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      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  */
     16 
     17 package android.widget.cts;
     18 
     19 import android.view.ContextMenu;
     20 import android.view.View;
     21 import android.view.ContextMenu.ContextMenuInfo;
     22 import android.view.View.OnCreateContextMenuListener;
     23 import android.widget.ExpandableListView;
     24 import android.widget.AdapterView.AdapterContextMenuInfo;
     25 
     26 public class PositionTesterContextMenuListener implements OnCreateContextMenuListener {
     27 
     28     private int groupPosition, childPosition;
     29 
     30     // Fake constant to store in testType a test type specific to headers and footers
     31     private static final int ADAPTER_TYPE = -1;
     32     private int testType; // as returned by getPackedPositionType
     33 
     34     // Will be set to null by each call to onCreateContextMenu, unless an error occurred.
     35     private String errorMessage;
     36 
     37     public void expectGroupContextMenu(int groupPosition) {
     38         this.groupPosition = groupPosition;
     39         testType = ExpandableListView.PACKED_POSITION_TYPE_GROUP;
     40     }
     41 
     42     public void expectChildContextMenu(int groupPosition, int childPosition) {
     43         this.groupPosition = groupPosition;
     44         this.childPosition = childPosition;
     45         testType = ExpandableListView.PACKED_POSITION_TYPE_CHILD;
     46     }
     47 
     48     public void expectAdapterContextMenu(int flatPosition) {
     49         this.groupPosition = flatPosition;
     50         testType = ADAPTER_TYPE;
     51     }
     52 
     53     public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
     54         errorMessage = null;
     55         if (testType == ADAPTER_TYPE) {
     56             if (!isTrue("MenuInfo is not an AdapterContextMenuInfo",
     57                     menuInfo instanceof AdapterContextMenuInfo)) {
     58                 return;
     59             }
     60             AdapterContextMenuInfo adapterContextMenuInfo = (AdapterContextMenuInfo) menuInfo;
     61             if (!areEqual("Wrong flat position", groupPosition, adapterContextMenuInfo.position)) {
     62                 return;
     63             }
     64         } else {
     65             if (!isTrue("MenuInfo is not an ExpandableListContextMenuInfo",
     66                     menuInfo instanceof ExpandableListView.ExpandableListContextMenuInfo)) {
     67                 return;
     68             }
     69             ExpandableListView.ExpandableListContextMenuInfo elvMenuInfo =
     70                 (ExpandableListView.ExpandableListContextMenuInfo) menuInfo;
     71             long packedPosition = elvMenuInfo.packedPosition;
     72 
     73             int packedPositionType = ExpandableListView.getPackedPositionType(packedPosition);
     74             if (!areEqual("Wrong packed position type", testType, packedPositionType)) {
     75                 return;
     76             }
     77 
     78             int packedPositionGroup = ExpandableListView.getPackedPositionGroup(packedPosition);
     79             if (!areEqual("Wrong group position", groupPosition, packedPositionGroup)) {
     80                 return;
     81             }
     82 
     83             if (testType == ExpandableListView.PACKED_POSITION_TYPE_CHILD) {
     84                 int packedPositionChild = ExpandableListView.getPackedPositionChild(packedPosition);
     85                 if (!areEqual("Wrong child position", childPosition, packedPositionChild)) {
     86                     return;
     87                 }
     88             }
     89         }
     90     }
     91 
     92     private boolean areEqual(String message, int expected, int actual) {
     93         if (expected != actual) {
     94             errorMessage = String.format(message + " (%d vs %d", expected, actual);
     95             return false;
     96         }
     97         return true;
     98     }
     99 
    100     private boolean isTrue(String message, boolean value) {
    101         if (!value) {
    102             errorMessage = message;
    103             return false;
    104         }
    105         return true;
    106     }
    107 
    108     public String getErrorMessage() {
    109         return errorMessage;
    110     }
    111 }
    112