1 files changed, 92 insertions, 0 deletions
diff --git a/samples/SupportLeanbackShowcase/app/src/main/java/android/support/v17/leanback/supportleanbackshowcase/cards/presenters/CardPresenterSelector.java b/samples/SupportLeanbackShowcase/app/src/main/java/android/support/v17/leanback/supportleanbackshowcase/cards/presenters/CardPresenterSelector.java
new file mode 100644
index 000000000..1228b14a9
--- /dev/null
+++ b/samples/SupportLeanbackShowcase/app/src/main/java/android/support/v17/leanback/supportleanbackshowcase/cards/presenters/CardPresenterSelector.java
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ *
+ */
+
+package android.support.v17.leanback.supportleanbackshowcase.cards.presenters;
+
+import android.content.Context;
+import android.support.v17.leanback.supportleanbackshowcase.R;
+import android.support.v17.leanback.supportleanbackshowcase.models.Card;
+import android.support.v17.leanback.widget.Presenter;
+import android.support.v17.leanback.widget.PresenterSelector;
+
+import java.util.HashMap;
+
+/**
+ * This PresenterSelector will decide what Presenter to use depending on a given card's type.
+ */
+public class CardPresenterSelector extends PresenterSelector {
+
+    private final Context mContext;
+    private final HashMap<Card.Type, Presenter> presenters = new HashMap<Card.Type, Presenter>();
+
+    public CardPresenterSelector(Context context) {
+        mContext = context;
+    }
+
+    @Override
+    public Presenter getPresenter(Object item) {
+        if (!(item instanceof Card)) throw new RuntimeException(
+                String.format("The PresenterSelector only supports data items of type '%s'",
+                        Card.class.getName()));
+        Card card = (Card) item;
+        Presenter presenter = presenters.get(card.getType());
+        if (presenter == null) {
+            switch (card.getType()) {
+                case SINGLE_LINE:
+                    presenter = new SingleLineCardPresenter(mContext);
+                    break;
+                case MOVIE:
+                case MOVIE_BASE:
+                case MOVIE_COMPLETE:
+                case SQUARE_BIG:
+                case GRID_SQUARE:
+                case GAME: {
+                    int style = R.style.MovieCardSimpleStyle;
+                    if (card.getType() == Card.Type.MOVIE_BASE) {
+                        style = R.style.MovieCardBasicStyle;
+                    } else if (card.getType() == Card.Type.MOVIE_COMPLETE) {
+                        style = R.style.MovieCardCompleteStyle;
+                    } else if (card.getType() == Card.Type.SQUARE_BIG) {
+                        style = R.style.SquareBigCard;
+                    } else if (card.getType() == Card.Type.GRID_SQUARE) {
+                        style = R.style.GridCardStyle;
+                    } else if (card.getType() == Card.Type.GAME) {
+                        style = R.style.GameCardStyle;
+                    }
+                    presenter = new ImageCardViewPresenter(mContext, style);
+                    break;
+                }
+                case SIDE_INFO:
+                    presenter = new SideInfoCardPresenter(mContext);
+                    break;
+                case TEXT:
+                    presenter = new TextCardPresenter(mContext);
+                    break;
+                case ICON:
+                    presenter = new IconCardPresenter(mContext);
+                    break;
+                case CHARACTER:
+                    presenter = new CharacterCardPresenter(mContext);
+                    break;
+                default:
+                    presenter = new ImageCardViewPresenter(mContext);
+                    break;
+            }
+        }
+        presenters.put(card.getType(), presenter);
+        return presenter;
+    }
+
+}