chrome/browser/chromeos/drive/file_system/set_property_operation.h

   1 // Copyright 2015 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_DRIVE_FILE_SYSTEM_SET_PROPERTY_OPERATION_H_
   6 #define CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_SET_PROPERTY_OPERATION_H_
   7
   8 #include <string>
   9
  10 #include "base/macros.h"
  11 #include "base/memory/ref_counted.h"
  12 #include "base/memory/weak_ptr.h"
  13 #include "chrome/browser/chromeos/drive/file_errors.h"
  14 #include "google_apis/drive/drive_api_requests.h"
  15
  16 namespace base {
  17 class FilePath;
  18 class SequencedTaskRunner;
  19 }  // namespace base
  20
  21 namespace drive {
  22 namespace internal {
  23 class ResourceMetadata;
  24 }  // namespace internal
  25
  26 class ResourceEntry;
  27
  28 namespace file_system {
  29
  30 class OperationDelegate;
  31
  32 class SetPropertyOperation {
  33  public:
  34   SetPropertyOperation(base::SequencedTaskRunner* blocking_task_runner,
  35                        OperationDelegate* delegate,
  36                        internal::ResourceMetadata* metadata);
  37   ~SetPropertyOperation();
  38
  39   // Sets the |key| property on the entry at |drive_file_path| with the
  40   // specified |visibility|. If the property already exists, it will be
  41   // overwritten.
  42   void SetProperty(const base::FilePath& drive_file_path,
  43                    google_apis::drive::Property::Visibility visibility,
  44                    const std::string& key,
  45                    const std::string& value,
  46                    const FileOperationCallback& callback);
  47
  48  private:
  49   // Part of SetProperty(). Runs after updating the local state.
  50   void SetPropertyAfterUpdateLocalState(const FileOperationCallback& callback,
  51                                         const ResourceEntry* entry,
  52                                         FileError result);
  53
  54   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
  55   OperationDelegate* delegate_;
  56   internal::ResourceMetadata* metadata_;
  57
  58   // Note: This should remain the last member so it'll be destroyed and
  59   // invalidate the weak pointers before any other members are destroyed.
  60   base::WeakPtrFactory<SetPropertyOperation> weak_ptr_factory_;
  61   DISALLOW_COPY_AND_ASSIGN(SetPropertyOperation);
  62 };
  63
  64 }  // namespace file_system
  65 }  // namespace drive
  66
  67 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_SET_PROPERTY_OPERATION_H_