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.deviceinfo; 18 19 import android.content.Context; 20 import android.content.res.ColorStateList; 21 import android.graphics.Color; 22 import android.graphics.drawable.Drawable; 23 import android.os.storage.StorageManager; 24 import android.os.storage.VolumeInfo; 25 import android.support.v7.preference.Preference; 26 import android.support.v7.preference.PreferenceViewHolder; 27 import android.text.format.Formatter; 28 import android.view.View; 29 import android.view.View.OnClickListener; 30 import android.widget.ImageView; 31 import android.widget.ProgressBar; 32 33 import com.android.settings.R; 34 import com.android.settings.deviceinfo.StorageSettings.UnmountTask; 35 import com.android.settingslib.Utils; 36 37 import java.io.File; 38 39 /** 40 * Preference line representing a single {@link VolumeInfo}, possibly including 41 * quick actions like unmounting. 42 */ 43 public class StorageVolumePreference extends Preference { 44 private final StorageManager mStorageManager; 45 private final VolumeInfo mVolume; 46 47 private int mColor; 48 private int mUsedPercent = -1; 49 50 // TODO: ideally, VolumeInfo should have a total physical size. StorageVolumePreference(Context context, VolumeInfo volume, int color, long totalBytes)51 public StorageVolumePreference(Context context, VolumeInfo volume, int color, long totalBytes) { 52 super(context); 53 54 mStorageManager = context.getSystemService(StorageManager.class); 55 mVolume = volume; 56 mColor = color; 57 58 setLayoutResource(R.layout.storage_volume); 59 60 setKey(volume.getId()); 61 setTitle(mStorageManager.getBestVolumeDescription(volume)); 62 63 Drawable icon; 64 if (VolumeInfo.ID_PRIVATE_INTERNAL.equals(volume.getId())) { 65 icon = context.getDrawable(R.drawable.ic_settings_storage); 66 } else { 67 icon = context.getDrawable(R.drawable.ic_sim_sd); 68 } 69 70 if (volume.isMountedReadable()) { 71 // TODO: move statfs() to background thread 72 final File path = volume.getPath(); 73 if (totalBytes <= 0) { 74 totalBytes = path.getTotalSpace(); 75 } 76 final long freeBytes = path.getFreeSpace(); 77 final long usedBytes = totalBytes - freeBytes; 78 79 final String used = Formatter.formatFileSize(context, usedBytes); 80 final String total = Formatter.formatFileSize(context, totalBytes); 81 setSummary(context.getString(R.string.storage_volume_summary, used, total)); 82 if (totalBytes > 0) { 83 mUsedPercent = (int) ((usedBytes * 100) / totalBytes); 84 } 85 86 if (freeBytes < mStorageManager.getStorageLowBytes(path)) { 87 mColor = Utils.getColorAttr(context, android.R.attr.colorError); 88 icon = context.getDrawable(R.drawable.ic_warning_24dp); 89 } 90 91 } else { 92 setSummary(volume.getStateDescription()); 93 mUsedPercent = -1; 94 } 95 96 icon.mutate(); 97 icon.setTint(mColor); 98 setIcon(icon); 99 100 if (volume.getType() == VolumeInfo.TYPE_PUBLIC 101 && volume.isMountedReadable()) { 102 setWidgetLayoutResource(R.layout.preference_storage_action); 103 } 104 } 105 106 @Override onBindViewHolder(PreferenceViewHolder view)107 public void onBindViewHolder(PreferenceViewHolder view) { 108 final ImageView unmount = (ImageView) view.findViewById(R.id.unmount); 109 if (unmount != null) { 110 unmount.setImageTintList(ColorStateList.valueOf(Color.parseColor("#8a000000"))); 111 unmount.setOnClickListener(mUnmountListener); 112 } 113 114 final ProgressBar progress = (ProgressBar) view.findViewById(android.R.id.progress); 115 if (mVolume.getType() == VolumeInfo.TYPE_PRIVATE && mUsedPercent != -1) { 116 progress.setVisibility(View.VISIBLE); 117 progress.setProgress(mUsedPercent); 118 progress.setProgressTintList(ColorStateList.valueOf(mColor)); 119 } else { 120 progress.setVisibility(View.GONE); 121 } 122 123 super.onBindViewHolder(view); 124 } 125 126 private final View.OnClickListener mUnmountListener = new OnClickListener() { 127 @Override 128 public void onClick(View v) { 129 new UnmountTask(getContext(), mVolume).execute(); 130 } 131 }; 132 } 133