| /* |
| * Copyright (C) 2011 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "modules/webdatabase/QuotaTracker.h" |
| |
| #include "platform/weborigin/SecurityOrigin.h" |
| #include "public/platform/Platform.h" |
| #include "public/platform/WebSecurityOrigin.h" |
| #include "wtf/StdLibExtras.h" |
| #include "wtf/Threading.h" |
| |
| namespace blink { |
| |
| QuotaTracker& QuotaTracker::instance() |
| { |
| DEFINE_THREAD_SAFE_STATIC_LOCAL(QuotaTracker, tracker, new QuotaTracker); |
| return tracker; |
| } |
| |
| void QuotaTracker::getDatabaseSizeAndSpaceAvailableToOrigin( |
| SecurityOrigin* origin, const String& databaseName, |
| unsigned long long* databaseSize, unsigned long long* spaceAvailable) |
| { |
| // Extra scope to unlock prior to potentially calling Platform. |
| { |
| MutexLocker lockData(m_dataGuard); |
| ASSERT(m_databaseSizes.contains(origin->toRawString())); |
| HashMap<String, SizeMap>::const_iterator it = m_databaseSizes.find(origin->toRawString()); |
| ASSERT(it->value.contains(databaseName)); |
| *databaseSize = it->value.get(databaseName); |
| |
| if (m_spaceAvailableToOrigins.contains(origin->toRawString())) { |
| *spaceAvailable = m_spaceAvailableToOrigins.get(origin->toRawString()); |
| return; |
| } |
| } |
| |
| // The embedder hasn't pushed this value to us, so we pull it as needed. |
| *spaceAvailable = Platform::current()->databaseGetSpaceAvailableForOrigin(WebSecurityOrigin(origin)); |
| } |
| |
| void QuotaTracker::updateDatabaseSize( |
| SecurityOrigin* origin, const String& databaseName, |
| unsigned long long databaseSize) |
| { |
| MutexLocker lockData(m_dataGuard); |
| HashMap<String, SizeMap>::ValueType* it = m_databaseSizes.add(origin->toRawString(), SizeMap()).storedValue; |
| it->value.set(databaseName, databaseSize); |
| } |
| |
| void QuotaTracker::updateSpaceAvailableToOrigin(SecurityOrigin* origin, unsigned long long spaceAvailable) |
| { |
| MutexLocker lockData(m_dataGuard); |
| m_spaceAvailableToOrigins.set(origin->toRawString(), spaceAvailable); |
| } |
| |
| void QuotaTracker::resetSpaceAvailableToOrigin(SecurityOrigin* origin) |
| { |
| MutexLocker lockData(m_dataGuard); |
| m_spaceAvailableToOrigins.remove(origin->toRawString()); |
| } |
| |
| } // namespace blink |