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 com.android.quicksearchbox.util.NamedTaskExecutor;
19
20import android.content.Context;
21import android.graphics.drawable.Drawable;
22import android.net.Uri;
23import android.os.Handler;
24
25/**
26 * Abstract implementation of a source that is not backed by a searchable activity.
27 */
28public abstract class AbstractInternalSource extends AbstractSource {
29
30    public AbstractInternalSource(Context context, Handler uiThread, NamedTaskExecutor iconLoader) {
31        super(context, uiThread, iconLoader);
32    }
33
34    public String getSuggestUri() {
35        return null;
36    }
37
38    public boolean canRead() {
39        return true;
40    }
41
42    public String getDefaultIntentData() {
43        return null;
44    }
45
46    @Override
47    protected String getIconPackage() {
48        return getContext().getPackageName();
49    }
50
51    public int getQueryThreshold() {
52        return 0;
53    }
54
55    public Drawable getSourceIcon() {
56        return getContext().getResources().getDrawable(getSourceIconResource());
57    }
58
59    public Uri getSourceIconUri() {
60        return Uri.parse("android.resource://" + getContext().getPackageName()
61                + "/" +  getSourceIconResource());
62    }
63
64    protected abstract int getSourceIconResource();
65
66    public int getVersionCode() {
67        return QsbApplication.get(getContext()).getVersionCode();
68    }
69
70    /**
71     * Shortcuts from previous version are compatible with shortcuts from this version, so we just
72     * return true. If shortcuts become incompatible during an upgrade, some examination of the
73     * version code should be added here.
74     */
75    @Override
76    public boolean isVersionCodeCompatible(int version) {
77        return true;
78    }
79
80    public boolean queryAfterZeroResults() {
81        return true;
82    }
83
84}
85