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 StorageQuota_h 32#define StorageQuota_h 33 34#if ENABLE(QUOTA) 35 36#include <wtf/PassRefPtr.h> 37#include <wtf/RefCounted.h> 38 39namespace WebCore { 40 41class ScriptExecutionContext; 42class StorageErrorCallback; 43class StorageQuotaCallback; 44class StorageUsageCallback; 45 46class StorageQuota : public RefCounted<StorageQuota> { 47public: 48 enum Type { 49 Temporary, 50 Persistent, 51 }; 52 53 static PassRefPtr<StorageQuota> create(Type type) 54 { 55 return adoptRef(new StorageQuota(type)); 56 } 57 58 void queryUsageAndQuota(ScriptExecutionContext*, PassRefPtr<StorageUsageCallback>, PassRefPtr<StorageErrorCallback>); 59 60 void requestQuota(ScriptExecutionContext*, unsigned long long newQuotaInBytes, PassRefPtr<StorageQuotaCallback>, PassRefPtr<StorageErrorCallback>); 61 62 ~StorageQuota(); 63 64private: 65 explicit StorageQuota(Type); 66 Type m_type; 67}; 68 69} // namespace WebCore 70 71#endif // ENABLE(QUOTA) 72 73#endif // StorageQuota_h 74