1 package com.xtremelabs.robolectric.shadows; 2 3 import android.database.DataSetObserver; 4 import android.widget.BaseAdapter; 5 import com.xtremelabs.robolectric.internal.Implementation; 6 import com.xtremelabs.robolectric.internal.Implements; 7 import com.xtremelabs.robolectric.internal.RealObject; 8 9 import java.util.ArrayList; 10 import java.util.List; 11 12 @SuppressWarnings({"UnusedDeclaration"}) 13 @Implements(BaseAdapter.class) 14 public class ShadowBaseAdapter { 15 @RealObject private BaseAdapter realBaseAdapter; 16 private final List<DataSetObserver> dataSetObservers = new ArrayList<DataSetObserver>(); 17 private boolean wasNotifyDataSetChangedCalled; 18 19 @Implementation 20 public boolean isEmpty() { 21 return realBaseAdapter.getCount() == 0; 22 } 23 24 /** 25 * Just returns true 26 * 27 * @return true 28 */ 29 @Implementation 30 public boolean areAllItemsEnabled() { 31 return true; 32 } 33 34 /** 35 * Registers the observer. 36 * 37 * @param observer observer 38 */ 39 @Implementation 40 public void registerDataSetObserver(DataSetObserver observer) { 41 dataSetObservers.add(observer); 42 } 43 44 /** 45 * Unregisters the observer if it can be found. Nothing otherwise. 46 * 47 * @param observer observer 48 */ 49 @Implementation 50 public void unregisterDataSetObserver(DataSetObserver observer) { 51 dataSetObservers.remove(observer); 52 } 53 54 /** 55 * Notifies the registered observers 56 */ 57 @Implementation 58 public void notifyDataSetChanged() { 59 wasNotifyDataSetChangedCalled = true; 60 for (DataSetObserver dataSetObserver : dataSetObservers) { 61 dataSetObserver.onChanged(); 62 } 63 } 64 65 /** 66 * Notifies the registered observers 67 */ 68 @Implementation 69 public void notifyDataSetInvalidated() { 70 for (DataSetObserver dataSetObserver : dataSetObservers) { 71 dataSetObserver.onInvalidated(); 72 } 73 } 74 75 public void clearWasDataSetChangedCalledFlag() { 76 wasNotifyDataSetChangedCalled = false; 77 } 78 79 public boolean wasNotifyDataSetChangedCalled() { 80 return wasNotifyDataSetChangedCalled; 81 } 82 } 83
