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      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
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GOOGLE INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 #include "StorageNamespaceProxy.h"
     28 
     29 #if ENABLE(DOM_STORAGE)
     30 
     31 #include "Chrome.h"
     32 #include "ChromeClientImpl.h"
     33 #include "Page.h"
     34 #include "SecurityOrigin.h"
     35 #include "StorageAreaProxy.h"
     36 #include "WebKit.h"
     37 #include "WebKitClient.h"
     38 #include "WebStorageNamespace.h"
     39 #include "WebString.h"
     40 #include "WebViewClient.h"
     41 #include "WebViewImpl.h"
     42 
     43 namespace WebCore {
     44 
     45 PassRefPtr<StorageNamespace> StorageNamespace::localStorageNamespace(const String& path, unsigned quota)
     46 {
     47     return adoptRef(new StorageNamespaceProxy(WebKit::webKitClient()->createLocalStorageNamespace(path, quota), LocalStorage));
     48 }
     49 
     50 PassRefPtr<StorageNamespace> StorageNamespace::sessionStorageNamespace(Page* page, unsigned quota)
     51 {
     52     WebKit::WebViewClient* webViewClient = static_cast<WebKit::WebViewImpl*>(page->chrome()->client()->webView())->client();
     53     return adoptRef(new StorageNamespaceProxy(webViewClient->createSessionStorageNamespace(quota), SessionStorage));
     54 }
     55 
     56 StorageNamespaceProxy::StorageNamespaceProxy(WebKit::WebStorageNamespace* storageNamespace, StorageType storageType)
     57     : m_storageNamespace(storageNamespace)
     58     , m_storageType(storageType)
     59 {
     60 }
     61 
     62 StorageNamespaceProxy::~StorageNamespaceProxy()
     63 {
     64 }
     65 
     66 PassRefPtr<StorageNamespace> StorageNamespaceProxy::copy()
     67 {
     68     ASSERT(m_storageType == SessionStorage);
     69     WebKit::WebStorageNamespace* newNamespace = m_storageNamespace->copy();
     70     // Some embedders hook into WebViewClient::createView to make the copy of
     71     // session storage and then return the object lazily.  Other embedders
     72     // choose to make the copy now and return a pointer immediately.  So handle
     73     // both cases.
     74     if (!newNamespace)
     75         return 0;
     76     return adoptRef(new StorageNamespaceProxy(newNamespace, m_storageType));
     77 }
     78 
     79 PassRefPtr<StorageArea> StorageNamespaceProxy::storageArea(PassRefPtr<SecurityOrigin> origin)
     80 {
     81     return adoptRef(new StorageAreaProxy(m_storageNamespace->createStorageArea(origin->toString()), m_storageType));
     82 }
     83 
     84 void StorageNamespaceProxy::close()
     85 {
     86     m_storageNamespace->close();
     87 }
     88 
     89 void StorageNamespaceProxy::unlock()
     90 {
     91     // FIXME: Implement.
     92 }
     93 
     94 void StorageNamespaceProxy::clearOriginForDeletion(SecurityOrigin* origin)
     95 {
     96     ASSERT_NOT_REACHED();
     97 }
     98 
     99 void StorageNamespaceProxy::clearAllOriginsForDeletion()
    100 {
    101     ASSERT_NOT_REACHED();
    102 }
    103 
    104 void StorageNamespaceProxy::sync()
    105 {
    106     ASSERT_NOT_REACHED();
    107 }
    108 
    109 } // namespace WebCore
    110 
    111 #endif // ENABLE(DOM_STORAGE)
    112