components/enhanced_bookmarks/persistent_image_store.h

   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_