1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License
15  */
16 
17 package com.android.tv.dvr.ui.list;
18 
19 import android.os.Bundle;
20 import androidx.leanback.widget.ClassPresenterSelector;
21 import com.android.tv.R;
22 import com.android.tv.dvr.data.ScheduledRecording;
23 import com.android.tv.dvr.ui.list.SchedulesHeaderRowPresenter.DateHeaderRowPresenter;
24 
25 /** A fragment to show the list of schedule recordings. */
26 public class DvrSchedulesFragment extends BaseDvrSchedulesFragment {
27     @Override
onCreate(Bundle savedInstanceState)28     public void onCreate(Bundle savedInstanceState) {
29         super.onCreate(savedInstanceState);
30         if (getRowsAdapter().size() == 0) {
31             showEmptyMessage(R.string.dvr_schedules_empty_state);
32         }
33     }
34 
35     @Override
onCreateHeaderRowPresenter()36     public SchedulesHeaderRowPresenter onCreateHeaderRowPresenter() {
37         return new DateHeaderRowPresenter(getContext());
38     }
39 
40     @Override
onCreateRowPresenter()41     public ScheduleRowPresenter onCreateRowPresenter() {
42         return new ScheduleRowPresenter(getContext());
43     }
44 
45     @Override
onCreateRowsAdapter(ClassPresenterSelector presenterSelector)46     public ScheduleRowAdapter onCreateRowsAdapter(ClassPresenterSelector presenterSelector) {
47         return new ScheduleRowAdapter(getContext(), presenterSelector);
48     }
49 
50     @Override
onScheduledRecordingAdded(ScheduledRecording... scheduledRecordings)51     public void onScheduledRecordingAdded(ScheduledRecording... scheduledRecordings) {
52         super.onScheduledRecordingAdded(scheduledRecordings);
53         if (getRowsAdapter().size() > 0) {
54             hideEmptyMessage();
55         }
56     }
57 
58     @Override
onScheduledRecordingRemoved(ScheduledRecording... scheduledRecordings)59     public void onScheduledRecordingRemoved(ScheduledRecording... scheduledRecordings) {
60         super.onScheduledRecordingRemoved(scheduledRecordings);
61         if (getRowsAdapter().size() == 0) {
62             showEmptyMessage(R.string.dvr_schedules_empty_state);
63         }
64     }
65 
66     @Override
getFirstItemPosition()67     protected int getFirstItemPosition() {
68         Bundle args = getArguments();
69         ScheduledRecording recording = null;
70         if (args != null) {
71             recording = args.getParcelable(SCHEDULES_KEY_SCHEDULED_RECORDING);
72         }
73         final int selectedPostion =
74                 getRowsAdapter().indexOf(getRowsAdapter().findRowByScheduledRecording(recording));
75         if (selectedPostion != -1) {
76             return selectedPostion;
77         }
78         return super.getFirstItemPosition();
79     }
80 }
81