1// Copyright 2013 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_MEDIA_GALLERIES_FILEAPI_IPHOTO_DATA_PROVIDER_H_
6#define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_IPHOTO_DATA_PROVIDER_H_
7
8#include <map>
9#include <set>
10#include <string>
11
12#include "base/basictypes.h"
13#include "base/callback_forward.h"
14#include "base/containers/hash_tables.h"
15#include "base/files/file_path.h"
16#include "base/files/file_path_watcher.h"
17#include "base/memory/weak_ptr.h"
18#include "chrome/browser/media_galleries/fileapi/iapps_data_provider.h"
19#include "chrome/browser/media_galleries/fileapi/safe_iapps_library_parser.h"
20#include "chrome/common/media_galleries/iphoto_library.h"
21
22namespace iphoto {
23
24// This class is the holder for iPhoto parsed data. Given a path to the iPhoto
25// library XML file it will read it in, parse the data, and provide convenient
26// methods to access it.  When the file changes, it will update the data.
27// It is not thread safe, but can be run on any thread with IO access.
28class IPhotoDataProvider : public iapps::IAppsDataProvider {
29 public:
30  explicit IPhotoDataProvider(const base::FilePath& library_path);
31  virtual ~IPhotoDataProvider();
32
33  // Parse the library xml file.
34  virtual void DoParseLibrary(const base::FilePath& library_path,
35                              const ReadyCallback& ready_callback) OVERRIDE;
36
37  virtual std::vector<std::string> GetAlbumNames() const;
38  virtual std::map<std::string, base::FilePath> GetAlbumContents(
39      const std::string& album) const;
40  virtual base::FilePath GetPhotoLocationInAlbum(
41      const std::string& album,
42      const std::string& filename) const;
43
44  virtual bool HasOriginals(const std::string& album) const;
45  virtual std::map<std::string, base::FilePath> GetOriginals(
46      const std::string& album) const;
47  virtual base::FilePath GetOriginalPhotoLocation(
48      const std::string& album,
49      const std::string& filename) const;
50
51 private:
52  typedef base::hash_map<std::string, base::FilePath> FileIndex;
53  // Map from album name to a map of filename to path.
54  typedef base::hash_map<std::string, FileIndex> DirIndex;
55
56  void OnLibraryParsed(const ReadyCallback& ready_callback,
57                       bool result,
58                       const parser::Library& library);
59
60  void BuildIndices(const parser::Library& library);
61
62  // Index for library data as it is presented in the virtual FS.
63  DirIndex dir_index_;
64
65  // Index for originals data.
66  DirIndex originals_index_;
67
68  scoped_refptr<iapps::SafeIAppsLibraryParser> xml_parser_;
69
70  base::WeakPtrFactory<IPhotoDataProvider> weak_factory_;
71
72  DISALLOW_COPY_AND_ASSIGN(IPhotoDataProvider);
73};
74
75}  // namespace iphoto
76
77#endif  // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_IPHOTO_DATA_PROVIDER_H_
78