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 
17 package com.android.settings.sim;
18 
19 import android.content.Context;
20 import android.content.Intent;
21 import android.content.res.Resources;
22 import android.graphics.drawable.BitmapDrawable;
23 import android.os.Bundle;
24 import android.os.SystemProperties;
25 import android.provider.SearchIndexableResource;
26 import android.support.v7.preference.Preference;
27 import android.support.v7.preference.PreferenceScreen;
28 import android.telecom.PhoneAccountHandle;
29 import android.telecom.TelecomManager;
30 import android.telephony.PhoneNumberUtils;
31 import android.telephony.PhoneStateListener;
32 import android.telephony.SubscriptionInfo;
33 import android.telephony.SubscriptionManager;
34 import android.telephony.TelephonyManager;
35 import android.text.TextUtils;
36 import android.util.Log;
37 
38 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
39 import com.android.internal.telephony.TelephonyProperties;
40 import com.android.settings.R;
41 import com.android.settings.RestrictedSettingsFragment;
42 import com.android.settings.Utils;
43 import com.android.settings.search.BaseSearchIndexProvider;
44 import com.android.settings.search.Indexable;
45 
46 import java.util.ArrayList;
47 import java.util.List;
48 
49 public class SimSettings extends RestrictedSettingsFragment implements Indexable {
50     private static final String TAG = "SimSettings";
51     private static final boolean DBG = false;
52 
53     private static final String DISALLOW_CONFIG_SIM = "no_config_sim";
54     private static final String SIM_CARD_CATEGORY = "sim_cards";
55     private static final String KEY_CELLULAR_DATA = "sim_cellular_data";
56     private static final String KEY_CALLS = "sim_calls";
57     private static final String KEY_SMS = "sim_sms";
58     public static final String EXTRA_SLOT_ID = "slot_id";
59 
60     /**
61      * By UX design we use only one Subscription Information(SubInfo) record per SIM slot.
62      * mAvalableSubInfos is the list of SubInfos we present to the user.
63      * mSubInfoList is the list of all SubInfos.
64      * mSelectableSubInfos is the list of SubInfos that a user can select for data, calls, and SMS.
65      */
66     private List<SubscriptionInfo> mAvailableSubInfos = null;
67     private List<SubscriptionInfo> mSubInfoList = null;
68     private List<SubscriptionInfo> mSelectableSubInfos = null;
69     private PreferenceScreen mSimCards = null;
70     private SubscriptionManager mSubscriptionManager;
71     private int mNumSlots;
72     private Context mContext;
73 
74     private int mPhoneCount = TelephonyManager.getDefault().getPhoneCount();
75     private int[] mCallState = new int[mPhoneCount];
76     private PhoneStateListener[] mPhoneStateListener = new PhoneStateListener[mPhoneCount];
77 
SimSettings()78     public SimSettings() {
79         super(DISALLOW_CONFIG_SIM);
80     }
81 
82     @Override
getMetricsCategory()83     public int getMetricsCategory() {
84         return MetricsEvent.SIM;
85     }
86 
87     @Override
onCreate(final Bundle bundle)88     public void onCreate(final Bundle bundle) {
89         super.onCreate(bundle);
90         mContext = getActivity();
91 
92         mSubscriptionManager = SubscriptionManager.from(getActivity());
93         final TelephonyManager tm =
94                 (TelephonyManager) getActivity().getSystemService(Context.TELEPHONY_SERVICE);
95         addPreferencesFromResource(R.xml.sim_settings);
96 
97         mNumSlots = tm.getSimCount();
98         mSimCards = (PreferenceScreen)findPreference(SIM_CARD_CATEGORY);
99         mAvailableSubInfos = new ArrayList<SubscriptionInfo>(mNumSlots);
100         mSelectableSubInfos = new ArrayList<SubscriptionInfo>();
101         SimSelectNotification.cancelNotification(getActivity());
102     }
103 
104     private final SubscriptionManager.OnSubscriptionsChangedListener mOnSubscriptionsChangeListener
105             = new SubscriptionManager.OnSubscriptionsChangedListener() {
106         @Override
107         public void onSubscriptionsChanged() {
108             if (DBG) log("onSubscriptionsChanged:");
109             updateSubscriptions();
110         }
111     };
112 
updateSubscriptions()113     private void updateSubscriptions() {
114         mSubInfoList = mSubscriptionManager.getActiveSubscriptionInfoList();
115         for (int i = 0; i < mNumSlots; ++i) {
116             Preference pref = mSimCards.findPreference("sim" + i);
117             if (pref instanceof SimPreference) {
118                 mSimCards.removePreference(pref);
119             }
120         }
121         mAvailableSubInfos.clear();
122         mSelectableSubInfos.clear();
123 
124         for (int i = 0; i < mNumSlots; ++i) {
125             final SubscriptionInfo sir = mSubscriptionManager
126                     .getActiveSubscriptionInfoForSimSlotIndex(i);
127             SimPreference simPreference = new SimPreference(getPrefContext(), sir, i);
128             simPreference.setOrder(i-mNumSlots);
129             mSimCards.addPreference(simPreference);
130             mAvailableSubInfos.add(sir);
131             if (sir != null) {
132                 mSelectableSubInfos.add(sir);
133             }
134         }
135         updateAllOptions();
136     }
137 
updateAllOptions()138     private void updateAllOptions() {
139         updateSimSlotValues();
140         updateActivitesCategory();
141     }
142 
updateSimSlotValues()143     private void updateSimSlotValues() {
144         final int prefSize = mSimCards.getPreferenceCount();
145         for (int i = 0; i < prefSize; ++i) {
146             Preference pref = mSimCards.getPreference(i);
147             if (pref instanceof SimPreference) {
148                 ((SimPreference)pref).update();
149             }
150         }
151     }
152 
updateActivitesCategory()153     private void updateActivitesCategory() {
154         updateCellularDataValues();
155         updateCallValues();
156         updateSmsValues();
157     }
158 
updateSmsValues()159     private void updateSmsValues() {
160         final Preference simPref = findPreference(KEY_SMS);
161         final SubscriptionInfo sir = mSubscriptionManager.getDefaultSmsSubscriptionInfo();
162         simPref.setTitle(R.string.sms_messages_title);
163         if (DBG) log("[updateSmsValues] mSubInfoList=" + mSubInfoList);
164 
165         if (sir != null) {
166             simPref.setSummary(sir.getDisplayName());
167             simPref.setEnabled(mSelectableSubInfos.size() > 1);
168         } else if (sir == null) {
169             simPref.setSummary(R.string.sim_selection_required_pref);
170             simPref.setEnabled(mSelectableSubInfos.size() >= 1);
171         }
172     }
173 
updateCellularDataValues()174     private void updateCellularDataValues() {
175         final Preference simPref = findPreference(KEY_CELLULAR_DATA);
176         final SubscriptionInfo sir = mSubscriptionManager.getDefaultDataSubscriptionInfo();
177         simPref.setTitle(R.string.cellular_data_title);
178         if (DBG) log("[updateCellularDataValues] mSubInfoList=" + mSubInfoList);
179 
180         boolean callStateIdle = isCallStateIdle();
181         final boolean ecbMode = SystemProperties.getBoolean(
182                 TelephonyProperties.PROPERTY_INECM_MODE, false);
183         if (sir != null) {
184             simPref.setSummary(sir.getDisplayName());
185             // Enable data preference in msim mode and call state idle
186             simPref.setEnabled((mSelectableSubInfos.size() > 1) && callStateIdle && !ecbMode);
187         } else if (sir == null) {
188             simPref.setSummary(R.string.sim_selection_required_pref);
189             // Enable data preference in msim mode and call state idle
190             simPref.setEnabled((mSelectableSubInfos.size() >= 1) && callStateIdle && !ecbMode);
191         }
192     }
193 
updateCallValues()194     private void updateCallValues() {
195         final Preference simPref = findPreference(KEY_CALLS);
196         final TelecomManager telecomManager = TelecomManager.from(mContext);
197         final PhoneAccountHandle phoneAccount =
198             telecomManager.getUserSelectedOutgoingPhoneAccount();
199         final List<PhoneAccountHandle> allPhoneAccounts =
200             telecomManager.getCallCapablePhoneAccounts();
201 
202         simPref.setTitle(R.string.calls_title);
203         simPref.setSummary(phoneAccount == null
204                 ? mContext.getResources().getString(R.string.sim_calls_ask_first_prefs_title)
205                 : (String)telecomManager.getPhoneAccount(phoneAccount).getLabel());
206         simPref.setEnabled(allPhoneAccounts.size() > 1);
207     }
208 
209     @Override
onResume()210     public void onResume() {
211         super.onResume();
212         mSubscriptionManager.addOnSubscriptionsChangedListener(mOnSubscriptionsChangeListener);
213         updateSubscriptions();
214         final TelephonyManager tm =
215                 (TelephonyManager) getActivity().getSystemService(Context.TELEPHONY_SERVICE);
216         if (mSelectableSubInfos.size() > 1) {
217             Log.d(TAG, "Register for call state change");
218             for (int i = 0; i < mPhoneCount; i++) {
219                 int subId = mSelectableSubInfos.get(i).getSubscriptionId();
220                 tm.listen(getPhoneStateListener(i, subId),
221                         PhoneStateListener.LISTEN_CALL_STATE);
222             }
223         }
224     }
225 
226     @Override
onPause()227     public void onPause() {
228         super.onPause();
229         mSubscriptionManager.removeOnSubscriptionsChangedListener(mOnSubscriptionsChangeListener);
230         final TelephonyManager tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
231         for (int i = 0; i < mPhoneCount; i++) {
232             if (mPhoneStateListener[i] != null) {
233                 tm.listen(mPhoneStateListener[i], PhoneStateListener.LISTEN_NONE);
234                 mPhoneStateListener[i] = null;
235             }
236         }
237     }
238 
getPhoneStateListener(int phoneId, int subId)239     private PhoneStateListener getPhoneStateListener(int phoneId, int subId) {
240         // Disable Sim selection for Data when voice call is going on as changing the default data
241         // sim causes a modem reset currently and call gets disconnected
242         // ToDo : Add subtext on disabled preference to let user know that default data sim cannot
243         // be changed while call is going on
244         final int i = phoneId;
245         mPhoneStateListener[phoneId]  = new PhoneStateListener(subId) {
246             @Override
247             public void onCallStateChanged(int state, String incomingNumber) {
248                 if (DBG) log("PhoneStateListener.onCallStateChanged: state=" + state);
249                 mCallState[i] = state;
250                 updateCellularDataValues();
251             }
252         };
253         return mPhoneStateListener[phoneId];
254     }
255 
256     @Override
onPreferenceTreeClick(final Preference preference)257     public boolean onPreferenceTreeClick(final Preference preference) {
258         final Context context = mContext;
259         Intent intent = new Intent(context, SimDialogActivity.class);
260         intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
261 
262         if (preference instanceof SimPreference) {
263             Intent newIntent = new Intent(context, SimPreferenceDialog.class);
264             newIntent.putExtra(EXTRA_SLOT_ID, ((SimPreference)preference).getSlotId());
265             startActivity(newIntent);
266         } else if (findPreference(KEY_CELLULAR_DATA) == preference) {
267             intent.putExtra(SimDialogActivity.DIALOG_TYPE_KEY, SimDialogActivity.DATA_PICK);
268             context.startActivity(intent);
269         } else if (findPreference(KEY_CALLS) == preference) {
270             intent.putExtra(SimDialogActivity.DIALOG_TYPE_KEY, SimDialogActivity.CALLS_PICK);
271             context.startActivity(intent);
272         } else if (findPreference(KEY_SMS) == preference) {
273             intent.putExtra(SimDialogActivity.DIALOG_TYPE_KEY, SimDialogActivity.SMS_PICK);
274             context.startActivity(intent);
275         }
276 
277         return true;
278     }
279 
280     private class SimPreference extends Preference {
281         private SubscriptionInfo mSubInfoRecord;
282         private int mSlotId;
283         Context mContext;
284 
SimPreference(Context context, SubscriptionInfo subInfoRecord, int slotId)285         public SimPreference(Context context, SubscriptionInfo subInfoRecord, int slotId) {
286             super(context);
287 
288             mContext = context;
289             mSubInfoRecord = subInfoRecord;
290             mSlotId = slotId;
291             setKey("sim" + mSlotId);
292             update();
293         }
294 
update()295         public void update() {
296             final Resources res = mContext.getResources();
297 
298             setTitle(String.format(mContext.getResources()
299                     .getString(R.string.sim_editor_title), (mSlotId + 1)));
300             if (mSubInfoRecord != null) {
301                 if (TextUtils.isEmpty(getPhoneNumber(mSubInfoRecord))) {
302                     setSummary(mSubInfoRecord.getDisplayName());
303                 } else {
304                     setSummary(mSubInfoRecord.getDisplayName() + " - " +
305                             PhoneNumberUtils.createTtsSpannable(getPhoneNumber(mSubInfoRecord)));
306                     setEnabled(true);
307                 }
308                 setIcon(new BitmapDrawable(res, (mSubInfoRecord.createIconBitmap(mContext))));
309             } else {
310                 setSummary(R.string.sim_slot_empty);
311                 setFragment(null);
312                 setEnabled(false);
313             }
314         }
315 
getSlotId()316         private int getSlotId() {
317             return mSlotId;
318         }
319     }
320 
321     // Returns the line1Number. Line1number should always be read from TelephonyManager since it can
322     // be overridden for display purposes.
getPhoneNumber(SubscriptionInfo info)323     private String getPhoneNumber(SubscriptionInfo info) {
324         final TelephonyManager tm =
325             (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE);
326         return tm.getLine1Number(info.getSubscriptionId());
327     }
328 
log(String s)329     private void log(String s) {
330         Log.d(TAG, s);
331     }
332 
333     /**
334      * For search
335      */
336     public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
337             new BaseSearchIndexProvider() {
338                 @Override
339                 public List<SearchIndexableResource> getXmlResourcesToIndex(Context context,
340                         boolean enabled) {
341                     ArrayList<SearchIndexableResource> result =
342                             new ArrayList<SearchIndexableResource>();
343 
344                     if (Utils.showSimCardTile(context)) {
345                         SearchIndexableResource sir = new SearchIndexableResource(context);
346                         sir.xmlResId = R.xml.sim_settings;
347                         result.add(sir);
348                     }
349 
350                     return result;
351                 }
352             };
353 
isCallStateIdle()354     private boolean isCallStateIdle() {
355         boolean callStateIdle = true;
356         for (int i = 0; i < mCallState.length; i++) {
357             if (TelephonyManager.CALL_STATE_IDLE != mCallState[i]) {
358                 callStateIdle = false;
359             }
360         }
361         Log.d(TAG, "isCallStateIdle " + callStateIdle);
362         return callStateIdle;
363     }
364 }
365