Split IndexedDBFactory into virtual base + impl.

content/browser/indexed_db/indexed_db_factory_impl.h

-// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Copyright (c) 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FACTORY_H_
-#define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FACTORY_H_
+#ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FACTORY_IMPL_H_
+#define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FACTORY_IMPL_H_
 
-#include <map>
-#include <set>
-#include <string>
-#include <utility>
-
-#include "base/basictypes.h"
-#include "base/files/file_path.h"
-#include "base/memory/ref_counted.h"
-#include "base/strings/string16.h"
-#include "content/browser/indexed_db/indexed_db_callbacks.h"
-#include "content/browser/indexed_db/indexed_db_database.h"
-#include "content/browser/indexed_db/indexed_db_database_callbacks.h"
-#include "content/common/content_export.h"
-#include "url/gurl.h"
-
-namespace net {
-class URLRequestContext;
-}
+#include "content/browser/indexed_db/indexed_db_factory.h"
 
 namespace content {
 
-class IndexedDBBackingStore;
 class IndexedDBContextImpl;
-struct IndexedDBPendingConnection;
 
-class CONTENT_EXPORT IndexedDBFactory
-    : NON_EXPORTED_BASE(public base::RefCountedThreadSafe<IndexedDBFactory>) {
+class CONTENT_EXPORT IndexedDBFactoryImpl : public IndexedDBFactory {
  public:
-  typedef std::multimap<GURL, IndexedDBDatabase*> OriginDBMap;
-  typedef OriginDBMap::const_iterator OriginDBMapIterator;
+  explicit IndexedDBFactoryImpl(IndexedDBContextImpl* context);
 
-  explicit IndexedDBFactory(IndexedDBContextImpl* context);
+  // content::IndexedDBFactory overrides:
+  virtual void ReleaseDatabase(const IndexedDBDatabase::Identifier& identifier,
+                               bool forcedClose) OVERRIDE;
 
-  void ReleaseDatabase(const IndexedDBDatabase::Identifier& identifier,
-                       bool forcedClose);
+  virtual void GetDatabaseNames(
+      scoped_refptr<IndexedDBCallbacks> callbacks,
+      const GURL& origin_url,
+      const base::FilePath& data_directory,
+      net::URLRequestContext* request_context) OVERRIDE;
+  virtual void Open(const base::string16& name,
+                    const IndexedDBPendingConnection& connection,
+                    net::URLRequestContext* request_context,
+                    const GURL& origin_url,
+                    const base::FilePath& data_directory) OVERRIDE;
 
-  void GetDatabaseNames(scoped_refptr<IndexedDBCallbacks> callbacks,
-                        const GURL& origin_url,
-                        const base::FilePath& data_directory,
-                        net::URLRequestContext* request_context);
-  void Open(const base::string16& name,
-            const IndexedDBPendingConnection& connection,
-            net::URLRequestContext* request_context,
-            const GURL& origin_url,
-            const base::FilePath& data_directory);
+  virtual void DeleteDatabase(const base::string16& name,
+                              net::URLRequestContext* request_context,
+                              scoped_refptr<IndexedDBCallbacks> callbacks,
+                              const GURL& origin_url,
+                              const base::FilePath& data_directory) OVERRIDE;
 
-  void DeleteDatabase(const base::string16& name,
-                      net::URLRequestContext* request_context,
-                      scoped_refptr<IndexedDBCallbacks> callbacks,
-                      const GURL& origin_url,
-                      const base::FilePath& data_directory);
+  virtual void HandleBackingStoreFailure(const GURL& origin_url) OVERRIDE;
+  virtual void HandleBackingStoreCorruption(
+      const GURL& origin_url,
+      const IndexedDBDatabaseError& error) OVERRIDE;
 
-  void HandleBackingStoreFailure(const GURL& origin_url);
-  void HandleBackingStoreCorruption(const GURL& origin_url,
-                                    const IndexedDBDatabaseError& error);
+  virtual std::pair<OriginDBMapIterator, OriginDBMapIterator>
+      GetOpenDatabasesForOrigin(const GURL& origin_url) const OVERRIDE;
 
-  std::pair<OriginDBMapIterator, OriginDBMapIterator> GetOpenDatabasesForOrigin(
-      const GURL& origin_url) const;
-
-  void ForceClose(const GURL& origin_url);
+  virtual void ForceClose(const GURL& origin_url) OVERRIDE;
 
   // Called by the IndexedDBContext destructor so the factory can do cleanup.
-  void ContextDestroyed();
+  virtual void ContextDestroyed() OVERRIDE;
 
   // Called by the IndexedDBActiveBlobRegistry.
   virtual void ReportOutstandingBlobs(const GURL& origin_url,
-                                      bool blobs_outstanding);
+                                      bool blobs_outstanding) OVERRIDE;
 
   // Called by an IndexedDBDatabase when it is actually deleted.
-  void DatabaseDeleted(const IndexedDBDatabase::Identifier& identifier);
+  virtual void DatabaseDeleted(
+      const IndexedDBDatabase::Identifier& identifier) OVERRIDE;
 
-  size_t GetConnectionCount(const GURL& origin_url) const;
+  virtual size_t GetConnectionCount(const GURL& origin_url) const OVERRIDE;
 
  protected:
-  friend class base::RefCountedThreadSafe<IndexedDBFactory>;
-
-  virtual ~IndexedDBFactory();
+  virtual ~IndexedDBFactoryImpl();
 
   virtual scoped_refptr<IndexedDBBackingStore> OpenBackingStore(
       const GURL& origin_url,
       const base::FilePath& data_directory,
       net::URLRequestContext* request_context,
       blink::WebIDBDataLoss* data_loss,
       std::string* data_loss_reason,
       bool* disk_full,
-      leveldb::Status* status);
+      leveldb::Status* s) OVERRIDE;
 
   virtual scoped_refptr<IndexedDBBackingStore> OpenBackingStoreHelper(
       const GURL& origin_url,
       const base::FilePath& data_directory,
       net::URLRequestContext* request_context,
       blink::WebIDBDataLoss* data_loss,
       std::string* data_loss_message,
       bool* disk_full,
       bool first_time,
-      leveldb::Status* status);
+      leveldb::Status* s) OVERRIDE;
 
   void ReleaseBackingStore(const GURL& origin_url, bool immediate);
   void CloseBackingStore(const GURL& origin_url);
   IndexedDBContextImpl* context() const { return context_; }
 
  private:
   FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest,
                            BackingStoreReleasedOnForcedClose);
   FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest,
                            BackingStoreReleaseDelayedOnClose);
   FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest, DatabaseFailedOpen);
   FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest,
                            DeleteDatabaseClosesBackingStore);
   FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest,
                            ForceCloseReleasesBackingStore);
   FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest,
                            GetDatabaseNamesClosesBackingStore);
   FRIEND_TEST_ALL_PREFIXES(IndexedDBTest,
                            ForceCloseOpenDatabasesOnCommitFailure);
 
   // Called internally after a database is closed, with some delay. If this
   // factory has the last reference, it will be released.
   void MaybeCloseBackingStore(const GURL& origin_url);
   bool HasLastBackingStoreReference(const GURL& origin_url) const;
 
   // Testing helpers, so unit tests don't need to grovel through internal state.
-  bool IsDatabaseOpen(const GURL& origin_url,
-                      const base::string16& name) const;
+  bool IsDatabaseOpen(const GURL& origin_url, const base::string16& name) const;
   bool IsBackingStoreOpen(const GURL& origin_url) const;
   bool IsBackingStorePendingClose(const GURL& origin_url) const;
   void RemoveDatabaseFromMaps(const IndexedDBDatabase::Identifier& identifier);
 
   IndexedDBContextImpl* context_;
 
-  typedef std::map<IndexedDBDatabase::Identifier,
-                   IndexedDBDatabase*> IndexedDBDatabaseMap;
+  typedef std::map<IndexedDBDatabase::Identifier, IndexedDBDatabase*>
+      IndexedDBDatabaseMap;
   IndexedDBDatabaseMap database_map_;
   OriginDBMap origin_dbs_;
 
   typedef std::map<GURL, scoped_refptr<IndexedDBBackingStore> >
       IndexedDBBackingStoreMap;
   IndexedDBBackingStoreMap backing_store_map_;
 
   std::set<scoped_refptr<IndexedDBBackingStore> > session_only_backing_stores_;
   IndexedDBBackingStoreMap backing_stores_with_active_blobs_;
   std::set<GURL> backends_opened_since_boot_;
 
-  DISALLOW_COPY_AND_ASSIGN(IndexedDBFactory);
+  DISALLOW_COPY_AND_ASSIGN(IndexedDBFactoryImpl);
 };
 
 }  // namespace content
 
-#endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FACTORY_H_
+#endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FACTORY_IMPL_H_