#ifndef DatabaseManager_h
#define DatabaseManager_h
#include "DatabaseBasicTypes.h"
#include "DatabaseDetails.h"
#include "DatabaseError.h"
#include <mutex>
#include <wtf/Assertions.h>
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/PassRefPtr.h>
#include <wtf/Threading.h>
namespace WebCore {
class AbstractDatabaseServer;
class Database;
class DatabaseBackendBase;
class DatabaseCallback;
class DatabaseContext;
class DatabaseManagerClient;
class DatabaseSync;
class DatabaseTaskSynchronizer;
class SecurityOrigin;
class ScriptExecutionContext;
class DatabaseManager {
WTF_MAKE_NONCOPYABLE(DatabaseManager); WTF_MAKE_FAST_ALLOCATED;
friend class WTF::NeverDestroyed<DatabaseManager>;
public:
WEBCORE_EXPORT static DatabaseManager& singleton();
WEBCORE_EXPORT void initialize(const String& databasePath);
WEBCORE_EXPORT void setClient(DatabaseManagerClient*);
String databaseDirectoryPath() const;
void setDatabaseDirectoryPath(const String&);
bool isAvailable();
WEBCORE_EXPORT void setIsAvailable(bool);
RefPtr<DatabaseContext> databaseContextFor(ScriptExecutionContext*);
void registerDatabaseContext(DatabaseContext*);
void unregisterDatabaseContext(DatabaseContext*);
#if !ASSERT_DISABLED
void didConstructDatabaseContext();
void didDestructDatabaseContext();
#else
void didConstructDatabaseContext() { }
void didDestructDatabaseContext() { }
#endif
static ExceptionCode exceptionCodeForDatabaseError(DatabaseError);
RefPtr<Database> openDatabase(ScriptExecutionContext*, const String& name, const String& expectedVersion, const String& displayName, unsigned long estimatedSize, PassRefPtr<DatabaseCallback>, DatabaseError&);
WEBCORE_EXPORT bool hasOpenDatabases(ScriptExecutionContext*);
WEBCORE_EXPORT void closeAllDatabases();
void stopDatabases(ScriptExecutionContext*, DatabaseTaskSynchronizer*);
String fullPathForDatabase(SecurityOrigin*, const String& name, bool createIfDoesNotExist = true);
bool hasEntryForOrigin(SecurityOrigin*);
WEBCORE_EXPORT void origins(Vector<RefPtr<SecurityOrigin>>& result);
WEBCORE_EXPORT bool databaseNamesForOrigin(SecurityOrigin*, Vector<String>& result);
WEBCORE_EXPORT DatabaseDetails detailsForNameAndOrigin(const String&, SecurityOrigin*);
WEBCORE_EXPORT unsigned long long usageForOrigin(SecurityOrigin*);
WEBCORE_EXPORT unsigned long long quotaForOrigin(SecurityOrigin*);
WEBCORE_EXPORT void setQuota(SecurityOrigin*, unsigned long long);
WEBCORE_EXPORT void deleteAllDatabases();
WEBCORE_EXPORT bool deleteOrigin(SecurityOrigin*);
WEBCORE_EXPORT bool deleteDatabase(SecurityOrigin*, const String& name);
void interruptAllDatabasesForContext(ScriptExecutionContext*);
private:
class ProposedDatabase {
public:
ProposedDatabase(DatabaseManager&, SecurityOrigin*,
const String& name, const String& displayName, unsigned long estimatedSize);
~ProposedDatabase();
SecurityOrigin* origin() { return m_origin.get(); }
DatabaseDetails& details() { return m_details; }
private:
DatabaseManager& m_manager;
RefPtr<SecurityOrigin> m_origin;
DatabaseDetails m_details;
};
DatabaseManager();
~DatabaseManager() = delete;
RefPtr<DatabaseContext> existingDatabaseContextFor(ScriptExecutionContext*);
PassRefPtr<DatabaseBackendBase> openDatabaseBackend(ScriptExecutionContext*, const String& name, const String& expectedVersion, const String& displayName, unsigned long estimatedSize, bool setVersionInNewDatabase, DatabaseError&, String& errorMessage);
void addProposedDatabase(ProposedDatabase*);
void removeProposedDatabase(ProposedDatabase*);
static void logErrorMessage(ScriptExecutionContext*, const String& message);
AbstractDatabaseServer* m_server;
DatabaseManagerClient* m_client;
bool m_databaseIsAvailable;
typedef HashMap<ScriptExecutionContext*, DatabaseContext*> ContextMap;
ContextMap m_contextMap;
#if !ASSERT_DISABLED
int m_databaseContextRegisteredCount;
int m_databaseContextInstanceCount;
#endif
HashSet<ProposedDatabase*> m_proposedDatabases;
std::mutex m_mutex;
};
}
#endif // DatabaseManager_h