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) 2011
21 : * the Initial Developer. All Rights Reserved.
22 : *
23 : * Contributor(s):
24 : *
25 : * Alternatively, the contents of this file may be used under the terms of
26 : * either the GNU General Public License Version 2 or later (the "GPL"), or
27 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
28 : * in which case the provisions of the GPL or the LGPL are applicable instead
29 : * of those above. If you wish to allow use of your version of this file only
30 : * under the terms of either the GPL or the LGPL, and not to allow others to
31 : * use your version of this file under the terms of the MPL, indicate your
32 : * decision by deleting the provisions above and replace them with the notice
33 : * and other provisions required by the GPL or the LGPL. If you do not delete
34 : * the provisions above, a recipient may use your version of this file under
35 : * the terms of any one of the MPL, the GPL or the LGPL.
36 : *
37 : * ***** END LICENSE BLOCK ***** */
38 :
39 : #ifndef mozilla_dom_indexeddb_filemanager_h__
40 : #define mozilla_dom_indexeddb_filemanager_h__
41 :
42 : #include "IndexedDatabase.h"
43 : #include "nsIFile.h"
44 : #include "nsILocalFile.h"
45 : #include "nsIDOMFile.h"
46 : #include "nsDataHashtable.h"
47 :
48 : class mozIStorageConnection;
49 :
50 : BEGIN_INDEXEDDB_NAMESPACE
51 :
52 : class FileInfo;
53 :
54 : class FileManager
55 : {
56 : friend class FileInfo;
57 :
58 : public:
59 52 : FileManager(const nsACString& aOrigin,
60 : const nsAString& aDatabaseName)
61 : : mOrigin(aOrigin), mDatabaseName(aDatabaseName), mLastFileId(0),
62 52 : mLoaded(false), mInvalidated(false)
63 52 : { }
64 :
65 52 : ~FileManager()
66 52 : { }
67 :
68 4240 : NS_INLINE_DECL_THREADSAFE_REFCOUNTING(FileManager)
69 :
70 0 : const nsACString& Origin() const
71 : {
72 0 : return mOrigin;
73 : }
74 :
75 26 : const nsAString& DatabaseName() const
76 : {
77 26 : return mDatabaseName;
78 : }
79 :
80 75 : bool Inited() const
81 : {
82 75 : return !mDirectoryPath.IsEmpty();
83 : }
84 :
85 75 : bool Loaded() const
86 : {
87 75 : return mLoaded;
88 : }
89 :
90 0 : bool Invalidated() const
91 : {
92 0 : return mInvalidated;
93 : }
94 :
95 : nsresult Init(nsIFile* aDirectory,
96 : mozIStorageConnection* aConnection);
97 :
98 : nsresult Load(mozIStorageConnection* aConnection);
99 :
100 : nsresult Invalidate();
101 :
102 : already_AddRefed<nsIFile> GetDirectory();
103 :
104 : already_AddRefed<FileInfo> GetFileInfo(PRInt64 aId);
105 :
106 : already_AddRefed<FileInfo> GetNewFileInfo();
107 :
108 : static already_AddRefed<nsIFile> GetFileForId(nsIFile* aDirectory,
109 : PRInt64 aId);
110 :
111 : private:
112 : nsCString mOrigin;
113 : nsString mDatabaseName;
114 :
115 : nsString mDirectoryPath;
116 :
117 : PRInt64 mLastFileId;
118 :
119 : // Protected by IndexedDatabaseManager::FileMutex()
120 : nsDataHashtable<nsUint64HashKey, FileInfo*> mFileInfos;
121 :
122 : bool mLoaded;
123 : bool mInvalidated;
124 : };
125 :
126 : END_INDEXEDDB_NAMESPACE
127 :
128 : #endif // mozilla_dom_indexeddb_filemanager_h__
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