RootInfo.java revision ae9b51bfa313c51a31af30875a71255d7b6d2e61 
1/*
2 * Copyright (C) 2013 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
17package com.android.documentsui.model;
18
19import static com.android.documentsui.model.DocumentInfo.getCursorInt;
20import static com.android.documentsui.model.DocumentInfo.getCursorLong;
21import static com.android.documentsui.model.DocumentInfo.getCursorString;
22
23import android.content.Context;
24import android.content.pm.PackageManager;
25import android.content.pm.ProviderInfo;
26import android.database.Cursor;
27import android.graphics.drawable.Drawable;
28import android.provider.DocumentsContract.Root;
29
30/**
31 * Representation of a {@link Root}.
32 */
33public class RootInfo {
34    public String authority;
35    public String rootId;
36    public int rootType;
37    public int flags;
38    public int icon;
39    public String title;
40    public String summary;
41    public String documentId;
42    public long availableBytes;
43
44    public static RootInfo fromRootsCursor(String authority, Cursor cursor) {
45        final RootInfo root = new RootInfo();
46        root.authority = authority;
47        root.rootId = getCursorString(cursor, Root.COLUMN_ROOT_ID);
48        root.rootType = getCursorInt(cursor, Root.COLUMN_ROOT_TYPE);
49        root.flags = getCursorInt(cursor, Root.COLUMN_FLAGS);
50        root.icon = getCursorInt(cursor, Root.COLUMN_ICON);
51        root.title = getCursorString(cursor, Root.COLUMN_TITLE);
52        root.summary = getCursorString(cursor, Root.COLUMN_SUMMARY);
53        root.documentId = getCursorString(cursor, Root.COLUMN_DOCUMENT_ID);
54        root.availableBytes = getCursorLong(cursor, Root.COLUMN_AVAILABLE_BYTES);
55        return root;
56    }
57
58    public Drawable loadIcon(Context context) {
59        if (icon != 0) {
60            if (authority != null) {
61                final PackageManager pm = context.getPackageManager();
62                final ProviderInfo info = pm.resolveContentProvider(authority, 0);
63                if (info != null) {
64                    return pm.getDrawable(info.packageName, icon, info.applicationInfo);
65                }
66            } else {
67                return context.getResources().getDrawable(icon);
68            }
69        }
70        return null;
71    }
72}
73