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/*
* Copyright (C) 2013 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.documentsui.model;
import android.content.Context;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.res.Resources.NotFoundException;
import android.database.Cursor;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.provider.DocumentsContract;
import android.provider.DocumentsContract.RootColumns;
import com.android.documentsui.R;
import java.util.Comparator;
/**
* Representation of a root under a storage backend.
*/
public class Root {
public String rootId;
public int rootType;
public Uri uri;
public Drawable icon;
public String title;
public String summary;
public long availableBytes = -1;
public boolean isRecents;
public static Root buildRecents(Context context) {
final PackageManager pm = context.getPackageManager();
final Root root = new Root();
root.rootId = null;
root.rootType = DocumentsContract.ROOT_TYPE_SHORTCUT;
root.uri = null;
root.icon = context.getResources().getDrawable(R.drawable.ic_dir);
root.title = context.getString(R.string.root_recent);
root.summary = null;
root.availableBytes = -1;
root.isRecents = true;
return root;
}
public static Root fromCursor(
Context context, DocumentsProviderInfo info, Cursor cursor) {
final PackageManager pm = context.getPackageManager();
final Root root = new Root();
root.rootId = cursor.getString(cursor.getColumnIndex(RootColumns.ROOT_ID));
root.rootType = cursor.getInt(cursor.getColumnIndex(RootColumns.ROOT_TYPE));
root.uri = DocumentsContract.buildDocumentUri(
info.providerInfo.authority, root.rootId, DocumentsContract.ROOT_DOC_ID);
root.icon = info.providerInfo.loadIcon(pm);
root.title = info.providerInfo.loadLabel(pm).toString();
root.availableBytes = cursor.getLong(cursor.getColumnIndex(RootColumns.AVAILABLE_BYTES));
root.summary = null;
final int icon = cursor.getInt(cursor.getColumnIndex(RootColumns.ICON));
if (icon != 0) {
try {
root.icon = pm.getResourcesForApplication(info.providerInfo.applicationInfo)
.getDrawable(icon);
} catch (NotFoundException e) {
throw new RuntimeException(e);
} catch (NameNotFoundException e) {
throw new RuntimeException(e);
}
}
final String title = cursor.getString(cursor.getColumnIndex(RootColumns.TITLE));
if (title != null) {
root.title = title;
}
root.summary = cursor.getString(cursor.getColumnIndex(RootColumns.SUMMARY));
root.isRecents = false;
return root;
}
/**
* Return string most suited to showing in a directory listing.
*/
public String getDirectoryString() {
return (summary != null) ? summary : title;
}
public static class RootComparator implements Comparator<Root> {
@Override
public int compare(Root lhs, Root rhs) {
final int score = compareToIgnoreCaseNullable(lhs.title, rhs.title);
if (score != 0) {
return score;
} else {
return compareToIgnoreCaseNullable(lhs.summary, rhs.summary);
}
}
}
public static int compareToIgnoreCaseNullable(String lhs, String rhs) {
if (lhs == null) return -1;
if (rhs == null) return 1;
return lhs.compareToIgnoreCase(rhs);
}
}
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