1/*
2 * Copyright (C) 2014 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.cellbroadcastreceiver;
18
19import android.content.Context;
20import android.content.res.Resources;
21import android.database.Cursor;
22import android.database.MatrixCursor;
23import android.provider.SearchIndexableResource;
24import android.provider.SearchIndexablesProvider;
25import android.provider.Settings;
26import android.telephony.SubscriptionManager;
27import android.telephony.TelephonyManager;
28
29import static android.provider.SearchIndexablesContract.COLUMN_INDEX_NON_INDEXABLE_KEYS_KEY_VALUE;
30import static android.provider.SearchIndexablesContract.COLUMN_INDEX_XML_RES_RANK;
31import static android.provider.SearchIndexablesContract.COLUMN_INDEX_XML_RES_RESID;
32import static android.provider.SearchIndexablesContract.COLUMN_INDEX_XML_RES_CLASS_NAME;
33import static android.provider.SearchIndexablesContract.COLUMN_INDEX_XML_RES_ICON_RESID;
34import static android.provider.SearchIndexablesContract.COLUMN_INDEX_XML_RES_INTENT_ACTION;
35import static android.provider.SearchIndexablesContract.COLUMN_INDEX_XML_RES_INTENT_TARGET_PACKAGE;
36import static android.provider.SearchIndexablesContract.COLUMN_INDEX_XML_RES_INTENT_TARGET_CLASS;
37
38import static android.provider.SearchIndexablesContract.INDEXABLES_RAW_COLUMNS;
39import static android.provider.SearchIndexablesContract.INDEXABLES_XML_RES_COLUMNS;
40import static android.provider.SearchIndexablesContract.NON_INDEXABLES_KEYS_COLUMNS;
41
42public class CellBroadcastSearchIndexableProvider extends SearchIndexablesProvider {
43    private static final String TAG = "CellBroadcastSearchIndexableProvider";
44
45    private static SearchIndexableResource[] INDEXABLE_RES = new SearchIndexableResource[] {
46            new SearchIndexableResource(1, R.xml.preferences,
47                    CellBroadcastSettings.class.getName(),
48                    R.mipmap.ic_launcher_cell_broadcast),
49    };
50    @Override
51    public boolean onCreate() {
52        return true;
53    }
54
55    @Override
56    public Cursor queryXmlResources(String[] projection) {
57        MatrixCursor cursor = new MatrixCursor(INDEXABLES_XML_RES_COLUMNS);
58        final int count = INDEXABLE_RES.length;
59        for (int n = 0; n < count; n++) {
60            Object[] ref = new Object[7];
61            ref[COLUMN_INDEX_XML_RES_RANK] = INDEXABLE_RES[n].rank;
62            ref[COLUMN_INDEX_XML_RES_RESID] = INDEXABLE_RES[n].xmlResId;
63            ref[COLUMN_INDEX_XML_RES_CLASS_NAME] = null;
64            ref[COLUMN_INDEX_XML_RES_ICON_RESID] = INDEXABLE_RES[n].iconResId;
65            ref[COLUMN_INDEX_XML_RES_INTENT_ACTION] = "android.intent.action.MAIN";
66            ref[COLUMN_INDEX_XML_RES_INTENT_TARGET_PACKAGE] = "com.android.cellbroadcastreceiver";
67            ref[COLUMN_INDEX_XML_RES_INTENT_TARGET_CLASS] = INDEXABLE_RES[n].className;
68            cursor.addRow(ref);
69        }
70        return cursor;
71    }
72
73    @Override
74    public Cursor queryRawData(String[] projection) {
75        MatrixCursor cursor = new MatrixCursor(INDEXABLES_RAW_COLUMNS);
76        return cursor;
77    }
78
79    @Override
80    public Cursor queryNonIndexableKeys(String[] projection) {
81        MatrixCursor cursor = new MatrixCursor(NON_INDEXABLES_KEYS_COLUMNS);
82
83        // Show extra settings when developer options is enabled in settings.
84        boolean enableDevSettings = Settings.Global.getInt(getContext().getContentResolver(),
85                Settings.Global.DEVELOPMENT_SETTINGS_ENABLED, 0) != 0;
86
87        Resources res = getContext().getResources();
88        boolean showEtwsSettings = res.getBoolean(R.bool.show_etws_settings);
89
90        Object[] ref;
91
92        // Show alert settings and ETWS categories for ETWS builds and developer mode.
93        if (!enableDevSettings && !showEtwsSettings) {
94            // Remove general emergency alert preference items (not shown for CMAS builds).
95            ref = new Object[1];
96            ref[COLUMN_INDEX_NON_INDEXABLE_KEYS_KEY_VALUE] =
97                    CellBroadcastSettings.KEY_ENABLE_EMERGENCY_ALERTS;
98            cursor.addRow(ref);
99
100            ref = new Object[1];
101            ref[COLUMN_INDEX_NON_INDEXABLE_KEYS_KEY_VALUE] =
102                    CellBroadcastSettings.KEY_ENABLE_ALERT_SPEECH;
103            cursor.addRow(ref);
104
105            // Remove ETWS preference category.
106            ref = new Object[1];
107            ref[COLUMN_INDEX_NON_INDEXABLE_KEYS_KEY_VALUE] =
108                    CellBroadcastSettings.KEY_CATEGORY_ETWS_SETTINGS;
109            cursor.addRow(ref);
110        }
111
112        if (!res.getBoolean(R.bool.show_cmas_settings)) {
113            // Remove CMAS preference items in emergency alert category.
114            ref = new Object[1];
115            ref[COLUMN_INDEX_NON_INDEXABLE_KEYS_KEY_VALUE] =
116                    CellBroadcastSettings.KEY_ENABLE_CMAS_EXTREME_THREAT_ALERTS;
117            cursor.addRow(ref);
118
119            ref = new Object[1];
120            ref[COLUMN_INDEX_NON_INDEXABLE_KEYS_KEY_VALUE] =
121                    CellBroadcastSettings.KEY_ENABLE_CMAS_SEVERE_THREAT_ALERTS;
122            cursor.addRow(ref);
123
124            ref = new Object[1];
125            ref[COLUMN_INDEX_NON_INDEXABLE_KEYS_KEY_VALUE] =
126                    CellBroadcastSettings.KEY_ENABLE_CMAS_AMBER_ALERTS;
127            cursor.addRow(ref);
128        }
129
130        TelephonyManager tm = (TelephonyManager) getContext().getSystemService(
131                Context.TELEPHONY_SERVICE);
132
133        int subId = SubscriptionManager.getDefaultSmsSubscriptionId();
134        if (subId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
135            subId = SubscriptionManager.getDefaultSubscriptionId();
136        }
137
138        boolean enableChannel50Support = res.getBoolean(R.bool.show_brazil_settings) ||
139                "br".equals(tm.getSimCountryIso(subId));
140
141        if (!enableChannel50Support) {
142            ref = new Object[1];
143            ref[COLUMN_INDEX_NON_INDEXABLE_KEYS_KEY_VALUE] =
144                    CellBroadcastSettings.KEY_CATEGORY_BRAZIL_SETTINGS;
145            cursor.addRow(ref);
146        }
147
148        if (!enableDevSettings) {
149            ref = new Object[1];
150            ref[COLUMN_INDEX_NON_INDEXABLE_KEYS_KEY_VALUE] =
151                    CellBroadcastSettings.KEY_CATEGORY_DEV_SETTINGS;
152            cursor.addRow(ref);
153        }
154
155        return cursor;
156    }
157}
158