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      1 // CHECKSTYLE:OFF Generated code
      2 /* This file is auto-generated from BrowseTestSupportFragment.java.  DO NOT MODIFY. */
      3 
      4 /*
      5  * Copyright (C) 2015 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  */
     17 package androidx.leanback.app;
     18 
     19 import static androidx.leanback.app.BrowseFragmentTestActivity.EXTRA_HEADERS_STATE;
     20 import static androidx.leanback.app.BrowseFragmentTestActivity.EXTRA_LOAD_DATA_DELAY;
     21 import static androidx.leanback.app.BrowseFragmentTestActivity.EXTRA_NUM_ROWS;
     22 import static androidx.leanback.app.BrowseFragmentTestActivity.EXTRA_REPEAT_PER_ROW;
     23 import static androidx.leanback.app.BrowseFragmentTestActivity.EXTRA_SET_ADAPTER_AFTER_DATA_LOAD;
     24 import static androidx.leanback.app.BrowseFragmentTestActivity.EXTRA_TEST_ENTRANCE_TRANSITION;
     25 
     26 import android.os.Bundle;
     27 import android.os.Handler;
     28 import android.util.Log;
     29 import android.view.View;
     30 
     31 import androidx.leanback.widget.ArrayObjectAdapter;
     32 import androidx.leanback.widget.HeaderItem;
     33 import androidx.leanback.widget.ListRow;
     34 import androidx.leanback.widget.ListRowPresenter;
     35 import androidx.leanback.widget.OnItemViewClickedListener;
     36 import androidx.leanback.widget.OnItemViewSelectedListener;
     37 import androidx.leanback.widget.Presenter;
     38 import androidx.leanback.widget.Row;
     39 import androidx.leanback.widget.RowPresenter;
     40 import androidx.leanback.widget.VerticalGridView;
     41 
     42 public class BrowseTestFragment extends BrowseFragment {
     43     private static final String TAG = "BrowseTestFragment";
     44 
     45     final static int DEFAULT_NUM_ROWS = 100;
     46     final static int DEFAULT_REPEAT_PER_ROW = 20;
     47     final static long DEFAULT_LOAD_DATA_DELAY = 2000;
     48     final static boolean DEFAULT_TEST_ENTRANCE_TRANSITION = true;
     49     final static boolean DEFAULT_SET_ADAPTER_AFTER_DATA_LOAD = false;
     50 
     51     private ArrayObjectAdapter mRowsAdapter;
     52 
     53     // For good performance, it's important to use a single instance of
     54     // a card presenter for all rows using that presenter.
     55     final static StringPresenter sCardPresenter = new StringPresenter();
     56 
     57     int NUM_ROWS;
     58     int REPEAT_PER_ROW;
     59     boolean mEntranceTransitionStarted;
     60     boolean mEntranceTransitionEnded;
     61 
     62     @Override
     63     public void onCreate(Bundle savedInstanceState) {
     64         Log.i(TAG, "onCreate");
     65         super.onCreate(savedInstanceState);
     66 
     67         Bundle arguments = getArguments();
     68         NUM_ROWS = arguments.getInt(EXTRA_NUM_ROWS, BrowseTestFragment.DEFAULT_NUM_ROWS);
     69         REPEAT_PER_ROW = arguments.getInt(EXTRA_REPEAT_PER_ROW,
     70                 DEFAULT_REPEAT_PER_ROW);
     71         long LOAD_DATA_DELAY = arguments.getLong(EXTRA_LOAD_DATA_DELAY,
     72                 DEFAULT_LOAD_DATA_DELAY);
     73         boolean TEST_ENTRANCE_TRANSITION = arguments.getBoolean(
     74                 EXTRA_TEST_ENTRANCE_TRANSITION,
     75                 DEFAULT_TEST_ENTRANCE_TRANSITION);
     76         final boolean SET_ADAPTER_AFTER_DATA_LOAD = arguments.getBoolean(
     77                 EXTRA_SET_ADAPTER_AFTER_DATA_LOAD,
     78                 DEFAULT_SET_ADAPTER_AFTER_DATA_LOAD);
     79 
     80         if (!SET_ADAPTER_AFTER_DATA_LOAD) {
     81             setupRows();
     82         }
     83 
     84         setTitle("BrowseTestFragment");
     85         setHeadersState(arguments.getInt(EXTRA_HEADERS_STATE, HEADERS_ENABLED));
     86 
     87         setOnSearchClickedListener(new View.OnClickListener() {
     88             @Override
     89             public void onClick(View view) {
     90                 Log.i(TAG, "onSearchClicked");
     91             }
     92         });
     93 
     94         setOnItemViewClickedListener(new ItemViewClickedListener());
     95         setOnItemViewSelectedListener(new OnItemViewSelectedListener() {
     96             @Override
     97             public void onItemSelected(Presenter.ViewHolder itemViewHolder, Object item,
     98                     RowPresenter.ViewHolder rowViewHolder, Row row) {
     99                 Log.i(TAG, "onItemSelected: " + item + " row " + row);
    100             }
    101         });
    102         if (TEST_ENTRANCE_TRANSITION) {
    103             // don't run entrance transition if fragment is restored.
    104             if (savedInstanceState == null) {
    105                 prepareEntranceTransition();
    106             }
    107         }
    108         // simulates in a real world use case  data being loaded two seconds later
    109         new Handler().postDelayed(new Runnable() {
    110             @Override
    111             public void run() {
    112                 if (getActivity() == null || getActivity().isDestroyed()) {
    113                     return;
    114                 }
    115                 if (SET_ADAPTER_AFTER_DATA_LOAD) {
    116                     setupRows();
    117                 }
    118                 loadData();
    119                 startEntranceTransition();
    120             }
    121         }, LOAD_DATA_DELAY);
    122     }
    123 
    124     private void setupRows() {
    125         ListRowPresenter lrp = new ListRowPresenter();
    126 
    127         mRowsAdapter = new ArrayObjectAdapter(lrp);
    128 
    129         setAdapter(mRowsAdapter);
    130     }
    131 
    132     @Override
    133     protected void onEntranceTransitionStart() {
    134         super.onEntranceTransitionStart();
    135         mEntranceTransitionStarted = true;
    136     }
    137 
    138     @Override
    139     protected void onEntranceTransitionEnd() {
    140         super.onEntranceTransitionEnd();
    141         mEntranceTransitionEnded = true;
    142     }
    143 
    144     private void loadData() {
    145         for (int i = 0; i < NUM_ROWS; ++i) {
    146             ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(sCardPresenter);
    147             int index = 0;
    148             for (int j = 0; j < REPEAT_PER_ROW; ++j) {
    149                 listRowAdapter.add("Hello world-" + (index++));
    150                 listRowAdapter.add("This is a test-" + (index++));
    151                 listRowAdapter.add("Android TV-" + (index++));
    152                 listRowAdapter.add("Leanback-" + (index++));
    153                 listRowAdapter.add("Hello world-" + (index++));
    154                 listRowAdapter.add("Android TV-" + (index++));
    155                 listRowAdapter.add("Leanback-" + (index++));
    156                 listRowAdapter.add("GuidedStepFragment-" + (index++));
    157             }
    158             HeaderItem header = new HeaderItem(i, "Row " + i);
    159             mRowsAdapter.add(new ListRow(header, listRowAdapter));
    160         }
    161     }
    162 
    163     private final class ItemViewClickedListener implements OnItemViewClickedListener {
    164         @Override
    165         public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item,
    166                 RowPresenter.ViewHolder rowViewHolder, Row row) {
    167             Log.i(TAG, "onItemClicked: " + item + " row " + row);
    168         }
    169     }
    170 
    171     public VerticalGridView getGridView() {
    172         return getRowsFragment().getVerticalGridView();
    173     }
    174 }
    175