More Quota WebSQLDatabase integration.

webkit/database/database_connections.h

 // Copyright (c) 2011 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 WEBKIT_DATABASE_DATABASE_CONNECTIONS_H_
 #define WEBKIT_DATABASE_DATABASE_CONNECTIONS_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 18 matching lines @@
   bool IsOriginUsed(const string16& origin_identifier) const;
   void AddConnection(const string16& origin_identifier,
                      const string16& database_name);
   void RemoveConnection(const string16& origin_identifier,
                         const string16& database_name);
   void RemoveAllConnections();
   void RemoveConnections(
       const DatabaseConnections& connections,
       std::vector<std::pair<string16, string16> >* closed_dbs);
 
+  // Database sizes can be kept only if IsDatabaseOpened returns true.
+  int64 GetOpenDatabaseSize(const string16& origin_identifier,
+                            const string16& database_name) const;
+  void SetOpenDatabaseSize(const string16& origin_identifier,
+                           const string16& database_name,
+                           int64 size);
+
+  // Returns a list of the connections, <origin_id, name>.
+  void ListConnections(
+      std::vector<std::pair<string16, string16> > *list) const;
+
  private:
-  typedef std::map<string16, int> DBConnections;
+  // Mapping from name to <openCount, size>
+  typedef std::map<string16, std::pair<int, int64> > DBConnections;
   typedef std::map<string16, DBConnections> OriginConnections;
-  OriginConnections connections_;
+  mutable OriginConnections connections_;  // mutable for GetOpenDatabaseSize
 
   void RemoveConnectionsHelper(const string16& origin_identifier,
                                const string16& database_name,
                                int num_connections);
 };
 
 // A wrapper class that provides thread-safety and the
 // ability to wait until all connections have closed.
 // Intended for use in renderer processes.
 class DatabaseConnectionsWrapper
@@ skipping 17 matching lines @@
 
   bool waiting_for_dbs_to_close_;
   base::Lock open_connections_lock_;
   DatabaseConnections open_connections_;
   scoped_refptr<base::MessageLoopProxy> main_thread_;
 };
 
 }  // namespace webkit_database
 
 #endif  // WEBKIT_DATABASE_DATABASE_CONNECTIONS_H_