src/chrome/browser/chromeos/file_system_provider/provided_file_system.h

   1 // Copyright 2014 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_CHROMEOS_FILE_SYSTEM_PROVIDER_PROVIDED_FILE_SYSTEM_H_
   6 #define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_PROVIDED_FILE_SYSTEM_H_
   7
   8 #include "base/memory/weak_ptr.h"
   9 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_info.h"
  10 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_interface.h"
  11 #include "chrome/browser/chromeos/file_system_provider/request_manager.h"
  12 #include "storage/browser/fileapi/async_file_util.h"
  13
  14 class Profile;
  15
  16 namespace net {
  17 class IOBuffer;
  18 }  // namespace net
  19
  20 namespace base {
  21 class FilePath;
  22 }  // namespace base
  23
  24 namespace extensions {
  25 class EventRouter;
  26 }  // namespace extensions
  27
  28 namespace chromeos {
  29 namespace file_system_provider {
  30
  31 class NotificationManagerInterface;
  32
  33 // Provided file system implementation. Forwards requests between providers and
  34 // clients.
  35 class ProvidedFileSystem : public ProvidedFileSystemInterface {
  36  public:
  37   ProvidedFileSystem(Profile* profile,
  38                      const ProvidedFileSystemInfo& file_system_info);
  39   virtual ~ProvidedFileSystem();
  40
  41   // ProvidedFileSystemInterface overrides.
  42   virtual AbortCallback RequestUnmount(
  43       const storage::AsyncFileUtil::StatusCallback& callback) OVERRIDE;
  44   virtual AbortCallback GetMetadata(
  45       const base::FilePath& entry_path,
  46       MetadataFieldMask fields,
  47       const GetMetadataCallback& callback) OVERRIDE;
  48   virtual AbortCallback ReadDirectory(
  49       const base::FilePath& directory_path,
  50       const storage::AsyncFileUtil::ReadDirectoryCallback& callback) OVERRIDE;
  51   virtual AbortCallback OpenFile(const base::FilePath& file_path,
  52                                  OpenFileMode mode,
  53                                  const OpenFileCallback& callback) OVERRIDE;
  54   virtual AbortCallback CloseFile(
  55       int file_handle,
  56       const storage::AsyncFileUtil::StatusCallback& callback) OVERRIDE;
  57   virtual AbortCallback ReadFile(
  58       int file_handle,
  59       net::IOBuffer* buffer,
  60       int64 offset,
  61       int length,
  62       const ReadChunkReceivedCallback& callback) OVERRIDE;
  63   virtual AbortCallback CreateDirectory(
  64       const base::FilePath& directory_path,
  65       bool recursive,
  66       const storage::AsyncFileUtil::StatusCallback& callback) OVERRIDE;
  67   virtual AbortCallback DeleteEntry(
  68       const base::FilePath& entry_path,
  69       bool recursive,
  70       const storage::AsyncFileUtil::StatusCallback& callback) OVERRIDE;
  71   virtual AbortCallback CreateFile(
  72       const base::FilePath& file_path,
  73       const storage::AsyncFileUtil::StatusCallback& callback) OVERRIDE;
  74   virtual AbortCallback CopyEntry(
  75       const base::FilePath& source_path,
  76       const base::FilePath& target_path,
  77       const storage::AsyncFileUtil::StatusCallback& callback) OVERRIDE;
  78   virtual AbortCallback MoveEntry(
  79       const base::FilePath& source_path,
  80       const base::FilePath& target_path,
  81       const storage::AsyncFileUtil::StatusCallback& callback) OVERRIDE;
  82   virtual AbortCallback Truncate(
  83       const base::FilePath& file_path,
  84       int64 length,
  85       const storage::AsyncFileUtil::StatusCallback& callback) OVERRIDE;
  86   virtual AbortCallback WriteFile(
  87       int file_handle,
  88       net::IOBuffer* buffer,
  89       int64 offset,
  90       int length,
  91       const storage::AsyncFileUtil::StatusCallback& callback) OVERRIDE;
  92   virtual const ProvidedFileSystemInfo& GetFileSystemInfo() const OVERRIDE;
  93   virtual RequestManager* GetRequestManager() OVERRIDE;
  94   virtual base::WeakPtr<ProvidedFileSystemInterface> GetWeakPtr() OVERRIDE;
  95
  96  private:
  97   // Aborts an operation executed with a request id equal to
  98   // |operation_request_id|. The request is removed immediately on the C++ side
  99   // despite being handled by the providing extension or not.
 100   void Abort(int operation_request_id,
 101              const storage::AsyncFileUtil::StatusCallback& callback);
 102
 103   Profile* profile_;                       // Not owned.
 104   extensions::EventRouter* event_router_;  // Not owned. May be NULL.
 105   ProvidedFileSystemInfo file_system_info_;
 106   scoped_ptr<NotificationManagerInterface> notification_manager_;
 107   RequestManager request_manager_;
 108
 109   base::WeakPtrFactory<ProvidedFileSystem> weak_ptr_factory_;
 110   DISALLOW_COPY_AND_ASSIGN(ProvidedFileSystem);
 111 };
 112
 113 }  // namespace file_system_provider
 114 }  // namespace chromeos
 115
 116 #endif  // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_PROVIDED_FILE_SYSTEM_H_