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      1 /*
      2  * Copyright (C) 2017 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.deviceinfo.firmwareversion;
     18 
     19 import android.content.Context;
     20 import android.content.Intent;
     21 import android.os.Build;
     22 import android.os.SystemClock;
     23 import android.os.UserHandle;
     24 import android.os.UserManager;
     25 import android.support.annotation.VisibleForTesting;
     26 import android.util.Log;
     27 import android.view.View;
     28 
     29 import com.android.settings.R;
     30 import com.android.settingslib.RestrictedLockUtils;
     31 
     32 public class FirmwareVersionDialogController implements View.OnClickListener {
     33 
     34     private static final String TAG = "firmwareDialogCtrl";
     35     private static final int DELAY_TIMER_MILLIS = 500;
     36     private static final int ACTIVITY_TRIGGER_COUNT = 3;
     37 
     38     @VisibleForTesting
     39     static final int FIRMWARE_VERSION_VALUE_ID = R.id.firmware_version_value;
     40     @VisibleForTesting
     41     static final int FIRMWARE_VERSION_LABEL_ID = R.id.firmware_version_label;
     42 
     43     private final FirmwareVersionDialogFragment mDialog;
     44     private final Context mContext;
     45     private final UserManager mUserManager;
     46     private final long[] mHits = new long[ACTIVITY_TRIGGER_COUNT];
     47 
     48     private RestrictedLockUtils.EnforcedAdmin mFunDisallowedAdmin;
     49     private boolean mFunDisallowedBySystem;
     50 
     51     public FirmwareVersionDialogController(FirmwareVersionDialogFragment dialog) {
     52         mDialog = dialog;
     53         mContext = dialog.getContext();
     54         mUserManager = (UserManager) mContext.getSystemService(Context.USER_SERVICE);
     55     }
     56 
     57     @Override
     58     public void onClick(View v) {
     59         arrayCopy();
     60         mHits[mHits.length - 1] = SystemClock.uptimeMillis();
     61         if (mHits[0] >= (SystemClock.uptimeMillis() - DELAY_TIMER_MILLIS)) {
     62             if (mUserManager.hasUserRestriction(UserManager.DISALLOW_FUN)) {
     63                 if (mFunDisallowedAdmin != null && !mFunDisallowedBySystem) {
     64                     RestrictedLockUtils.sendShowAdminSupportDetailsIntent(mContext,
     65                             mFunDisallowedAdmin);
     66                 }
     67                 Log.d(TAG, "Sorry, no fun for you!");
     68                 return;
     69             }
     70 
     71             final Intent intent = new Intent(Intent.ACTION_MAIN)
     72                     .setClassName(
     73                             "android", com.android.internal.app.PlatLogoActivity.class.getName());
     74             try {
     75                 mContext.startActivity(intent);
     76             } catch (Exception e) {
     77                 Log.e(TAG, "Unable to start activity " + intent.toString());
     78             }
     79         }
     80     }
     81 
     82     /**
     83      * Populates the Android version field in the dialog and registers click listeners.
     84      */
     85     public void initialize() {
     86         initializeAdminPermissions();
     87         registerClickListeners();
     88 
     89         mDialog.setText(FIRMWARE_VERSION_VALUE_ID, Build.VERSION.RELEASE);
     90     }
     91 
     92     private void registerClickListeners() {
     93         mDialog.registerClickListener(FIRMWARE_VERSION_LABEL_ID, this /* listener */);
     94         mDialog.registerClickListener(FIRMWARE_VERSION_VALUE_ID, this /* listener */);
     95     }
     96 
     97     /**
     98      * Copies the array onto itself to remove the oldest hit.
     99      */
    100     @VisibleForTesting
    101     void arrayCopy() {
    102         System.arraycopy(mHits, 1, mHits, 0, mHits.length - 1);
    103     }
    104 
    105     @VisibleForTesting
    106     void initializeAdminPermissions() {
    107         mFunDisallowedAdmin = RestrictedLockUtils.checkIfRestrictionEnforced(
    108                 mContext, UserManager.DISALLOW_FUN, UserHandle.myUserId());
    109         mFunDisallowedBySystem = RestrictedLockUtils.hasBaseUserRestriction(
    110                 mContext, UserManager.DISALLOW_FUN, UserHandle.myUserId());
    111     }
    112 }
    113