chrome/browser/media_galleries/imported_media_gallery_registry.h

   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_IMPORTED_MEDIA_GALLERY_REGISTRY_H_
   6 #define CHROME_BROWSER_MEDIA_GALLERIES_IMPORTED_MEDIA_GALLERY_REGISTRY_H_
   7
   8 #include <set>
   9 #include <string>
  10
  11 #include "base/basictypes.h"
  12 #include "base/files/file_path.h"
  13 #include "base/lazy_instance.h"
  14 #include "base/memory/scoped_ptr.h"
  15
  16 namespace iphoto {
  17 class IPhotoDataProvider;
  18 class IPhotoDataProviderTest;
  19 }
  20
  21 namespace itunes {
  22 class ITunesDataProvider;
  23 class ITunesDataProviderTest;
  24 }
  25
  26 namespace picasa {
  27 class PicasaDataProvider;
  28 class PicasaDataProviderTest;
  29 }
  30
  31 // This class lives on the MediaTaskRunner thread. It has some static
  32 // methods which are called on the UI thread.
  33 //
  34 // MediaTaskRunner is not guaranteed to be one thread, but it is guaranteed
  35 // to be a series of sequential calls. See SequencedTaskRunner for details.
  36 class ImportedMediaGalleryRegistry {
  37  public:
  38   static ImportedMediaGalleryRegistry* GetInstance();
  39
  40   void Initialize();
  41
  42   // Should be called on the UI thread only.
  43   bool RegisterPicasaFilesystemOnUIThread(const std::string& fs_name,
  44                                           const base::FilePath& database_path);
  45
  46   bool RegisterITunesFilesystemOnUIThread(
  47       const std::string& fs_name,
  48       const base::FilePath& xml_library_path);
  49
  50   bool RegisterIPhotoFilesystemOnUIThread(
  51       const std::string& fs_name,
  52       const base::FilePath& xml_library_path);
  53
  54   bool RevokeImportedFilesystemOnUIThread(const std::string& fs_name);
  55
  56   // Path where all virtual file systems are "mounted."
  57   base::FilePath ImportedRoot();
  58
  59   // Should be called on the MediaTaskRunner thread only.
  60 #if defined(OS_WIN) || defined(OS_MACOSX)
  61   static picasa::PicasaDataProvider* PicasaDataProvider();
  62   static itunes::ITunesDataProvider* ITunesDataProvider();
  63 #endif  // defined(OS_WIN) || defined(OS_MACOSX)
  64
  65 #if defined(OS_MACOSX)
  66   static iphoto::IPhotoDataProvider* IPhotoDataProvider();
  67 #endif  // defined(OS_MACOSX)
  68
  69  private:
  70   friend struct base::DefaultLazyInstanceTraits<ImportedMediaGalleryRegistry>;
  71   friend class iphoto::IPhotoDataProviderTest;
  72   friend class itunes::ITunesDataProviderTest;
  73   friend class picasa::PicasaDataProviderTest;
  74
  75   ImportedMediaGalleryRegistry();
  76   virtual ~ImportedMediaGalleryRegistry();
  77
  78 #if defined(OS_WIN) || defined(OS_MACOSX)
  79   void RegisterPicasaFileSystem(const base::FilePath& database_path);
  80   void RevokePicasaFileSystem();
  81
  82   void RegisterITunesFileSystem(const base::FilePath& xml_library_path);
  83   void RevokeITunesFileSystem();
  84 #endif  // defined(OS_WIN) || defined(OS_MACOSX)
  85
  86 #if defined(OS_MACOSX)
  87   void RegisterIPhotoFileSystem(const base::FilePath& xml_library_path);
  88   void RevokeIPhotoFileSystem();
  89 #endif  // defined(OS_MACOSX)
  90
  91   base::FilePath imported_root_;
  92
  93 #if defined(OS_WIN) || defined(OS_MACOSX)
  94   // The data providers are only set or accessed on the task runner thread.
  95   scoped_ptr<picasa::PicasaDataProvider> picasa_data_provider_;
  96   scoped_ptr<itunes::ITunesDataProvider> itunes_data_provider_;
  97
  98   // The remaining members are only accessed on the IO thread.
  99   std::set<std::string> picasa_fs_names_;
 100   std::set<std::string> itunes_fs_names_;
 101
 102 #ifndef NDEBUG
 103   base::FilePath picasa_database_path_;
 104   base::FilePath itunes_xml_library_path_;
 105 #endif
 106 #endif  // defined(OS_WIN) || defined(OS_MACOSX)
 107
 108 #if defined(OS_MACOSX)
 109   scoped_ptr<iphoto::IPhotoDataProvider> iphoto_data_provider_;
 110
 111   std::set<std::string> iphoto_fs_names_;
 112
 113 #ifndef NDEBUG
 114   base::FilePath iphoto_xml_library_path_;
 115 #endif
 116 #endif  // defined(OS_MACOSX)
 117
 118   DISALLOW_COPY_AND_ASSIGN(ImportedMediaGalleryRegistry);
 119 };
 120
 121 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_IMPORTED_MEDIA_GALLERY_REGISTRY_H_