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      1 /*
      2  * Copyright (C) 2011 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 "modules/quota/StorageQuota.h"
     33 
     34 #include "core/dom/ExceptionCode.h"
     35 #include "core/dom/ScriptExecutionContext.h"
     36 #include "modules/quota/StorageErrorCallback.h"
     37 #include "modules/quota/StorageUsageCallback.h"
     38 #include "modules/quota/WebStorageQuotaCallbacksImpl.h"
     39 #include "public/platform/Platform.h"
     40 #include "public/platform/WebStorageQuotaCallbacks.h"
     41 #include "public/platform/WebStorageQuotaType.h"
     42 #include "weborigin/KURL.h"
     43 #include "weborigin/SecurityOrigin.h"
     44 
     45 namespace WebCore {
     46 
     47 StorageQuota::StorageQuota(Type type)
     48     : m_type(type)
     49 {
     50     ScriptWrappable::init(this);
     51 }
     52 
     53 void StorageQuota::queryUsageAndQuota(ScriptExecutionContext* scriptExecutionContext, PassRefPtr<StorageUsageCallback> successCallback, PassRefPtr<StorageErrorCallback> errorCallback)
     54 {
     55     ASSERT(scriptExecutionContext);
     56 
     57     WebKit::WebStorageQuotaType storageType = static_cast<WebKit::WebStorageQuotaType>(m_type);
     58     if (storageType != WebKit::WebStorageQuotaTypeTemporary && storageType != WebKit::WebStorageQuotaTypePersistent) {
     59         // Unknown storage type is requested.
     60         scriptExecutionContext->postTask(StorageErrorCallback::CallbackTask::create(errorCallback, NotSupportedError));
     61         return;
     62     }
     63 
     64     SecurityOrigin* securityOrigin = scriptExecutionContext->securityOrigin();
     65     if (securityOrigin->isUnique()) {
     66         scriptExecutionContext->postTask(StorageErrorCallback::CallbackTask::create(errorCallback, NotSupportedError));
     67         return;
     68     }
     69 
     70     KURL storagePartition = KURL(KURL(), securityOrigin->toString());
     71     WebKit::Platform::current()->queryStorageUsageAndQuota(storagePartition, storageType, WebStorageQuotaCallbacksImpl::createLeakedPtr(successCallback, errorCallback));
     72 }
     73 
     74 StorageQuota::~StorageQuota()
     75 {
     76 }
     77 
     78 } // namespace WebCore
     79