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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/DeprecatedStorageQuota.h"
     33 
     34 #include "core/dom/ExceptionCode.h"
     35 #include "core/dom/ExecutionContext.h"
     36 #include "modules/quota/DeprecatedStorageQuotaCallbacksImpl.h"
     37 #include "modules/quota/StorageErrorCallback.h"
     38 #include "modules/quota/StorageQuotaClient.h"
     39 #include "modules/quota/StorageUsageCallback.h"
     40 #include "platform/StorageQuotaCallbacks.h"
     41 #include "platform/weborigin/KURL.h"
     42 #include "platform/weborigin/SecurityOrigin.h"
     43 #include "public/platform/Platform.h"
     44 #include "public/platform/WebStorageQuotaCallbacks.h"
     45 #include "public/platform/WebStorageQuotaType.h"
     46 
     47 namespace blink {
     48 
     49 DeprecatedStorageQuota::DeprecatedStorageQuota(Type type)
     50     : m_type(type)
     51 {
     52 }
     53 
     54 void DeprecatedStorageQuota::queryUsageAndQuota(ExecutionContext* executionContext, StorageUsageCallback* successCallback, StorageErrorCallback* errorCallback)
     55 {
     56     ASSERT(executionContext);
     57 
     58     WebStorageQuotaType storageType = static_cast<WebStorageQuotaType>(m_type);
     59     if (storageType != WebStorageQuotaTypeTemporary && storageType != WebStorageQuotaTypePersistent) {
     60         // Unknown storage type is requested.
     61         executionContext->postTask(StorageErrorCallback::CallbackTask::create(errorCallback, NotSupportedError));
     62         return;
     63     }
     64 
     65     SecurityOrigin* securityOrigin = executionContext->securityOrigin();
     66     if (securityOrigin->isUnique()) {
     67         executionContext->postTask(StorageErrorCallback::CallbackTask::create(errorCallback, NotSupportedError));
     68         return;
     69     }
     70 
     71     KURL storagePartition = KURL(KURL(), securityOrigin->toString());
     72     OwnPtrWillBeRawPtr<StorageQuotaCallbacks> callbacks = DeprecatedStorageQuotaCallbacksImpl::create(successCallback, errorCallback);
     73     Platform::current()->queryStorageUsageAndQuota(storagePartition, storageType, callbacks.release());
     74 }
     75 
     76 void DeprecatedStorageQuota::requestQuota(ExecutionContext* executionContext, unsigned long long newQuotaInBytes, StorageQuotaCallback* successCallback, StorageErrorCallback* errorCallback)
     77 {
     78     ASSERT(executionContext);
     79 
     80     WebStorageQuotaType storageType = static_cast<WebStorageQuotaType>(m_type);
     81     if (storageType != WebStorageQuotaTypeTemporary && storageType != WebStorageQuotaTypePersistent) {
     82         // Unknown storage type is requested.
     83         executionContext->postTask(StorageErrorCallback::CallbackTask::create(errorCallback, NotSupportedError));
     84         return;
     85     }
     86 
     87     StorageQuotaClient* client = StorageQuotaClient::from(executionContext);
     88     if (!client) {
     89         executionContext->postTask(StorageErrorCallback::CallbackTask::create(errorCallback, NotSupportedError));
     90         return;
     91     }
     92 
     93     client->requestQuota(executionContext, storageType, newQuotaInBytes, successCallback, errorCallback);
     94 }
     95 
     96 } // namespace blink
     97