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      1 /*
      2  * Copyright (C) 2014 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
      5  * in compliance with the License. You may obtain a copy of the License at
      6  *
      7  * http://www.apache.org/licenses/LICENSE-2.0
      8  *
      9  * Unless required by applicable law or agreed to in writing, software distributed under the License
     10  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
     11  * or implied. See the License for the specific language governing permissions and limitations under
     12  * the License.
     13  */
     14 package com.example.android.leanback;
     15 
     16 import android.content.Context;
     17 import android.content.Intent;
     18 import android.os.Bundle;
     19 import android.os.Handler;
     20 import android.support.v17.leanback.widget.Action;
     21 import android.support.v17.leanback.widget.ArrayObjectAdapter;
     22 import android.support.v17.leanback.widget.ClassPresenterSelector;
     23 import android.support.v17.leanback.widget.DetailsOverviewRow;
     24 import android.support.v17.leanback.widget.DetailsOverviewRowPresenter;
     25 import android.support.v17.leanback.widget.HeaderItem;
     26 import android.support.v17.leanback.widget.ImageCardView;
     27 import android.support.v17.leanback.widget.ListRow;
     28 import android.support.v17.leanback.widget.ListRowPresenter;
     29 import android.support.v17.leanback.widget.OnActionClickedListener;
     30 import android.support.v17.leanback.widget.OnItemViewClickedListener;
     31 import android.support.v17.leanback.widget.OnItemViewSelectedListener;
     32 import android.support.v17.leanback.widget.Presenter;
     33 import android.support.v17.leanback.widget.Row;
     34 import android.support.v17.leanback.widget.RowPresenter;
     35 import android.support.v17.leanback.widget.SparseArrayObjectAdapter;
     36 import android.support.v4.app.ActivityOptionsCompat;
     37 import android.support.v4.content.res.ResourcesCompat;
     38 import android.util.Log;
     39 import android.view.View;
     40 import android.widget.Toast;
     41 
     42 public class DetailsFragment extends android.support.v17.leanback.app.DetailsFragment {
     43     private static final String TAG = "leanback.DetailsFragment";
     44     private static final String ITEM = "item";
     45 
     46     private static final int NUM_ROWS = 3;
     47     private ArrayObjectAdapter mRowsAdapter;
     48     private PhotoItem mPhotoItem;
     49     final CardPresenter cardPresenter = new CardPresenter();
     50     private BackgroundHelper mBackgroundHelper;
     51 
     52     private static final int ACTION_PLAY = 1;
     53     private static final int ACTION_RENT = 2;
     54     private static final int ACTION_BUY = 3;
     55 
     56     private static final boolean TEST_SHARED_ELEMENT_TRANSITION = true;
     57     private static final boolean TEST_ENTRANCE_TRANSITION = true;
     58 
     59     private static final long TIME_TO_LOAD_OVERVIEW_ROW_MS = 1000;
     60     private static final long TIME_TO_LOAD_RELATED_ROWS_MS = 2000;
     61 
     62     private Action mActionPlay;
     63     private Action mActionRent;
     64     private Action mActionBuy;
     65 
     66     @Override
     67     public void onCreate(Bundle savedInstanceState) {
     68         Log.i(TAG, "onCreate");
     69         super.onCreate(savedInstanceState);
     70 
     71         mBackgroundHelper = new BackgroundHelper(getActivity());
     72         mBackgroundHelper.attachToWindow();
     73 
     74         Context context = getActivity();
     75         setBadgeDrawable(ResourcesCompat.getDrawable(context.getResources(),
     76                 R.drawable.ic_title, context.getTheme()));
     77         setTitle("Leanback Sample App");
     78         setOnSearchClickedListener(new View.OnClickListener() {
     79             @Override
     80             public void onClick(View view) {
     81                 Intent intent = new Intent(getActivity(), SearchActivity.class);
     82                 startActivity(intent);
     83             }
     84         });
     85 
     86         mActionPlay = new Action(ACTION_PLAY, "Play");
     87         mActionRent = new Action(ACTION_RENT, "Rent", "$3.99", ResourcesCompat.getDrawable(
     88                 context.getResources(), R.drawable.ic_action_a, context.getTheme()));
     89         mActionBuy = new Action(ACTION_BUY, "Buy $9.99");
     90 
     91         ClassPresenterSelector ps = new ClassPresenterSelector();
     92         @SuppressWarnings("deprecation")
     93         DetailsOverviewRowPresenter dorPresenter =
     94                 new DetailsOverviewRowPresenter(new DetailsDescriptionPresenter());
     95         dorPresenter.setOnActionClickedListener(new OnActionClickedListener() {
     96             @Override
     97             public void onActionClicked(Action action) {
     98                 final Context context = getActivity();
     99                 Toast.makeText(context, action.toString(), Toast.LENGTH_SHORT).show();
    100                 DetailsOverviewRow dor = (DetailsOverviewRow) mRowsAdapter.get(0);
    101                 if (action.getId() == ACTION_BUY) {
    102                     // on the UI thread, we can modify actions adapter directly
    103                     SparseArrayObjectAdapter actions = (SparseArrayObjectAdapter)
    104                             dor.getActionsAdapter();
    105                     actions.set(ACTION_PLAY, mActionPlay);
    106                     actions.clear(ACTION_RENT);
    107                     actions.clear(ACTION_BUY);
    108                     dor.setItem(mPhotoItem.getTitle() + "(Owned)");
    109                     dor.setImageDrawable(ResourcesCompat.getDrawable(context.getResources(),
    110                             R.drawable.details_img_16x9, context.getTheme()));
    111                 } else if (action.getId() == ACTION_RENT) {
    112                     // on the UI thread, we can modify actions adapter directly
    113                     SparseArrayObjectAdapter actions = (SparseArrayObjectAdapter)
    114                             dor.getActionsAdapter();
    115                     actions.set(ACTION_PLAY, mActionPlay);
    116                     actions.clear(ACTION_RENT);
    117                     dor.setItem(mPhotoItem.getTitle() + "(Rented)");
    118                 } else if (action.getId() == ACTION_PLAY) {
    119                     Intent intent = new Intent(context, PlaybackOverlayActivity.class);
    120                     getActivity().startActivity(intent);
    121                 }
    122             }
    123         });
    124 
    125         ps.addClassPresenter(DetailsOverviewRow.class, dorPresenter);
    126         ps.addClassPresenter(ListRow.class, new ListRowPresenter());
    127 
    128         mRowsAdapter = new ArrayObjectAdapter(ps);
    129         updateAdapter();
    130 
    131         setOnItemViewClickedListener(new OnItemViewClickedListener() {
    132             @Override
    133             public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item,
    134                     RowPresenter.ViewHolder rowViewHolder, Row row) {
    135                 Log.i(TAG, "onItemClicked: " + item + " row " + row);
    136                 if (item instanceof PhotoItem){
    137                     Intent intent = new Intent(getActivity(), DetailsActivity.class);
    138                     intent.putExtra(DetailsActivity.EXTRA_ITEM, (PhotoItem) item);
    139 
    140                     Bundle bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(
    141                             getActivity(),
    142                             ((ImageCardView)itemViewHolder.view).getMainImageView(),
    143                             DetailsActivity.SHARED_ELEMENT_NAME).toBundle();
    144                     getActivity().startActivity(intent, bundle);
    145                 }
    146             }
    147         });
    148         setOnItemViewSelectedListener(new OnItemViewSelectedListener() {
    149             @Override
    150             public void onItemSelected(Presenter.ViewHolder itemViewHolder, Object item,
    151                     RowPresenter.ViewHolder rowViewHolder, Row row) {
    152                 Log.i(TAG, "onItemSelected: " + item + " row " + row);
    153             }
    154         });
    155 
    156         if (TEST_SHARED_ELEMENT_TRANSITION) {
    157             dorPresenter.setSharedElementEnterTransition(getActivity(),
    158                     DetailsActivity.SHARED_ELEMENT_NAME);
    159         }
    160         if (TEST_ENTRANCE_TRANSITION) {
    161             // don't run entrance transition if Activity is restored.
    162             if (savedInstanceState == null) {
    163                 prepareEntranceTransition();
    164             }
    165         }
    166     }
    167 
    168 
    169     @Override
    170     public void onSaveInstanceState(Bundle outState) {
    171         super.onSaveInstanceState(outState);
    172         outState.putParcelable(ITEM, mPhotoItem);
    173     }
    174 
    175     public void setItem(PhotoItem photoItem) {
    176         mPhotoItem = photoItem;
    177         updateAdapter();
    178     }
    179 
    180     void updateAdapter() {
    181         if (mRowsAdapter == null) {
    182             return;
    183         }
    184         mRowsAdapter.clear();
    185         new Handler().postDelayed(new Runnable() {
    186             @Override
    187             public void run() {
    188                 final Context context = getActivity();
    189                 DetailsOverviewRow dor = new DetailsOverviewRow(mPhotoItem.getTitle());
    190                 dor.setImageDrawable(ResourcesCompat.getDrawable(context.getResources(),
    191                         mPhotoItem.getImageResourceId(), context.getTheme()));
    192                 SparseArrayObjectAdapter adapter = new SparseArrayObjectAdapter();
    193                 adapter.set(ACTION_RENT, mActionRent);
    194                 adapter.set(ACTION_BUY, mActionBuy);
    195                 dor.setActionsAdapter(adapter);
    196                 mRowsAdapter.add(0, dor);
    197                 setSelectedPosition(0, false);
    198             }
    199         }, TIME_TO_LOAD_OVERVIEW_ROW_MS);
    200 
    201         new Handler().postDelayed(new Runnable() {
    202             @Override
    203             public void run() {
    204                 for (int i = 0; i < NUM_ROWS; ++i) {
    205                     ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(cardPresenter);
    206                     listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_1));
    207                     listRowAdapter.add(new PhotoItem("This is a test", R.drawable.gallery_photo_2));
    208                     listRowAdapter.add(new PhotoItem("Android TV", R.drawable.gallery_photo_3));
    209                     listRowAdapter.add(new PhotoItem("Leanback", R.drawable.gallery_photo_4));
    210                     HeaderItem header = new HeaderItem(i, "Row " + i);
    211                     mRowsAdapter.add(new ListRow(header, listRowAdapter));
    212                 }
    213                 if (TEST_ENTRANCE_TRANSITION) {
    214                     startEntranceTransition();
    215                 }
    216             }
    217         }, TIME_TO_LOAD_RELATED_ROWS_MS);
    218         setAdapter(mRowsAdapter);
    219     }
    220 
    221     @Override
    222     public void onStart() {
    223         super.onStart();
    224         if (mPhotoItem != null) {
    225             mBackgroundHelper.setBackground(mPhotoItem.getImageResourceId());
    226         }
    227     }
    228 }
    229