diff options
Diffstat (limited to 'webkit/api/src/WebCache.cpp')
| -rw-r--r-- | webkit/api/src/WebCache.cpp | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/webkit/api/src/WebCache.cpp b/webkit/api/src/WebCache.cpp index 7d8164e..9d03a4d 100644 --- a/webkit/api/src/WebCache.cpp +++ b/webkit/api/src/WebCache.cpp @@ -1,10 +1,10 @@ /* * Copyright (C) 2009 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 @@ -14,7 +14,7 @@ * * 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 @@ -63,6 +63,22 @@ void WebCache::setCapacities( static_cast<unsigned int>(capacity)); } +void WebCache::clear() +{ + Cache* cache = WebCore::cache(); + if (cache && !cache->disabled()) { + // NOTE: I think using setDisabled() instead of setCapacities() will + // remove from the cache items that won't actually be freed from memory + // (due to other live references to them), so it just results in wasting + // time later and not saving memory compared to the below technique. + unsigned minDeadCapacity = cache->m_minDeadCapacity; + unsigned maxDeadCapacity = cache->m_maxDeadCapacity; + unsigned capacity = cache->m_capacity; + cache->setCapacities(0, 0, 0); // Will prune the cache. + cache->setCapacities(minDeadCapacity, maxDeadCapacity, capacity); + } +} + void WebCache::getUsageStats(UsageStats* result) { ASSERT(result); |