| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.tv.settings.device.storage; |
| |
| import android.app.ActivityManager; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.UserInfo; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.os.storage.DiskInfo; |
| import android.os.storage.StorageManager; |
| import android.os.storage.VolumeInfo; |
| import android.os.storage.VolumeRecord; |
| import android.provider.Settings; |
| import android.text.TextUtils; |
| import android.util.Log; |
| import android.widget.Toast; |
| |
| import com.android.tv.settings.R; |
| |
| import java.util.List; |
| |
| /** |
| * Broadcast receiver invoked when a USB device is connected/disconnected/scanned. |
| */ |
| public class DiskReceiver extends BroadcastReceiver { |
| private static final String TAG = "DiskReceiver"; |
| |
| private StorageManager mStorageManager; |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| final UserManager userManager = |
| (UserManager) context.getSystemService(Context.USER_SERVICE); |
| final UserInfo userInfo = userManager.getUserInfo(UserHandle.myUserId()); |
| |
| if (userInfo.isRestricted() |
| || ActivityManager.getCurrentUser() != UserHandle.myUserId()) { |
| Log.d(TAG, "Ignoring storage notification: wrong user"); |
| return; |
| } |
| |
| if (Settings.Secure.getInt(context.getContentResolver(), |
| Settings.Secure.USER_SETUP_COMPLETE, 0) == 0) { |
| Log.d(TAG, "Ignoring storage notification: setup not complete"); |
| return; |
| } |
| |
| mStorageManager = context.getSystemService(StorageManager.class); |
| |
| if (TextUtils.equals(intent.getAction(), VolumeInfo.ACTION_VOLUME_STATE_CHANGED)) { |
| final int state = intent.getIntExtra(VolumeInfo.EXTRA_VOLUME_STATE, -1); |
| if (state == VolumeInfo.STATE_MOUNTED |
| || state == VolumeInfo.STATE_MOUNTED_READ_ONLY) { |
| handleMount(context, intent); |
| } else if (state == VolumeInfo.STATE_UNMOUNTED |
| || state == VolumeInfo.STATE_BAD_REMOVAL) { |
| handleUnmount(context, intent); |
| } |
| } else if (TextUtils.equals(intent.getAction(), |
| "com.google.android.tungsten.setupwraith.TV_SETTINGS_POST_SETUP")) { |
| handleSetupComplete(context); |
| } |
| } |
| |
| private void handleMount(Context context, Intent intent) { |
| final String volumeId = intent.getStringExtra(VolumeInfo.EXTRA_VOLUME_ID); |
| |
| final List<VolumeInfo> volumeInfos = mStorageManager.getVolumes(); |
| for (final VolumeInfo info : volumeInfos) { |
| if (!TextUtils.equals(info.getId(), volumeId)) { |
| continue; |
| } |
| Log.d(TAG, "Scanning volume: " + info); |
| if (info.getType() == VolumeInfo.TYPE_PRIVATE |
| && !TextUtils.equals(volumeId, VolumeInfo.ID_PRIVATE_INTERNAL)) { |
| Toast.makeText(context, R.string.storage_mount_adopted, Toast.LENGTH_SHORT) |
| .show(); |
| return; |
| } |
| } |
| } |
| |
| private void handleUnmount(Context context, Intent intent) { |
| final String fsUuid = intent.getStringExtra(VolumeRecord.EXTRA_FS_UUID); |
| if (TextUtils.isEmpty(fsUuid)) { |
| Log.e(TAG, "Missing fsUuid, not launching activity."); |
| return; |
| } |
| VolumeRecord volumeRecord = null; |
| try { |
| volumeRecord = mStorageManager.findRecordByUuid(fsUuid); |
| } catch (Exception e) { |
| Log.e(TAG, "Error finding volume record", e); |
| } |
| if (volumeRecord == null) { |
| return; |
| } |
| Log.d(TAG, "Found ejected volume: " + volumeRecord + " for FSUUID: " + fsUuid); |
| if (volumeRecord.getType() == VolumeInfo.TYPE_PRIVATE) { |
| final Intent i = NewStorageActivity.getMissingStorageLaunchIntent(context, fsUuid); |
| setPopupLaunchFlags(i); |
| context.startActivity(i); |
| } |
| } |
| |
| private void handleSetupComplete(Context context) { |
| Log.d(TAG, "Scanning for storage post-setup"); |
| |
| final List<DiskInfo> diskInfos = mStorageManager.getDisks(); |
| for (DiskInfo diskInfo : diskInfos) { |
| Log.d(TAG, "Scanning disk: " + diskInfo); |
| if (diskInfo.size <= 0) { |
| Log.d(TAG, "Disk ID " + diskInfo.id + " has no media"); |
| continue; |
| } |
| if (diskInfo.volumeCount != 0) { |
| Log.d(TAG, "Disk ID " + diskInfo.id + " has usable volumes, deferring"); |
| continue; |
| } |
| // No usable volumes, prompt the user to erase the disk |
| final Intent i = |
| NewStorageActivity.getNewStorageLaunchIntent(context, null, diskInfo.id); |
| setPopupLaunchFlags(i); |
| context.startActivity(i); |
| return; |
| } |
| |
| final List<VolumeInfo> volumeInfos = mStorageManager.getVolumes(); |
| for (final VolumeInfo info : volumeInfos) { |
| final String uuid = info.getFsUuid(); |
| Log.d(TAG, "Scanning volume: " + info); |
| if (info.getType() != VolumeInfo.TYPE_PUBLIC || TextUtils.isEmpty(uuid)) { |
| continue; |
| } |
| final VolumeRecord record = mStorageManager.findRecordByUuid(uuid); |
| if (record.isInited() || record.isSnoozed()) { |
| continue; |
| } |
| final DiskInfo disk = info.getDisk(); |
| if (disk.isAdoptable()) { |
| final Intent i = NewStorageActivity.getNewStorageLaunchIntent(context, |
| info.getId(), disk.getId()); |
| setPopupLaunchFlags(i); |
| context.startActivity(i); |
| return; |
| } |
| } |
| } |
| |
| private void setPopupLaunchFlags(Intent intent) { |
| intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); |
| } |
| } |