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 */
14package com.example.android.leanback;
15
16import android.content.Context;
17import android.content.Intent;
18import android.os.Bundle;
19import android.os.Handler;
20import android.util.Log;
21import android.view.View;
22import android.widget.Toast;
23
24import androidx.core.app.ActivityOptionsCompat;
25import androidx.core.content.res.ResourcesCompat;
26import androidx.leanback.widget.Action;
27import androidx.leanback.widget.ArrayObjectAdapter;
28import androidx.leanback.widget.ClassPresenterSelector;
29import androidx.leanback.widget.DetailsOverviewRow;
30import androidx.leanback.widget.DetailsOverviewRowPresenter;
31import androidx.leanback.widget.HeaderItem;
32import androidx.leanback.widget.ImageCardView;
33import androidx.leanback.widget.ListRow;
34import androidx.leanback.widget.ListRowPresenter;
35import androidx.leanback.widget.OnActionClickedListener;
36import androidx.leanback.widget.OnItemViewClickedListener;
37import androidx.leanback.widget.OnItemViewSelectedListener;
38import androidx.leanback.widget.Presenter;
39import androidx.leanback.widget.Row;
40import androidx.leanback.widget.RowPresenter;
41import androidx.leanback.widget.SparseArrayObjectAdapter;
42
43public class DetailsFragment extends androidx.leanback.app.DetailsFragment {
44    private static final String TAG = "leanback.DetailsFragment";
45    private static final String ITEM = "item";
46
47    private static final int NUM_ROWS = 3;
48    private ArrayObjectAdapter mRowsAdapter;
49    private PhotoItem mPhotoItem;
50    final CardPresenter cardPresenter = new CardPresenter();
51    private BackgroundHelper mBackgroundHelper;
52
53    private static final int ACTION_PLAY = 1;
54    private static final int ACTION_RENT = 2;
55    private static final int ACTION_BUY = 3;
56
57    private static final boolean TEST_SHARED_ELEMENT_TRANSITION = true;
58    private static final boolean TEST_ENTRANCE_TRANSITION = true;
59
60    private static final long TIME_TO_LOAD_OVERVIEW_ROW_MS = 1000;
61    private static final long TIME_TO_LOAD_RELATED_ROWS_MS = 2000;
62
63    private Action mActionPlay;
64    private Action mActionRent;
65    private Action mActionBuy;
66
67    @Override
68    public void onCreate(Bundle savedInstanceState) {
69        Log.i(TAG, "onCreate");
70        super.onCreate(savedInstanceState);
71
72        mBackgroundHelper = new BackgroundHelper(getActivity());
73        mBackgroundHelper.attachToWindow();
74
75        Context context = getActivity();
76        setBadgeDrawable(ResourcesCompat.getDrawable(context.getResources(),
77                R.drawable.ic_title, context.getTheme()));
78        setTitle("Leanback Sample App");
79        setOnSearchClickedListener(new View.OnClickListener() {
80            @Override
81            public void onClick(View view) {
82                Intent intent = new Intent(getActivity(), SearchActivity.class);
83                startActivity(intent);
84            }
85        });
86
87        mActionPlay = new Action(ACTION_PLAY, "Play");
88        mActionRent = new Action(ACTION_RENT, "Rent", "$3.99", ResourcesCompat.getDrawable(
89                context.getResources(), R.drawable.ic_action_a, context.getTheme()));
90        mActionBuy = new Action(ACTION_BUY, "Buy $9.99");
91
92        ClassPresenterSelector ps = new ClassPresenterSelector();
93        @SuppressWarnings("deprecation")
94        DetailsOverviewRowPresenter dorPresenter =
95                new DetailsOverviewRowPresenter(new DetailsDescriptionPresenter());
96        dorPresenter.setOnActionClickedListener(new OnActionClickedListener() {
97            @Override
98            public void onActionClicked(Action action) {
99                final Context context = getActivity();
100                Toast.makeText(context, action.toString(), Toast.LENGTH_SHORT).show();
101                DetailsOverviewRow dor = (DetailsOverviewRow) mRowsAdapter.get(0);
102                if (action.getId() == ACTION_BUY) {
103                    // on the UI thread, we can modify actions adapter directly
104                    SparseArrayObjectAdapter actions = (SparseArrayObjectAdapter)
105                            dor.getActionsAdapter();
106                    actions.set(ACTION_PLAY, mActionPlay);
107                    actions.clear(ACTION_RENT);
108                    actions.clear(ACTION_BUY);
109                    dor.setItem(mPhotoItem.getTitle() + "(Owned)");
110                    dor.setImageDrawable(ResourcesCompat.getDrawable(context.getResources(),
111                            R.drawable.details_img_16x9, context.getTheme()));
112                } else if (action.getId() == ACTION_RENT) {
113                    // on the UI thread, we can modify actions adapter directly
114                    SparseArrayObjectAdapter actions = (SparseArrayObjectAdapter)
115                            dor.getActionsAdapter();
116                    actions.set(ACTION_PLAY, mActionPlay);
117                    actions.clear(ACTION_RENT);
118                    dor.setItem(mPhotoItem.getTitle() + "(Rented)");
119                } else if (action.getId() == ACTION_PLAY) {
120                    Intent intent = new Intent(context, PlaybackActivity.class);
121                    getActivity().startActivity(intent);
122                }
123            }
124        });
125
126        ps.addClassPresenter(DetailsOverviewRow.class, dorPresenter);
127        ps.addClassPresenter(ListRow.class, new ListRowPresenter());
128
129        mRowsAdapter = new ArrayObjectAdapter(ps);
130        updateAdapter();
131
132        setOnItemViewClickedListener(new OnItemViewClickedListener() {
133            @Override
134            public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item,
135                    RowPresenter.ViewHolder rowViewHolder, Row row) {
136                Log.i(TAG, "onItemClicked: " + item + " row " + row);
137                if (item instanceof PhotoItem){
138                    Intent intent = new Intent(getActivity(), DetailsActivity.class);
139                    intent.putExtra(DetailsActivity.EXTRA_ITEM, (PhotoItem) item);
140
141                    Bundle bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(
142                            getActivity(),
143                            ((ImageCardView)itemViewHolder.view).getMainImageView(),
144                            DetailsActivity.SHARED_ELEMENT_NAME).toBundle();
145                    getActivity().startActivity(intent, bundle);
146                }
147            }
148        });
149        setOnItemViewSelectedListener(new OnItemViewSelectedListener() {
150            @Override
151            public void onItemSelected(Presenter.ViewHolder itemViewHolder, Object item,
152                    RowPresenter.ViewHolder rowViewHolder, Row row) {
153                Log.i(TAG, "onItemSelected: " + item + " row " + row);
154            }
155        });
156
157        if (TEST_SHARED_ELEMENT_TRANSITION) {
158            dorPresenter.setSharedElementEnterTransition(getActivity(),
159                    DetailsActivity.SHARED_ELEMENT_NAME);
160        }
161        if (TEST_ENTRANCE_TRANSITION) {
162            // don't run entrance transition if Activity is restored.
163            if (savedInstanceState == null) {
164                prepareEntranceTransition();
165            }
166        }
167    }
168
169
170    @Override
171    public void onSaveInstanceState(Bundle outState) {
172        super.onSaveInstanceState(outState);
173        outState.putParcelable(ITEM, mPhotoItem);
174    }
175
176    public void setItem(PhotoItem photoItem) {
177        mPhotoItem = photoItem;
178        updateAdapter();
179    }
180
181    void updateAdapter() {
182        if (mRowsAdapter == null) {
183            return;
184        }
185        mRowsAdapter.clear();
186        new Handler().postDelayed(new Runnable() {
187            @Override
188            public void run() {
189                final Context context = getActivity();
190                DetailsOverviewRow dor = new DetailsOverviewRow(mPhotoItem.getTitle());
191                dor.setImageDrawable(ResourcesCompat.getDrawable(context.getResources(),
192                        mPhotoItem.getImageResourceId(), context.getTheme()));
193                SparseArrayObjectAdapter adapter = new SparseArrayObjectAdapter();
194                adapter.set(ACTION_RENT, mActionRent);
195                adapter.set(ACTION_BUY, mActionBuy);
196                dor.setActionsAdapter(adapter);
197                mRowsAdapter.add(0, dor);
198                setSelectedPosition(0, false);
199            }
200        }, TIME_TO_LOAD_OVERVIEW_ROW_MS);
201
202        new Handler().postDelayed(new Runnable() {
203            @Override
204            public void run() {
205                for (int i = 0; i < NUM_ROWS; ++i) {
206                    ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(cardPresenter);
207                    listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_1));
208                    listRowAdapter.add(new PhotoItem("This is a test", R.drawable.gallery_photo_2));
209                    listRowAdapter.add(new PhotoItem("Android TV", R.drawable.gallery_photo_3));
210                    listRowAdapter.add(new PhotoItem("Leanback", R.drawable.gallery_photo_4));
211                    HeaderItem header = new HeaderItem(i, "Row " + i);
212                    mRowsAdapter.add(new ListRow(header, listRowAdapter));
213                }
214                if (TEST_ENTRANCE_TRANSITION) {
215                    startEntranceTransition();
216                }
217            }
218        }, TIME_TO_LOAD_RELATED_ROWS_MS);
219        setAdapter(mRowsAdapter);
220    }
221
222    @Override
223    public void onStart() {
224        super.onStart();
225        if (mPhotoItem != null) {
226            mBackgroundHelper.setBackground(mPhotoItem.getImageResourceId());
227        }
228    }
229}
230