#ifndef DatabaseTracker_h
#define DatabaseTracker_h
#if ENABLE(DATABASE)
#include "PlatformString.h"
#include "StringHash.h"
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#if !PLATFORM(CHROMIUM)
#include "DatabaseDetails.h"
#include "SQLiteDatabase.h"
#include <wtf/OwnPtr.h>
#endif // !PLATFORM(CHROMIUM)
namespace WebCore {
class Database;
class ScriptExecutionContext;
class SecurityOrigin;
struct SecurityOriginHash;
#if !PLATFORM(CHROMIUM)
class DatabaseTrackerClient;
struct SecurityOriginTraits;
#endif // !PLATFORM(CHROMIUM)
class DatabaseTracker : public Noncopyable {
public:
static void initializeTracker(const String& databasePath);
static DatabaseTracker& tracker();
bool canEstablishDatabase(ScriptExecutionContext*, const String& name, const String& displayName, unsigned long estimatedSize);
void setDatabaseDetails(SecurityOrigin*, const String& name, const String& displayName, unsigned long estimatedSize);
String fullPathForDatabase(SecurityOrigin*, const String& name, bool createIfDoesNotExist = true);
void addOpenDatabase(Database*);
void removeOpenDatabase(Database*);
void getOpenDatabases(SecurityOrigin* origin, const String& name, HashSet<RefPtr<Database> >* databases);
unsigned long long getMaxSizeForDatabase(const Database*);
void databaseChanged(Database*);
private:
DatabaseTracker(const String& databasePath);
typedef HashSet<Database*> DatabaseSet;
typedef HashMap<String, DatabaseSet*> DatabaseNameMap;
typedef HashMap<RefPtr<SecurityOrigin>, DatabaseNameMap*, SecurityOriginHash> DatabaseOriginMap;
Mutex m_openDatabaseMapGuard;
mutable OwnPtr<DatabaseOriginMap> m_openDatabaseMap;
#if !PLATFORM(CHROMIUM)
public:
void setDatabaseDirectoryPath(const String&);
String databaseDirectoryPath() const;
void origins(Vector<RefPtr<SecurityOrigin> >& result);
bool databaseNamesForOrigin(SecurityOrigin*, Vector<String>& result);
DatabaseDetails detailsForNameAndOrigin(const String&, SecurityOrigin*);
unsigned long long usageForDatabase(const String&, SecurityOrigin*);
unsigned long long usageForOrigin(SecurityOrigin*);
unsigned long long quotaForOrigin(SecurityOrigin*);
void setQuota(SecurityOrigin*, unsigned long long);
void deleteAllDatabases();
bool deleteOrigin(SecurityOrigin*);
bool deleteDatabase(SecurityOrigin*, const String& name);
void originsDidChange();
void removeDeletedOpenedDatabases();
static bool deleteDatabaseFileIfEmpty(const String&);
static Mutex& openDatabaseMutex();
static void emptyDatabaseFilesRemovalTaskWillBeScheduled();
static void emptyDatabaseFilesRemovalTaskDidFinish();
void setDatabasesPaused(bool);
void setClient(DatabaseTrackerClient*);
void scheduleNotifyDatabaseChanged(SecurityOrigin*, const String& name);
bool hasEntryForOrigin(SecurityOrigin*);
private:
bool hasEntryForOriginNoLock(SecurityOrigin* origin);
String fullPathForDatabaseNoLock(SecurityOrigin*, const String& name, bool createIfDoesNotExist);
bool databaseNamesForOriginNoLock(SecurityOrigin* origin, Vector<String>& resultVector);
unsigned long long usageForOriginNoLock(SecurityOrigin* origin);
unsigned long long quotaForOriginNoLock(SecurityOrigin* origin);
String trackerDatabasePath() const;
void openTrackerDatabase(bool createIfDoesNotExist);
String originPath(SecurityOrigin*) const;
bool hasEntryForDatabase(SecurityOrigin*, const String& databaseIdentifier);
bool addDatabase(SecurityOrigin*, const String& name, const String& path);
void populateOrigins();
bool deleteDatabaseFile(SecurityOrigin*, const String& name);
Mutex m_databaseGuard;
SQLiteDatabase m_database;
typedef HashMap<RefPtr<SecurityOrigin>, unsigned long long, SecurityOriginHash> QuotaMap;
mutable OwnPtr<QuotaMap> m_quotaMap;
String m_databaseDirectoryPath;
DatabaseTrackerClient* m_client;
typedef std::pair<RefPtr<SecurityOrigin>, DatabaseDetails> ProposedDatabase;
HashSet<ProposedDatabase*> m_proposedDatabases;
typedef HashMap<String, long> NameCountMap;
typedef HashMap<RefPtr<SecurityOrigin>, NameCountMap*, SecurityOriginHash> CreateSet;
CreateSet m_beingCreated;
typedef HashSet<String> NameSet;
HashMap<RefPtr<SecurityOrigin>, NameSet*, SecurityOriginHash> m_beingDeleted;
HashSet<RefPtr<SecurityOrigin>, SecurityOriginHash> m_originsBeingDeleted;
bool canCreateDatabase(SecurityOrigin *origin, const String& name);
void recordCreatingDatabase(SecurityOrigin *origin, const String& name);
void doneCreatingDatabase(SecurityOrigin *origin, const String& name);
bool creatingDatabase(SecurityOrigin *origin, const String& name);
bool canDeleteDatabase(SecurityOrigin *origin, const String& name);
void recordDeletingDatabase(SecurityOrigin *origin, const String& name);
void doneDeletingDatabase(SecurityOrigin *origin, const String& name);
bool deletingDatabase(SecurityOrigin *origin, const String& name);
bool canDeleteOrigin(SecurityOrigin *origin);
bool deletingOrigin(SecurityOrigin *origin);
void recordDeletingOrigin(SecurityOrigin *origin);
void doneDeletingOrigin(SecurityOrigin *origin);
static void scheduleForNotification();
static void notifyDatabasesChanged(void*);
#endif // !PLATFORM(CHROMIUM)
};
}
#endif // ENABLE(DATABASE)
#endif // DatabaseTracker_h