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_idbfactory_h__
41 : #define mozilla_dom_indexeddb_idbfactory_h__
42 :
43 : #include "mozilla/dom/indexedDB/IndexedDatabase.h"
44 :
45 : #include "mozIStorageConnection.h"
46 : #include "nsIIDBFactory.h"
47 :
48 : #include "nsCycleCollectionParticipant.h"
49 : #include "nsXULAppAPI.h"
50 :
51 : class nsIAtom;
52 : class nsPIDOMWindow;
53 :
54 : BEGIN_INDEXEDDB_NAMESPACE
55 :
56 : struct DatabaseInfo;
57 : class IDBDatabase;
58 : struct ObjectStoreInfo;
59 :
60 : class IDBFactory : public nsIIDBFactory
61 : {
62 : typedef nsTArray<nsRefPtr<ObjectStoreInfo> > ObjectStoreInfoArray;
63 :
64 : public:
65 0 : NS_DECL_CYCLE_COLLECTING_ISUPPORTS
66 7663 : NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(IDBFactory)
67 : NS_DECL_NSIIDBFACTORY
68 :
69 : static already_AddRefed<nsIIDBFactory> Create(nsPIDOMWindow* aWindow);
70 :
71 : static already_AddRefed<nsIIDBFactory> Create(JSContext* aCx,
72 : JSObject* aOwningObject);
73 :
74 : static already_AddRefed<mozIStorageConnection>
75 : GetConnection(const nsAString& aDatabaseFilePath);
76 :
77 : // Called when a process uses an IndexedDB factory. We only allow
78 : // a single process type to use IndexedDB - the chrome/single process
79 : // in Firefox, and the child process in Fennec - so access by more
80 : // than one process type is a very serious error.
81 : static void
82 : NoteUsedByProcessType(GeckoProcessType aProcessType);
83 :
84 : static nsresult
85 : GetDirectory(nsIFile** aDirectory);
86 :
87 : static nsresult
88 : GetDirectoryForOrigin(const nsACString& aASCIIOrigin,
89 : nsIFile** aDirectory);
90 :
91 : static nsresult
92 : LoadDatabaseInformation(mozIStorageConnection* aConnection,
93 : nsIAtom* aDatabaseId,
94 : PRUint64* aVersion,
95 : ObjectStoreInfoArray& aObjectStores);
96 :
97 : static nsresult
98 : SetDatabaseMetadata(DatabaseInfo* aDatabaseInfo,
99 : PRUint64 aVersion,
100 : ObjectStoreInfoArray& aObjectStores);
101 :
102 : private:
103 : IDBFactory();
104 : ~IDBFactory();
105 :
106 : nsresult
107 : OpenCommon(const nsAString& aName,
108 : PRInt64 aVersion,
109 : bool aDeleting,
110 : nsIIDBOpenDBRequest** _retval);
111 :
112 : // If this factory lives on a window then mWindow must be non-null. Otherwise
113 : // mOwningObject must be non-null.
114 : nsCOMPtr<nsPIDOMWindow> mWindow;
115 : JSObject* mOwningObject;
116 : };
117 :
118 : END_INDEXEDDB_NAMESPACE
119 :
120 : #endif // mozilla_dom_indexeddb_idbfactory_h__
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