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.tv.settings.device.storage;
18 
19 import android.app.Activity;
20 import android.app.Fragment;
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.PackageManager;
26 import android.os.Bundle;
27 import android.os.storage.DiskInfo;
28 import android.os.storage.StorageManager;
29 import android.os.storage.VolumeInfo;
30 import android.support.annotation.NonNull;
31 import android.support.annotation.Nullable;
32 import android.support.v4.content.LocalBroadcastManager;
33 import android.text.TextUtils;
34 import android.util.Log;
35 import android.widget.Toast;
36 
37 import com.android.tv.settings.R;
38 
39 import java.util.List;
40 
41 public class FormatActivity extends Activity
42         implements FormatAsPrivateStepFragment.Callback,
43         FormatAsPublicStepFragment.Callback, SlowDriveStepFragment.Callback {
44 
45     private static final String TAG = "FormatActivity";
46 
47     public static final String INTENT_ACTION_FORMAT_AS_PRIVATE =
48             "com.android.tv.settings.device.storage.FormatActivity.formatAsPrivate";
49     public static final String INTENT_ACTION_FORMAT_AS_PUBLIC =
50             "com.android.tv.settings.device.storage.FormatActivity.formatAsPublic";
51 
52     private static final String SAVE_STATE_FORMAT_PRIVATE_DISK_ID =
53             "StorageResetActivity.formatPrivateDiskId";
54     private static final String SAVE_STATE_FORMAT_DISK_DESC =
55             "StorageResetActivity.formatDiskDesc";
56     private static final String SAVE_STATE_FORMAT_PUBLIC_DISK_ID =
57             "StorageResetActivity.formatPrivateDiskId";
58 
59     // Non-null means we're in the process of formatting this volume as private
60     private String mFormatAsPrivateDiskId;
61     // Non-null means we're in the process of formatting this volume as public
62     private String mFormatAsPublicDiskId;
63 
64     private String mFormatDiskDesc;
65 
66     private final BroadcastReceiver mFormatReceiver = new FormatReceiver();
67     private PackageManager mPackageManager;
68     private StorageManager mStorageManager;
69 
getFormatAsPublicIntent(Context context, String diskId)70     public static Intent getFormatAsPublicIntent(Context context, String diskId) {
71         final Intent i = new Intent(context, FormatActivity.class);
72         i.setAction(INTENT_ACTION_FORMAT_AS_PUBLIC);
73         i.putExtra(DiskInfo.EXTRA_DISK_ID, diskId);
74         return i;
75     }
76 
getFormatAsPrivateIntent(Context context, String diskId)77     public static Intent getFormatAsPrivateIntent(Context context, String diskId) {
78         final Intent i = new Intent(context, FormatActivity.class);
79         i.setAction(INTENT_ACTION_FORMAT_AS_PRIVATE);
80         i.putExtra(DiskInfo.EXTRA_DISK_ID, diskId);
81         return i;
82     }
83 
84     @Override
onCreate(@ullable Bundle savedInstanceState)85     protected void onCreate(@Nullable Bundle savedInstanceState) {
86         super.onCreate(savedInstanceState);
87 
88         mPackageManager = getPackageManager();
89         mStorageManager = getSystemService(StorageManager.class);
90 
91         final IntentFilter filter = new IntentFilter();
92         filter.addAction(SettingsStorageService.ACTION_FORMAT_AS_PRIVATE);
93         filter.addAction(SettingsStorageService.ACTION_FORMAT_AS_PUBLIC);
94         LocalBroadcastManager.getInstance(this).registerReceiver(mFormatReceiver, filter);
95 
96         if (savedInstanceState != null) {
97             mFormatAsPrivateDiskId =
98                     savedInstanceState.getString(SAVE_STATE_FORMAT_PRIVATE_DISK_ID);
99             mFormatAsPublicDiskId = savedInstanceState.getString(SAVE_STATE_FORMAT_PUBLIC_DISK_ID);
100             mFormatDiskDesc = savedInstanceState.getString(SAVE_STATE_FORMAT_DISK_DESC);
101         } else {
102             final String diskId = getIntent().getStringExtra(DiskInfo.EXTRA_DISK_ID);
103             final String action = getIntent().getAction();
104             final Fragment f;
105             if (TextUtils.equals(action, INTENT_ACTION_FORMAT_AS_PRIVATE)) {
106                 f = FormatAsPrivateStepFragment.newInstance(diskId);
107             } else if (TextUtils.equals(action, INTENT_ACTION_FORMAT_AS_PUBLIC)) {
108                 f = FormatAsPublicStepFragment.newInstance(diskId);
109             } else {
110                 throw new IllegalStateException("No known action specified");
111             }
112             getFragmentManager().beginTransaction()
113                     .add(android.R.id.content, f)
114                     .commit();
115         }
116     }
117 
118     @Override
onResume()119     protected void onResume() {
120         super.onResume();
121         if (!TextUtils.isEmpty(mFormatAsPrivateDiskId)) {
122             final VolumeInfo volumeInfo = findVolume(mFormatAsPrivateDiskId);
123             if (volumeInfo != null && volumeInfo.getType() == VolumeInfo.TYPE_PRIVATE) {
124                 // Formatting must have completed while we were paused
125                 // We've lost the benchmark data, so just assume the drive is fast enough
126                 handleFormatAsPrivateComplete(-1, -1);
127             }
128         }
129     }
130 
131     @Override
onDestroy()132     protected void onDestroy() {
133         super.onDestroy();
134         LocalBroadcastManager.getInstance(this).unregisterReceiver(mFormatReceiver);
135     }
136 
findVolume(String diskId)137     private VolumeInfo findVolume(String diskId) {
138         final List<VolumeInfo> vols = mStorageManager.getVolumes();
139         for (final VolumeInfo vol : vols) {
140             if (TextUtils.equals(diskId, vol.getDiskId())
141                     && (vol.getType() == VolumeInfo.TYPE_PRIVATE)) {
142                 return vol;
143             }
144         }
145         return null;
146     }
147 
148     @Override
onSaveInstanceState(@onNull Bundle outState)149     protected void onSaveInstanceState(@NonNull Bundle outState) {
150         super.onSaveInstanceState(outState);
151         outState.putString(SAVE_STATE_FORMAT_PRIVATE_DISK_ID, mFormatAsPrivateDiskId);
152         outState.putString(SAVE_STATE_FORMAT_PUBLIC_DISK_ID, mFormatAsPublicDiskId);
153         outState.putString(SAVE_STATE_FORMAT_DISK_DESC, mFormatDiskDesc);
154     }
155 
handleFormatAsPrivateComplete(float privateBench, float internalBench)156     private void handleFormatAsPrivateComplete(float privateBench, float internalBench) {
157         if (Math.abs(-1 - privateBench) < 0.1) {
158             final float frac = privateBench / internalBench;
159             Log.d(TAG, "New volume is " + frac + "x the speed of internal");
160 
161             // TODO: better threshold
162             if (privateBench > 2000000000) {
163                 getFragmentManager().beginTransaction()
164                         .replace(android.R.id.content,
165                                 SlowDriveStepFragment.newInstance())
166                         .commit();
167                 return;
168             }
169         }
170         launchMigrateStorageAndFinish(mFormatAsPrivateDiskId);
171     }
172 
173     private class FormatReceiver extends BroadcastReceiver {
174 
175         @Override
onReceive(Context context, Intent intent)176         public void onReceive(Context context, Intent intent) {
177             if (TextUtils.equals(intent.getAction(),
178                     SettingsStorageService.ACTION_FORMAT_AS_PRIVATE)
179                     && !TextUtils.isEmpty(mFormatAsPrivateDiskId)) {
180                 final String diskId = intent.getStringExtra(DiskInfo.EXTRA_DISK_ID);
181                 if (TextUtils.equals(mFormatAsPrivateDiskId, diskId)) {
182                     final boolean success =
183                             intent.getBooleanExtra(SettingsStorageService.EXTRA_SUCCESS, false);
184                     if (success) {
185                         if (isResumed()) {
186                             final float privateBench = intent.getFloatExtra(
187                                     SettingsStorageService.EXTRA_PRIVATE_BENCH, -1);
188                             final float internalBench = intent.getFloatExtra(
189                                     SettingsStorageService.EXTRA_INTERNAL_BENCH, -1);
190                             handleFormatAsPrivateComplete(privateBench, internalBench);
191                         }
192 
193                         Toast.makeText(context, getString(
194                                 R.string.storage_format_success, mFormatDiskDesc),
195                                 Toast.LENGTH_SHORT).show();
196                     } else {
197                         Toast.makeText(context,
198                                 getString(R.string.storage_format_failure, mFormatDiskDesc),
199                                 Toast.LENGTH_SHORT).show();
200                         finish();
201                     }
202                 }
203             } else if (TextUtils.equals(intent.getAction(),
204                     SettingsStorageService.ACTION_FORMAT_AS_PUBLIC)
205                     && !TextUtils.isEmpty(mFormatAsPublicDiskId)) {
206                 final String diskId = intent.getStringExtra(DiskInfo.EXTRA_DISK_ID);
207                 if (TextUtils.equals(mFormatAsPublicDiskId, diskId)) {
208                     final boolean success =
209                             intent.getBooleanExtra(SettingsStorageService.EXTRA_SUCCESS, false);
210                     if (success) {
211                         Toast.makeText(context,
212                                 getString(R.string.storage_format_success,
213                                         mFormatDiskDesc), Toast.LENGTH_SHORT).show();
214                     } else {
215                         Toast.makeText(context,
216                                 getString(R.string.storage_format_failure,
217                                         mFormatDiskDesc), Toast.LENGTH_SHORT).show();
218                     }
219                     finish();
220                 }
221             }
222         }
223     }
224 
225     @Override
onRequestFormatAsPrivate(String diskId)226     public void onRequestFormatAsPrivate(String diskId) {
227         final FormattingProgressFragment fragment = FormattingProgressFragment.newInstance();
228         getFragmentManager().beginTransaction()
229                 .replace(android.R.id.content, fragment)
230                 .commit();
231 
232         mFormatAsPrivateDiskId = diskId;
233         final List<VolumeInfo> volumes = mStorageManager.getVolumes();
234         for (final VolumeInfo volume : volumes) {
235             if ((volume.getType() == VolumeInfo.TYPE_PRIVATE ||
236                     volume.getType() == VolumeInfo.TYPE_PUBLIC) &&
237                     TextUtils.equals(volume.getDiskId(), diskId)) {
238                 mFormatDiskDesc = mStorageManager.getBestVolumeDescription(volume);
239             }
240         }
241         if (TextUtils.isEmpty(mFormatDiskDesc)) {
242             final DiskInfo info = mStorageManager.findDiskById(diskId);
243             if (info != null) {
244                 mFormatDiskDesc = info.getDescription();
245             }
246         }
247         SettingsStorageService.formatAsPrivate(this, diskId);
248     }
249 
launchMigrateStorageAndFinish(String diskId)250     private void launchMigrateStorageAndFinish(String diskId) {
251         final List<VolumeInfo> candidates =
252                 mPackageManager.getPrimaryStorageCandidateVolumes();
253         VolumeInfo moveTarget = null;
254         for (final VolumeInfo candidate : candidates) {
255             if (TextUtils.equals(candidate.getDiskId(), diskId)) {
256                 moveTarget = candidate;
257                 break;
258             }
259         }
260 
261         if (moveTarget != null) {
262             startActivity(MigrateStorageActivity.getLaunchIntent(this, moveTarget.getId(), true));
263         }
264 
265         finish();
266     }
267 
268     @Override
onRequestFormatAsPublic(String diskId, String volumeId)269     public void onRequestFormatAsPublic(String diskId, String volumeId) {
270         final FormattingProgressFragment fragment = FormattingProgressFragment.newInstance();
271         getFragmentManager().beginTransaction()
272                 .replace(android.R.id.content, fragment)
273                 .commit();
274 
275         mFormatAsPublicDiskId = diskId;
276         if (!TextUtils.isEmpty(volumeId)) {
277             final VolumeInfo info = mStorageManager.findVolumeById(volumeId);
278             if (info != null) {
279                 mFormatDiskDesc = mStorageManager.getBestVolumeDescription(info);
280             }
281         }
282         if (TextUtils.isEmpty(mFormatDiskDesc)) {
283             final DiskInfo info = mStorageManager.findDiskById(diskId);
284             if (info != null) {
285                 mFormatDiskDesc = info.getDescription();
286             }
287         }
288         SettingsStorageService.formatAsPublic(this, diskId);
289     }
290 
291     @Override
onCancelFormatDialog()292     public void onCancelFormatDialog() {
293         finish();
294     }
295 
296     @Override
onSlowDriveWarningComplete()297     public void onSlowDriveWarningComplete() {
298         launchMigrateStorageAndFinish(mFormatAsPrivateDiskId);
299     }
300 }
301