| /* |
| * Copyright (C) 2016 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.settingslib.deviceinfo; |
| |
| import android.app.AppGlobals; |
| import android.app.usage.StorageStatsManager; |
| import android.content.Context; |
| import android.os.storage.VolumeInfo; |
| import android.util.Log; |
| |
| import java.io.IOException; |
| |
| /** |
| * PrivateStorageInfo provides information about the total and free storage on the device. |
| */ |
| public class PrivateStorageInfo { |
| private static final String TAG = "PrivateStorageInfo"; |
| |
| public final long freeBytes; |
| public final long totalBytes; |
| |
| public PrivateStorageInfo(long freeBytes, long totalBytes) { |
| this.freeBytes = freeBytes; |
| this.totalBytes = totalBytes; |
| } |
| |
| public static PrivateStorageInfo getPrivateStorageInfo(StorageVolumeProvider sm) { |
| final Context context = AppGlobals.getInitialApplication(); |
| final StorageStatsManager stats = context.getSystemService(StorageStatsManager.class); |
| |
| long privateFreeBytes = 0; |
| long privateTotalBytes = 0; |
| for (VolumeInfo info : sm.getVolumes()) { |
| if (info.getType() == VolumeInfo.TYPE_PRIVATE && info.isMountedReadable()) { |
| try { |
| privateTotalBytes += sm.getTotalBytes(stats, info); |
| privateFreeBytes += sm.getFreeBytes(stats, info); |
| } catch (IOException e) { |
| Log.w(TAG, e); |
| } |
| } |
| } |
| return new PrivateStorageInfo(privateFreeBytes, privateTotalBytes); |
| } |
| |
| public static long getTotalSize(VolumeInfo info, long totalInternalStorage) { |
| final Context context = AppGlobals.getInitialApplication(); |
| final StorageStatsManager stats = context.getSystemService(StorageStatsManager.class); |
| try { |
| return stats.getTotalBytes(info.getFsUuid()); |
| } catch (IOException e) { |
| Log.w(TAG, e); |
| return 0; |
| } |
| } |
| } |