1116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch// Copyright 2014 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 5116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch#ifndef COMPONENTS_HISTORY_CORE_BROWSER_IN_MEMORY_DATABASE_H_ 6116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch#define COMPONENTS_HISTORY_CORE_BROWSER_IN_MEMORY_DATABASE_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 9116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch#include "components/history/core/browser/url_database.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "sql/connection.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 122a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)namespace base { 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class FilePath; 142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)} 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace history { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Class used for a fast in-memory cache of typed URLs. Used for inline 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// autocomplete since it is fast enough to be called synchronously as the user 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// is typing. 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class InMemoryDatabase : public URLDatabase { 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) InMemoryDatabase(); 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~InMemoryDatabase(); 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Creates an empty in-memory database. 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool InitFromScratch(); 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Initializes the database by directly slurping the data from the given 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // file. Conceptually, the InMemoryHistoryBackend should do the populating 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // after this object does some common initialization, but that would be 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // much slower. 332a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) bool InitFromDisk(const base::FilePath& history_name); 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected: 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Implemented for URLDatabase. 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual sql::Connection& GetDB() OVERRIDE; 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Initializes the database connection, this is the shared code between 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // InitFromScratch() and InitFromDisk() above. Returns true on success. 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool InitDB(); 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) sql::Connection db_; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(InMemoryDatabase); 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace history 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 51116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch#endif // COMPONENTS_HISTORY_CORE_BROWSER_IN_MEMORY_DATABASE_H_ 52