The Tor Browser / file comparison
comparison: mobile/android/base/db/ReadingListProvider.java
mobile/android/base/db/ReadingListProvider.java
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
equal
deleted
inserted
replaced
| -1:000000000000 | 0:0e081dddbfa9 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 package org.mozilla.gecko.db; | |
| 6 | |
| 7 import org.mozilla.gecko.db.BrowserContract.ReadingListItems; | |
| 8 import org.mozilla.gecko.sync.Utils; | |
| 9 | |
| 10 import android.content.ContentUris; | |
| 11 import android.content.ContentValues; | |
| 12 import android.content.UriMatcher; | |
| 13 import android.database.Cursor; | |
| 14 import android.database.sqlite.SQLiteDatabase; | |
| 15 import android.database.sqlite.SQLiteQueryBuilder; | |
| 16 import android.net.Uri; | |
| 17 import android.text.TextUtils; | |
| 18 | |
| 19 public class ReadingListProvider extends SharedBrowserDatabaseProvider { | |
| 20 static final String TABLE_READING_LIST = ReadingListItems.TABLE_NAME; | |
| 21 | |
| 22 static final int ITEMS = 101; | |
| 23 static final int ITEMS_ID = 102; | |
| 24 static final UriMatcher URI_MATCHER = new UriMatcher(UriMatcher.NO_MATCH); | |
| 25 | |
| 26 static { | |
| 27 URI_MATCHER.addURI(BrowserContract.READING_LIST_AUTHORITY, "items", ITEMS); | |
| 28 URI_MATCHER.addURI(BrowserContract.READING_LIST_AUTHORITY, "items/#", ITEMS_ID); | |
| 29 } | |
| 30 | |
| 31 /** | |
| 32 * Updates items that match the selection criteria. If no such items is found | |
| 33 * one is inserted with the attributes passed in. Returns 0 if no item updated. | |
| 34 * | |
| 35 * @return Number of items updated or inserted | |
| 36 */ | |
| 37 public int updateOrInsertItem(Uri uri, ContentValues values, String selection, String[] selectionArgs) { | |
| 38 int updated = updateItems(uri, values, selection, selectionArgs); | |
| 39 if (updated <= 0) { | |
| 40 updated = insertItem(uri, values) != -1 ? 1 : 0; | |
| 41 } | |
| 42 return updated; | |
| 43 } | |
| 44 | |
| 45 /** | |
| 46 * Updates items that match the selection criteria. | |
| 47 * | |
| 48 * @return Number of items updated or inserted | |
| 49 */ | |
| 50 public int updateItems(Uri uri, ContentValues values, String selection, String[] selectionArgs) { | |
| 51 trace("Updating ReadingListItems on URI: " + uri); | |
| 52 final SQLiteDatabase db = getWritableDatabase(uri); | |
| 53 if (!values.containsKey(ReadingListItems.DATE_MODIFIED)) { | |
| 54 values.put(ReadingListItems.DATE_MODIFIED, System.currentTimeMillis()); | |
| 55 } | |
| 56 return db.update(TABLE_READING_LIST, values, selection, selectionArgs); | |
| 57 } | |
| 58 | |
| 59 /** | |
| 60 * Inserts a new item into the DB. DATE_CREATED, DATE_MODIFIED | |
| 61 * and GUID fields are generated if they are not specified. | |
| 62 * | |
| 63 * @return ID of the newly inserted item | |
| 64 */ | |
| 65 long insertItem(Uri uri, ContentValues values) { | |
| 66 long now = System.currentTimeMillis(); | |
| 67 if (!values.containsKey(ReadingListItems.DATE_CREATED)) { | |
| 68 values.put(ReadingListItems.DATE_CREATED, now); | |
| 69 } | |
| 70 | |
| 71 if (!values.containsKey(ReadingListItems.DATE_MODIFIED)) { | |
| 72 values.put(ReadingListItems.DATE_MODIFIED, now); | |
| 73 } | |
| 74 | |
| 75 if (!values.containsKey(ReadingListItems.GUID)) { | |
| 76 values.put(ReadingListItems.GUID, Utils.generateGuid()); | |
| 77 } | |
| 78 | |
| 79 String url = values.getAsString(ReadingListItems.URL); | |
| 80 debug("Inserting item in database with URL: " + url); | |
| 81 return getWritableDatabase(uri) | |
| 82 .insertOrThrow(TABLE_READING_LIST, null, values); | |
| 83 } | |
| 84 | |
| 85 /** | |
| 86 * Deletes items. Item is marked as 'deleted' so that sync can | |
| 87 * detect the change. | |
| 88 * | |
| 89 * @return Number of deleted items | |
| 90 */ | |
| 91 int deleteItems(Uri uri, String selection, String[] selectionArgs) { | |
| 92 debug("Deleting item entry for URI: " + uri); | |
| 93 final SQLiteDatabase db = getWritableDatabase(uri); | |
| 94 | |
| 95 if (isCallerSync(uri)) { | |
| 96 return db.delete(TABLE_READING_LIST, selection, selectionArgs); | |
| 97 } | |
| 98 | |
| 99 debug("Marking item entry as deleted for URI: " + uri); | |
| 100 ContentValues values = new ContentValues(); | |
| 101 values.put(ReadingListItems.IS_DELETED, 1); | |
| 102 | |
| 103 cleanUpSomeDeletedRecords(uri, TABLE_READING_LIST); | |
| 104 return updateItems(uri, values, selection, selectionArgs); | |
| 105 } | |
| 106 | |
| 107 @Override | |
| 108 @SuppressWarnings("fallthrough") | |
| 109 public int updateInTransaction(Uri uri, ContentValues values, String selection, String[] selectionArgs) { | |
| 110 trace("Calling update in transaction on URI: " + uri); | |
| 111 | |
| 112 int updated = 0; | |
| 113 int match = URI_MATCHER.match(uri); | |
| 114 | |
| 115 switch (match) { | |
| 116 case ITEMS_ID: | |
| 117 debug("Update on ITEMS_ID: " + uri); | |
| 118 selection = DBUtils.concatenateWhere(selection, TABLE_READING_LIST + "._id = ?"); | |
| 119 selectionArgs = DBUtils.appendSelectionArgs(selectionArgs, | |
| 120 new String[] { Long.toString(ContentUris.parseId(uri)) }); | |
| 121 | |
| 122 case ITEMS: { | |
| 123 debug("Updating ITEMS: " + uri); | |
| 124 updated = shouldUpdateOrInsert(uri) ? | |
| 125 updateOrInsertItem(uri, values, selection, selectionArgs) : | |
| 126 updateItems(uri, values, selection, selectionArgs); | |
| 127 break; | |
| 128 } | |
| 129 | |
| 130 default: | |
| 131 throw new UnsupportedOperationException("Unknown update URI " + uri); | |
| 132 } | |
| 133 | |
| 134 debug("Updated " + updated + " rows for URI: " + uri); | |
| 135 return updated; | |
| 136 } | |
| 137 | |
| 138 | |
| 139 @Override | |
| 140 @SuppressWarnings("fallthrough") | |
| 141 public int deleteInTransaction(Uri uri, String selection, String[] selectionArgs) { | |
| 142 trace("Calling delete in transaction on URI: " + uri); | |
| 143 | |
| 144 int numDeleted = 0; | |
| 145 int match = URI_MATCHER.match(uri); | |
| 146 | |
| 147 switch (match) { | |
| 148 case ITEMS_ID: | |
| 149 debug("Deleting on ITEMS_ID: " + uri); | |
| 150 selection = DBUtils.concatenateWhere(selection, TABLE_READING_LIST + "._id = ?"); | |
| 151 selectionArgs = DBUtils.appendSelectionArgs(selectionArgs, | |
| 152 new String[] { Long.toString(ContentUris.parseId(uri)) }); | |
| 153 | |
| 154 case ITEMS: | |
| 155 debug("Deleting ITEMS: " + uri); | |
| 156 numDeleted = deleteItems(uri, selection, selectionArgs); | |
| 157 break; | |
| 158 | |
| 159 default: | |
| 160 throw new UnsupportedOperationException("Unknown update URI " + uri); | |
| 161 } | |
| 162 | |
| 163 debug("Deleted " + numDeleted + " rows for URI: " + uri); | |
| 164 return numDeleted; | |
| 165 } | |
| 166 | |
| 167 @Override | |
| 168 public Uri insertInTransaction(Uri uri, ContentValues values) { | |
| 169 trace("Calling insert in transaction on URI: " + uri); | |
| 170 long id = -1; | |
| 171 int match = URI_MATCHER.match(uri); | |
| 172 | |
| 173 switch (match) { | |
| 174 case ITEMS: | |
| 175 trace("Insert on ITEMS: " + uri); | |
| 176 id = insertItem(uri, values); | |
| 177 break; | |
| 178 | |
| 179 default: | |
| 180 throw new UnsupportedOperationException("Unknown insert URI " + uri); | |
| 181 } | |
| 182 | |
| 183 debug("Inserted ID in database: " + id); | |
| 184 | |
| 185 if (id >= 0) { | |
| 186 return ContentUris.withAppendedId(uri, id); | |
| 187 } | |
| 188 | |
| 189 return null; | |
| 190 } | |
| 191 | |
| 192 @Override | |
| 193 public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) { | |
| 194 String groupBy = null; | |
| 195 SQLiteDatabase db = getReadableDatabase(uri); | |
| 196 SQLiteQueryBuilder qb = new SQLiteQueryBuilder(); | |
| 197 String limit = uri.getQueryParameter(BrowserContract.PARAM_LIMIT); | |
| 198 | |
| 199 final int match = URI_MATCHER.match(uri); | |
| 200 switch (match) { | |
| 201 case ITEMS_ID: | |
| 202 trace("Query on ITEMS_ID: " + uri); | |
| 203 selection = DBUtils.concatenateWhere(selection, ReadingListItems._ID + " = ?"); | |
| 204 selectionArgs = DBUtils.appendSelectionArgs(selectionArgs, | |
| 205 new String[] { Long.toString(ContentUris.parseId(uri)) }); | |
| 206 | |
| 207 case ITEMS: | |
| 208 trace("Query on ITEMS: " + uri); | |
| 209 if (!shouldShowDeleted(uri)) | |
| 210 selection = DBUtils.concatenateWhere(ReadingListItems.IS_DELETED + " = 0", selection); | |
| 211 break; | |
| 212 | |
| 213 default: | |
| 214 throw new UnsupportedOperationException("Unknown query URI " + uri); | |
| 215 } | |
| 216 | |
| 217 if (TextUtils.isEmpty(sortOrder)) { | |
| 218 sortOrder = ReadingListItems.DEFAULT_SORT_ORDER; | |
| 219 } | |
| 220 | |
| 221 trace("Running built query."); | |
| 222 qb.setTables(TABLE_READING_LIST); | |
| 223 Cursor cursor = qb.query(db, projection, selection, selectionArgs, groupBy, null, sortOrder, limit); | |
| 224 cursor.setNotificationUri(getContext().getContentResolver(), uri); | |
| 225 | |
| 226 return cursor; | |
| 227 } | |
| 228 | |
| 229 @Override | |
| 230 public String getType(Uri uri) { | |
| 231 trace("Getting URI type: " + uri); | |
| 232 | |
| 233 final int match = URI_MATCHER.match(uri); | |
| 234 switch (match) { | |
| 235 case ITEMS: | |
| 236 trace("URI is ITEMS: " + uri); | |
| 237 return ReadingListItems.CONTENT_TYPE; | |
| 238 | |
| 239 case ITEMS_ID: | |
| 240 trace("URI is ITEMS_ID: " + uri); | |
| 241 return ReadingListItems.CONTENT_ITEM_TYPE; | |
| 242 } | |
| 243 | |
| 244 debug("URI has unrecognized type: " + uri); | |
| 245 return null; | |
| 246 } | |
| 247 } |
