drive: Support offline delete

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

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_REMOVE_OPERATION_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_REMOVE_OPERATION_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/chromeos/drive/file_errors.h"
 #include "chrome/browser/google_apis/gdata_errorcode.h"
 
 namespace base {
 class FilePath;
 class SequencedTaskRunner;
 }  // namespace base
 
 namespace drive {
 
-class JobScheduler;
 class ResourceEntry;
 
 namespace internal {
 class FileCache;
 class ResourceMetadata;
 }  // namespace internal
 
 namespace file_system {
 
 class OperationObserver;
 
-// This class encapsulates the drive Remove function.  It is responsible for
-// sending the request to the drive API, then updating the local state and
-// metadata to reflect the new state.
 class RemoveOperation {

[kinaba, 2013/11/12 06:21:29]

Please keep some brief class comment.

[hashimoto, 2013/11/25 10:13:58]

Done.

  public:
   RemoveOperation(base::SequencedTaskRunner* blocking_task_runner,
                   OperationObserver* observer,
-                  JobScheduler* scheduler,
                   internal::ResourceMetadata* metadata,
                   internal::FileCache* cache);
   ~RemoveOperation();
 
   // Removes the resource at |path|. If |path| is a directory and |is_recursive|
   // is set, it recursively removes all the descendants. If |is_recursive| is
   // not set, it succeeds only when the directory is empty.
   //
   // |callback| must not be null.
   void Remove(const base::FilePath& path,
               bool is_recursive,
               const FileOperationCallback& callback);
 
  private:
-  // Part of Remove(). Called after CheckLocalState() completion.
-  void RemoveAfterCheckLocalState(const FileOperationCallback& callback,
-                                  const std::string* parent_resource_id,
-                                  const ResourceEntry* entry,
-                                  FileError error);
-
-  // Part of Remove(). Called after server-side removal is done.
-  void RemoveAfterUpdateRemoteState(
-      const FileOperationCallback& callback,
-      const base::Callback<FileError(base::FilePath*)>& local_update_task,
-      google_apis::GDataErrorCode status);
-
   // Part of Remove(). Called after UpdateLocalState() completion.
   void RemoveAfterUpdateLocalState(const FileOperationCallback& callback,
+                                   const std::string* local_id,
                                    const base::FilePath* changed_directory_path,
                                    FileError error);
 
   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
   OperationObserver* observer_;
-  JobScheduler* scheduler_;
   internal::ResourceMetadata* metadata_;
   internal::FileCache* cache_;
 
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate the weak pointers before any other members are destroyed.
   base::WeakPtrFactory<RemoveOperation> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(RemoveOperation);
 };
 
 }  // namespace file_system
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_REMOVE_OPERATION_H_