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32 #include "modules/webdatabase/QuotaTracker.h"
34 #include "public/platform/Platform.h"
35 #include "wtf/StdLibExtras.h"
36 #include "wtf/Threading.h"
40 QuotaTracker& QuotaTracker::instance()
42 AtomicallyInitializedStatic(QuotaTracker&, tracker = *new QuotaTracker);
46 void QuotaTracker::getDatabaseSizeAndSpaceAvailableToOrigin(
47 const String& originIdentifier, const String& databaseName,
48 unsigned long long* databaseSize, unsigned long long* spaceAvailable)
50 // Extra scope to unlock prior to potentially calling Platform.
52 MutexLocker lockData(m_dataGuard);
53 ASSERT(m_databaseSizes.contains(originIdentifier));
54 HashMap<String, SizeMap>::const_iterator it = m_databaseSizes.find(originIdentifier);
55 ASSERT(it->value.contains(databaseName));
56 *databaseSize = it->value.get(databaseName);
58 if (m_spaceAvailableToOrigins.contains(originIdentifier)) {
59 *spaceAvailable = m_spaceAvailableToOrigins.get(originIdentifier);
64 // The embedder hasn't pushed this value to us, so we pull it as needed.
65 *spaceAvailable = Platform::current()->databaseGetSpaceAvailableForOrigin(originIdentifier);
68 void QuotaTracker::updateDatabaseSize(
69 const String& originIdentifier, const String& databaseName,
70 unsigned long long databaseSize)
72 MutexLocker lockData(m_dataGuard);
73 HashMap<String, SizeMap>::ValueType* it = m_databaseSizes.add(originIdentifier, SizeMap()).storedValue;
74 it->value.set(databaseName, databaseSize);
77 void QuotaTracker::updateSpaceAvailableToOrigin(const String& originIdentifier, unsigned long long spaceAvailable)
79 MutexLocker lockData(m_dataGuard);
80 m_spaceAvailableToOrigins.set(originIdentifier, spaceAvailable);
83 void QuotaTracker::resetSpaceAvailableToOrigin(const String& originIdentifier)
85 MutexLocker lockData(m_dataGuard);
86 m_spaceAvailableToOrigins.remove(originIdentifier);