mobile/android/base/home/HomeConfigLoader.java

branch
TOR_BUG_3246
changeset 4
fc2d59ddac77
equal deleted inserted replaced
-1:000000000000 0:33207377732c
1 /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
2 * This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5
6 package org.mozilla.gecko.home;
7
8 import org.mozilla.gecko.home.HomeConfig.PanelConfig;
9 import org.mozilla.gecko.home.HomeConfig.OnReloadListener;
10
11 import android.content.Context;
12 import android.support.v4.content.AsyncTaskLoader;
13
14 import java.util.List;
15
16 public class HomeConfigLoader extends AsyncTaskLoader<HomeConfig.State> {
17 private final HomeConfig mConfig;
18 private HomeConfig.State mConfigState;
19
20 private final Context mContext;
21
22 public HomeConfigLoader(Context context, HomeConfig homeConfig) {
23 super(context);
24 mContext = context;
25 mConfig = homeConfig;
26 }
27
28 @Override
29 public HomeConfig.State loadInBackground() {
30 return mConfig.load();
31 }
32
33 @Override
34 public void deliverResult(HomeConfig.State configState) {
35 if (isReset()) {
36 mConfigState = null;
37 return;
38 }
39
40 mConfigState = configState;
41 mConfig.setOnReloadListener(new ForceReloadListener());
42
43 if (isStarted()) {
44 super.deliverResult(configState);
45 }
46 }
47
48 @Override
49 protected void onStartLoading() {
50 if (mConfigState != null) {
51 deliverResult(mConfigState);
52 }
53
54 if (takeContentChanged() || mConfigState == null) {
55 forceLoad();
56 }
57 }
58
59 @Override
60 protected void onStopLoading() {
61 cancelLoad();
62 }
63
64 @Override
65 public void onCanceled(HomeConfig.State configState) {
66 mConfigState = null;
67 }
68
69 @Override
70 protected void onReset() {
71 super.onReset();
72
73 // Ensure the loader is stopped.
74 onStopLoading();
75
76 mConfigState = null;
77 mConfig.setOnReloadListener(null);
78 }
79
80 private class ForceReloadListener implements OnReloadListener {
81 @Override
82 public void onReload() {
83 onContentChanged();
84 }
85 }
86 }

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