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      1 /*
      2  * Copyright 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.managedprovisioning.task;
     18 
     19 import android.app.AppGlobals;
     20 import android.content.ComponentName;
     21 import android.content.Context;
     22 import android.content.Intent;
     23 import android.content.pm.ComponentInfo;
     24 import android.content.pm.PackageManager;
     25 import android.content.pm.ResolveInfo;
     26 
     27 import com.android.managedprovisioning.common.ProvisionLogger;
     28 import com.android.managedprovisioning.R;
     29 import com.android.managedprovisioning.common.Utils;
     30 import com.android.managedprovisioning.model.ProvisioningParams;
     31 
     32 import java.util.List;
     33 import java.util.Set;
     34 
     35 
     36 /**
     37  * Disables all system app components that listen to ACTION_INSTALL_SHORTCUT.
     38  */
     39 public class DisableInstallShortcutListenersTask extends AbstractProvisioningTask {
     40     private final PackageManager mPm;
     41     private int mUserId;
     42 
     43     private final Utils mUtils = new Utils();
     44 
     45     public DisableInstallShortcutListenersTask(
     46             Context context,
     47             ProvisioningParams params,
     48             Callback callback) {
     49         super(context, params, callback);
     50 
     51         mPm = context.getPackageManager();
     52     }
     53 
     54     @Override
     55     public void run(int userId) {
     56         mUserId = userId;
     57         ProvisionLogger.logd("Disabling install shortcut listeners.");
     58         Intent actionShortcut = new Intent("com.android.launcher.action.INSTALL_SHORTCUT");
     59         Set<String> systemApps = mUtils.getCurrentSystemApps(AppGlobals.getPackageManager(),
     60                 mUserId);
     61         for (String systemApp : systemApps) {
     62             actionShortcut.setPackage(systemApp);
     63             disableReceivers(actionShortcut);
     64         }
     65         success();
     66     }
     67 
     68     @Override
     69     public int getStatusMsgId() {
     70         return R.string.progress_finishing_touches;
     71     }
     72 
     73     /**
     74      * Disable all components that can handle the specified broadcast intent.
     75      */
     76     private void disableReceivers(Intent intent) {
     77         List<ResolveInfo> receivers = mPm.queryBroadcastReceiversAsUser(intent,
     78                 PackageManager.MATCH_DIRECT_BOOT_UNAWARE | PackageManager.MATCH_DIRECT_BOOT_AWARE,
     79                 mUserId);
     80         for (ResolveInfo ri : receivers) {
     81             // One of ri.activityInfo, ri.serviceInfo, ri.providerInfo is not null. Let's find which
     82             // one.
     83             ComponentInfo ci;
     84             if (ri.activityInfo != null) {
     85                 ci = ri.activityInfo;
     86             } else if (ri.serviceInfo != null) {
     87                 ci = ri.serviceInfo;
     88             } else {
     89                 ci = ri.providerInfo;
     90             }
     91             mUtils.disableComponent(new ComponentName(ci.packageName, ci.name), mUserId);
     92         }
     93     }
     94 }
     95