blob: 55aea98e9eff0909477f92e180923ef2dc0e9320 [file] [log] [blame]
/*
* 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 "platform/wtf/StdLibExtras.h"
#include "platform/wtf/Threading.h"
#include "public/platform/Platform.h"
#include "public/platform/WebSecurityOrigin.h"
namespace blink {
QuotaTracker& QuotaTracker::Instance() {
DEFINE_THREAD_SAFE_STATIC_LOCAL(QuotaTracker, tracker, ());
return tracker;
}
void QuotaTracker::GetDatabaseSizeAndSpaceAvailableToOrigin(
const SecurityOrigin* origin,
const String& database_name,
unsigned long long* database_size,
unsigned long long* space_available) {
// Extra scope to unlock prior to potentially calling Platform.
{
MutexLocker lock_data(data_guard_);
DCHECK(database_sizes_.Contains(origin->ToRawString()));
HashMap<String, SizeMap>::const_iterator it =
database_sizes_.find(origin->ToRawString());
DCHECK(it->value.Contains(database_name));
*database_size = it->value.at(database_name);
}
// The embedder hasn't pushed this value to us, so we pull it as needed.
*space_available = Platform::Current()->DatabaseGetSpaceAvailableForOrigin(
WebSecurityOrigin(origin));
}
void QuotaTracker::UpdateDatabaseSize(const SecurityOrigin* origin,
const String& database_name,
unsigned long long database_size) {
MutexLocker lock_data(data_guard_);
HashMap<String, SizeMap>::ValueType* it =
database_sizes_.insert(origin->ToRawString(), SizeMap()).stored_value;
it->value.Set(database_name, database_size);
}
} // namespace blink