1 /*

     2  * Copyright (C) 2010 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 IDBDatabase_h

    27 #define IDBDatabase_h

    28 

    29 #include "PlatformString.h"

    30 #include <wtf/PassRefPtr.h>

    31 #include <wtf/Threading.h>

    32 

    33 #if ENABLE(INDEXED_DATABASE)

    34 

    35 namespace WebCore {

    36 

    37 class DOMStringList;

    38 class Frame;

    39 class IDBCallbacks;

    40 class IDBObjectStore;

    41 

    42 // This class is shared by IDBDatabaseRequest (async) and IDBDatabaseSync (sync).

    43 // This is implemented by IDBDatabaseImpl and optionally others (in order to proxy

    44 // calls across process barriers). All calls to these classes should be non-blocking and

    45 // trigger work on a background thread if necessary.

    46 class IDBDatabase : public ThreadSafeShared<IDBDatabase> {

    47 public:

    48     virtual ~IDBDatabase() { }

    49 

    50     virtual String name() const = 0;

    51     virtual String description() const = 0;

    52     virtual String version() const = 0;

    53     virtual PassRefPtr<DOMStringList> objectStores() const = 0;

    54 

    55     // FIXME: Add transaction and setVersion.

    56 

    57     virtual void createObjectStore(const String& name, const String& keyPath, bool autoIncrement, PassRefPtr<IDBCallbacks>) = 0;

    58     virtual PassRefPtr<IDBObjectStore> objectStore(const String& name, unsigned short mode) = 0;

    59     virtual void removeObjectStore(const String& name, PassRefPtr<IDBCallbacks>) = 0;

    60 };

    61 

    62 } // namespace WebCore

    63 

    64 #endif

    65 

    66 #endif // IDBDatabase_h