Home | History | Annotate | Download | only in quota 
      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 
     33 #include "modules/quota/DeprecatedStorageInfo.h"
     34 
     35 #include "core/dom/Document.h"
     36 #include "core/dom/ExceptionCode.h"
     37 #include "core/dom/ExecutionContext.h"
     38 #include "modules/quota/DeprecatedStorageQuota.h"
     39 #include "modules/quota/StorageErrorCallback.h"
     40 #include "modules/quota/StorageQuotaCallback.h"
     41 #include "modules/quota/StorageUsageCallback.h"
     42 
     43 namespace WebCore {
     44 
     45 DeprecatedStorageInfo::DeprecatedStorageInfo()
     46 {
     47     ScriptWrappable::init(this);
     48 }
     49 
     50 DeprecatedStorageInfo::~DeprecatedStorageInfo()
     51 {
     52 }
     53 
     54 void DeprecatedStorageInfo::queryUsageAndQuota(ExecutionContext* executionContext, int storageType, PassOwnPtr<StorageUsageCallback> successCallback, PassOwnPtr<StorageErrorCallback> errorCallback)
     55 {
     56     // Dispatching the request to DeprecatedStorageQuota, as this interface is deprecated in favor of DeprecatedStorageQuota.
     57     DeprecatedStorageQuota* storageQuota = getStorageQuota(storageType);
     58     if (!storageQuota) {
     59         // Unknown storage type is requested.
     60         executionContext->postTask(StorageErrorCallback::CallbackTask::create(errorCallback, NotSupportedError));
     61         return;
     62     }
     63     storageQuota->queryUsageAndQuota(executionContext, successCallback, errorCallback);
     64 }
     65 
     66 void DeprecatedStorageInfo::requestQuota(ExecutionContext* executionContext, int storageType, unsigned long long newQuotaInBytes, PassOwnPtr<StorageQuotaCallback> successCallback, PassOwnPtr<StorageErrorCallback> errorCallback)
     67 {
     68     // Dispatching the request to DeprecatedStorageQuota, as this interface is deprecated in favor of DeprecatedStorageQuota.
     69     DeprecatedStorageQuota* storageQuota = getStorageQuota(storageType);
     70     if (!storageQuota) {
     71         // Unknown storage type is requested.
     72         executionContext->postTask(StorageErrorCallback::CallbackTask::create(errorCallback, NotSupportedError));
     73         return;
     74     }
     75     storageQuota->requestQuota(executionContext, newQuotaInBytes, successCallback, errorCallback);
     76 }
     77 
     78 DeprecatedStorageQuota* DeprecatedStorageInfo::getStorageQuota(int storageType)
     79 {
     80     switch (storageType) {
     81     case TEMPORARY:
     82         if (!m_temporaryStorage)
     83             m_temporaryStorage = DeprecatedStorageQuota::create(DeprecatedStorageQuota::Temporary);
     84         return m_temporaryStorage.get();
     85     case PERSISTENT:
     86         if (!m_persistentStorage)
     87             m_persistentStorage = DeprecatedStorageQuota::create(DeprecatedStorageQuota::Persistent);
     88         return m_persistentStorage.get();
     89     }
     90     return 0;
     91 }
     92 
     93 void DeprecatedStorageInfo::trace(Visitor* visitor)
     94 {
     95     visitor->trace(m_temporaryStorage);
     96     visitor->trace(m_persistentStorage);
     97 }
     98 
     99 } // namespace WebCore
    100