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 "base/memory/weak_ptr.h"
  10 #include "content/browser/indexed_db/indexed_db_database.h"
  11 #include "content/browser/indexed_db/indexed_db_database_callbacks.h"
  12
  13 namespace content {
  14 class IndexedDBCallbacks;
  15 class IndexedDBDatabaseError;
  16
  17 class CONTENT_EXPORT IndexedDBConnection {
  18  public:
  19   IndexedDBConnection(scoped_refptr<IndexedDBDatabase> db,
  20                       scoped_refptr<IndexedDBDatabaseCallbacks> callbacks);
  21   virtual ~IndexedDBConnection();
  22
  23   // These methods are virtual to allow subclassing in unit tests.
  24   virtual void ForceClose();
  25   virtual void Close();
  26   virtual bool IsConnected();
  27
  28   void VersionChangeIgnored();
  29
  30   IndexedDBDatabase* database() const { return database_.get(); }
  31   IndexedDBDatabaseCallbacks* callbacks() const { return callbacks_.get(); }
  32
  33  private:
  34   // NULL in some unit tests, and after the connection is closed.
  35   scoped_refptr<IndexedDBDatabase> database_;
  36
  37   // The callbacks_ member is cleared when the connection is closed.
  38   // May be NULL in unit tests.
  39   scoped_refptr<IndexedDBDatabaseCallbacks> callbacks_;
  40
  41   base::WeakPtrFactory<IndexedDBConnection> weak_factory_;
  42
  43   DISALLOW_COPY_AND_ASSIGN(IndexedDBConnection);
  44 };
  45
  46 }  // namespace content
  47
  48 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CONNECTION_H_