| /* |
| * Copyright (C) 2011 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.settings.deviceinfo; |
| |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.icu.util.MeasureUnit; |
| import android.support.v7.preference.Preference; |
| import android.support.v7.preference.PreferenceViewHolder; |
| import android.util.AttributeSet; |
| import android.view.View; |
| import android.widget.ProgressBar; |
| |
| import com.android.settings.R; |
| import com.android.settings.utils.FileSizeFormatter; |
| |
| public class StorageItemPreference extends Preference { |
| public int userHandle; |
| |
| private static final int UNINITIALIZED = -1; |
| |
| private ProgressBar mProgressBar; |
| private static final int PROGRESS_MAX = 100; |
| private int mProgressPercent = UNINITIALIZED; |
| |
| public StorageItemPreference(Context context) { |
| this(context, null); |
| } |
| |
| public StorageItemPreference(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| setLayoutResource(R.layout.storage_item); |
| setSummary(R.string.memory_calculating_size); |
| } |
| |
| public void setStorageSize(long size, long total) { |
| setSummary( |
| FileSizeFormatter.formatFileSize( |
| getContext(), |
| size, |
| MeasureUnit.GIGABYTE, |
| FileSizeFormatter.GIGABYTE_IN_BYTES)); |
| if (total == 0) { |
| mProgressPercent = 0; |
| } else { |
| mProgressPercent = (int)(size * PROGRESS_MAX / total); |
| } |
| updateProgressBar(); |
| } |
| |
| protected void updateProgressBar() { |
| if (mProgressBar == null || mProgressPercent == UNINITIALIZED) |
| return; |
| |
| mProgressBar.setMax(PROGRESS_MAX); |
| mProgressBar.setProgress(mProgressPercent); |
| } |
| |
| @Override |
| public void onBindViewHolder(PreferenceViewHolder view) { |
| mProgressBar = (ProgressBar) view.findViewById(android.R.id.progress); |
| updateProgressBar(); |
| super.onBindViewHolder(view); |
| } |
| } |