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      1 /* This file is auto-generated from SearchFragment.java.  DO NOT MODIFY. */
      2 
      3 package com.example.android.leanback;
      4 
      5 import android.content.Intent;
      6 import android.os.Bundle;
      7 import android.os.Handler;
      8 import android.support.v4.app.ActivityOptionsCompat;
      9 import android.support.v17.leanback.widget.ArrayObjectAdapter;
     10 import android.support.v17.leanback.widget.HeaderItem;
     11 import android.support.v17.leanback.widget.ImageCardView;
     12 import android.support.v17.leanback.widget.ListRow;
     13 import android.support.v17.leanback.widget.ListRowPresenter;
     14 import android.support.v17.leanback.widget.ObjectAdapter;
     15 import android.support.v17.leanback.widget.OnItemViewClickedListener;
     16 import android.support.v17.leanback.widget.Presenter;
     17 import android.support.v17.leanback.widget.Row;
     18 import android.support.v17.leanback.widget.RowPresenter;
     19 import android.text.TextUtils;
     20 import android.util.Log;
     21 
     22 public class SearchSupportFragment extends android.support.v17.leanback.app.SearchSupportFragment
     23     implements android.support.v17.leanback.app.SearchSupportFragment.SearchResultProvider {
     24     private static final String TAG = "leanback.SearchSupportFragment";
     25     private static final int NUM_ROWS = 3;
     26     private static final int SEARCH_DELAY_MS = 1000;
     27 
     28     private ArrayObjectAdapter mRowsAdapter;
     29     private Handler mHandler = new Handler();
     30     private String mQuery;
     31 
     32     @Override
     33     public void onCreate(Bundle savedInstanceState) {
     34         super.onCreate(savedInstanceState);
     35 
     36         mRowsAdapter = new ArrayObjectAdapter(new ListRowPresenter());
     37 
     38         setBadgeDrawable(getActivity().getResources().getDrawable(R.drawable.ic_title));
     39         setTitle("Leanback Sample App");
     40         setSearchResultProvider(this);
     41         setOnItemViewClickedListener(new ItemViewClickedListener());
     42     }
     43 
     44     @Override
     45     public ObjectAdapter getResultsAdapter() {
     46         return mRowsAdapter;
     47     }
     48 
     49     @Override
     50     public boolean onQueryTextChange(String newQuery) {
     51         Log.i(TAG, String.format("Search Query Text Change %s", newQuery));
     52         mRowsAdapter.clear();
     53         loadQuery(newQuery);
     54         return true;
     55     }
     56 
     57     @Override
     58     public boolean onQueryTextSubmit(String query) {
     59         Log.i(TAG, String.format("Search Query Text Submit %s", query));
     60         mRowsAdapter.clear();
     61         loadQuery(query);
     62         return true;
     63     }
     64 
     65     private void loadQuery(String query) {
     66         mQuery = query;
     67         mHandler.removeCallbacks(mDelayedLoad);
     68         if (!TextUtils.isEmpty(query) && !query.equals("nil")) {
     69             mHandler.postDelayed(mDelayedLoad, SEARCH_DELAY_MS);
     70         }
     71     }
     72 
     73     private void loadRows() {
     74         for (int i = 0; i < NUM_ROWS; ++i) {
     75             ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(new CardPresenter());
     76             listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_1));
     77             listRowAdapter.add(new PhotoItem("This is a test", R.drawable.gallery_photo_2));
     78             HeaderItem header = new HeaderItem(i, mQuery + " results row " + i);
     79             mRowsAdapter.add(new ListRow(header, listRowAdapter));
     80         }
     81     }
     82 
     83     private Runnable mDelayedLoad = new Runnable() {
     84         @Override
     85         public void run() {
     86             loadRows();
     87         }
     88     };
     89 
     90     private final class ItemViewClickedListener implements OnItemViewClickedListener {
     91         @Override
     92         public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item,
     93                 RowPresenter.ViewHolder rowViewHolder, Row row) {
     94             Intent intent = new Intent(getActivity(), DetailsSupportActivity.class);
     95             intent.putExtra(DetailsSupportActivity.EXTRA_ITEM, (PhotoItem) item);
     96 
     97             Bundle bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(
     98                     getActivity(),
     99                     ((ImageCardView)itemViewHolder.view).getMainImageView(),
    100                     DetailsSupportActivity.SHARED_ELEMENT_NAME).toBundle();
    101             getActivity().startActivity(intent, bundle);
    102         }
    103     }
    104 }
    105