1/*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
5 * use this file except in compliance with the License. You may obtain a copy of
6 * 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, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations under
14 * the License.
15 */
16
17package com.android.inputmethod.deprecated.voice;
18
19import android.os.Bundle;
20
21import java.util.ArrayList;
22import java.util.List;
23
24/**
25 * A set of text fields where speech has been explicitly enabled.
26 */
27public class Whitelist {
28    private List<Bundle> mConditions;
29
30    public Whitelist() {
31        mConditions = new ArrayList<Bundle>();
32    }
33
34    public Whitelist(List<Bundle> conditions) {
35        this.mConditions = conditions;
36    }
37
38    public void addApp(String app) {
39        Bundle bundle = new Bundle();
40        bundle.putString("packageName", app);
41        mConditions.add(bundle);
42    }
43
44    /**
45     * @return true if the field is a member of the whitelist.
46     */
47    public boolean matches(FieldContext context) {
48        for (Bundle condition : mConditions) {
49            if (matches(condition, context.getBundle())) {
50                return true;
51            }
52        }
53        return false;
54    }
55
56    /**
57     * @return true of all values in condition are matched by a value
58     *     in target.
59     */
60    private boolean matches(Bundle condition, Bundle target) {
61        for (String key : condition.keySet()) {
62          if (!condition.getString(key).equals(target.getString(key))) {
63            return false;
64          }
65        }
66        return true;
67    }
68}
69