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.support.v17.leanback.widget.Action;
21import android.support.v17.leanback.widget.ArrayObjectAdapter;
22import android.support.v17.leanback.widget.ClassPresenterSelector;
23import android.support.v17.leanback.widget.DetailsOverviewRow;
24import android.support.v17.leanback.widget.DetailsOverviewRowPresenter;
25import android.support.v17.leanback.widget.HeaderItem;
26import android.support.v17.leanback.widget.ImageCardView;
27import android.support.v17.leanback.widget.ListRow;
28import android.support.v17.leanback.widget.ListRowPresenter;
29import android.support.v17.leanback.widget.OnActionClickedListener;
30import android.support.v17.leanback.widget.OnItemViewClickedListener;
31import android.support.v17.leanback.widget.OnItemViewSelectedListener;
32import android.support.v17.leanback.widget.Presenter;
33import android.support.v17.leanback.widget.Row;
34import android.support.v17.leanback.widget.RowPresenter;
35import android.support.v17.leanback.widget.SparseArrayObjectAdapter;
36import android.support.v4.app.ActivityOptionsCompat;
37import android.support.v4.content.res.ResourcesCompat;
38import android.util.Log;
39import android.view.View;
40import android.widget.Toast;
41
42public 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, PlaybackActivity.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