content/browser/indexed_db/indexed_db_connection.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CONNECTION_H_
   6 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CONNECTION_H_
   7
   8 #include "base/memory/ref_counted.h"
   9 #include "content/browser/indexed_db/indexed_db_database.h"
  10 #include "content/browser/indexed_db/indexed_db_database_callbacks.h"
  11
  12 namespace content {
  13 class IndexedDBCallbacks;
  14 class IndexedDBDatabaseError;
  15
  16 class CONTENT_EXPORT IndexedDBConnection {
  17  public:
  18   IndexedDBConnection(scoped_refptr<IndexedDBDatabase> db,
  19                       scoped_refptr<IndexedDBDatabaseCallbacks> callbacks);
  20   virtual ~IndexedDBConnection();
  21
  22   // These methods are virtual to allow subclassing in unit tests.
  23   virtual void ForceClose();
  24   virtual void Close();
  25   virtual bool IsConnected();
  26
  27   void VersionChangeIgnored();
  28
  29   IndexedDBDatabase* database() const { return database_.get(); }
  30   IndexedDBDatabaseCallbacks* callbacks() const { return callbacks_.get(); }
  31
  32  private:
  33   // NULL in some unit tests, and after the connection is closed.
  34   scoped_refptr<IndexedDBDatabase> database_;
  35
  36   // The callbacks_ member is cleared when the connection is closed.
  37   // May be NULL in unit tests.
  38   scoped_refptr<IndexedDBDatabaseCallbacks> callbacks_;
  39
  40   DISALLOW_COPY_AND_ASSIGN(IndexedDBConnection);
  41 };
  42
  43 }  // namespace content
  44
  45 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CONNECTION_H_