextAppearance.AppCompat.Body1"
+                android:textColor="?caption_text_color" />
         </LinearLayout>
 
         <ImageView
             android:id="@+id/menu"
             style="@style/OverFlowButton"
             android:layout_gravity="center_vertical"
-            android:layout_marginRight="2dp"
             android:layout_marginEnd="2dp"
+            android:layout_marginRight="2dp"
             tools:ignore="ContentDescription" />
 
     </LinearLayout>