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