components/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 COMPONENTS_DRIVE_FILE_SYSTEM_SET_PROPERTY_OPERATION_H_
   6 #define COMPONENTS_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 "base/threading/thread_checker.h"
  14 #include "components/drive/file_errors.h"
  15 #include "google_apis/drive/drive_api_requests.h"
  16
  17 namespace base {
  18 class FilePath;
  19 class SequencedTaskRunner;
  20 }  // namespace base
  21
  22 namespace drive {
  23 namespace internal {
  24 class ResourceMetadata;
  25 }  // namespace internal
  26
  27 class ResourceEntry;
  28
  29 namespace file_system {
  30
  31 class OperationDelegate;
  32
  33 class SetPropertyOperation {
  34  public:
  35   SetPropertyOperation(base::SequencedTaskRunner* blocking_task_runner,
  36                        OperationDelegate* delegate,
  37                        internal::ResourceMetadata* metadata);
  38   ~SetPropertyOperation();
  39
  40   // Sets the |key| property on the entry at |drive_file_path| with the
  41   // specified |visibility|. If the property already exists, it will be
  42   // overwritten.
  43   void SetProperty(const base::FilePath& drive_file_path,
  44                    google_apis::drive::Property::Visibility visibility,
  45                    const std::string& key,
  46                    const std::string& value,
  47                    const FileOperationCallback& callback);
  48
  49  private:
  50   // Part of SetProperty(). Runs after updating the local state.
  51   void SetPropertyAfterUpdateLocalState(const FileOperationCallback& callback,
  52                                         const ResourceEntry* entry,
  53                                         FileError result);
  54
  55   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
  56   OperationDelegate* delegate_;
  57   internal::ResourceMetadata* metadata_;
  58
  59   base::ThreadChecker thread_checker_;
  60
  61   // Note: This should remain the last member so it'll be destroyed and
  62   // invalidate the weak pointers before any other members are destroyed.
  63   base::WeakPtrFactory<SetPropertyOperation> weak_ptr_factory_;
  64   DISALLOW_COPY_AND_ASSIGN(SetPropertyOperation);
  65 };
  66
  67 }  // namespace file_system
  68 }  // namespace drive
  69
  70 #endif  // COMPONENTS_DRIVE_FILE_SYSTEM_SET_PROPERTY_OPERATION_H_