src/chrome/browser/media_galleries/fileapi/picasa_file_util.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_FILEAPI_PICASA_FILE_UTIL_H_
   6 #define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_PICASA_FILE_UTIL_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/memory/weak_ptr.h"
  10 #include "chrome/browser/media_galleries/fileapi/native_media_file_util.h"
  11
  12 namespace picasa {
  13
  14 class PicasaDataProvider;
  15
  16 extern const char kPicasaDirAlbums[];
  17 extern const char kPicasaDirFolders[];
  18
  19 // PicasaFileUtil virtual directory structure example:
  20 //   - /albums/
  21 //   - /albums/albumname 2013-08-21/
  22 //   - /albums/albumname 2013-08-21/imagename.jpg
  23 //   - /albums/duplicatename 2013-08-21/
  24 //   - /albums/duplicatename 2013-08-21 (1)/
  25 //   - /folders/
  26 //   - /folders/My Pictures 2013-08-21/flower.jpg
  27 //   - /folders/Photos 2013-08-21/
  28 class PicasaFileUtil : public NativeMediaFileUtil {
  29  public:
  30   explicit PicasaFileUtil(MediaPathFilter* media_path_filter);
  31   virtual ~PicasaFileUtil();
  32
  33  protected:
  34   // NativeMediaFileUtil overrides.
  35   virtual void GetFileInfoOnTaskRunnerThread(
  36       scoped_ptr<storage::FileSystemOperationContext> context,
  37       const storage::FileSystemURL& url,
  38       const GetFileInfoCallback& callback) OVERRIDE;
  39   virtual void ReadDirectoryOnTaskRunnerThread(
  40       scoped_ptr<storage::FileSystemOperationContext> context,
  41       const storage::FileSystemURL& url,
  42       const ReadDirectoryCallback& callback) OVERRIDE;
  43   virtual base::File::Error GetFileInfoSync(
  44       storage::FileSystemOperationContext* context,
  45       const storage::FileSystemURL& url,
  46       base::File::Info* file_info,
  47       base::FilePath* platform_path) OVERRIDE;
  48   virtual base::File::Error ReadDirectorySync(
  49       storage::FileSystemOperationContext* context,
  50       const storage::FileSystemURL& url,
  51       EntryList* file_list) OVERRIDE;
  52   virtual base::File::Error DeleteDirectorySync(
  53       storage::FileSystemOperationContext* context,
  54       const storage::FileSystemURL& url) OVERRIDE;
  55   virtual base::File::Error DeleteFileSync(
  56       storage::FileSystemOperationContext* context,
  57       const storage::FileSystemURL& url) OVERRIDE;
  58   virtual base::File::Error GetLocalFilePath(
  59       storage::FileSystemOperationContext* context,
  60       const storage::FileSystemURL& url,
  61       base::FilePath* local_file_path) OVERRIDE;
  62
  63  private:
  64   void GetFileInfoWithFreshDataProvider(
  65       scoped_ptr<storage::FileSystemOperationContext> context,
  66       const storage::FileSystemURL& url,
  67       const GetFileInfoCallback& callback,
  68       bool success);
  69   void ReadDirectoryWithFreshDataProvider(
  70       scoped_ptr<storage::FileSystemOperationContext> context,
  71       const storage::FileSystemURL& url,
  72       const ReadDirectoryCallback& callback,
  73       bool success);
  74
  75   virtual PicasaDataProvider* GetDataProvider();
  76
  77   base::WeakPtrFactory<PicasaFileUtil> weak_factory_;
  78
  79   DISALLOW_COPY_AND_ASSIGN(PicasaFileUtil);
  80 };
  81
  82 }  // namespace picasa
  83
  84 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_PICASA_FILE_UTIL_H_