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      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 
     17 package com.android.settings.dashboard;
     18 
     19 import android.content.res.Resources;
     20 import android.view.View;
     21 
     22 import org.hamcrest.Description;
     23 import org.hamcrest.Matcher;
     24 import org.hamcrest.TypeSafeMatcher;
     25 
     26 /***
     27  * Matches on the first view with id if there are multiple views using the same Id.
     28  */
     29 public 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