LauncherAppWidgetInfo.java revision c9d95c5897fc5ebbf53903d4ab18ad13d196f643 
1/*
2 * Copyright (C) 2009 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.launcher2;
18
19import android.appwidget.AppWidgetHostView;
20import android.content.ComponentName;
21import android.content.ContentValues;
22
23/**
24 * Represents a widget (either instantiated or about to be) in the Launcher.
25 */
26class LauncherAppWidgetInfo extends ItemInfo {
27
28    /**
29     * Indicates that the widget hasn't been instantiated yet.
30     */
31    static final int NO_ID = -1;
32
33    /**
34     * Identifier for this widget when talking with
35     * {@link android.appwidget.AppWidgetManager} for updates.
36     */
37    int appWidgetId = NO_ID;
38
39    ComponentName providerName;
40
41    // TODO: Are these necessary here?
42    int minWidth = -1;
43    int minHeight = -1;
44
45    /**
46     * View that holds this widget after it's been created.  This view isn't created
47     * until Launcher knows it's needed.
48     */
49    AppWidgetHostView hostView = null;
50
51    /**
52     * Constructor for use with AppWidgets that haven't been instantiated yet.
53     */
54    LauncherAppWidgetInfo(ComponentName providerName) {
55        itemType = LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET;
56        this.providerName = providerName;
57
58        // Since the widget isn't instantiated yet, we don't know these values. Set them to -1
59        // to indicate that they should be calculated based on the layout and minWidth/minHeight
60        spanX = -1;
61        spanY = -1;
62    }
63
64    LauncherAppWidgetInfo(int appWidgetId) {
65        itemType = LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET;
66        this.appWidgetId = appWidgetId;
67    }
68
69    @Override
70    void onAddToDatabase(ContentValues values) {
71        super.onAddToDatabase(values);
72        values.put(LauncherSettings.Favorites.APPWIDGET_ID, appWidgetId);
73    }
74
75    @Override
76    public String toString() {
77        return "AppWidget(id=" + Integer.toString(appWidgetId) + ")";
78    }
79
80    @Override
81    void unbind() {
82        super.unbind();
83        hostView = null;
84    }
85}
86