Migrate webkit/browser/ to storage/browser/

webkit/browser/fileapi/file_system_operation_runner.h

Index: webkit/browser/fileapi/file_system_operation_runner.h
diff --git a/webkit/browser/fileapi/file_system_operation_runner.h b/webkit/browser/fileapi/file_system_operation_runner.h
index cd30d7b5d1dc212ee16e347c990413ab4df434f7..783f9a3d87df0c9deb0816186b544dcb109c759d 100644
--- a/webkit/browser/fileapi/file_system_operation_runner.h
+++ b/webkit/browser/fileapi/file_system_operation_runner.h
@@ -1,322 +1,5 @@
-// Copyright 2013 The Chromium Authors. All rights reserved.
+// Copyright 2014 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 WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_OPERATION_RUNNER_H_
-#define WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_OPERATION_RUNNER_H_
-
-#include <map>
-#include <set>
-#include <vector>
-
-#include "base/basictypes.h"
-#include "base/id_map.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "webkit/browser/blob/blob_data_handle.h"
-#include "webkit/browser/fileapi/file_system_operation.h"
-#include "webkit/browser/fileapi/file_system_url.h"
-#include "webkit/browser/storage_browser_export.h"
-
-namespace net {
-class URLRequestContext;
-}
-
-namespace storage {
-
-class FileSystemURL;
-class FileSystemContext;
-
-// A central interface for running FileSystem API operations.
-// All operation methods take callback and returns OperationID, which is
-// an integer value which can be used for cancelling an operation.
-// All operation methods return kErrorOperationID if running (posting) an
-// operation fails, in addition to dispatching the callback with an error
-// code (therefore in most cases the caller does not need to check the
-// returned operation ID).
-class STORAGE_EXPORT FileSystemOperationRunner
-    : public base::SupportsWeakPtr<FileSystemOperationRunner> {
- public:
-  typedef FileSystemOperation::GetMetadataCallback GetMetadataCallback;
-  typedef FileSystemOperation::ReadDirectoryCallback ReadDirectoryCallback;
-  typedef FileSystemOperation::SnapshotFileCallback SnapshotFileCallback;
-  typedef FileSystemOperation::StatusCallback StatusCallback;
-  typedef FileSystemOperation::WriteCallback WriteCallback;
-  typedef FileSystemOperation::OpenFileCallback OpenFileCallback;
-  typedef FileSystemOperation::CopyProgressCallback CopyProgressCallback;
-  typedef FileSystemOperation::CopyFileProgressCallback
-      CopyFileProgressCallback;
-  typedef FileSystemOperation::CopyOrMoveOption CopyOrMoveOption;
-
-  typedef int OperationID;
-
-  virtual ~FileSystemOperationRunner();
-
-  // Cancels all inflight operations.
-  void Shutdown();
-
-  // Creates a file at |url|. If |exclusive| is true, an error is raised
-  // in case a file is already present at the URL.
-  OperationID CreateFile(const FileSystemURL& url,
-                         bool exclusive,
-                         const StatusCallback& callback);
-
-  OperationID CreateDirectory(const FileSystemURL& url,
-                              bool exclusive,
-                              bool recursive,
-                              const StatusCallback& callback);
-
-  // Copies a file or directory from |src_url| to |dest_url|. If
-  // |src_url| is a directory, the contents of |src_url| are copied to
-  // |dest_url| recursively. A new file or directory is created at
-  // |dest_url| as needed.
-  // For |option| and |progress_callback|, see file_system_operation.h for
-  // details.
-  OperationID Copy(const FileSystemURL& src_url,
-                   const FileSystemURL& dest_url,
-                   CopyOrMoveOption option,
-                   const CopyProgressCallback& progress_callback,
-                   const StatusCallback& callback);
-
-  // Moves a file or directory from |src_url| to |dest_url|. A new file
-  // or directory is created at |dest_url| as needed.
-  // For |option|, see file_system_operation.h for details.
-  OperationID Move(const FileSystemURL& src_url,
-                   const FileSystemURL& dest_url,
-                   CopyOrMoveOption option,
-                   const StatusCallback& callback);
-
-  // Checks if a directory is present at |url|.
-  OperationID DirectoryExists(const FileSystemURL& url,
-                              const StatusCallback& callback);
-
-  // Checks if a file is present at |url|.
-  OperationID FileExists(const FileSystemURL& url,
-                         const StatusCallback& callback);
-
-  // Gets the metadata of a file or directory at |url|.
-  OperationID GetMetadata(const FileSystemURL& url,
-                          const GetMetadataCallback& callback);
-
-  // Reads contents of a directory at |url|.
-  OperationID ReadDirectory(const FileSystemURL& url,
-                            const ReadDirectoryCallback& callback);
-
-  // Removes a file or directory at |url|. If |recursive| is true, remove
-  // all files and directories under the directory at |url| recursively.
-  OperationID Remove(const FileSystemURL& url, bool recursive,
-                     const StatusCallback& callback);
-
-  // Writes contents of |blob_url| to |url| at |offset|.
-  // |url_request_context| is used to read contents in |blob|.
-  OperationID Write(const net::URLRequestContext* url_request_context,
-                    const FileSystemURL& url,
-                    scoped_ptr<storage::BlobDataHandle> blob,
-                    int64 offset,
-                    const WriteCallback& callback);
-
-  // Truncates a file at |url| to |length|. If |length| is larger than
-  // the original file size, the file will be extended, and the extended
-  // part is filled with null bytes.
-  OperationID Truncate(const FileSystemURL& url, int64 length,
-                       const StatusCallback& callback);
-
-  // Tries to cancel the operation |id| [we support cancelling write or
-  // truncate only]. Reports failure for the current operation, then reports
-  // success for the cancel operation itself via the |callback|.
-  void Cancel(OperationID id, const StatusCallback& callback);
-
-  // Modifies timestamps of a file or directory at |url| with
-  // |last_access_time| and |last_modified_time|. The function DOES NOT
-  // create a file unlike 'touch' command on Linux.
-  //
-  // This function is used only by Pepper as of writing.
-  OperationID TouchFile(const FileSystemURL& url,
-                        const base::Time& last_access_time,
-                        const base::Time& last_modified_time,
-                        const StatusCallback& callback);
-
-  // Opens a file at |url| with |file_flags|, where flags are OR'ed
-  // values of base::PlatformFileFlags.
-  //
-  // |peer_handle| is the process handle of a pepper plugin process, which
-  // is necessary for underlying IPC calls with Pepper plugins.
-  //
-  // This function is used only by Pepper as of writing.
-  OperationID OpenFile(const FileSystemURL& url,
-                       int file_flags,
-                       const OpenFileCallback& callback);
-
-  // Creates a local snapshot file for a given |url| and returns the
-  // metadata and platform url of the snapshot file via |callback|.
-  // In local filesystem cases the implementation may simply return
-  // the metadata of the file itself (as well as GetMetadata does),
-  // while in remote filesystem case the backend may want to download the file
-  // into a temporary snapshot file and return the metadata of the
-  // temporary file.  Or if the implementaiton already has the local cache
-  // data for |url| it can simply return the url to the cache.
-  OperationID CreateSnapshotFile(const FileSystemURL& url,
-                                 const SnapshotFileCallback& callback);
-
-  // Copies in a single file from a different filesystem.
-  //
-  // This returns:
-  // - File::FILE_ERROR_NOT_FOUND if |src_file_path|
-  //   or the parent directory of |dest_url| does not exist.
-  // - File::FILE_ERROR_INVALID_OPERATION if |dest_url| exists and
-  //   is not a file.
-  // - File::FILE_ERROR_FAILED if |dest_url| does not exist and
-  //   its parent path is a file.
-  //
-  OperationID CopyInForeignFile(const base::FilePath& src_local_disk_path,
-                                const FileSystemURL& dest_url,
-                                const StatusCallback& callback);
-
-  // Removes a single file.
-  //
-  // This returns:
-  // - File::FILE_ERROR_NOT_FOUND if |url| does not exist.
-  // - File::FILE_ERROR_NOT_A_FILE if |url| is not a file.
-  //
-  OperationID RemoveFile(const FileSystemURL& url,
-                         const StatusCallback& callback);
-
-  // Removes a single empty directory.
-  //
-  // This returns:
-  // - File::FILE_ERROR_NOT_FOUND if |url| does not exist.
-  // - File::FILE_ERROR_NOT_A_DIRECTORY if |url| is not a directory.
-  // - File::FILE_ERROR_NOT_EMPTY if |url| is not empty.
-  //
-  OperationID RemoveDirectory(const FileSystemURL& url,
-                              const StatusCallback& callback);
-
-  // Copies a file from |src_url| to |dest_url|.
-  // This must be called for files that belong to the same filesystem
-  // (i.e. type() and origin() of the |src_url| and |dest_url| must match).
-  // For |option| and |progress_callback|, see file_system_operation.h for
-  // details.
-  //
-  // This returns:
-  // - File::FILE_ERROR_NOT_FOUND if |src_url|
-  //   or the parent directory of |dest_url| does not exist.
-  // - File::FILE_ERROR_NOT_A_FILE if |src_url| exists but is not a file.
-  // - File::FILE_ERROR_INVALID_OPERATION if |dest_url| exists and
-  //   is not a file.
-  // - File::FILE_ERROR_FAILED if |dest_url| does not exist and
-  //   its parent path is a file.
-  //
-  OperationID CopyFileLocal(const FileSystemURL& src_url,
-                            const FileSystemURL& dest_url,
-                            CopyOrMoveOption option,
-                            const CopyFileProgressCallback& progress_callback,
-                            const StatusCallback& callback);
-
-  // Moves a local file from |src_url| to |dest_url|.
-  // This must be called for files that belong to the same filesystem
-  // (i.e. type() and origin() of the |src_url| and |dest_url| must match).
-  // For |option|, see file_system_operation.h for details.
-  //
-  // This returns:
-  // - File::FILE_ERROR_NOT_FOUND if |src_url|
-  //   or the parent directory of |dest_url| does not exist.
-  // - File::FILE_ERROR_NOT_A_FILE if |src_url| exists but is not a file.
-  // - File::FILE_ERROR_INVALID_OPERATION if |dest_url| exists and
-  //   is not a file.
-  // - File::FILE_ERROR_FAILED if |dest_url| does not exist and
-  //   its parent path is a file.
-  //
-  OperationID MoveFileLocal(const FileSystemURL& src_url,
-                            const FileSystemURL& dest_url,
-                            CopyOrMoveOption option,
-                            const StatusCallback& callback);
-
-  // This is called only by pepper plugin as of writing to synchronously get
-  // the underlying platform path to upload a file in the sandboxed filesystem
-  // (e.g. TEMPORARY or PERSISTENT).
-  base::File::Error SyncGetPlatformPath(const FileSystemURL& url,
-                                        base::FilePath* platform_path);
-
- private:
-  class BeginOperationScoper;
-
-  struct OperationHandle {
-    OperationID id;
-    base::WeakPtr<BeginOperationScoper> scope;
-
-    OperationHandle();
-    ~OperationHandle();
-  };
-
-  friend class FileSystemContext;
-  explicit FileSystemOperationRunner(FileSystemContext* file_system_context);
-
-  void DidFinish(const OperationHandle& handle,
-                 const StatusCallback& callback,
-                 base::File::Error rv);
-  void DidGetMetadata(const OperationHandle& handle,
-                      const GetMetadataCallback& callback,
-                      base::File::Error rv,
-                      const base::File::Info& file_info);
-  void DidReadDirectory(const OperationHandle& handle,
-                        const ReadDirectoryCallback& callback,
-                        base::File::Error rv,
-                        const std::vector<DirectoryEntry>& entries,
-                        bool has_more);
-  void DidWrite(const OperationHandle& handle,
-                const WriteCallback& callback,
-                base::File::Error rv,
-                int64 bytes,
-                bool complete);
-  void DidOpenFile(
-      const OperationHandle& handle,
-      const OpenFileCallback& callback,
-      base::File file,
-      const base::Closure& on_close_callback);
-  void DidCreateSnapshot(
-      const OperationHandle& handle,
-      const SnapshotFileCallback& callback,
-      base::File::Error rv,
-      const base::File::Info& file_info,
-      const base::FilePath& platform_path,
-      const scoped_refptr<storage::ShareableFileReference>& file_ref);
-
-  void OnCopyProgress(
-      const OperationHandle& handle,
-      const CopyProgressCallback& callback,
-      FileSystemOperation::CopyProgressType type,
-      const FileSystemURL& source_url,
-      const FileSystemURL& dest_url,
-      int64 size);
-
-  void PrepareForWrite(OperationID id, const FileSystemURL& url);
-  void PrepareForRead(OperationID id, const FileSystemURL& url);
-
-  // These must be called at the beginning and end of any async operations.
-  OperationHandle BeginOperation(FileSystemOperation* operation,
-                                 base::WeakPtr<BeginOperationScoper> scope);
-  void FinishOperation(OperationID id);
-
-  // Not owned; file_system_context owns this.
-  FileSystemContext* file_system_context_;
-
-  // IDMap<FileSystemOperation, IDMapOwnPointer> operations_;
-  IDMap<FileSystemOperation, IDMapOwnPointer> operations_;
-
-  // We keep track of the file to be modified by each operation so that
-  // we can notify observers when we're done.
-  typedef std::map<OperationID, FileSystemURLSet> OperationToURLSet;
-  OperationToURLSet write_target_urls_;
-
-  // Operations that are finished but not yet fire their callbacks.
-  std::set<OperationID> finished_operations_;
-
-  // Callbacks for stray cancels whose target operation is already finished.
-  std::map<OperationID, StatusCallback> stray_cancel_callbacks_;
-
-  DISALLOW_COPY_AND_ASSIGN(FileSystemOperationRunner);
-};
-
-}  // namespace storage
-
-#endif  // WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_OPERATION_RUNNER_H_
+#include "storage/browser/fileapi/file_system_operation_runner.h"