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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 package com.android.quicksearchbox;
     17 
     18 import android.app.SearchManager;
     19 import android.database.AbstractCursor;
     20 import android.database.CursorIndexOutOfBoundsException;
     21 
     22 import java.util.ArrayList;
     23 import java.util.Arrays;
     24 import java.util.Collection;
     25 
     26 public class SuggestionCursorBackedCursor extends AbstractCursor {
     27 
     28     // This array also used in CursorBackedSuggestionExtras to avoid duplication.
     29     public static final String[] COLUMNS = {
     30         "_id",  // 0, This will contain the row number. CursorAdapter, used by SuggestionsAdapter,
     31                 // used by SearchDialog, expects an _id column.
     32         SearchManager.SUGGEST_COLUMN_TEXT_1,  // 1
     33         SearchManager.SUGGEST_COLUMN_TEXT_2,  // 2
     34         SearchManager.SUGGEST_COLUMN_TEXT_2_URL,  // 3
     35         SearchManager.SUGGEST_COLUMN_ICON_1,  // 4
     36         SearchManager.SUGGEST_COLUMN_ICON_2,  // 5
     37         SearchManager.SUGGEST_COLUMN_INTENT_ACTION,  // 6
     38         SearchManager.SUGGEST_COLUMN_INTENT_DATA,  // 7
     39         SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA,  // 8
     40         SearchManager.SUGGEST_COLUMN_QUERY,  // 9
     41         SearchManager.SUGGEST_COLUMN_FORMAT,  // 10
     42         SearchManager.SUGGEST_COLUMN_SHORTCUT_ID,  // 11
     43         SearchManager.SUGGEST_COLUMN_SPINNER_WHILE_REFRESHING,  // 12
     44     };
     45 
     46     private static final int COLUMN_INDEX_ID = 0;
     47     private static final int COLUMN_INDEX_TEXT1 = 1;
     48     private static final int COLUMN_INDEX_TEXT2 = 2;
     49     private static final int COLUMN_INDEX_TEXT2_URL = 3;
     50     private static final int COLUMN_INDEX_ICON1 = 4;
     51     private static final int COLUMN_INDEX_ICON2 = 5;
     52     private static final int COLUMN_INDEX_INTENT_ACTION = 6;
     53     private static final int COLUMN_INDEX_INTENT_DATA = 7;
     54     private static final int COLUMN_INDEX_INTENT_EXTRA_DATA = 8;
     55     private static final int COLUMN_INDEX_QUERY = 9;
     56     private static final int COLUMN_INDEX_FORMAT = 10;
     57     private static final int COLUMN_INDEX_SHORTCUT_ID = 11;
     58     private static final int COLUMN_INDEX_SPINNER_WHILE_REFRESHING = 12;
     59 
     60     private final SuggestionCursor mCursor;
     61     private ArrayList<String> mExtraColumns;
     62 
     63     public SuggestionCursorBackedCursor(SuggestionCursor cursor) {
     64         mCursor = cursor;
     65     }
     66 
     67     @Override
     68     public void close() {
     69         super.close();
     70         mCursor.close();
     71     }
     72 
     73     @Override
     74     public String[] getColumnNames() {
     75         Collection<String> extraColumns = mCursor.getExtraColumns();
     76         if (extraColumns != null) {
     77             ArrayList<String> allColumns = new ArrayList<String>(COLUMNS.length +
     78                     extraColumns.size());
     79             mExtraColumns = new ArrayList<String>(extraColumns);
     80             allColumns.addAll(Arrays.asList(COLUMNS));
     81             allColumns.addAll(mExtraColumns);
     82             return allColumns.toArray(new String[allColumns.size()]);
     83         } else {
     84             return COLUMNS;
     85         }
     86     }
     87 
     88     @Override
     89     public int getCount() {
     90         return mCursor.getCount();
     91     }
     92 
     93     private Suggestion get() {
     94         mCursor.moveTo(getPosition());
     95         return mCursor;
     96     }
     97 
     98     private String getExtra(int columnIdx) {
     99         int extraColumn = columnIdx - COLUMNS.length;
    100         SuggestionExtras extras = get().getExtras();
    101         if (extras != null) {
    102             return extras.getExtra(mExtraColumns.get(extraColumn));
    103         } else {
    104             return null;
    105         }
    106     }
    107 
    108     @Override
    109     public int getInt(int column) {
    110         if (column == COLUMN_INDEX_ID) {
    111             return getPosition();
    112         } else {
    113             try {
    114                 return Integer.valueOf(getString(column));
    115             } catch (NumberFormatException e) {
    116                 return 0;
    117             }
    118         }
    119     }
    120 
    121     @Override
    122     public String getString(int column) {
    123         if (column < COLUMNS.length) {
    124             switch (column) {
    125                 case COLUMN_INDEX_ID:
    126                     return String.valueOf(getPosition());
    127                 case COLUMN_INDEX_TEXT1:
    128                     return get().getSuggestionText1();
    129                 case COLUMN_INDEX_TEXT2:
    130                     return get().getSuggestionText2();
    131                 case COLUMN_INDEX_TEXT2_URL:
    132                     return get().getSuggestionText2Url();
    133                 case COLUMN_INDEX_ICON1:
    134                     return get().getSuggestionIcon1();
    135                 case COLUMN_INDEX_ICON2:
    136                     return get().getSuggestionIcon2();
    137                 case COLUMN_INDEX_INTENT_ACTION:
    138                     return get().getSuggestionIntentAction();
    139                 case COLUMN_INDEX_INTENT_DATA:
    140                     return get().getSuggestionIntentDataString();
    141                 case COLUMN_INDEX_INTENT_EXTRA_DATA:
    142                     return get().getSuggestionIntentExtraData();
    143                 case COLUMN_INDEX_QUERY:
    144                     return get().getSuggestionQuery();
    145                 case COLUMN_INDEX_FORMAT:
    146                     return get().getSuggestionFormat();
    147                 case COLUMN_INDEX_SHORTCUT_ID:
    148                     return get().getShortcutId();
    149                 case COLUMN_INDEX_SPINNER_WHILE_REFRESHING:
    150                     return String.valueOf(get().isSpinnerWhileRefreshing());
    151                 default:
    152                     throw new CursorIndexOutOfBoundsException("Requested column " + column
    153                             + " of " + COLUMNS.length);
    154             }
    155         } else {
    156             return getExtra(column);
    157         }
    158     }
    159 
    160     @Override
    161     public long getLong(int column) {
    162         try {
    163             return Long.valueOf(getString(column));
    164         } catch (NumberFormatException e) {
    165             return 0;
    166         }
    167     }
    168 
    169     @Override
    170     public boolean isNull(int column) {
    171         return getString(column) == null;
    172     }
    173 
    174     @Override
    175     public short getShort(int column) {
    176         try {
    177             return Short.valueOf(getString(column));
    178         } catch (NumberFormatException e) {
    179             return 0;
    180         }
    181     }
    182 
    183     @Override
    184     public double getDouble(int column) {
    185         try {
    186             return Double.valueOf(getString(column));
    187         } catch (NumberFormatException e) {
    188             return 0;
    189         }
    190     }
    191 
    192     @Override
    193     public float getFloat(int column) {
    194         try {
    195             return Float.valueOf(getString(column));
    196         } catch (NumberFormatException e) {
    197             return 0;
    198         }
    199     }
    200 }
    201