LCOV - code coverage report
Current view: directory - dom/indexedDB - DatabaseInfo.h (source / functions) Found Hit Coverage
Test: app.info Lines: 5 5 100.0 %
Date: 2012-06-02 Functions: 5 5 100.0 %

       1                 : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* vim: set ts=2 et sw=2 tw=80: */
       3                 : /* ***** BEGIN LICENSE BLOCK *****
       4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       5                 :  *
       6                 :  * The contents of this file are subject to the Mozilla Public License Version
       7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       8                 :  * the License. You may obtain a copy of the License at
       9                 :  * http://www.mozilla.org/MPL/
      10                 :  *
      11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      13                 :  * for the specific language governing rights and limitations under the
      14                 :  * License.
      15                 :  *
      16                 :  * The Original Code is Indexed Database.
      17                 :  *
      18                 :  * The Initial Developer of the Original Code is
      19                 :  * The Mozilla Foundation.
      20                 :  * Portions created by the Initial Developer are Copyright (C) 2010
      21                 :  * the Initial Developer. All Rights Reserved.
      22                 :  *
      23                 :  * Contributor(s):
      24                 :  *   Ben Turner <bent.mozilla@gmail.com>
      25                 :  *
      26                 :  * Alternatively, the contents of this file may be used under the terms of
      27                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      28                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      29                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      30                 :  * of those above. If you wish to allow use of your version of this file only
      31                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      32                 :  * use your version of this file under the terms of the MPL, indicate your
      33                 :  * decision by deleting the provisions above and replace them with the notice
      34                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      35                 :  * the provisions above, a recipient may use your version of this file under
      36                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      37                 :  *
      38                 :  * ***** END LICENSE BLOCK ***** */
      39                 : 
      40                 : #ifndef mozilla_dom_indexeddb_databaseinfo_h__
      41                 : #define mozilla_dom_indexeddb_databaseinfo_h__
      42                 : 
      43                 : // Only meant to be included in IndexedDB source files, not exported.
      44                 : #include "IndexedDatabase.h"
      45                 : 
      46                 : #include "Key.h"
      47                 : #include "IDBObjectStore.h"
      48                 : 
      49                 : #include "nsRefPtrHashtable.h"
      50                 : #include "nsHashKeys.h"
      51                 : 
      52                 : BEGIN_INDEXEDDB_NAMESPACE
      53                 : 
      54                 : struct ObjectStoreInfo;
      55                 : 
      56                 : typedef nsRefPtrHashtable<nsStringHashKey, ObjectStoreInfo>
      57                 :         ObjectStoreInfoHash;
      58                 : 
      59                 : class IDBDatabase;
      60                 : class OpenDatabaseHelper;
      61                 : 
      62                 : struct DatabaseInfo
      63                 : {
      64                 :   friend class IDBDatabase;
      65                 :   friend class OpenDatabaseHelper;
      66                 : 
      67                 : private:
      68              80 :   DatabaseInfo()
      69                 :   : nextObjectStoreId(1),
      70                 :     nextIndexId(1),
      71              80 :     cloned(false)
      72              80 :   { }
      73                 :   ~DatabaseInfo();
      74                 : 
      75                 :   static bool Get(nsIAtom* aId,
      76                 :                   DatabaseInfo** aInfo);
      77                 : 
      78                 :   static bool Put(DatabaseInfo* aInfo);
      79                 : 
      80                 : public:
      81                 :   static void Remove(nsIAtom* aId);
      82                 : 
      83                 :   static void RemoveAllForOrigin(const nsACString& aOrigin);
      84                 : 
      85                 :   bool GetObjectStoreNames(nsTArray<nsString>& aNames);
      86                 :   bool ContainsStoreName(const nsAString& aName);
      87                 : 
      88                 :   ObjectStoreInfo* GetObjectStore(const nsAString& aName);
      89                 : 
      90                 :   bool PutObjectStore(ObjectStoreInfo* aInfo);
      91                 : 
      92                 :   void RemoveObjectStore(const nsAString& aName);
      93                 : 
      94                 :   already_AddRefed<DatabaseInfo> Clone();
      95                 : 
      96                 :   nsString name;
      97                 :   nsCString origin;
      98                 :   PRUint64 version;
      99                 :   nsCOMPtr<nsIAtom> id;
     100                 :   nsString filePath;
     101                 :   PRInt64 nextObjectStoreId;
     102                 :   PRInt64 nextIndexId;
     103                 :   bool cloned;
     104                 : 
     105                 :   nsAutoPtr<ObjectStoreInfoHash> objectStoreHash;
     106                 : 
     107            1362 :   NS_INLINE_DECL_REFCOUNTING(DatabaseInfo)
     108                 : };
     109                 : 
     110                 : struct IndexInfo
     111                 : {
     112                 : #ifdef NS_BUILD_REFCNT_LOGGING
     113                 :   IndexInfo();
     114                 :   IndexInfo(const IndexInfo& aOther);
     115                 :   ~IndexInfo();
     116                 : #else
     117                 :   IndexInfo()
     118                 :   : id(LL_MININT), unique(false), multiEntry(false) { }
     119                 : #endif
     120                 : 
     121                 :   PRInt64 id;
     122                 :   nsString name;
     123                 :   nsString keyPath;
     124                 :   nsTArray<nsString> keyPathArray;
     125                 :   bool unique;
     126                 :   bool multiEntry;
     127                 : };
     128                 : 
     129                 : struct ObjectStoreInfo
     130                 : {
     131                 : #ifdef NS_BUILD_REFCNT_LOGGING
     132                 :   ObjectStoreInfo();
     133                 : #else
     134                 :   ObjectStoreInfo()
     135                 :   : id(0), nextAutoIncrementId(0), comittedAutoIncrementId(0) { }
     136                 : #endif
     137                 : 
     138                 :   ObjectStoreInfo(ObjectStoreInfo& aOther);
     139                 : 
     140                 : private:
     141                 : #ifdef NS_BUILD_REFCNT_LOGGING
     142                 :   ~ObjectStoreInfo();
     143                 : #else
     144                 :   ~ObjectStoreInfo() {}
     145                 : #endif
     146                 : public:
     147                 : 
     148                 :   // Constant members, can be gotten on any thread
     149                 :   nsString name;
     150                 :   PRInt64 id;
     151                 :   nsString keyPath;
     152                 :   nsTArray<nsString> keyPathArray;
     153                 : 
     154                 :   // Main-thread only members. This must *not* be touced on the database thread
     155                 :   nsTArray<IndexInfo> indexes;
     156                 : 
     157                 :   // Database-thread members. After the ObjectStoreInfo has been initialized,
     158                 :   // these can *only* be touced on the database thread.
     159                 :   PRInt64 nextAutoIncrementId;
     160                 :   PRInt64 comittedAutoIncrementId;
     161                 : 
     162                 :   // This is threadsafe since the ObjectStoreInfos are created on the database
     163                 :   // thread but then only used from the main thread. Ideal would be if we
     164                 :   // could transfer ownership from the database thread to the main thread, but
     165                 :   // we don't have that ability yet.
     166            2563 :   NS_INLINE_DECL_THREADSAFE_REFCOUNTING(ObjectStoreInfo)
     167                 : };
     168                 : 
     169                 : struct IndexUpdateInfo
     170                 : {
     171                 : #ifdef NS_BUILD_REFCNT_LOGGING
     172                 :   IndexUpdateInfo();
     173                 :   ~IndexUpdateInfo();
     174                 : #endif
     175                 : 
     176                 :   PRInt64 indexId;
     177                 :   bool indexUnique;
     178                 :   Key value;
     179                 : };
     180                 : 
     181                 : END_INDEXEDDB_NAMESPACE
     182                 : 
     183                 : #endif // mozilla_dom_indexeddb_databaseinfo_h__

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