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/*
* 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;
}
}
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