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      1 // Copyright (c) 2012 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 CHROME_BROWSER_HISTORY_ANDROID_BOOKMARK_MODEL_SQL_HANDLER_H_
      6 #define CHROME_BROWSER_HISTORY_ANDROID_BOOKMARK_MODEL_SQL_HANDLER_H_
      7 
      8 #include "chrome/browser/history/android/sql_handler.h"
      9 
     10 class BookmarkModel;
     11 class Profile;
     12 
     13 namespace history {
     14 
     15 class HistoryDatabase;
     16 
     17 // The SQL handler for bookmarking_mapping table.
     18 class BookmarkModelSQLHandler : public SQLHandler {
     19  public:
     20   explicit BookmarkModelSQLHandler(URLDatabase* url_database);
     21 
     22   virtual ~BookmarkModelSQLHandler();
     23 
     24   // SQLHandler overrides:
     25   virtual bool Update(const HistoryAndBookmarkRow& row,
     26                       const TableIDRows& ids_set) OVERRIDE;
     27   virtual bool Delete(const TableIDRows& ids_set) OVERRIDE;
     28   virtual bool Insert(HistoryAndBookmarkRow* row) OVERRIDE;
     29 
     30  private:
     31   // This class helps to modify the bookmark model in UI thread.
     32   // The instance of this class is created in history thread and posted to
     33   // UI thread to access the bookmark. All method must be run in UI thread.
     34   class Task : public base::RefCountedThreadSafe<Task> {
     35    public:
     36     // |profile| is the profile whose BookmarkModel will be modified.
     37     //
     38     // As this class is instantiated in history thread, the |profile| will be
     39     // checked to see if it is still valid in ProfileManger before it used to
     40     // get bookmark model in UI thread; So we can make sure the bookmark model
     41     // we working on is still valid at the time it is used.
     42     Task();
     43 
     44     // Add the a bookmark with the given |url| to mobile folder.
     45     void AddBookmarkToMobileFolder(const GURL& url,
     46                                    const base::string16& title);
     47 
     48     // Adds a bookmark with the given |url|, |title| and |parent_id|.
     49     void AddBookmark(const GURL& url,
     50                      const base::string16& title,
     51                      int64 parent_id);
     52 
     53     // Removes the bookmark with the given |url|.
     54     void RemoveBookmark(const GURL& url);
     55 
     56     // Updates the given bookmark's title.
     57     void UpdateBookmarkTitle(const GURL& url,
     58                              const base::string16& title);
     59 
     60    private:
     61     friend class base::RefCountedThreadSafe<Task>;
     62     ~Task();
     63 
     64     // Returns profile_'s BookmarkModel if the profile_ is valid.
     65     BookmarkModel* GetBookmarkModel();
     66 
     67     DISALLOW_COPY_AND_ASSIGN(Task);
     68   };
     69 
     70   URLDatabase* url_database_;
     71 
     72   DISALLOW_COPY_AND_ASSIGN(BookmarkModelSQLHandler);
     73 };
     74 
     75 }  // namespace history.
     76 
     77 #endif  // CHROME_BROWSER_HISTORY_ANDROID_BOOKMARK_MODEL_SQL_HANDLER_H_
     78