Replacing Indexed DB Chromium IPC with 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 "platform/heap/Handle.h"
-#include "public/platform/modules/indexeddb/WebIDBDatabase.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 #include <memory>
 
 namespace blink {
 
 class DOMException;
 class ExceptionState;
 class ExecutionContext;
+class IDBDatabaseProxy;
 
 class MODULES_EXPORT IDBDatabase final
     : public EventTargetWithInlineData
     , public ActiveScriptWrappable
     , public ActiveDOMObject {
     USING_GARBAGE_COLLECTED_MIXIN(IDBDatabase);
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static IDBDatabase* create(ExecutionContext*, std::unique_ptr<WebIDBDatabase>, IDBDatabaseCallbacks*);
+    static IDBDatabase* create(ExecutionContext*, std::unique_ptr<IDBDatabaseProxy>);
     ~IDBDatabase() override;
     DECLARE_VIRTUAL_TRACE();
 
     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);
 
     // ActiveScriptWrappable
     bool hasPendingActivity() const final;
 
     // ActiveDOMObject
     void stop() override;
 
     // EventTarget
     const AtomicString& interfaceName() const override;
     ExecutionContext* getExecutionContext() const override;
 
     bool isClosePending() const { return m_closePending; }
     void forceClose();
     const IDBDatabaseMetadata& metadata() const { return m_metadata; }
     void enqueueEvent(Event*);
 
     int64_t findObjectStoreId(const String& name) const;
     bool containsObjectStore(const String& name) const
     {
         return findObjectStoreId(name) != IDBObjectStoreMetadata::InvalidId;
     }
 
     // Will return nullptr if this database is stopped.
-    WebIDBDatabase* backend() const { return m_backend.get(); }
+    IDBDatabaseProxy* backend() const { return m_backend.get(); }
 
     static int64_t nextTransactionId();
 
     static const char indexDeletedErrorMessage[];
     static const char isKeyCursorErrorMessage[];
     static const char noKeyOrKeyRangeErrorMessage[];
     static const char noSuchIndexErrorMessage[];
     static const char noSuchObjectStoreErrorMessage[];
     static const char noValueErrorMessage[];
     static const char notValidKeyErrorMessage[];
     static const char notVersionChangeTransactionErrorMessage[];
     static const char objectStoreDeletedErrorMessage[];
     static const char requestNotFinishedErrorMessage[];
     static const char sourceDeletedErrorMessage[];
     static const char transactionFinishedErrorMessage[];
     static const char transactionInactiveErrorMessage[];
     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<IDBDatabaseProxy>);
 
     IDBObjectStore* createObjectStore(const String& name, const IDBKeyPath&, bool autoIncrement, ExceptionState&);
     void closeConnection();
 
     IDBDatabaseMetadata m_metadata;
-    std::unique_ptr<WebIDBDatabase> m_backend;
+    std::unique_ptr<IDBDatabaseProxy> 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;
 };
 
 } // namespace blink
 
 #endif // IDBDatabase_h