1 /* 2 * Copyright (C) 2009 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 "QuotaTracker.h" 33 34 #if ENABLE(DATABASE) 35 36 #include <wtf/StdLibExtras.h> 37 38 namespace WebCore { 39 40 QuotaTracker& QuotaTracker::instance() 41 { 42 DEFINE_STATIC_LOCAL(QuotaTracker, tracker, ()); 43 return tracker; 44 } 45 46 void QuotaTracker::getDatabaseSizeAndSpaceAvailableToOrigin( 47 const String& originIdentifier, const String& databaseName, 48 unsigned long long* databaseSize, unsigned long long* spaceAvailable) 49 { 50 MutexLocker lockData(m_dataGuard); 51 ASSERT(m_databaseSizes.contains(originIdentifier)); 52 HashMap<String, SizeMap>::const_iterator it = m_databaseSizes.find(originIdentifier); 53 ASSERT(it->second.contains(databaseName)); 54 *databaseSize = it->second.get(databaseName); 55 56 ASSERT(m_spaceAvailableToOrigins.contains(originIdentifier)); 57 *spaceAvailable = m_spaceAvailableToOrigins.get(originIdentifier); 58 } 59 60 void QuotaTracker::updateDatabaseSizeAndSpaceAvailableToOrigin( 61 const String& originIdentifier, const String& databaseName, 62 unsigned long long databaseSize, unsigned long long spaceAvailable) 63 { 64 MutexLocker lockData(m_dataGuard); 65 m_spaceAvailableToOrigins.set(originIdentifier, spaceAvailable); 66 HashMap<String, SizeMap>::iterator it = m_databaseSizes.add(originIdentifier, SizeMap()).first; 67 it->second.set(databaseName, databaseSize); 68 } 69 70 } 71 72 #endif // ENABLE(DATABASE) 73
