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   // Should be called on the UI thread only.
  41   std::string RegisterPicasaFilesystemOnUIThread(
  42       const base::FilePath& database_path);
  43
  44   std::string RegisterITunesFilesystemOnUIThread(
  45       const base::FilePath& xml_library_path);
  46
  47   std::string RegisterIPhotoFilesystemOnUIThread(
  48       const base::FilePath& xml_library_path);
  49
  50   bool RevokeImportedFilesystemOnUIThread(const std::string& fsid);
  51
  52   // Should be called on the MediaTaskRunner thread only.
  53 #if defined(OS_WIN) || defined(OS_MACOSX)
  54   static picasa::PicasaDataProvider* PicasaDataProvider();
  55   static itunes::ITunesDataProvider* ITunesDataProvider();
  56 #endif  // defined(OS_WIN) || defined(OS_MACOSX)
  57
  58 #if defined(OS_MACOSX)
  59   static iphoto::IPhotoDataProvider* IPhotoDataProvider();
  60 #endif  // defined(OS_MACOSX)
  61
  62  private:
  63   friend struct base::DefaultLazyInstanceTraits<ImportedMediaGalleryRegistry>;
  64   friend class iphoto::IPhotoDataProviderTest;
  65   friend class itunes::ITunesDataProviderTest;
  66   friend class picasa::PicasaDataProviderTest;
  67
  68   ImportedMediaGalleryRegistry();
  69   virtual ~ImportedMediaGalleryRegistry();
  70
  71 #if defined(OS_WIN) || defined(OS_MACOSX)
  72   void RegisterPicasaFileSystem(const base::FilePath& database_path);
  73   void RevokePicasaFileSystem();
  74
  75   void RegisterITunesFileSystem(const base::FilePath& xml_library_path);
  76   void RevokeITunesFileSystem();
  77 #endif  // defined(OS_WIN) || defined(OS_MACOSX)
  78
  79 #if defined(OS_MACOSX)
  80   void RegisterIPhotoFileSystem(const base::FilePath& xml_library_path);
  81   void RevokeIPhotoFileSystem();
  82 #endif  // defined(OS_MACOSX)
  83
  84 #if defined(OS_WIN) || defined(OS_MACOSX)
  85   // The data providers are only set or accessed on the task runner thread.
  86   scoped_ptr<picasa::PicasaDataProvider> picasa_data_provider_;
  87   scoped_ptr<itunes::ITunesDataProvider> itunes_data_provider_;
  88
  89   // The remaining members are only accessed on the IO thread.
  90   std::set<std::string> picasa_fsids_;
  91   std::set<std::string> itunes_fsids_;
  92
  93 #ifndef NDEBUG
  94   base::FilePath picasa_database_path_;
  95   base::FilePath itunes_xml_library_path_;
  96 #endif
  97 #endif  // defined(OS_WIN) || defined(OS_MACOSX)
  98
  99 #if defined(OS_MACOSX)
 100   scoped_ptr<iphoto::IPhotoDataProvider> iphoto_data_provider_;
 101
 102   std::set<std::string> iphoto_fsids_;
 103
 104 #ifndef NDEBUG
 105   base::FilePath iphoto_xml_library_path_;
 106 #endif
 107 #endif  // defined(OS_MACOSX)
 108
 109   DISALLOW_COPY_AND_ASSIGN(ImportedMediaGalleryRegistry);
 110 };
 111
 112 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_IMPORTED_MEDIA_GALLERY_REGISTRY_H_