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27 #include "StorageNamespaceImpl.h"
29 #if ENABLE(DOM_STORAGE)
31 #include "SecurityOriginHash.h"
32 #include "StorageAreaImpl.h"
33 #include "StorageMap.h"
34 #include "StorageSyncManager.h"
35 #include "StorageTracker.h"
36 #include <wtf/MainThread.h>
37 #include <wtf/StdLibExtras.h>
38 #include <wtf/text/StringHash.h>
42 typedef HashMap<String, StorageNamespace*> LocalStorageNamespaceMap;
44 static LocalStorageNamespaceMap& localStorageNamespaceMap()
46 DEFINE_STATIC_LOCAL(LocalStorageNamespaceMap, localStorageNamespaceMap, ());
47 return localStorageNamespaceMap;
50 PassRefPtr<StorageNamespace> StorageNamespaceImpl::localStorageNamespace(const String& path, unsigned quota)
52 const String lookupPath = path.isNull() ? String("") : path;
53 LocalStorageNamespaceMap::iterator it = localStorageNamespaceMap().find(lookupPath);
54 if (it == localStorageNamespaceMap().end()) {
55 RefPtr<StorageNamespace> storageNamespace = adoptRef(new StorageNamespaceImpl(LocalStorage, lookupPath, quota));
56 localStorageNamespaceMap().set(lookupPath, storageNamespace.get());
57 return storageNamespace.release();
63 PassRefPtr<StorageNamespace> StorageNamespaceImpl::sessionStorageNamespace(unsigned quota)
65 return adoptRef(new StorageNamespaceImpl(SessionStorage, String(), quota));
68 StorageNamespaceImpl::StorageNamespaceImpl(StorageType storageType, const String& path, unsigned quota)
69 : m_storageType(storageType)
70 , m_path(path.crossThreadString())
75 if (m_storageType == LocalStorage && !m_path.isEmpty())
76 m_syncManager = StorageSyncManager::create(m_path);
79 StorageNamespaceImpl::~StorageNamespaceImpl()
81 ASSERT(isMainThread());
83 if (m_storageType == LocalStorage) {
84 ASSERT(localStorageNamespaceMap().get(m_path) == this);
85 localStorageNamespaceMap().remove(m_path);
92 PassRefPtr<StorageNamespace> StorageNamespaceImpl::copy()
94 ASSERT(isMainThread());
95 ASSERT(!m_isShutdown);
96 ASSERT(m_storageType == SessionStorage);
98 RefPtr<StorageNamespaceImpl> newNamespace = adoptRef(new StorageNamespaceImpl(m_storageType, m_path, m_quota));
100 StorageAreaMap::iterator end = m_storageAreaMap.end();
101 for (StorageAreaMap::iterator i = m_storageAreaMap.begin(); i != end; ++i)
102 newNamespace->m_storageAreaMap.set(i->first, i->second->copy());
103 return newNamespace.release();
106 PassRefPtr<StorageArea> StorageNamespaceImpl::storageArea(PassRefPtr<SecurityOrigin> prpOrigin)
108 ASSERT(isMainThread());
109 ASSERT(!m_isShutdown);
111 RefPtr<SecurityOrigin> origin = prpOrigin;
112 RefPtr<StorageAreaImpl> storageArea;
113 if ((storageArea = m_storageAreaMap.get(origin)))
114 return storageArea.release();
116 storageArea = StorageAreaImpl::create(m_storageType, origin, m_syncManager, m_quota);
117 m_storageAreaMap.set(origin.release(), storageArea);
118 return storageArea.release();
121 void StorageNamespaceImpl::close()
123 ASSERT(isMainThread());
128 // If we're session storage, we shouldn't need to do any work here.
129 if (m_storageType == SessionStorage) {
130 ASSERT(!m_syncManager);
134 StorageAreaMap::iterator end = m_storageAreaMap.end();
135 for (StorageAreaMap::iterator it = m_storageAreaMap.begin(); it != end; ++it)
139 m_syncManager->close();
144 void StorageNamespaceImpl::unlock()
146 // Because there's a single event loop per-process, this is a no-op.
149 void StorageNamespaceImpl::clearOriginForDeletion(SecurityOrigin* origin)
151 ASSERT(isMainThread());
153 RefPtr<StorageAreaImpl> storageArea = m_storageAreaMap.get(origin);
155 storageArea->clearForOriginDeletion();
158 void StorageNamespaceImpl::clearAllOriginsForDeletion()
160 ASSERT(isMainThread());
162 StorageAreaMap::iterator end = m_storageAreaMap.end();
163 for (StorageAreaMap::iterator it = m_storageAreaMap.begin(); it != end; ++it)
164 it->second->clearForOriginDeletion();
167 void StorageNamespaceImpl::sync()
169 ASSERT(isMainThread());
170 StorageAreaMap::iterator end = m_storageAreaMap.end();
171 for (StorageAreaMap::iterator it = m_storageAreaMap.begin(); it != end; ++it)
175 } // namespace WebCore
177 #endif // ENABLE(DOM_STORAGE)