1/*
2 * Copyright (C) 2015 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.launcher3.util;
18
19import android.content.Context;
20import android.content.Intent.ShortcutIconResource;
21import android.database.Cursor;
22import android.graphics.Bitmap;
23import android.text.TextUtils;
24
25import com.android.launcher3.LauncherSettings;
26import com.android.launcher3.ShortcutInfo;
27import com.android.launcher3.Utilities;
28
29/**
30 * Utility class to load icon from a cursor.
31 */
32public class CursorIconInfo {
33    public final int iconPackageIndex;
34    public final int iconResourceIndex;
35    public final int iconIndex;
36
37    public final int titleIndex;
38
39    private final Context mContext;
40
41    public CursorIconInfo(Context context, Cursor c) {
42        mContext = context;
43
44        iconIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ICON);
45        iconPackageIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ICON_PACKAGE);
46        iconResourceIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ICON_RESOURCE);
47
48        titleIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.TITLE);
49    }
50
51    /**
52     * Loads the icon from the cursor and updates the {@param info} if the icon is an app resource.
53     */
54    public Bitmap loadIcon(Cursor c, ShortcutInfo info) {
55        Bitmap icon = null;
56        String packageName = c.getString(iconPackageIndex);
57        String resourceName = c.getString(iconResourceIndex);
58        if (!TextUtils.isEmpty(packageName) || !TextUtils.isEmpty(resourceName)) {
59            info.iconResource = new ShortcutIconResource();
60            info.iconResource.packageName = packageName;
61            info.iconResource.resourceName = resourceName;
62            icon = Utilities.createIconBitmap(packageName, resourceName, mContext);
63        }
64        if (icon == null) {
65            // Failed to load from resource, try loading from DB.
66            icon = loadIcon(c);
67        }
68        return icon;
69    }
70
71    /**
72     * Loads the fixed bitmap from the icon if available.
73     */
74    public Bitmap loadIcon(Cursor c) {
75        return Utilities.createIconBitmap(c, iconIndex, mContext);
76    }
77
78    /**
79     * Returns the title or empty string
80     */
81    public String getTitle(Cursor c) {
82        String title = c.getString(titleIndex);
83        return TextUtils.isEmpty(title) ? "" : Utilities.trim(c.getString(titleIndex));
84    }
85}
86