Port IndexedDB open() and database callbacks to Mojo.

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

 /*
  * 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 16 matching lines @@
 #define IDBDatabase_h
 
 #include "bindings/core/v8/ActiveScriptWrappable.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/modules/v8/StringOrStringSequenceOrDOMStringList.h"
 #include "core/dom/ActiveDOMObject.h"
 #include "core/dom/DOMStringList.h"
 #include "modules/EventModules.h"
 #include "modules/EventTargetModules.h"
 #include "modules/ModulesExport.h"
-#include "modules/indexeddb/IDBDatabaseCallbacks.h"
 #include "modules/indexeddb/IDBHistograms.h"
 #include "modules/indexeddb/IDBMetadata.h"
 #include "modules/indexeddb/IDBObjectStore.h"
 #include "modules/indexeddb/IDBObjectStoreParameters.h"
 #include "modules/indexeddb/IDBTransaction.h"
 #include "modules/indexeddb/IndexedDB.h"
+#include "mojo/public/cpp/bindings/associated_binding.h"
 #include "platform/heap/Handle.h"
 #include "public/platform/modules/indexeddb/WebIDBDatabase.h"
+#include "public/platform/modules/indexeddb/indexed_db.mojom-blink.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 #include <memory>
 
 namespace blink {
 
 class DOMException;
 class ExceptionState;
 class ExecutionContext;
 
 class MODULES_EXPORT IDBDatabase final
     : public EventTargetWithInlineData
     , public ActiveScriptWrappable
-    , public ActiveDOMObject {
+    , public ActiveDOMObject
+    , public indexed_db::mojom::blink::DatabaseClient {
     USING_GARBAGE_COLLECTED_MIXIN(IDBDatabase);
     DEFINE_WRAPPERTYPEINFO();
+    USING_PRE_FINALIZER(IDBDatabase, dispose);
+
 public:
-    static IDBDatabase* create(ExecutionContext*, std::unique_ptr<WebIDBDatabase>, IDBDatabaseCallbacks*);
+    static IDBDatabase* create(ExecutionContext*, std::unique_ptr<WebIDBDatabase>, indexed_db::mojom::blink::DatabaseClientAssociatedRequest);
     ~IDBDatabase() override;
     DECLARE_VIRTUAL_TRACE();
 
+    void dispose();
+
     void setMetadata(const IDBDatabaseMetadata& metadata) { m_metadata = metadata; }
     void indexCreated(int64_t objectStoreId, const IDBIndexMetadata&);
     void indexDeleted(int64_t objectStoreId, int64_t indexId);
     void transactionCreated(IDBTransaction*);
     void transactionFinished(const IDBTransaction*);
     const String& getObjectStoreName(int64_t objectStoreId) const;
 
     // Implement the IDL
     const String& name() const { return m_metadata.name; }
     unsigned long long version() const { return m_metadata.version; }
     DOMStringList* objectStoreNames() const;
 
     IDBObjectStore* createObjectStore(const String& name, const IDBObjectStoreParameters& options, ExceptionState& exceptionState) { return createObjectStore(name, IDBKeyPath(options.keyPath()), options.autoIncrement(), exceptionState); }
     IDBTransaction* transaction(ScriptState*, const StringOrStringSequenceOrDOMStringList&, const String& mode, ExceptionState&);
     void deleteObjectStore(const String& name, ExceptionState&);
     void close();
 
     DEFINE_ATTRIBUTE_EVENT_LISTENER(abort);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(close);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(versionchange);
 
-    // IDBDatabaseCallbacks
-    void onVersionChange(int64_t oldVersion, int64_t newVersion);
-    void onAbort(int64_t, DOMException*);
-    void onComplete(int64_t);
+    // indexed_db::mojom::blink::DatabaseClient
+    void OnTransactionAborted(int64_t transactionId, indexed_db::mojom::blink::ErrorInfoPtr) override;
+    void OnTransactionCompleted(int64_t transactionId) override;
+    void OnForcedClosed() override;
+    void OnVersionChange(int64_t oldVersion, int64_t newVersion) override;
 
     // ScriptWrappable
     bool hasPendingActivity() const final;
 
     // ActiveDOMObject
     void stop() override;
 
     // EventTarget
     const AtomicString& interfaceName() const override;
     ExecutionContext* getExecutionContext() const override;
@@ skipping 30 matching lines @@
     static const char transactionReadOnlyErrorMessage[];
     static const char databaseClosedErrorMessage[];
 
     static void recordApiCallsHistogram(IndexedDatabaseMethods);
 
 protected:
     // EventTarget
     DispatchEventResult dispatchEventInternal(Event*) override;
 
 private:
-    IDBDatabase(ExecutionContext*, std::unique_ptr<WebIDBDatabase>, IDBDatabaseCallbacks*);
+    IDBDatabase(ExecutionContext*, std::unique_ptr<WebIDBDatabase>, indexed_db::mojom::blink::DatabaseClientAssociatedRequest);
 
     IDBObjectStore* createObjectStore(const String& name, const IDBKeyPath&, bool autoIncrement, ExceptionState&);
     void closeConnection();
 
     IDBDatabaseMetadata m_metadata;
     std::unique_ptr<WebIDBDatabase> m_backend;
     Member<IDBTransaction> m_versionChangeTransaction;
     HeapHashMap<int64_t, Member<IDBTransaction>> m_transactions;
 
     bool m_closePending = false;
     bool m_contextStopped = false;
 
     // Keep track of the versionchange events waiting to be fired on this
     // database so that we can cancel them if the database closes.
     HeapVector<Member<Event>> m_enqueuedEvents;
 
-    Member<IDBDatabaseCallbacks> m_databaseCallbacks;
+    mojo::AssociatedBinding<indexed_db::mojom::blink::DatabaseClient> m_clientBinding;
 };
 
 } // namespace blink
 
 #endif // IDBDatabase_h