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
17package com.android.tv.dvr.ui;
18
19import android.support.v17.leanback.widget.PresenterSelector;
20
21import com.android.tv.dvr.DvrDataManager;
22import com.android.tv.dvr.ScheduledRecording;
23
24/**
25 * Adapter for {@link ScheduledRecording} filtered by
26 * {@link com.android.tv.dvr.ScheduledRecording.RecordingState}.
27 */
28final class ScheduledRecordingsAdapter extends SortedArrayAdapter<ScheduledRecording>
29        implements DvrDataManager.ScheduledRecordingListener {
30    private final int mState;
31    private final DvrDataManager mDataManager;
32
33    ScheduledRecordingsAdapter(DvrDataManager dataManager, int state,
34            PresenterSelector presenterSelector) {
35        super(presenterSelector, ScheduledRecording.START_TIME_THEN_PRIORITY_COMPARATOR);
36        mDataManager = dataManager;
37        mState = state;
38    }
39
40    public void start() {
41        clear();
42        switch (mState) {
43            case ScheduledRecording.STATE_RECORDING_NOT_STARTED:
44                addAll(mDataManager.getNonStartedScheduledRecordings());
45                break;
46            case ScheduledRecording.STATE_RECORDING_IN_PROGRESS:
47                addAll(mDataManager.getStartedRecordings());
48                break;
49            default:
50                throw new IllegalStateException("Unknown recording state " + mState);
51
52        }
53        mDataManager.addScheduledRecordingListener(this);
54    }
55
56    public void stop() {
57        mDataManager.removeScheduledRecordingListener(this);
58    }
59
60    @Override
61    long getId(ScheduledRecording item) {
62        return item.getId();
63    }
64
65    @Override  //DvrDataManager.ScheduledRecordingListener
66    public void onScheduledRecordingAdded(ScheduledRecording scheduledRecording) {
67        if (scheduledRecording.getState() == mState) {
68            add(scheduledRecording);
69        }
70    }
71
72    @Override  //DvrDataManager.ScheduledRecordingListener
73    public void onScheduledRecordingRemoved(ScheduledRecording scheduledRecording) {
74        remove(scheduledRecording);
75    }
76
77    @Override  //DvrDataManager.ScheduledRecordingListener
78    public void onScheduledRecordingStatusChanged(ScheduledRecording scheduledRecording) {
79        if (scheduledRecording.getState() == mState) {
80            change(scheduledRecording);
81        } else {
82            remove(scheduledRecording);
83        }
84    }
85}
86