AbstractInternalSource.java revision e29d52aa72c96c3147fa91d83aeb8dafc6d1f578 
1/*
2 * Copyright (C) 2010 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 */
16package com.android.quicksearchbox;
17
18import android.content.Context;
19import android.graphics.drawable.Drawable;
20import android.net.Uri;
21import android.os.Handler;
22
23/**
24 * Abstract implementation of a source that is not backed by a searchable activity.
25 */
26public abstract class AbstractInternalSource extends AbstractSource {
27
28    public AbstractInternalSource(Context context, Handler uiThread) {
29        super(context, uiThread);
30    }
31
32    public String getSuggestUri() {
33        return null;
34    }
35
36    public boolean canRead() {
37        return true;
38    }
39
40    public String getDefaultIntentData() {
41        return null;
42    }
43
44    @Override
45    protected String getIconPackage() {
46        return getContext().getPackageName();
47    }
48
49    public int getQueryThreshold() {
50        return 0;
51    }
52
53    public Drawable getSourceIcon() {
54        return getContext().getResources().getDrawable(getSourceIconResource());
55    }
56
57    public Uri getSourceIconUri() {
58        return Uri.parse("android.resource://" + getContext().getPackageName()
59                + "/" +  getSourceIconResource());
60    }
61
62    protected abstract int getSourceIconResource();
63
64    public int getVersionCode() {
65        return QsbApplication.get(getContext()).getVersionCode();
66    }
67
68    /**
69     * Shortcuts from previous version are compatible with shortcuts from this version, so we just
70     * return true. If shortcuts become incompatible during an upgrade, some examination of the
71     * version code should be added here.
72     */
73    @Override
74    public boolean isVersionCodeCompatible(int version) {
75        return true;
76    }
77
78    public boolean queryAfterZeroResults() {
79        return true;
80    }
81
82}
83