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      1 /*
      2  * Copyright (C) 2015 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;
     18 
     19 import android.app.Activity;
     20 import android.app.ProgressDialog;
     21 import android.content.BroadcastReceiver;
     22 import android.content.Context;
     23 import android.content.Intent;
     24 import android.content.IntentFilter;
     25 import android.content.pm.ResolveInfo;
     26 import android.os.Bundle;
     27 import android.os.Handler;
     28 import android.os.Message;
     29 import android.os.PowerManager;
     30 import android.os.SystemClock;
     31 import android.os.UserManager;
     32 import android.provider.Settings;
     33 import android.util.Log;
     34 import android.view.View;
     35 import android.view.WindowManager;
     36 import android.view.WindowManager.LayoutParams;
     37 import android.view.animation.AnimationUtils;
     38 
     39 import java.util.Objects;
     40 
     41 public class FallbackHome extends Activity {
     42     private static final String TAG = "FallbackHome";
     43     private static final int PROGRESS_TIMEOUT = 2000;
     44 
     45     private boolean mProvisioned;
     46 
     47     private final Runnable mProgressTimeoutRunnable = () -> {
     48         View v = getLayoutInflater().inflate(
     49                 R.layout.fallback_home_finishing_boot, null /* root */);
     50         setContentView(v);
     51         v.setAlpha(0f);
     52         v.animate()
     53                 .alpha(1f)
     54                 .setDuration(500)
     55                 .setInterpolator(AnimationUtils.loadInterpolator(
     56                         this, android.R.interpolator.fast_out_slow_in))
     57                 .start();
     58         getWindow().addFlags(LayoutParams.FLAG_KEEP_SCREEN_ON);
     59     };
     60 
     61     @Override
     62     protected void onCreate(Bundle savedInstanceState) {
     63         super.onCreate(savedInstanceState);
     64 
     65         // Set ourselves totally black before the device is provisioned so that
     66         // we don't flash the wallpaper before SUW
     67         mProvisioned = Settings.Global.getInt(getContentResolver(),
     68                 Settings.Global.DEVICE_PROVISIONED, 0) != 0;
     69         if (!mProvisioned) {
     70             setTheme(R.style.FallbackHome_SetupWizard);
     71             getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN
     72                     | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
     73         } else {
     74             getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
     75                     | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION);
     76         }
     77 
     78         registerReceiver(mReceiver, new IntentFilter(Intent.ACTION_USER_UNLOCKED));
     79         maybeFinish();
     80     }
     81 
     82     @Override
     83     protected void onResume() {
     84         super.onResume();
     85         if (mProvisioned) {
     86             mHandler.postDelayed(mProgressTimeoutRunnable, PROGRESS_TIMEOUT);
     87         }
     88     }
     89 
     90     @Override
     91     protected void onPause() {
     92         super.onPause();
     93         mHandler.removeCallbacks(mProgressTimeoutRunnable);
     94     }
     95 
     96     protected void onDestroy() {
     97         super.onDestroy();
     98         unregisterReceiver(mReceiver);
     99     }
    100 
    101     private BroadcastReceiver mReceiver = new BroadcastReceiver() {
    102         @Override
    103         public void onReceive(Context context, Intent intent) {
    104             maybeFinish();
    105         }
    106     };
    107 
    108     private void maybeFinish() {
    109         if (getSystemService(UserManager.class).isUserUnlocked()) {
    110             final Intent homeIntent = new Intent(Intent.ACTION_MAIN)
    111                     .addCategory(Intent.CATEGORY_HOME);
    112             final ResolveInfo homeInfo = getPackageManager().resolveActivity(homeIntent, 0);
    113             if (Objects.equals(getPackageName(), homeInfo.activityInfo.packageName)) {
    114                 Log.d(TAG, "User unlocked but no home; let's hope someone enables one soon?");
    115                 mHandler.sendEmptyMessageDelayed(0, 500);
    116             } else {
    117                 Log.d(TAG, "User unlocked and real home found; let's go!");
    118                 getSystemService(PowerManager.class).userActivity(
    119                         SystemClock.uptimeMillis(), false);
    120                 finish();
    121             }
    122         }
    123     }
    124 
    125     private Handler mHandler = new Handler() {
    126         @Override
    127         public void handleMessage(Message msg) {
    128             maybeFinish();
    129         }
    130     };
    131 }
    132