1/*
2 * Copyright (C) 2016 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.settings.dashboard;
18
19import android.content.res.Resources;
20import android.view.View;
21
22import org.hamcrest.Description;
23import org.hamcrest.Matcher;
24import org.hamcrest.TypeSafeMatcher;
25
26/***
27 * Matches on the first view with id if there are multiple views using the same Id.
28 */
29public class FirstIdViewMatcher {
30
31    public static Matcher<View> withFirstId(final int id) {
32        return new TypeSafeMatcher<View>() {
33            Resources resources = null;
34            private boolean mMatched;
35
36            public void describeTo(Description description) {
37                String idDescription = Integer.toString(id);
38                if (resources != null) {
39                    try {
40                        idDescription = resources.getResourceName(id);
41                    } catch (Resources.NotFoundException e) {
42                        // No big deal, will just use the int value.
43                        idDescription = String.format("%s (resource name not found)", id);
44                    }
45                }
46                description.appendText("with first id: " + idDescription);
47            }
48
49            public boolean matchesSafely(View view) {
50                this.resources = view.getResources();
51                if (mMatched) {
52                    return false;
53                } else {
54                    mMatched = id == view.getId();
55                    return mMatched;
56                }
57            }
58        };
59    }
60}
61