LauncherAppWidgetInfo.java revision 11a4937fbff0dbc50fb022513dc3b6c643154445 
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    LauncherAppWidgetInfo(int appWidgetId, ComponentName providerName) {
52        itemType = LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET;
53        this.appWidgetId = appWidgetId;
54        this.providerName = providerName;
55
56        // Since the widget isn't instantiated yet, we don't know these values. Set them to -1
57        // to indicate that they should be calculated based on the layout and minWidth/minHeight
58        spanX = -1;
59        spanY = -1;
60    }
61
62    @Override
63    void onAddToDatabase(ContentValues values) {
64        super.onAddToDatabase(values);
65        values.put(LauncherSettings.Favorites.APPWIDGET_ID, appWidgetId);
66    }
67
68    @Override
69    public String toString() {
70        return "AppWidget(id=" + Integer.toString(appWidgetId) + ")";
71    }
72
73    @Override
74    void unbind() {
75        super.unbind();
76        hostView = null;
77    }
78}
79