Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file |
| 5 | * except 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 |
| 10 | * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 11 | * KIND, either express or implied. See the License for the specific language governing |
| 12 | * permissions and limitations under the License. |
| 13 | */ |
| 14 | package com.android.settings.location; |
| 15 | |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 16 | import android.content.Context; |
| 17 | import android.content.Intent; |
| 18 | import android.content.pm.ActivityInfo; |
| 19 | import android.content.pm.ApplicationInfo; |
| 20 | import android.content.pm.PackageManager; |
| 21 | import android.content.pm.PackageManager.NameNotFoundException; |
| 22 | import android.content.pm.ResolveInfo; |
| 23 | import android.location.LocationManager; |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 24 | import android.util.Log; |
Fan Zhang | c7162cd | 2018-06-18 15:21:41 -0700 | [diff] [blame] | 25 | |
Fan Zhang | 23f8d59 | 2018-08-28 15:11:40 -0700 | [diff] [blame] | 26 | import androidx.preference.Preference; |
| 27 | import androidx.preference.PreferenceCategory; |
| 28 | |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 29 | import com.android.settingslib.widget.FooterPreference; |
Fan Zhang | c7162cd | 2018-06-18 15:21:41 -0700 | [diff] [blame] | 30 | |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 31 | import java.util.ArrayList; |
| 32 | import java.util.Collection; |
| 33 | import java.util.Collections; |
| 34 | import java.util.List; |
| 35 | |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 36 | /** |
| 37 | * Preference controller for location footer preference category |
| 38 | */ |
Soonil Nagarkar | 533a17f | 2019-07-10 15:11:02 -0700 | [diff] [blame] | 39 | public class LocationFooterPreferenceController extends LocationBasePreferenceController { |
| 40 | |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 41 | private static final String TAG = "LocationFooter"; |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 42 | private static final Intent INJECT_INTENT = |
| 43 | new Intent(LocationManager.SETTINGS_FOOTER_DISPLAYED_ACTION); |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 44 | |
Soonil Nagarkar | 533a17f | 2019-07-10 15:11:02 -0700 | [diff] [blame] | 45 | private final PackageManager mPackageManager; |
| 46 | |
Raff Tsai | 2229585 | 2019-11-22 11:35:40 +0800 | [diff] [blame] | 47 | public LocationFooterPreferenceController(Context context, String key) { |
| 48 | super(context, key); |
Soonil Nagarkar | 533a17f | 2019-07-10 15:11:02 -0700 | [diff] [blame] | 49 | mPackageManager = context.getPackageManager(); |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 50 | } |
| 51 | |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 52 | /** |
Soonil Nagarkar | 533a17f | 2019-07-10 15:11:02 -0700 | [diff] [blame] | 53 | * Insert footer preferences. |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 54 | */ |
| 55 | @Override |
| 56 | public void updateState(Preference preference) { |
| 57 | PreferenceCategory category = (PreferenceCategory) preference; |
| 58 | category.removeAll(); |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 59 | Collection<FooterData> footerData = getFooterData(); |
| 60 | for (FooterData data : footerData) { |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 61 | try { |
Soonil Nagarkar | 533a17f | 2019-07-10 15:11:02 -0700 | [diff] [blame] | 62 | String footerString = |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 63 | mPackageManager |
| 64 | .getResourcesForApplication(data.applicationInfo) |
| 65 | .getString(data.footerStringRes); |
Soonil Nagarkar | 533a17f | 2019-07-10 15:11:02 -0700 | [diff] [blame] | 66 | |
| 67 | // Generate a footer preference with the given text |
| 68 | FooterPreference footerPreference = new FooterPreference(preference.getContext()); |
| 69 | footerPreference.setTitle(footerString); |
| 70 | category.addPreference(footerPreference); |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 71 | } catch (NameNotFoundException exception) { |
Soonil Nagarkar | c5dd4e5 | 2019-03-25 10:50:16 -0700 | [diff] [blame] | 72 | Log.w( |
| 73 | TAG, |
| 74 | "Resources not found for application " |
| 75 | + data.applicationInfo.packageName); |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 76 | } |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 77 | } |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * Do nothing on location mode changes. |
| 82 | */ |
| 83 | @Override |
| 84 | public void onLocationModeChanged(int mode, boolean restricted) {} |
| 85 | |
| 86 | /** |
| 87 | * Location footer preference group should be displayed if there is at least one footer to |
| 88 | * inject. |
| 89 | */ |
| 90 | @Override |
Raff Tsai | 2229585 | 2019-11-22 11:35:40 +0800 | [diff] [blame] | 91 | public int getAvailabilityStatus() { |
| 92 | return !getFooterData().isEmpty() ? AVAILABLE : UNSUPPORTED_ON_DEVICE; |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 93 | } |
| 94 | |
| 95 | /** |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 96 | * Return a list of strings with text provided by ACTION_INJECT_FOOTER broadcast receivers. |
| 97 | */ |
Soonil Nagarkar | 533a17f | 2019-07-10 15:11:02 -0700 | [diff] [blame] | 98 | private List<FooterData> getFooterData() { |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 99 | // Fetch footer text from system apps |
Soonil Nagarkar | 533a17f | 2019-07-10 15:11:02 -0700 | [diff] [blame] | 100 | List<ResolveInfo> resolveInfos = |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 101 | mPackageManager.queryBroadcastReceivers( |
| 102 | INJECT_INTENT, PackageManager.GET_META_DATA); |
| 103 | if (resolveInfos == null) { |
Soonil Nagarkar | c5dd4e5 | 2019-03-25 10:50:16 -0700 | [diff] [blame] | 104 | Log.e(TAG, "Unable to resolve intent " + INJECT_INTENT); |
| 105 | return Collections.emptyList(); |
| 106 | } |
| 107 | |
| 108 | if (Log.isLoggable(TAG, Log.DEBUG)) { |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 109 | Log.d(TAG, "Found broadcast receivers: " + resolveInfos); |
| 110 | } |
| 111 | |
Soonil Nagarkar | 533a17f | 2019-07-10 15:11:02 -0700 | [diff] [blame] | 112 | List<FooterData> footerDataList = new ArrayList<>(resolveInfos.size()); |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 113 | for (ResolveInfo resolveInfo : resolveInfos) { |
Soonil Nagarkar | 533a17f | 2019-07-10 15:11:02 -0700 | [diff] [blame] | 114 | ActivityInfo activityInfo = resolveInfo.activityInfo; |
| 115 | ApplicationInfo appInfo = activityInfo.applicationInfo; |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 116 | |
| 117 | // If a non-system app tries to inject footer, ignore it |
| 118 | if ((appInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0) { |
Soonil Nagarkar | c5dd4e5 | 2019-03-25 10:50:16 -0700 | [diff] [blame] | 119 | Log.w(TAG, "Ignoring attempt to inject footer from app not in system image: " |
| 120 | + resolveInfo); |
| 121 | continue; |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 122 | } |
| 123 | |
| 124 | // Get the footer text resource id from broadcast receiver's metadata |
| 125 | if (activityInfo.metaData == null) { |
| 126 | if (Log.isLoggable(TAG, Log.DEBUG)) { |
| 127 | Log.d(TAG, "No METADATA in broadcast receiver " + activityInfo.name); |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 128 | } |
Soonil Nagarkar | c5dd4e5 | 2019-03-25 10:50:16 -0700 | [diff] [blame] | 129 | continue; |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 130 | } |
| 131 | |
| 132 | final int footerTextRes = |
| 133 | activityInfo.metaData.getInt(LocationManager.METADATA_SETTINGS_FOOTER_STRING); |
| 134 | if (footerTextRes == 0) { |
Soonil Nagarkar | c5dd4e5 | 2019-03-25 10:50:16 -0700 | [diff] [blame] | 135 | Log.w( |
| 136 | TAG, |
| 137 | "No mapping of integer exists for " |
| 138 | + LocationManager.METADATA_SETTINGS_FOOTER_STRING); |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 139 | continue; |
| 140 | } |
Soonil Nagarkar | 533a17f | 2019-07-10 15:11:02 -0700 | [diff] [blame] | 141 | footerDataList.add(new FooterData(footerTextRes, appInfo)); |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 142 | } |
| 143 | return footerDataList; |
| 144 | } |
| 145 | |
| 146 | /** |
| 147 | * Contains information related to a footer. |
| 148 | */ |
| 149 | private static class FooterData { |
| 150 | |
| 151 | // The string resource of the footer |
| 152 | final int footerStringRes; |
| 153 | |
| 154 | // Application info of receiver injecting this footer |
| 155 | final ApplicationInfo applicationInfo; |
| 156 | |
Soonil Nagarkar | 533a17f | 2019-07-10 15:11:02 -0700 | [diff] [blame] | 157 | FooterData(int footerRes, ApplicationInfo appInfo) { |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 158 | this.footerStringRes = footerRes; |
| 159 | this.applicationInfo = appInfo; |
Maggie | ca80da2 | 2018-01-29 20:29:16 -0800 | [diff] [blame] | 160 | } |
| 161 | } |
| 162 | } |