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      1 /*
      2  * Copyright (C) 2016 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 package com.android.settings.system;
     17 
     18 import static android.content.Context.CARRIER_CONFIG_SERVICE;
     19 import static android.content.Context.SYSTEM_UPDATE_SERVICE;
     20 
     21 import android.content.Context;
     22 import android.content.Intent;
     23 import android.os.Build;
     24 import android.os.Bundle;
     25 import android.os.PersistableBundle;
     26 import android.os.SystemUpdateManager;
     27 import android.os.UserManager;
     28 import android.support.v7.preference.Preference;
     29 import android.support.v7.preference.PreferenceScreen;
     30 import android.telephony.CarrierConfigManager;
     31 import android.text.TextUtils;
     32 import android.util.Log;
     33 
     34 import com.android.settings.R;
     35 import com.android.settings.Utils;
     36 import com.android.settings.core.BasePreferenceController;
     37 
     38 import java.util.concurrent.ExecutionException;
     39 import java.util.concurrent.FutureTask;
     40 
     41 public class SystemUpdatePreferenceController extends BasePreferenceController {
     42 
     43     private static final String TAG = "SysUpdatePrefContr";
     44 
     45     private static final String KEY_SYSTEM_UPDATE_SETTINGS = "system_update_settings";
     46 
     47     private final UserManager mUm;
     48     private final SystemUpdateManager mUpdateManager;
     49 
     50     public SystemUpdatePreferenceController(Context context) {
     51         super(context, KEY_SYSTEM_UPDATE_SETTINGS);
     52         mUm = UserManager.get(context);
     53         mUpdateManager = (SystemUpdateManager) context.getSystemService(SYSTEM_UPDATE_SERVICE);
     54     }
     55 
     56     @Override
     57     public int getAvailabilityStatus() {
     58         return mContext.getResources().getBoolean(R.bool.config_show_system_update_settings)
     59                 && mUm.isAdminUser()
     60                 ? AVAILABLE
     61                 : UNSUPPORTED_ON_DEVICE;
     62     }
     63 
     64     @Override
     65     public void displayPreference(PreferenceScreen screen) {
     66         super.displayPreference(screen);
     67         if (isAvailable()) {
     68             Utils.updatePreferenceToSpecificActivityOrRemove(mContext, screen,
     69                     getPreferenceKey(),
     70                     Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
     71         }
     72     }
     73 
     74     @Override
     75     public boolean handlePreferenceTreeClick(Preference preference) {
     76         if (TextUtils.equals(getPreferenceKey(), preference.getKey())) {
     77             CarrierConfigManager configManager =
     78                     (CarrierConfigManager) mContext.getSystemService(CARRIER_CONFIG_SERVICE);
     79             PersistableBundle b = configManager.getConfig();
     80             if (b != null && b.getBoolean(CarrierConfigManager.KEY_CI_ACTION_ON_SYS_UPDATE_BOOL)) {
     81                 ciActionOnSysUpdate(b);
     82             }
     83         }
     84         // always return false here because this handler does not want to block other handlers.
     85         return false;
     86     }
     87 
     88     @Override
     89     public CharSequence getSummary() {
     90         CharSequence summary = mContext.getString(R.string.android_version_summary,
     91                 Build.VERSION.RELEASE);
     92         final FutureTask<Bundle> bundleFutureTask = new FutureTask<>(
     93                 // Put the API call in a future to avoid StrictMode violation.
     94                 () -> mUpdateManager.retrieveSystemUpdateInfo());
     95         final Bundle updateInfo;
     96         try {
     97             bundleFutureTask.run();
     98             updateInfo = bundleFutureTask.get();
     99         } catch (InterruptedException | ExecutionException e) {
    100             Log.w(TAG, "Error getting system update info.");
    101             return summary;
    102         }
    103         switch (updateInfo.getInt(SystemUpdateManager.KEY_STATUS)) {
    104             case SystemUpdateManager.STATUS_WAITING_DOWNLOAD:
    105             case SystemUpdateManager.STATUS_IN_PROGRESS:
    106             case SystemUpdateManager.STATUS_WAITING_INSTALL:
    107             case SystemUpdateManager.STATUS_WAITING_REBOOT:
    108                 summary = mContext.getText(R.string.android_version_pending_update_summary);
    109                 break;
    110             case SystemUpdateManager.STATUS_UNKNOWN:
    111                 Log.d(TAG, "Update statue unknown");
    112                 // fall through to next branch
    113             case SystemUpdateManager.STATUS_IDLE:
    114                 final String version = updateInfo.getString(SystemUpdateManager.KEY_TITLE);
    115                 if (!TextUtils.isEmpty(version)) {
    116                     summary = mContext.getString(R.string.android_version_summary, version);
    117                 }
    118                 break;
    119         }
    120         return summary;
    121     }
    122 
    123     /**
    124      * Trigger client initiated action (send intent) on system update
    125      */
    126     private void ciActionOnSysUpdate(PersistableBundle b) {
    127         String intentStr = b.getString(CarrierConfigManager.
    128                 KEY_CI_ACTION_ON_SYS_UPDATE_INTENT_STRING);
    129         if (!TextUtils.isEmpty(intentStr)) {
    130             String extra = b.getString(CarrierConfigManager.
    131                     KEY_CI_ACTION_ON_SYS_UPDATE_EXTRA_STRING);
    132             String extraVal = b.getString(CarrierConfigManager.
    133                     KEY_CI_ACTION_ON_SYS_UPDATE_EXTRA_VAL_STRING);
    134 
    135             Intent intent = new Intent(intentStr);
    136             if (!TextUtils.isEmpty(extra)) {
    137                 intent.putExtra(extra, extraVal);
    138             }
    139             Log.d(TAG, "ciActionOnSysUpdate: broadcasting intent " + intentStr +
    140                     " with extra " + extra + ", " + extraVal);
    141             mContext.getApplicationContext().sendBroadcast(intent);
    142         }
    143     }
    144 }