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 #include "config.h"

    32 #include "WebStorageAreaImpl.h"

    33 

    34 #if ENABLE(DOM_STORAGE)

    35 

    36 #include "ExceptionCode.h"

    37 

    38 #include "WebString.h"

    39 #include "WebURL.h"

    40 

    41 namespace WebKit {

    42 

    43 const WebURL* WebStorageAreaImpl::storageEventURL = 0;

    44 

    45 WebStorageAreaImpl::WebStorageAreaImpl(PassRefPtr<WebCore::StorageArea> storageArea)

    46     : m_storageArea(storageArea)

    47 {

    48 }

    49 

    50 WebStorageAreaImpl::~WebStorageAreaImpl()

    51 {

    52 }

    53 

    54 unsigned WebStorageAreaImpl::length()

    55 {

    56     return m_storageArea->length();

    57 }

    58 

    59 WebString WebStorageAreaImpl::key(unsigned index)

    60 {

    61     return m_storageArea->key(index);

    62 }

    63 

    64 WebString WebStorageAreaImpl::getItem(const WebString& key)

    65 {

    66     return m_storageArea->getItem(key);

    67 }

    68 

    69 void WebStorageAreaImpl::setItem(const WebString& key, const WebString& value, const WebURL& url, Result& result, WebString& oldValue, WebFrame*)

    70 {

    71     int exceptionCode = 0;

    72 

    73     ScopedStorageEventURL scope(url);

    74     oldValue = m_storageArea->setItem(key, value, exceptionCode, 0);

    75 

    76     if (exceptionCode) {

    77         ASSERT(exceptionCode == WebCore::QUOTA_EXCEEDED_ERR);

    78         result = ResultBlockedByQuota;

    79     } else

    80         result = ResultOK;

    81 }

    82 

    83 void WebStorageAreaImpl::removeItem(const WebString& key, const WebURL& url, WebString& oldValue)

    84 {

    85     ScopedStorageEventURL scope(url);

    86     oldValue = m_storageArea->removeItem(key, 0);

    87 }

    88 

    89 void WebStorageAreaImpl::clear(const WebURL& url, bool& somethingCleared)

    90 {

    91     ScopedStorageEventURL scope(url);

    92     somethingCleared = m_storageArea->clear(0);

    93 }

    94 

    95 } // namespace WebKit

    96 

    97 #endif // ENABLE(DOM_STORAGE)