#include "config.h"
#include "IDBFactory.h"
#if ENABLE(INDEXED_DATABASE)
#include "Document.h"
#include "ExceptionCode.h"
#include "Frame.h"
#include "GroupSettings.h"
#include "HistogramSupport.h"
#include "IDBBindingUtilities.h"
#include "IDBDatabase.h"
#include "IDBDatabaseCallbacksImpl.h"
#include "IDBDatabaseException.h"
#include "IDBFactoryBackendInterface.h"
#include "IDBHistograms.h"
#include "IDBKey.h"
#include "IDBKeyRange.h"
#include "IDBOpenDBRequest.h"
#include "IDBTracing.h"
#include "Page.h"
#include "PageGroup.h"
#include "SecurityOrigin.h"
#include "WorkerContext.h"
#include "WorkerLoaderProxy.h"
#include "WorkerThread.h"
namespace WebCore {
IDBFactory::IDBFactory(IDBFactoryBackendInterface* factory)
: m_backend(factory)
{
relaxAdoptionRequirement();
}
IDBFactory::~IDBFactory()
{
}
namespace {
static bool isContextValid(ScriptExecutionContext* context)
{
ASSERT(context->isDocument() || context->isWorkerContext());
if (context->isDocument()) {
Document* document = toDocument(context);
return document->frame() && document->page();
}
#if !ENABLE(WORKERS)
if (context->isWorkerContext())
return false;
#endif
return true;
}
static String getIndexedDBDatabasePath(ScriptExecutionContext* context)
{
ASSERT(isContextValid(context));
if (context->isDocument()) {
Document* document = toDocument(context);
return document->page()->group().groupSettings()->indexedDBDatabasePath();
}
#if ENABLE(WORKERS)
WorkerContext* workerContext = static_cast<WorkerContext*>(context);
const GroupSettings* groupSettings = workerContext->groupSettings();
if (groupSettings)
return groupSettings->indexedDBDatabasePath();
#endif
return String();
}
}
PassRefPtr<IDBRequest> IDBFactory::getDatabaseNames(ScriptExecutionContext* context, ExceptionCode& ec)
{
IDB_TRACE("IDBFactory::getDatabaseNames");
if (!isContextValid(context))
return 0;
if (!context->securityOrigin()->canAccessDatabase(context->topOrigin())) {
ec = SECURITY_ERR;
return 0;
}
RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), 0);
m_backend->getDatabaseNames(request, context->securityOrigin(), context, getIndexedDBDatabasePath(context));
return request;
}
PassRefPtr<IDBOpenDBRequest> IDBFactory::open(ScriptExecutionContext* context, const String& name, unsigned long long version, ExceptionCode& ec)
{
IDB_TRACE("IDBFactory::open");
if (!version) {
ec = TypeError;
return 0;
}
return openInternal(context, name, version, ec);
}
PassRefPtr<IDBOpenDBRequest> IDBFactory::openInternal(ScriptExecutionContext* context, const String& name, int64_t version, ExceptionCode& ec)
{
HistogramSupport::histogramEnumeration("WebCore.IndexedDB.FrontEndAPICalls", IDBOpenCall, IDBMethodsMax);
ASSERT(version >= 1 || version == IDBDatabaseMetadata::NoIntVersion);
if (name.isNull()) {
ec = TypeError;
return 0;
}
if (!isContextValid(context))
return 0;
if (!context->securityOrigin()->canAccessDatabase(context->topOrigin())) {
ec = SECURITY_ERR;
return 0;
}
RefPtr<IDBDatabaseCallbacksImpl> databaseCallbacks = IDBDatabaseCallbacksImpl::create();
int64_t transactionId = IDBDatabase::nextTransactionId();
RefPtr<IDBOpenDBRequest> request = IDBOpenDBRequest::create(context, databaseCallbacks, transactionId, version);
m_backend->open(name, version, transactionId, request, databaseCallbacks, context->securityOrigin(), context, getIndexedDBDatabasePath(context));
return request;
}
PassRefPtr<IDBOpenDBRequest> IDBFactory::open(ScriptExecutionContext* context, const String& name, ExceptionCode& ec)
{
IDB_TRACE("IDBFactory::open");
return openInternal(context, name, IDBDatabaseMetadata::NoIntVersion, ec);
}
PassRefPtr<IDBOpenDBRequest> IDBFactory::deleteDatabase(ScriptExecutionContext* context, const String& name, ExceptionCode& ec)
{
IDB_TRACE("IDBFactory::deleteDatabase");
HistogramSupport::histogramEnumeration("WebCore.IndexedDB.FrontEndAPICalls", IDBDeleteDatabaseCall, IDBMethodsMax);
if (name.isNull()) {
ec = TypeError;
return 0;
}
if (!isContextValid(context))
return 0;
if (!context->securityOrigin()->canAccessDatabase(context->topOrigin())) {
ec = SECURITY_ERR;
return 0;
}
RefPtr<IDBOpenDBRequest> request = IDBOpenDBRequest::create(context, 0, 0, IDBDatabaseMetadata::DefaultIntVersion);
m_backend->deleteDatabase(name, request, context->securityOrigin(), context, getIndexedDBDatabasePath(context));
return request;
}
short IDBFactory::cmp(ScriptExecutionContext* context, const ScriptValue& firstValue, const ScriptValue& secondValue, ExceptionCode& ec)
{
DOMRequestState requestState(context);
RefPtr<IDBKey> first = scriptValueToIDBKey(&requestState, firstValue);
RefPtr<IDBKey> second = scriptValueToIDBKey(&requestState, secondValue);
ASSERT(first);
ASSERT(second);
if (!first->isValid() || !second->isValid()) {
ec = IDBDatabaseException::DataError;
return 0;
}
return static_cast<short>(first->compare(second.get()));
}
}
#endif // ENABLE(INDEXED_DATABASE)