persistent_image_store.h revision 46d4c2bc3267f3f028f39e7e311b0f89aba2e4fd 
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.
16class 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