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   ~PicasaFileUtil() override;
  32
  33  protected:
  34   // NativeMediaFileUtil overrides.
  35   void GetFileInfoOnTaskRunnerThread(
  36       scoped_ptr<storage::FileSystemOperationContext> context,
  37       const storage::FileSystemURL& url,
  38       const GetFileInfoCallback& callback) override;
  39   void ReadDirectoryOnTaskRunnerThread(
  40       scoped_ptr<storage::FileSystemOperationContext> context,
  41       const storage::FileSystemURL& url,
  42       const ReadDirectoryCallback& callback) override;
  43   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   base::File::Error ReadDirectorySync(
  49       storage::FileSystemOperationContext* context,
  50       const storage::FileSystemURL& url,
  51       EntryList* file_list) override;
  52   base::File::Error DeleteDirectorySync(
  53       storage::FileSystemOperationContext* context,
  54       const storage::FileSystemURL& url) override;
  55   base::File::Error DeleteFileSync(storage::FileSystemOperationContext* context,
  56                                    const storage::FileSystemURL& url) override;
  57   base::File::Error GetLocalFilePath(
  58       storage::FileSystemOperationContext* context,
  59       const storage::FileSystemURL& url,
  60       base::FilePath* local_file_path) override;
  61
  62  private:
  63   void GetFileInfoWithFreshDataProvider(
  64       scoped_ptr<storage::FileSystemOperationContext> context,
  65       const storage::FileSystemURL& url,
  66       const GetFileInfoCallback& callback,
  67       bool success);
  68   void ReadDirectoryWithFreshDataProvider(
  69       scoped_ptr<storage::FileSystemOperationContext> context,
  70       const storage::FileSystemURL& url,
  71       const ReadDirectoryCallback& callback,
  72       bool success);
  73
  74   virtual PicasaDataProvider* GetDataProvider();
  75
  76   base::WeakPtrFactory<PicasaFileUtil> weak_factory_;
  77
  78   DISALLOW_COPY_AND_ASSIGN(PicasaFileUtil);
  79 };
  80
  81 }  // namespace picasa
  82
  83 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_PICASA_FILE_UTIL_H_