| /* |
| * 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.settings.deviceinfo.storage; |
| |
| import android.content.Context; |
| import android.os.storage.VolumeInfo; |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceScreen; |
| import android.text.TextUtils; |
| import android.text.format.Formatter; |
| |
| import com.android.settings.R; |
| import com.android.settings.core.PreferenceControllerMixin; |
| import com.android.settingslib.core.AbstractPreferenceController; |
| import com.android.settingslib.deviceinfo.StorageVolumeProvider; |
| |
| /** |
| * StorgaeSummaryPreferenceController updates the donut storage summary preference to have the |
| * correct sizes showing. |
| */ |
| public class StorageSummaryDonutPreferenceController extends AbstractPreferenceController implements |
| PreferenceControllerMixin { |
| private long mUsedBytes; |
| private long mTotalBytes; |
| private StorageSummaryDonutPreference mSummary; |
| |
| public StorageSummaryDonutPreferenceController(Context context) { |
| super(context); |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| mSummary = (StorageSummaryDonutPreference) screen.findPreference("pref_summary"); |
| mSummary.setEnabled(true); |
| } |
| |
| @Override |
| public void updateState(Preference preference) { |
| super.updateState(preference); |
| StorageSummaryDonutPreference summary = (StorageSummaryDonutPreference) preference; |
| final Formatter.BytesResult result = Formatter.formatBytes(mContext.getResources(), |
| mUsedBytes, 0); |
| summary.setTitle(TextUtils.expandTemplate( |
| mContext.getText(R.string.storage_size_large_alternate), result.value, |
| result.units)); |
| summary.setSummary(mContext.getString(R.string.storage_volume_total, |
| Formatter.formatShortFileSize(mContext, mTotalBytes))); |
| summary.setPercent(mUsedBytes, mTotalBytes); |
| summary.setEnabled(true); |
| } |
| |
| /** Invalidates the data on the view and re-renders. */ |
| public void invalidateData() { |
| if (mSummary != null) { |
| updateState(mSummary); |
| } |
| } |
| |
| @Override |
| public boolean isAvailable() { |
| return true; |
| } |
| |
| @Override |
| public String getPreferenceKey() { |
| return "pref_summary"; |
| } |
| |
| /** |
| * Updates the state of the donut preference for the next update. |
| * @param used Total number of used bytes on the summarized volume. |
| * @param total Total number of bytes on the summarized volume. |
| */ |
| public void updateBytes(long used, long total) { |
| mUsedBytes = used; |
| mTotalBytes = total; |
| invalidateData(); |
| } |
| |
| /** |
| * Updates the state of the donut preference for the next update using volume to summarize. |
| * @param volume VolumeInfo to use to populate the informayion. |
| */ |
| public void updateSizes(StorageVolumeProvider svp, VolumeInfo volume) { |
| final long sharedDataSize = volume.getPath().getTotalSpace(); |
| long totalSize = svp.getPrimaryStorageSize(); |
| |
| if (totalSize <= 0) { |
| totalSize = sharedDataSize; |
| } |
| |
| final long usedBytes = totalSize - volume.getPath().getFreeSpace(); |
| updateBytes(usedBytes, totalSize); |
| } |
| } |