Implement DeleteFile and DeleteDirectory.

device/media_transfer_protocol/media_transfer_protocol_daemon_client.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.
 
 // Client code to talk to the Media Transfer Protocol daemon. The MTP daemon is
 // responsible for communicating with PTP / MTP capable devices like cameras
 // and smartphones.
 
 #ifndef DEVICE_MEDIA_TRANSFER_PROTOCOL_MEDIA_TRANSFER_PROTOCOL_DAEMON_CLIENT_H_
 #define DEVICE_MEDIA_TRANSFER_PROTOCOL_MEDIA_TRANSFER_PROTOCOL_DAEMON_CLIENT_H_
@@ skipping 53 matching lines @@
   typedef base::Callback<void(const std::vector<MtpFileEntry>& file_entries)
                          > GetFileInfoCallback;
 
   // A callback to handle the result of ReadFileChunkById.
   // The argument is a string containing the file data.
   typedef base::Callback<void(const std::string& data)> ReadFileCallback;
 
   // A callback to handle the result of CopyFileFromLocal.
   typedef base::Closure CopyFileFromLocalCallback;
 
+  // A callback to handle the result of DeleteObject.
+  typedef base::Closure DeleteObjectCallback;
+
   // A callback to handle storage attach/detach events.
   // The first argument is true for attach, false for detach.
   // The second argument is the storage name.
   typedef base::Callback<void(bool is_attach,
                               const std::string& storage_name)
                          > MTPStorageEventHandler;
 
   virtual ~MediaTransferProtocolDaemonClient();
 
   // Calls EnumerateStorages method. |callback| is called after the
@@ skipping 61 matching lines @@
   // |source_file_descriptor| is a file descriptor of source file.
   // |parent_id| is a object id of a target directory.
   // |file_name| is a file name of a target file.
   virtual void CopyFileFromLocal(const std::string& handle,
                                  const int source_file_descriptor,
                                  const uint32 parent_id,
                                  const std::string& file_name,
                                  const CopyFileFromLocalCallback& callback,
                                  const ErrorCallback& error_callback) = 0;
 
+  // Calls DeleteObject method. |callback| is called after the method call
+  // succeeds, otherwise, |error_callback| is called.
+  // |object_id| is an object id of a file or directory which is deleted.
+  virtual void DeleteObject(const std::string& handle,
+                            const uint32 object_id,
+                            const DeleteObjectCallback& callback,
+                            const ErrorCallback& error_callback) = 0;
+
   // Registers given callback for events. Should only be called once.
   // |storage_event_handler| is called when a mtp storage attach or detach
   // signal is received.
   virtual void ListenForChanges(const MTPStorageEventHandler& handler) = 0;
 
   // Factory function, creates a new instance and returns ownership.
   static MediaTransferProtocolDaemonClient* Create(dbus::Bus* bus);
 
  protected:
   // Create() should be used instead.
   MediaTransferProtocolDaemonClient();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MediaTransferProtocolDaemonClient);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_MEDIA_TRANSFER_PROTOCOL_MEDIA_TRANSFER_PROTOCOL_DAEMON_CLIENT_H_