1// CHECKSTYLE:OFF Generated code
2/* This file is auto-generated from RowsFragment.java.  DO NOT MODIFY. */
3
4/*
5 * Copyright (C) 2014 The Android Open Source Project
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
8 * in compliance with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software distributed under the License
13 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
14 * or implied. See the License for the specific language governing permissions and limitations under
15 * the License.
16 */
17package com.example.android.leanback;
18
19import android.content.Intent;
20import android.os.Bundle;
21import android.support.v17.leanback.widget.ArrayObjectAdapter;
22import android.support.v17.leanback.widget.HeaderItem;
23import android.support.v17.leanback.widget.ImageCardView;
24import android.support.v17.leanback.widget.ListRow;
25import android.support.v17.leanback.widget.ListRowPresenter;
26import android.support.v17.leanback.widget.OnItemViewClickedListener;
27import android.support.v17.leanback.widget.OnItemViewSelectedListener;
28import android.support.v17.leanback.widget.Presenter;
29import android.support.v17.leanback.widget.Row;
30import android.support.v17.leanback.widget.RowPresenter;
31import android.support.v17.leanback.widget.TitleHelper;
32import android.support.v4.app.ActivityOptionsCompat;
33import android.util.Log;
34
35public class RowsSupportFragment extends android.support.v17.leanback.app.RowsSupportFragment {
36
37    private static final String TAG = "leanback.RowsSupportFragment";
38
39    private static final int NUM_ROWS = 10;
40    // Row heights default to wrap content
41    private static final boolean USE_FIXED_ROW_HEIGHT = false;
42
43    private TitleHelper mTitleHelper;
44
45    public void setTitleHelper(TitleHelper titleHelper) {
46        mTitleHelper = titleHelper;
47    }
48
49    @Override
50    public void onCreate(Bundle savedInstanceState) {
51        Log.i(TAG, "onCreate");
52        super.onCreate(savedInstanceState);
53
54        setupRows();
55        setOnItemViewClickedListener(new ItemViewClickedListener());
56        setOnItemViewSelectedListener(new OnItemViewSelectedListener() {
57            @Override
58            public void onItemSelected(Presenter.ViewHolder itemViewHolder, Object item,
59                    RowPresenter.ViewHolder rowViewHolder, Row row) {
60                Log.i(TAG, "onItemSelected: " + item + " row " + row);
61                if (mTitleHelper != null) {
62                    mTitleHelper.showTitle(getAdapter() == null || getAdapter().size() == 0 ||
63                            getAdapter().get(0) == row);
64                }
65            }
66        });
67    }
68
69    private void setupRows() {
70        ListRowPresenter lrp = new ListRowPresenter();
71
72        // For good performance, it's important to use a single instance of
73        // a card presenter for all rows using that presenter.
74        final CardPresenter cardPresenter = new CardPresenter();
75
76        if (USE_FIXED_ROW_HEIGHT) {
77            lrp.setRowHeight(cardPresenter.getRowHeight(getActivity()));
78            lrp.setExpandedRowHeight(cardPresenter.getExpandedRowHeight(getActivity()));
79        }
80
81        ArrayObjectAdapter rowsAdapter = new ArrayObjectAdapter(lrp);
82
83        for (int i = 0; i < NUM_ROWS; ++i) {
84            ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(cardPresenter);
85            listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_1));
86            listRowAdapter.add(new PhotoItem("This is a test", R.drawable.gallery_photo_2));
87            listRowAdapter.add(new PhotoItem("Android TV", R.drawable.gallery_photo_3));
88            listRowAdapter.add(new PhotoItem("Leanback", R.drawable.gallery_photo_4));
89            listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_5));
90            listRowAdapter.add(new PhotoItem("This is a test", R.drawable.gallery_photo_6));
91            listRowAdapter.add(new PhotoItem("Android TV", R.drawable.gallery_photo_7));
92            listRowAdapter.add(new PhotoItem("Leanback", R.drawable.gallery_photo_8));
93            HeaderItem header = new HeaderItem(i, "Row " + i);
94            rowsAdapter.add(new ListRow(header, listRowAdapter));
95        }
96
97        setAdapter(rowsAdapter);
98    }
99
100    private final class ItemViewClickedListener implements OnItemViewClickedListener {
101        @Override
102        public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item,
103                RowPresenter.ViewHolder rowViewHolder, Row row) {
104            Intent intent = new Intent(getActivity(), DetailsSupportActivity.class);
105            intent.putExtra(DetailsSupportActivity.EXTRA_ITEM, (PhotoItem) item);
106
107            Bundle bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(
108                    getActivity(),
109                    ((ImageCardView)itemViewHolder.view).getMainImageView(),
110                    DetailsSupportActivity.SHARED_ELEMENT_NAME).toBundle();
111            getActivity().startActivity(intent, bundle);
112        }
113    }
114}
115