diff options
Diffstat (limited to 'WebCore/storage/IDBDatabaseBackendImpl.cpp')
-rw-r--r-- | WebCore/storage/IDBDatabaseBackendImpl.cpp | 65 |
1 files changed, 57 insertions, 8 deletions
diff --git a/WebCore/storage/IDBDatabaseBackendImpl.cpp b/WebCore/storage/IDBDatabaseBackendImpl.cpp index e550e18..23bc44e 100644 --- a/WebCore/storage/IDBDatabaseBackendImpl.cpp +++ b/WebCore/storage/IDBDatabaseBackendImpl.cpp @@ -29,8 +29,10 @@ #include "DOMStringList.h" #include "IDBDatabaseException.h" #include "IDBObjectStoreBackendImpl.h" +#include "IDBTransactionCoordinator.h" #include "SQLiteDatabase.h" #include "SQLiteStatement.h" +#include "SQLiteTransaction.h" #if ENABLE(INDEXED_DATABASE) @@ -83,10 +85,11 @@ static bool setMetaData(SQLiteDatabase* sqliteDatabase, const String& name, cons return true; } -IDBDatabaseBackendImpl::IDBDatabaseBackendImpl(const String& name, const String& description, PassOwnPtr<SQLiteDatabase> sqliteDatabase) +IDBDatabaseBackendImpl::IDBDatabaseBackendImpl(const String& name, const String& description, PassOwnPtr<SQLiteDatabase> sqliteDatabase, IDBTransactionCoordinator* coordinator) : m_sqliteDatabase(sqliteDatabase) , m_name(name) , m_version("") + , m_transactionCoordinator(coordinator) { ASSERT(!m_name.isNull()); @@ -97,6 +100,8 @@ IDBDatabaseBackendImpl::IDBDatabaseBackendImpl(const String& name, const String& if (!result || m_description != foundDescription) setMetaData(m_sqliteDatabase.get(), m_name, m_description, m_version); + + loadObjectStores(); } IDBDatabaseBackendImpl::~IDBDatabaseBackendImpl() @@ -127,9 +132,20 @@ void IDBDatabaseBackendImpl::createObjectStore(const String& name, const String& return; } - RefPtr<IDBObjectStoreBackendInterface> objectStore = IDBObjectStoreBackendImpl::create(name, keyPath, autoIncrement); + SQLiteStatement insert(sqliteDatabase(), "INSERT INTO ObjectStores (name, keyPath, doAutoIncrement) VALUES (?, ?, ?)"); + bool ok = insert.prepare() == SQLResultOk; + ASSERT_UNUSED(ok, ok); // FIXME: Better error handling. + insert.bindText(1, name); + insert.bindText(2, keyPath); + insert.bindInt(3, static_cast<int>(autoIncrement)); + ok = insert.step() == SQLResultDone; + ASSERT_UNUSED(ok, ok); // FIXME: Better error handling. + int64_t id = sqliteDatabase().lastInsertRowID(); + + RefPtr<IDBObjectStoreBackendImpl> objectStore = IDBObjectStoreBackendImpl::create(this, id, name, keyPath, autoIncrement); + ASSERT(objectStore->name() == name); m_objectStores.set(name, objectStore); - callbacks->onSuccess(objectStore.release()); + callbacks->onSuccess(objectStore.get()); } PassRefPtr<IDBObjectStoreBackendInterface> IDBDatabaseBackendImpl::objectStore(const String& name, unsigned short mode) @@ -139,22 +155,55 @@ PassRefPtr<IDBObjectStoreBackendInterface> IDBDatabaseBackendImpl::objectStore(c return m_objectStores.get(name); } +static void doDelete(SQLiteDatabase& db, const char* sql, int64_t id) +{ + SQLiteStatement deleteQuery(db, sql); + bool ok = deleteQuery.prepare() == SQLResultOk; + ASSERT_UNUSED(ok, ok); // FIXME: Better error handling. + deleteQuery.bindInt64(1, id); + ok = deleteQuery.step() == SQLResultDone; + ASSERT_UNUSED(ok, ok); // FIXME: Better error handling. +} + void IDBDatabaseBackendImpl::removeObjectStore(const String& name, PassRefPtr<IDBCallbacks> callbacks) { - if (!m_objectStores.contains(name)) { + RefPtr<IDBObjectStoreBackendImpl> objectStore = m_objectStores.get(name); + if (!objectStore) { callbacks->onError(IDBDatabaseError::create(IDBDatabaseException::NOT_FOUND_ERR, "No objectStore with that name exists.")); return; } + SQLiteTransaction transaction(sqliteDatabase()); + transaction.begin(); + doDelete(sqliteDatabase(), "DELETE FROM ObjectStores WHERE id = ?", objectStore->id()); + doDelete(sqliteDatabase(), "DELETE FROM ObjectStoreData WHERE objectStoreId = ?", objectStore->id()); + doDelete(sqliteDatabase(), "DELETE FROM Indexes WHERE objectStoreId = ?", objectStore->id()); + // FIXME: Delete index data as well. + transaction.commit(); + m_objectStores.remove(name); callbacks->onSuccess(); } -PassRefPtr<IDBTransactionBackendInterface> IDBDatabaseBackendImpl::transaction(DOMStringList*, unsigned short, unsigned long) +PassRefPtr<IDBTransactionBackendInterface> IDBDatabaseBackendImpl::transaction(DOMStringList* objectStores, unsigned short mode, unsigned long timeout) { - // FIXME: Ask the transaction manager for a new IDBTransactionBackendImpl. - ASSERT_NOT_REACHED(); - return 0; + return m_transactionCoordinator->createTransaction(objectStores, mode, timeout, this); +} + +void IDBDatabaseBackendImpl::loadObjectStores() +{ + SQLiteStatement objectStoresQuery(sqliteDatabase(), "SELECT id, name, keyPath, doAutoIncrement FROM ObjectStores"); + bool ok = objectStoresQuery.prepare() == SQLResultOk; + ASSERT_UNUSED(ok, ok); // FIXME: Better error handling? + + while (objectStoresQuery.step() == SQLResultRow) { + int64_t id = objectStoresQuery.getColumnInt64(0); + String name = objectStoresQuery.getColumnText(1); + String keyPath = objectStoresQuery.getColumnText(2); + bool autoIncrement = !!objectStoresQuery.getColumnInt(3); + + m_objectStores.set(name, IDBObjectStoreBackendImpl::create(this, id, name, keyPath, autoIncrement)); + } } } // namespace WebCore |