DetailsFragment.java revision af136b73e6c8e377914e494f9870da1618be20d0 
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.Intent;
17import android.content.res.Resources;
18import android.os.Bundle;
19import android.os.Handler;
20import android.support.v4.app.ActivityOptionsCompat;
21import android.support.v17.leanback.widget.Action;
22import android.support.v17.leanback.widget.ArrayObjectAdapter;
23import android.support.v17.leanback.widget.ClassPresenterSelector;
24import android.support.v17.leanback.widget.DetailsOverviewRow;
25import android.support.v17.leanback.widget.DetailsOverviewRowPresenter;
26import android.support.v17.leanback.widget.HeaderItem;
27import android.support.v17.leanback.widget.ImageCardView;
28import android.support.v17.leanback.widget.ListRow;
29import android.support.v17.leanback.widget.ListRowPresenter;
30import android.support.v17.leanback.widget.OnActionClickedListener;
31import android.support.v17.leanback.widget.OnItemViewClickedListener;
32import android.support.v17.leanback.widget.OnItemViewSelectedListener;
33import android.support.v17.leanback.widget.Presenter;
34import android.support.v17.leanback.widget.Row;
35import android.support.v17.leanback.widget.RowPresenter;
36import android.util.Log;
37import android.widget.Toast;
38
39public class DetailsFragment extends android.support.v17.leanback.app.DetailsFragment {
40    private static final String TAG = "leanback.DetailsFragment";
41    private static final String ITEM = "item";
42
43    private static final int NUM_ROWS = 3;
44    private ArrayObjectAdapter mRowsAdapter;
45    private PhotoItem mPhotoItem;
46    final CardPresenter cardPresenter = new CardPresenter();
47    private BackgroundHelper mBackgroundHelper = new BackgroundHelper();
48
49    private static final int ACTION_BUY = 1;
50    private static final int ACTION_RENT = 2;
51    private static final int ACTION_PLAY = 3;
52
53    private static final boolean TEST_SHARED_ELEMENT_TRANSITION = true;
54    private static final boolean TEST_ENTRANCE_TRANSITION = true;
55
56    private static final long TIME_TO_LOAD_OVERVIEW_ROW_MS = 1000;
57    private static final long TIME_TO_LOAD_RELATED_ROWS_MS = 2000;
58
59    @Override
60    public void onCreate(Bundle savedInstanceState) {
61        Log.i(TAG, "onCreate");
62        super.onCreate(savedInstanceState);
63
64        ClassPresenterSelector ps = new ClassPresenterSelector();
65        DetailsOverviewRowPresenter dorPresenter =
66                new DetailsOverviewRowPresenter(new DetailsDescriptionPresenter());
67        dorPresenter.setOnActionClickedListener(new OnActionClickedListener() {
68            @Override
69            public void onActionClicked(Action action) {
70                Toast.makeText(getActivity(), action.toString(), Toast.LENGTH_SHORT).show();
71                if (action.getId() == ACTION_BUY) {
72                    DetailsOverviewRow dor = new DetailsOverviewRow(mPhotoItem.getTitle() + "(Owned)");
73                    dor.setImageDrawable(getResources().getDrawable(mPhotoItem.getImageResourceId()));
74                    dor.addAction(new Action(ACTION_PLAY, "Play"));
75                    mRowsAdapter.replace(0, dor);
76                } else if (action.getId() == ACTION_RENT) {
77                    DetailsOverviewRow dor = new DetailsOverviewRow(mPhotoItem.getTitle() + "(Rented)");
78                    dor.setImageDrawable(getResources().getDrawable(mPhotoItem.getImageResourceId()));
79                    dor.addAction(new Action(ACTION_PLAY, "Play"));
80                    dor.addAction(new Action(ACTION_BUY, "Buy $9.99"));
81                    mRowsAdapter.replace(0, dor);
82                } else if (action.getId() == ACTION_PLAY) {
83                    Intent intent = new Intent(getActivity(), PlaybackOverlayActivity.class);
84                    getActivity().startActivity(intent);
85                }
86            }
87        });
88
89        ps.addClassPresenter(DetailsOverviewRow.class, dorPresenter);
90        ps.addClassPresenter(ListRow.class, new ListRowPresenter());
91
92        mRowsAdapter = new ArrayObjectAdapter(ps);
93
94        PhotoItem item = (PhotoItem) (savedInstanceState != null ?
95                savedInstanceState.getParcelable(ITEM) : null);
96        if (item != null) {
97            setItem(item);
98        }
99
100        setOnItemViewClickedListener(new OnItemViewClickedListener() {
101            @Override
102            public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item,
103                    RowPresenter.ViewHolder rowViewHolder, Row row) {
104                Log.i(TAG, "onItemClicked: " + item + " row " + row);
105                if (item instanceof PhotoItem){
106                    Intent intent = new Intent(getActivity(), DetailsActivity.class);
107                    intent.putExtra(DetailsActivity.EXTRA_ITEM, (PhotoItem) item);
108
109                    Bundle bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(
110                            getActivity(),
111                            ((ImageCardView)itemViewHolder.view).getMainImageView(),
112                            DetailsActivity.SHARED_ELEMENT_NAME).toBundle();
113                    getActivity().startActivity(intent, bundle);
114                }
115            }
116        });
117        setOnItemViewSelectedListener(new OnItemViewSelectedListener() {
118            @Override
119            public void onItemSelected(Presenter.ViewHolder itemViewHolder, Object item,
120                    RowPresenter.ViewHolder rowViewHolder, Row row) {
121                Log.i(TAG, "onItemSelected: " + item + " row " + row);
122            }
123        });
124
125        if (TEST_SHARED_ELEMENT_TRANSITION) {
126            dorPresenter.setSharedElementEnterTransition(getActivity(),
127                    DetailsActivity.SHARED_ELEMENT_NAME);
128        }
129        if (TEST_ENTRANCE_TRANSITION) {
130            // don't run entrance transition if Activity is restored.
131            if (savedInstanceState == null) {
132                prepareEntranceTransition();
133            }
134        }
135
136        mBackgroundHelper.attach(getActivity());
137    }
138
139    @Override
140    public void onSaveInstanceState(Bundle outState) {
141        super.onSaveInstanceState(outState);
142        outState.putParcelable(ITEM, mPhotoItem);
143    }
144
145    public void setItem(PhotoItem photoItem) {
146        mPhotoItem = photoItem;
147
148        mRowsAdapter.clear();
149        new Handler().postDelayed(new Runnable() {
150            public void run() {
151                Resources res = getActivity().getResources();
152                DetailsOverviewRow dor = new DetailsOverviewRow(mPhotoItem.getTitle());
153                dor.setImageDrawable(res.getDrawable(mPhotoItem.getImageResourceId()));
154                dor.addAction(new Action(ACTION_BUY, "Buy $9.99"));
155                dor.addAction(new Action(ACTION_RENT, "Rent", "$3.99", res.getDrawable(R.drawable.ic_action_a)));
156                mRowsAdapter.add(0, dor);
157                setSelectedPosition(0, false);
158            }
159        }, TIME_TO_LOAD_OVERVIEW_ROW_MS);
160
161        new Handler().postDelayed(new Runnable() {
162            public void run() {
163                for (int i = 0; i < NUM_ROWS; ++i) {
164                    ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(cardPresenter);
165                    listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_1));
166                    listRowAdapter.add(new PhotoItem("This is a test", R.drawable.gallery_photo_2));
167                    listRowAdapter.add(new PhotoItem("Android TV", R.drawable.gallery_photo_3));
168                    listRowAdapter.add(new PhotoItem("Leanback", R.drawable.gallery_photo_4));
169                    HeaderItem header = new HeaderItem(i, "Row " + i);
170                    mRowsAdapter.add(new ListRow(header, listRowAdapter));
171                }
172                if (TEST_ENTRANCE_TRANSITION) {
173                    startEntranceTransition();
174                }
175            }
176        }, TIME_TO_LOAD_RELATED_ROWS_MS);
177        setAdapter(mRowsAdapter);
178    }
179
180}
181