| /* |
| * Copyright (C) 2009 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.quicksearchbox; |
| |
| import android.util.Log; |
| |
| import java.util.HashSet; |
| |
| /** |
| * A SuggestionCursor that is backed by a list of SuggestionPosition objects |
| * and doesn't allow duplicate suggestions. |
| */ |
| public class ListSuggestionCursorNoDuplicates extends ListSuggestionCursor { |
| |
| private static final boolean DBG = false; |
| private static final String TAG = "QSB.ListSuggestionCursorNoDuplicates"; |
| |
| private final HashSet<String> mSuggestionKeys; |
| |
| public ListSuggestionCursorNoDuplicates(String userQuery) { |
| super(userQuery); |
| mSuggestionKeys = new HashSet<String>(); |
| } |
| |
| @Override |
| public boolean add(Suggestion suggestion) { |
| String key = SuggestionUtils.getSuggestionKey(suggestion); |
| if (mSuggestionKeys.add(key)) { |
| return super.add(suggestion); |
| } else { |
| if (DBG) Log.d(TAG, "Rejecting duplicate " + key); |
| return false; |
| } |
| } |
| |
| } |