Port IndexedDB open() and database callbacks to Mojo.

third_party/WebKit/Source/modules/indexeddb/IDBDatabase.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 12 matching lines @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "modules/indexeddb/IDBDatabase.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
 #include "bindings/core/v8/Nullable.h"
 #include "bindings/core/v8/SerializedScriptValue.h"
 #include "bindings/modules/v8/V8BindingForModules.h"
+#include "core/dom/DOMException.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/events/EventQueue.h"
 #include "modules/indexeddb/IDBAny.h"
 #include "modules/indexeddb/IDBEventDispatcher.h"
 #include "modules/indexeddb/IDBIndex.h"
 #include "modules/indexeddb/IDBKeyPath.h"
 #include "modules/indexeddb/IDBTracing.h"
 #include "modules/indexeddb/IDBVersionChangeEvent.h"
-#include "modules/indexeddb/WebIDBDatabaseCallbacksImpl.h"
 #include "platform/Histogram.h"
 #include "public/platform/modules/indexeddb/WebIDBKeyPath.h"
 #include "public/platform/modules/indexeddb/WebIDBTypes.h"
 #include "wtf/Atomics.h"
 #include <limits>
 #include <memory>
 
 using blink::WebIDBDatabase;
 
 namespace blink {
 
 const char IDBDatabase::indexDeletedErrorMessage[] = "The index or its object store has been deleted.";
 const char IDBDatabase::isKeyCursorErrorMessage[] = "The cursor is a key cursor.";
 const char IDBDatabase::noKeyOrKeyRangeErrorMessage[] = "No key or key range specified.";
 const char IDBDatabase::noSuchIndexErrorMessage[] = "The specified index was not found.";
 const char IDBDatabase::noSuchObjectStoreErrorMessage[] = "The specified object store was not found.";
 const char IDBDatabase::noValueErrorMessage[] = "The cursor is being iterated or has iterated past its end.";
 const char IDBDatabase::notValidKeyErrorMessage[] = "The parameter is not a valid key.";
 const char IDBDatabase::notVersionChangeTransactionErrorMessage[] = "The database is not running a version change transaction.";
 const char IDBDatabase::objectStoreDeletedErrorMessage[] = "The object store has been deleted.";
 const char IDBDatabase::requestNotFinishedErrorMessage[] = "The request has not finished.";
 const char IDBDatabase::sourceDeletedErrorMessage[] = "The cursor's source or effective object store has been deleted.";
 const char IDBDatabase::transactionInactiveErrorMessage[] = "The transaction is not active.";
 const char IDBDatabase::transactionFinishedErrorMessage[] = "The transaction has finished.";
 const char IDBDatabase::transactionReadOnlyErrorMessage[] = "The transaction is read-only.";
 const char IDBDatabase::databaseClosedErrorMessage[] = "The database connection is closed.";
 
-IDBDatabase* IDBDatabase::create(ExecutionContext* context, std::unique_ptr<WebIDBDatabase> database, IDBDatabaseCallbacks* callbacks)
+IDBDatabase* IDBDatabase::create(ExecutionContext* context, std::unique_ptr<WebIDBDatabase> database, indexed_db::mojom::blink::DatabaseClientAssociatedRequest clientRequest)
 {
-    IDBDatabase* idbDatabase = new IDBDatabase(context, std::move(database), callbacks);
+    IDBDatabase* idbDatabase = new IDBDatabase(context, std::move(database), std::move(clientRequest));
     idbDatabase->suspendIfNeeded();
     return idbDatabase;
 }
 
-IDBDatabase::IDBDatabase(ExecutionContext* context, std::unique_ptr<WebIDBDatabase> backend, IDBDatabaseCallbacks* callbacks)
+IDBDatabase::IDBDatabase(ExecutionContext* context, std::unique_ptr<WebIDBDatabase> backend, indexed_db::mojom::blink::DatabaseClientAssociatedRequest clientRequest)
     : ActiveScriptWrappable(this)
     , ActiveDOMObject(context)
     , m_backend(std::move(backend))
-    , m_databaseCallbacks(callbacks)
+    , m_clientBinding(this, std::move(clientRequest))
 {
-    m_databaseCallbacks->connect(this);
+    ThreadState::current()->registerPreFinalizer(this);
 }
 
 IDBDatabase::~IDBDatabase()
 {
     if (!m_closePending && m_backend)
         m_backend->close();
 }
 
 DEFINE_TRACE(IDBDatabase)
 {
     visitor->trace(m_versionChangeTransaction);
     visitor->trace(m_transactions);
     visitor->trace(m_enqueuedEvents);
-    visitor->trace(m_databaseCallbacks);
     EventTargetWithInlineData::trace(visitor);
     ActiveDOMObject::trace(visitor);
 }
 
+void IDBDatabase::dispose()
+{
+    m_clientBinding.Close();
+}
+
 int64_t IDBDatabase::nextTransactionId()
 {
     // Only keep a 32-bit counter to allow ports to use the other 32
     // bits of the id.
     static int currentTransactionId = 0;
     return atomicIncrement(&currentTransactionId);
 }
 
 void IDBDatabase::indexCreated(int64_t objectStoreId, const IDBIndexMetadata& metadata)
 {
@@ skipping 30 matching lines @@
 
     if (transaction->isVersionChange()) {
         ASSERT(m_versionChangeTransaction == transaction);
         m_versionChangeTransaction = nullptr;
     }
 
     if (m_closePending && m_transactions.isEmpty())
         closeConnection();
 }
 
-void IDBDatabase::onAbort(int64_t transactionId, DOMException* error)
+void IDBDatabase::OnTransactionAborted(int64_t transactionId, indexed_db::mojom::blink::ErrorInfoPtr error)
 {
     ASSERT(m_transactions.contains(transactionId));
-    m_transactions.get(transactionId)->onAbort(error);
+    m_transactions.get(transactionId)->onAbort(DOMException::create(error->code, error->message));
 }
 
-void IDBDatabase::onComplete(int64_t transactionId)
+void IDBDatabase::OnTransactionCompleted(int64_t transactionId)
 {
     ASSERT(m_transactions.contains(transactionId));
     m_transactions.get(transactionId)->onComplete();
 }
 
 DOMStringList* IDBDatabase::objectStoreNames() const
 {
     DOMStringList* objectStoreNames = DOMStringList::create(DOMStringList::IndexedDB);
     for (const auto& it : m_metadata.objectStores)
         objectStoreNames->append(it.value.name);
@@ skipping 141 matching lines @@
         objectStoreIds.append(objectStoreId);
     }
 
     WebIDBTransactionMode mode = IDBTransaction::stringToMode(modeString);
     if (mode != WebIDBTransactionModeReadOnly && mode != WebIDBTransactionModeReadWrite) {
         exceptionState.throwTypeError("The mode provided ('" + modeString + "') is not one of 'readonly' or 'readwrite'.");
         return nullptr;
     }
 
     int64_t transactionId = nextTransactionId();
-    m_backend->createTransaction(transactionId, WebIDBDatabaseCallbacksImpl::create(m_databaseCallbacks).release(), objectStoreIds, mode);
+    m_backend->createTransaction(transactionId, objectStoreIds, mode);
 
     return IDBTransaction::create(scriptState, transactionId, scope, mode, this);
 }
 
-void IDBDatabase::forceClose()
+void IDBDatabase::OnForcedClosed()
 {
     for (const auto& it : m_transactions)
         it.value->abort(IGNORE_EXCEPTION);
     this->close();
     enqueueEvent(Event::create(EventTypeNames::close));
 }
 
 void IDBDatabase::close()
 {
     IDB_TRACE("IDBDatabase::close");
@@ skipping 23 matching lines @@
     // Remove any pending versionchange events scheduled to fire on this
     // connection. They would have been scheduled by the backend when another
     // connection attempted an upgrade, but the frontend connection is being
     // closed before they could fire.
     for (size_t i = 0; i < m_enqueuedEvents.size(); ++i) {
         bool removed = eventQueue->cancelEvent(m_enqueuedEvents[i].get());
         ASSERT_UNUSED(removed, removed);
     }
 }
 
-void IDBDatabase::onVersionChange(int64_t oldVersion, int64_t newVersion)
+void IDBDatabase::OnVersionChange(int64_t oldVersion, int64_t newVersion)
 {
     IDB_TRACE("IDBDatabase::onVersionChange");
     if (m_contextStopped || !getExecutionContext())
         return;
 
     if (m_closePending) {
         // If we're pending, that means there's a busy transaction. We won't
         // fire 'versionchange' but since we're not closing immediately the
         // back-end should still send out 'blocked'.
         m_backend->versionChangeIgnored();
@@ skipping 72 matching lines @@
     return ActiveDOMObject::getExecutionContext();
 }
 
 void IDBDatabase::recordApiCallsHistogram(IndexedDatabaseMethods method)
 {
     DEFINE_THREAD_SAFE_STATIC_LOCAL(EnumerationHistogram, apiCallsHistogram, new EnumerationHistogram("WebCore.IndexedDB.FrontEndAPICalls", IDBMethodsMax));
     apiCallsHistogram.count(method);
 }
 
 } // namespace blink