1/* This file is auto-generated from BackgroundFragment.java.  DO NOT MODIFY. */
2
3/*
4 * Copyright (C) 2014 The Android Open Source Project
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
7 * in compliance with the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software distributed under the License
12 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
13 * or implied. See the License for the specific language governing permissions and limitations under
14 * the License.
15 */
16package android.support.v17.leanback.app;
17
18import android.support.v4.app.Fragment;
19
20/**
21 * Fragment used by the background manager.
22 * @hide
23 */
24public final class BackgroundSupportFragment extends Fragment implements
25        BackgroundManager.FragmentStateQueriable {
26    private BackgroundManager mBackgroundManager;
27
28    void setBackgroundManager(BackgroundManager backgroundManager) {
29        mBackgroundManager = backgroundManager;
30    }
31
32    BackgroundManager getBackgroundManager() {
33        return mBackgroundManager;
34    }
35
36    @Override
37    public void onStart() {
38        super.onStart();
39        // mBackgroundManager might be null:
40        // if BackgroundSupportFragment is just restored by FragmentManager,
41        // and user does not call BackgroundManager.getInstance() yet.
42        if (mBackgroundManager != null) {
43            mBackgroundManager.onActivityStart();
44        }
45    }
46
47    @Override
48    public void onResume() {
49        super.onResume();
50        // mBackgroundManager might be null:
51        // if BackgroundSupportFragment is just restored by FragmentManager,
52        // and user does not call BackgroundManager.getInstance() yet.
53        if (mBackgroundManager != null) {
54            mBackgroundManager.onResume();
55        }
56    }
57
58    @Override
59    public void onDestroy() {
60        super.onDestroy();
61        // mBackgroundManager might be null:
62        // if BackgroundSupportFragment is just restored by FragmentManager,
63        // and user does not call BackgroundManager.getInstance() yet.
64        if (mBackgroundManager != null) {
65            mBackgroundManager.detach();
66        }
67    }
68}
69