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/*
* Copyright (C) 2015 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.ColorStateList;
import android.graphics.Color;
import android.graphics.drawable.Drawable;
import android.os.storage.StorageManager;
import android.os.storage.VolumeInfo;
import android.preference.Preference;
import android.text.format.Formatter;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.TextView;
import com.android.settings.R;
import com.android.settings.deviceinfo.StorageSettings.UnmountTask;
import java.io.File;
/**
* Preference line representing a single {@link VolumeInfo}, possibly including
* quick actions like unmounting.
*/
public class StorageVolumePreference extends Preference {
private final StorageManager mStorageManager;
private final VolumeInfo mVolume;
private int mColor;
private int mUsedPercent = -1;
public StorageVolumePreference(Context context, VolumeInfo volume, int color) {
super(context);
mStorageManager = context.getSystemService(StorageManager.class);
mVolume = volume;
mColor = color;
setLayoutResource(R.layout.storage_volume);
setKey(volume.getId());
setTitle(mStorageManager.getBestVolumeDescription(volume));
Drawable icon;
if (VolumeInfo.ID_PRIVATE_INTERNAL.equals(volume.getId())) {
icon = context.getDrawable(R.drawable.ic_settings_storage);
} else {
icon = context.getDrawable(R.drawable.ic_sim_sd);
}
if (volume.isMountedReadable()) {
// TODO: move statfs() to background thread
final File path = volume.getPath();
final long freeBytes = path.getFreeSpace();
final long totalBytes = path.getTotalSpace();
final long usedBytes = totalBytes - freeBytes;
final String used = Formatter.formatFileSize(context, usedBytes);
final String total = Formatter.formatFileSize(context, totalBytes);
setSummary(context.getString(R.string.storage_volume_summary, used, total));
mUsedPercent = (int) ((usedBytes * 100) / totalBytes);
if (freeBytes < mStorageManager.getStorageLowBytes(path)) {
mColor = StorageSettings.COLOR_WARNING;
icon = context.getDrawable(R.drawable.ic_warning_24dp);
}
} else {
setSummary(volume.getStateDescription());
mUsedPercent = -1;
}
icon.mutate();
icon.setTint(mColor);
setIcon(icon);
if (volume.getType() == VolumeInfo.TYPE_PUBLIC
&& volume.isMountedReadable()) {
setWidgetLayoutResource(R.layout.preference_storage_action);
}
}
@Override
protected void onBindView(View view) {
final ImageView unmount = (ImageView) view.findViewById(R.id.unmount);
if (unmount != null) {
unmount.getDrawable().setTint(Color.parseColor("#8a000000"));
unmount.setOnClickListener(mUnmountListener);
}
final ProgressBar progress = (ProgressBar) view.findViewById(android.R.id.progress);
if (mVolume.getType() == VolumeInfo.TYPE_PRIVATE && mUsedPercent != -1) {
progress.setVisibility(View.VISIBLE);
progress.setProgress(mUsedPercent);
progress.setProgressTintList(ColorStateList.valueOf(mColor));
} else {
progress.setVisibility(View.GONE);
}
super.onBindView(view);
}
private final View.OnClickListener mUnmountListener = new OnClickListener() {
@Override
public void onClick(View v) {
new UnmountTask(getContext(), mVolume).execute();
}
};
}
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