content/public/test/test_file_system_backend.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 CONTENT_PUBLIC_TEST_TEST_FILE_SYSTEM_BACKEND_H_
   6 #define CONTENT_PUBLIC_TEST_TEST_FILE_SYSTEM_BACKEND_H_
   7
   8 #include "base/files/file_path.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "webkit/browser/fileapi/async_file_util_adapter.h"
  12 #include "webkit/browser/fileapi/file_system_backend.h"
  13 #include "webkit/browser/fileapi/task_runner_bound_observer_list.h"
  14
  15 namespace base {
  16 class SequencedTaskRunner;
  17 }
  18
  19 namespace fileapi {
  20 class AsyncFileUtilAdapter;
  21 class FileSystemQuotaUtil;
  22 }
  23
  24 namespace content {
  25
  26 // This should be only used for testing.
  27 // This file system backend uses LocalFileUtil and stores data file
  28 // under the given directory.
  29 class TestFileSystemBackend : public fileapi::FileSystemBackend {
  30  public:
  31   TestFileSystemBackend(
  32       base::SequencedTaskRunner* task_runner,
  33       const base::FilePath& base_path);
  34   virtual ~TestFileSystemBackend();
  35
  36   // FileSystemBackend implementation.
  37   virtual bool CanHandleType(fileapi::FileSystemType type) const OVERRIDE;
  38   virtual void Initialize(fileapi::FileSystemContext* context) OVERRIDE;
  39   virtual void ResolveURL(const fileapi::FileSystemURL& url,
  40                           fileapi::OpenFileSystemMode mode,
  41                           const OpenFileSystemCallback& callback) OVERRIDE;
  42   virtual fileapi::AsyncFileUtil* GetAsyncFileUtil(
  43       fileapi::FileSystemType type) OVERRIDE;
  44   virtual fileapi::CopyOrMoveFileValidatorFactory*
  45       GetCopyOrMoveFileValidatorFactory(
  46       fileapi::FileSystemType type,
  47       base::File::Error* error_code) OVERRIDE;
  48   virtual fileapi::FileSystemOperation* CreateFileSystemOperation(
  49       const fileapi::FileSystemURL& url,
  50       fileapi::FileSystemContext* context,
  51       base::File::Error* error_code) const OVERRIDE;
  52   virtual bool SupportsStreaming(
  53       const fileapi::FileSystemURL& url) const OVERRIDE;
  54   virtual scoped_ptr<webkit_blob::FileStreamReader> CreateFileStreamReader(
  55       const fileapi::FileSystemURL& url,
  56       int64 offset,
  57       const base::Time& expected_modification_time,
  58       fileapi::FileSystemContext* context) const OVERRIDE;
  59   virtual scoped_ptr<fileapi::FileStreamWriter> CreateFileStreamWriter(
  60       const fileapi::FileSystemURL& url,
  61       int64 offset,
  62       fileapi::FileSystemContext* context) const OVERRIDE;
  63   virtual fileapi::FileSystemQuotaUtil* GetQuotaUtil() OVERRIDE;
  64
  65   // Initialize the CopyOrMoveFileValidatorFactory. Invalid to call more than
  66   // once.
  67   void InitializeCopyOrMoveFileValidatorFactory(
  68       scoped_ptr<fileapi::CopyOrMoveFileValidatorFactory> factory);
  69
  70   const fileapi::UpdateObserverList*
  71       GetUpdateObservers(fileapi::FileSystemType type) const;
  72   void AddFileChangeObserver(fileapi::FileChangeObserver* observer);
  73
  74   // For CopyOrMoveFileValidatorFactory testing. Once it's set to true
  75   // GetCopyOrMoveFileValidatorFactory will start returning security
  76   // error if validator is not initialized.
  77   void set_require_copy_or_move_validator(bool flag) {
  78     require_copy_or_move_validator_ = flag;
  79   }
  80
  81  private:
  82   class QuotaUtil;
  83
  84   base::FilePath base_path_;
  85   scoped_refptr<base::SequencedTaskRunner> task_runner_;
  86   scoped_ptr<fileapi::AsyncFileUtilAdapter> file_util_;
  87   scoped_ptr<QuotaUtil> quota_util_;
  88
  89   bool require_copy_or_move_validator_;
  90   scoped_ptr<fileapi::CopyOrMoveFileValidatorFactory>
  91       copy_or_move_file_validator_factory_;
  92
  93   DISALLOW_COPY_AND_ASSIGN(TestFileSystemBackend);
  94 };
  95
  96 }  // namespace content
  97
  98 #endif  // CONTENT_PUBLIC_TEST_TEST_FILE_SYSTEM_BACKEND_H_