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      1 /*
      2  * Copyright (C) 2012 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     17  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     18  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     19  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     20  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     21  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef WebIDBMetadata_h
     27 #define WebIDBMetadata_h
     28 
     29 #include "WebCommon.h"
     30 #include "WebIDBKeyPath.h"
     31 #include "WebString.h"
     32 #include "WebVector.h"
     33 
     34 namespace blink {
     35 
     36 struct IDBDatabaseMetadata;
     37 
     38 struct WebIDBMetadata {
     39     enum {
     40         NoIntVersion = -1
     41     };
     42     struct Index;
     43     struct ObjectStore;
     44 
     45     WebString name;
     46     // FIXME: Both version members need to be present while we support both the
     47     // old setVersion and new upgradeneeded API. Once we no longer support
     48     // setVersion, WebString version can be removed.
     49     WebString version;
     50     long long intVersion;
     51     long long id;
     52     long long maxObjectStoreId;
     53     WebVector<ObjectStore> objectStores;
     54     WebIDBMetadata()
     55         : intVersion(NoIntVersion) { }
     56 
     57     struct ObjectStore {
     58         WebString name;
     59         WebIDBKeyPath keyPath;
     60         bool autoIncrement;
     61         long long id;
     62         long long maxIndexId;
     63         WebVector<Index> indexes;
     64         ObjectStore()
     65             : keyPath(WebIDBKeyPath::createNull())
     66             , autoIncrement(false) { }
     67     };
     68 
     69     struct Index {
     70         WebString name;
     71         WebIDBKeyPath keyPath;
     72         bool unique;
     73         bool multiEntry;
     74         long long id;
     75         Index()
     76             : keyPath(WebIDBKeyPath::createNull())
     77             , unique(false)
     78             , multiEntry(false) { }
     79     };
     80 
     81 #if BLINK_IMPLEMENTATION
     82     WebIDBMetadata(const IDBDatabaseMetadata&);
     83     operator IDBDatabaseMetadata() const;
     84 #endif
     85 };
     86 
     87 } // namespace blink
     88 
     89 #endif // WebIDBMetadata_h
     90