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#ifndef StorageInfo_h 32#define StorageInfo_h 33 34#if ENABLE(QUOTA) 35 36#include <wtf/PassRefPtr.h> 37#include <wtf/RefCounted.h> 38#include <wtf/RefPtr.h> 39 40namespace WebCore { 41 42class ScriptExecutionContext; 43class StorageErrorCallback; 44class StorageQuota; 45class StorageQuotaCallback; 46class StorageUsageCallback; 47 48class StorageInfo : public RefCounted<StorageInfo> { 49public: 50 enum { 51 TEMPORARY, 52 PERSISTENT, 53 }; 54 55 static PassRefPtr<StorageInfo> create() 56 { 57 return adoptRef(new StorageInfo()); 58 } 59 60 void queryUsageAndQuota(ScriptExecutionContext*, int storageType, PassRefPtr<StorageUsageCallback>, PassRefPtr<StorageErrorCallback>); 61 62 void requestQuota(ScriptExecutionContext*, int storageType, unsigned long long newQuotaInBytes, PassRefPtr<StorageQuotaCallback>, PassRefPtr<StorageErrorCallback>); 63 64 ~StorageInfo(); 65 66private: 67 StorageInfo(); 68 69 StorageQuota* getStorageQuota(int storageType); 70 71 mutable RefPtr<StorageQuota> m_temporaryStorage; 72 mutable RefPtr<StorageQuota> m_persistentStorage; 73}; 74 75} // namespace WebCore 76 77#endif // ENABLE(QUOTA) 78 79#endif // StorageInfo_h 80