DetailsFragment.java revision 6b35115058e555bc57a431b0b2bb6076a11ce010 
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
48    private static final int ACTION_BUY = 1;
49    private static final int ACTION_RENT = 2;
50    private static final int ACTION_PLAY = 3;
51
52    private static final boolean TEST_SHARED_ELEMENT_TRANSITION = true;
53    private static final boolean TEST_ENTRANCE_TRANSITION = true;
54
55    private static final long TIME_TO_LOAD_OVERVIEW_ROW_MS = 1000;
56    private static final long TIME_TO_LOAD_RELATED_ROWS_MS = 2000;
57
58    @Override
59    public void onCreate(Bundle savedInstanceState) {
60        Log.i(TAG, "onCreate");
61        super.onCreate(savedInstanceState);
62
63        ClassPresenterSelector ps = new ClassPresenterSelector();
64        DetailsOverviewRowPresenter dorPresenter =
65                new DetailsOverviewRowPresenter(new DetailsDescriptionPresenter());
66        dorPresenter.setOnActionClickedListener(new OnActionClickedListener() {
67            @Override
68            public void onActionClicked(Action action) {
69                Toast.makeText(getActivity(), action.toString(), Toast.LENGTH_SHORT).show();
70                if (action.getId() == ACTION_BUY) {
71                    DetailsOverviewRow dor = new DetailsOverviewRow(mPhotoItem.getTitle() + "(Owned)");
72                    dor.setImageDrawable(getResources().getDrawable(mPhotoItem.getImageResourceId()));
73                    dor.addAction(new Action(ACTION_PLAY, "Play"));
74                    mRowsAdapter.replace(0, dor);
75                } else if (action.getId() == ACTION_RENT) {
76                    DetailsOverviewRow dor = new DetailsOverviewRow(mPhotoItem.getTitle() + "(Rented)");
77                    dor.setImageDrawable(getResources().getDrawable(mPhotoItem.getImageResourceId()));
78                    dor.addAction(new Action(ACTION_PLAY, "Play"));
79                    dor.addAction(new Action(ACTION_BUY, "Buy $9.99"));
80                    mRowsAdapter.replace(0, dor);
81                } else if (action.getId() == ACTION_PLAY) {
82                    Intent intent = new Intent(getActivity(), PlaybackOverlayActivity.class);
83                    getActivity().startActivity(intent);
84                }
85            }
86        });
87
88        ps.addClassPresenter(DetailsOverviewRow.class, dorPresenter);
89        ps.addClassPresenter(ListRow.class, new ListRowPresenter());
90
91        mRowsAdapter = new ArrayObjectAdapter(ps);
92
93        PhotoItem item = (PhotoItem) (savedInstanceState != null ?
94                savedInstanceState.getParcelable(ITEM) : null);
95        if (item != null) {
96            setItem(item);
97        }
98
99        setOnItemViewClickedListener(new OnItemViewClickedListener() {
100            @Override
101            public void onItemClicked(Presenter.ViewHolder itemViewHolder, Object item,
102                    RowPresenter.ViewHolder rowViewHolder, Row row) {
103                Log.i(TAG, "onItemClicked: " + item + " row " + row);
104                if (item instanceof PhotoItem){
105                    Intent intent = new Intent(getActivity(), DetailsActivity.class);
106                    intent.putExtra(DetailsActivity.EXTRA_ITEM, (PhotoItem) item);
107
108                    Bundle bundle = ActivityOptionsCompat.makeSceneTransitionAnimation(
109                            getActivity(),
110                            ((ImageCardView)itemViewHolder.view).getMainImageView(),
111                            DetailsActivity.SHARED_ELEMENT_NAME).toBundle();
112                    getActivity().startActivity(intent, bundle);
113                }
114            }
115        });
116        setOnItemViewSelectedListener(new OnItemViewSelectedListener() {
117            @Override
118            public void onItemSelected(Presenter.ViewHolder itemViewHolder, Object item,
119                    RowPresenter.ViewHolder rowViewHolder, Row row) {
120                Log.i(TAG, "onItemSelected: " + item + " row " + row);
121            }
122        });
123
124        if (TEST_SHARED_ELEMENT_TRANSITION) {
125            dorPresenter.setSharedElementEnterTransition(getActivity(),
126                    DetailsActivity.SHARED_ELEMENT_NAME);
127        }
128        if (TEST_ENTRANCE_TRANSITION) {
129            // don't run entrance transition if Activity is restored.
130            if (savedInstanceState == null) {
131                prepareEntranceTransition();
132            }
133        }
134    }
135
136    @Override
137    public void onSaveInstanceState(Bundle outState) {
138        super.onSaveInstanceState(outState);
139        outState.putParcelable(ITEM, mPhotoItem);
140    }
141
142    public void setItem(PhotoItem photoItem) {
143        mPhotoItem = photoItem;
144
145        mRowsAdapter.clear();
146        new Handler().postDelayed(new Runnable() {
147            public void run() {
148                Resources res = getActivity().getResources();
149                DetailsOverviewRow dor = new DetailsOverviewRow(mPhotoItem.getTitle());
150                dor.setImageDrawable(res.getDrawable(mPhotoItem.getImageResourceId()));
151                dor.addAction(new Action(ACTION_BUY, "Buy $9.99"));
152                dor.addAction(new Action(ACTION_RENT, "Rent", "$3.99", res.getDrawable(R.drawable.ic_action_a)));
153                mRowsAdapter.add(0, dor);
154                setSelectedPosition(0, false);
155            }
156        }, TIME_TO_LOAD_OVERVIEW_ROW_MS);
157
158        new Handler().postDelayed(new Runnable() {
159            public void run() {
160                for (int i = 0; i < NUM_ROWS; ++i) {
161                    ArrayObjectAdapter listRowAdapter = new ArrayObjectAdapter(cardPresenter);
162                    listRowAdapter.add(new PhotoItem("Hello world", R.drawable.gallery_photo_1));
163                    listRowAdapter.add(new PhotoItem("This is a test", R.drawable.gallery_photo_2));
164                    listRowAdapter.add(new PhotoItem("Android TV", R.drawable.gallery_photo_3));
165                    listRowAdapter.add(new PhotoItem("Leanback", R.drawable.gallery_photo_4));
166                    HeaderItem header = new HeaderItem(i, "Row " + i);
167                    mRowsAdapter.add(new ListRow(header, listRowAdapter));
168                }
169                if (TEST_ENTRANCE_TRANSITION) {
170                    startEntranceTransition();
171                }
172            }
173        }, TIME_TO_LOAD_RELATED_ROWS_MS);
174        setAdapter(mRowsAdapter);
175    }
176
177}
178