1 /*

     2  * Copyright (C) 2009 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 are

     6  * met:

     7  *

     8  *     * Redistributions of source code must retain the above copyright

     9  * notice, this list of conditions and the following disclaimer.

    10  *     * Redistributions in binary form must reproduce the above

    11  * copyright notice, this list of conditions and the following disclaimer

    12  * in the documentation and/or other materials provided with the

    13  * distribution.

    14  *     * Neither the name of Google Inc. nor the names of its

    15  * contributors may be used to endorse or promote products derived from

    16  * this software without specific prior written permission.

    17  *

    18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

    19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

    20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

    21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

    22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

    23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

    24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

    25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

    26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    29  */

    30 

    31 #ifndef WebStorageAreaImpl_h

    32 #define WebStorageAreaImpl_h

    33 

    34 #if ENABLE(DOM_STORAGE)

    35 

    36 #include "StorageAreaImpl.h"

    37 #include "WebStorageArea.h"

    38 

    39 namespace WebKit {

    40 

    41 class WebStorageAreaImpl : public WebStorageArea {

    42 public:

    43     WebStorageAreaImpl(PassRefPtr<WebCore::StorageArea> storageArea);

    44     virtual ~WebStorageAreaImpl();

    45     virtual unsigned length();

    46     virtual WebString key(unsigned index);

    47     virtual WebString getItem(const WebString& key);

    48     virtual void setItem(const WebString& key, const WebString& value, const WebURL& url, Result& result, WebString& oldValue, WebFrame*);

    49     virtual void removeItem(const WebString& key, const WebURL& url, WebString& oldValue);

    50     virtual void clear(const WebURL& url, bool& somethingCleared);

    51 

    52     // For storage events in single-process mode and test shell.

    53     static const WebURL* currentStorageEventURL() { return storageEventURL; }

    54 

    55 private:

    56     class ScopedStorageEventURL {

    57     public:

    58         ScopedStorageEventURL(const WebURL& url)

    59         {

    60             // FIXME: Once storage events are fired async in WebKit (as they should

    61             //        be) this can be ASSERTed to be 0 rather than saved.

    62             m_existingStorageEventURL = storageEventURL;

    63             storageEventURL = &url;

    64         }

    65         ~ScopedStorageEventURL()

    66         {

    67             storageEventURL = m_existingStorageEventURL;

    68         }

    69 

    70     private:

    71         const WebURL* m_existingStorageEventURL;

    72     };

    73 

    74     static const WebURL* storageEventURL;

    75 

    76     RefPtr<WebCore::StorageArea> m_storageArea;

    77 };

    78 

    79 } // namespace WebKit

    80 

    81 #endif // ENABLE(DOM_STORAGE)

    82 

    83 #endif // WebStorageAreaImpl_h