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      1 // Copyright 2014 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 COMPONENTS_ENHANCED_BOOKMARKS_PERSISTENT_IMAGE_STORE_H_
      6 #define COMPONENTS_ENHANCED_BOOKMARKS_PERSISTENT_IMAGE_STORE_H_
      7 
      8 #include "components/enhanced_bookmarks/image_store.h"
      9 
     10 #include "base/files/file_path.h"
     11 #include "sql/connection.h"
     12 #include "sql/init_status.h"
     13 
     14 // The PersistentImageStore is an implementation of ImageStore that persists its
     15 // data on disk.
     16 class PersistentImageStore : public ImageStore {
     17  public:
     18   // Creates a PersistentImageStore in the directory at the given path.
     19   explicit PersistentImageStore(const base::FilePath& path);
     20   virtual bool HasKey(const GURL& page_url) OVERRIDE;
     21   virtual void Insert(const GURL& page_url,
     22                       const GURL& image_url,
     23                       const gfx::Image& image) OVERRIDE;
     24   virtual void Erase(const GURL& page_url) OVERRIDE;
     25   virtual std::pair<gfx::Image, GURL> Get(const GURL& page_url) OVERRIDE;
     26   virtual gfx::Size GetSize(const GURL& page_url) OVERRIDE;
     27   virtual void GetAllPageUrls(std::set<GURL>* urls) OVERRIDE;
     28   virtual void ClearAll() OVERRIDE;
     29   virtual int64 GetStoreSizeInBytes() OVERRIDE;
     30 
     31  protected:
     32   virtual ~PersistentImageStore();
     33 
     34  private:
     35   sql::InitStatus OpenDatabase();
     36 
     37   const base::FilePath path_;
     38   sql::Connection db_;
     39 
     40   DISALLOW_COPY_AND_ASSIGN(PersistentImageStore);
     41 };
     42 
     43 #endif  // COMPONENTS_ENHANCED_BOOKMARKS_PERSISTENT_IMAGE_STORE_H_
     44