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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.documentsui.dirlist;
     18 
     19 import static org.junit.Assert.assertEquals;
     20 
     21 import android.view.KeyEvent;
     22 import android.view.View;
     23 
     24 /**
     25  * A purely dummy instance of FocusHandler.
     26  */
     27 public final class TestFocusHandler implements FocusHandler {
     28 
     29     public boolean handleKey;
     30     public int focusPos = 0;
     31     public String focusModelId;
     32     public boolean advanceFocusAreaCalled;
     33     public boolean focusDirectoryCalled;
     34 
     35     @Override
     36     public boolean handleKey(DocumentHolder doc, int keyCode, KeyEvent event) {
     37         return handleKey;
     38     }
     39 
     40     @Override
     41     public void onFocusChange(View v, boolean hasFocus) {
     42     }
     43 
     44     @Override
     45     public boolean advanceFocusArea() {
     46         advanceFocusAreaCalled = true;
     47         return true;
     48     }
     49 
     50     @Override
     51     public boolean focusDirectoryList() {
     52         focusDirectoryCalled = true;
     53         return true;
     54     }
     55 
     56     @Override
     57     public boolean hasFocusedItem() {
     58         return focusModelId != null;
     59     }
     60 
     61     @Override
     62     public int getFocusPosition() {
     63         return focusPos;
     64     }
     65 
     66     @Override
     67     public String getFocusModelId() {
     68         return focusModelId;
     69     }
     70 
     71     @Override
     72     public void focusDocument(String modelId) {
     73         focusModelId = modelId;
     74     }
     75 
     76     @Override
     77     public void onLayoutCompleted() {
     78     }
     79 
     80     @Override
     81     public void clearFocus() {
     82         focusModelId = null;
     83         focusPos = 0;
     84     }
     85 
     86     public void assertHasFocus(boolean focused) {
     87         assertEquals(focused, hasFocusedItem());
     88     }
     89 
     90     public void assertFocused(String modelId) {
     91         assertEquals(modelId, getFocusModelId());
     92     }
     93 }
     94