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1 /*
2  * Copyright (C) 2008 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 
17 package com.android.launcher;
18 
19 import java.io.ByteArrayOutputStream;
20 import java.io.IOException;
21 
22 import android.content.ContentValues;
23 import android.graphics.Bitmap;
24 import android.util.Log;
25 
26 /**
27  * Represents an item in the launcher.
28  */
29 class ItemInfo {
30 
31     static final int NO_ID = -1;
32 
33     /**
34      * The id in the settings database for this item
35      */
36     long id = NO_ID;
37 
38     /**
39      * One of {@link LauncherSettings.Favorites#ITEM_TYPE_APPLICATION},
40      * {@link LauncherSettings.Favorites#ITEM_TYPE_SHORTCUT},
41      * {@link LauncherSettings.Favorites#ITEM_TYPE_USER_FOLDER}, or
42      * {@link LauncherSettings.Favorites#ITEM_TYPE_APPWIDGET}.
43      */
44     int itemType;
45 
46     /**
47      * The id of the container that holds this item. For the desktop, this will be
48      * {@link LauncherSettings.Favorites#CONTAINER_DESKTOP}. For the all applications folder it
49      * will be {@link #NO_ID} (since it is not stored in the settings DB). For user folders
50      * it will be the id of the folder.
51      */
52     long container = NO_ID;
53 
54     /**
55      * Iindicates the screen in which the shortcut appears.
56      */
57     int screen = -1;
58 
59     /**
60      * Indicates the X position of the associated cell.
61      */
62     int cellX = -1;
63 
64     /**
65      * Indicates the Y position of the associated cell.
66      */
67     int cellY = -1;
68 
69     /**
70      * Indicates the X cell span.
71      */
72     int spanX = 1;
73 
74     /**
75      * Indicates the Y cell span.
76      */
77     int spanY = 1;
78 
79     /**
80      * Indicates whether the item is a gesture.
81      */
82     boolean isGesture = false;
83 
ItemInfo()84     ItemInfo() {
85     }
86 
ItemInfo(ItemInfo info)87     ItemInfo(ItemInfo info) {
88         id = info.id;
89         cellX = info.cellX;
90         cellY = info.cellY;
91         spanX = info.spanX;
92         spanY = info.spanY;
93         screen = info.screen;
94         itemType = info.itemType;
95         container = info.container;
96     }
97 
98     /**
99      * Write the fields of this item to the DB
100      *
101      * @param values
102      */
onAddToDatabase(ContentValues values)103     void onAddToDatabase(ContentValues values) {
104         values.put(LauncherSettings.BaseLauncherColumns.ITEM_TYPE, itemType);
105         if (!isGesture) {
106             values.put(LauncherSettings.Favorites.CONTAINER, container);
107             values.put(LauncherSettings.Favorites.SCREEN, screen);
108             values.put(LauncherSettings.Favorites.CELLX, cellX);
109             values.put(LauncherSettings.Favorites.CELLY, cellY);
110             values.put(LauncherSettings.Favorites.SPANX, spanX);
111             values.put(LauncherSettings.Favorites.SPANY, spanY);
112         }
113     }
114 
writeBitmap(ContentValues values, Bitmap bitmap)115     static void writeBitmap(ContentValues values, Bitmap bitmap) {
116         if (bitmap != null) {
117             // Try go guesstimate how much space the icon will take when serialized
118             // to avoid unnecessary allocations/copies during the write.
119             int size = bitmap.getWidth() * bitmap.getHeight() * 4;
120             ByteArrayOutputStream out = new ByteArrayOutputStream(size);
121             try {
122                 bitmap.compress(Bitmap.CompressFormat.PNG, 100, out);
123                 out.flush();
124                 out.close();
125 
126                 values.put(LauncherSettings.Favorites.ICON, out.toByteArray());
127             } catch (IOException e) {
128                 Log.w("Favorite", "Could not write icon");
129             }
130         }
131     }
132 
133 }
134