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Unified Diff: webkit/fileapi/local_file_system_file_util.h

Issue 6603034: Stop returning the true root path of each filesystem from openFileSystem.... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 9 years, 9 months ago
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Index: webkit/fileapi/local_file_system_file_util.h
===================================================================
--- webkit/fileapi/local_file_system_file_util.h (revision 0)
+++ webkit/fileapi/local_file_system_file_util.h (revision 0)
@@ -0,0 +1,144 @@
+// Copyright (c) 2011 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_FILEAPI_LOCAL_FILE_SYSTEM_FILE_UTIL_H_
+#define WEBKIT_FILEAPI_LOCAL_FILE_SYSTEM_FILE_UTIL_H_
+
+#include "base/callback.h"
+#include "base/file_path.h"
+#include "base/file_util.h"
+#include "base/file_util_proxy.h"
+#include "base/logging.h"
+#include "base/platform_file.h"
+#include "base/ref_counted.h"
+#include "base/singleton.h"
+#include "base/tracked_objects.h"
+#include "webkit/fileapi/file_system_file_util.h"
+#include "webkit/fileapi/file_system_types.h"
+
+namespace base {
+struct PlatformFileInfo;
+class MessageLoopProxy;
+class Time;
+}
+
+class GURL;
+
+namespace fileapi {
+
+using base::PlatformFile;
+using base::PlatformFileError;
+
+class FileSystemOperationContext;
+
+class LocalFileSystemFileUtil : public FileSystemFileUtil {
+ public:
+ static LocalFileSystemFileUtil* GetInstance();
+
+ // Creates or opens a file with the given flags. It is invalid to pass NULL
+ // for the callback.
+ // If PLATFORM_FILE_CREATE is set in |file_flags| it always tries to create
+ // a new file at the given |file_path| and calls back with
+ // PLATFORM_FILE_ERROR_FILE_EXISTS if the |file_path| already exists.
kinuko 2011/03/22 00:16:24 Should be ok to remove all the comments for the me
ericu 2011/03/22 00:40:31 Done.
+ virtual PlatformFileError CreateOrOpen(
+ FileSystemOperationContext* context,
+ const FilePath& file_path,
+ int file_flags,
+ PlatformFile* file_handle,
+ bool* created);
+
+ // Ensures that the given |file_path| exist. This creates a empty new file
+ // at |file_path| if the |file_path| does not exist.
+ // If a new file han not existed and is created at the |file_path|,
+ // |created| of the callback argument is set true and |error code|
+ // is set PLATFORM_FILE_OK.
+ // If the file already exists, |created| is set false and |error code|
+ // is set PLATFORM_FILE_OK.
+ // If the file hasn't existed but it couldn't be created for some other
+ // reasons, |created| is set false and |error code| indicates the error.
+ virtual PlatformFileError EnsureFileExists(
+ FileSystemOperationContext* context,
+ const FilePath& file_path, bool* created);
+
+ // Retrieves the information about a file. It is invalid to pass NULL for the
+ // callback.
+ virtual PlatformFileError GetFileInfo(
+ FileSystemOperationContext* context,
+ const FilePath& file_, base::PlatformFileInfo* file_info);
+
+ virtual PlatformFileError ReadDirectory(
+ FileSystemOperationContext* context,
+ const FilePath& file_path,
+ std::vector<base::FileUtilProxy::Entry>* entries);
+
+ // Creates directory at given path. It's an error to create
+ // if |exclusive| is true and dir already exists.
+ virtual PlatformFileError CreateDirectory(
+ FileSystemOperationContext* context,
+ const FilePath& file_path,
+ bool exclusive,
+ bool recursive);
+
+ // Copies a file or a directory from |src_file_path| to |dest_file_path|
+ // Error cases:
+ // If destination file doesn't exist or destination's parent
+ // doesn't exists.
+ // If source dir exists but destination path is an existing file.
+ // If source file exists but destination path is an existing directory.
+ // If source is a parent of destination.
+ // If source doesn't exists.
+ virtual PlatformFileError Copy(
+ FileSystemOperationContext* context,
+ const FilePath& src_file_path,
+ const FilePath& dest_file_path);
+
+ // Moves a file or a directory from src_file_path to dest_file_path.
+ // Error cases are similar to Copy method's error cases.
+ virtual PlatformFileError Move(
+ FileSystemOperationContext* context,
+ const FilePath& src_file_path,
+ const FilePath& dest_file_path);
+
+ // Deletes a file or a directory.
+ // It is an error to delete a non-empty directory with recursive=false.
+ virtual PlatformFileError Delete(
+ FileSystemOperationContext* context,
+ const FilePath& file_path,
+ bool recursive);
+
+ // Touches a file. The callback can be NULL.
+ virtual PlatformFileError Touch(
+ FileSystemOperationContext* context,
+ const FilePath& file_path,
+ const base::Time& last_access_time,
+ const base::Time& last_modified_time);
+
+ // Truncates a file to the given length. If |length| is greater than the
+ // current length of the file, the file will be extended with zeroes.
+ // The callback can be NULL.
+ virtual PlatformFileError Truncate(
+ FileSystemOperationContext* context,
+ const FilePath& path,
+ int64 length);
+
+ protected:
+ LocalFileSystemFileUtil() { }
+
+ friend struct DefaultSingletonTraits<LocalFileSystemFileUtil>;
+ DISALLOW_COPY_AND_ASSIGN(LocalFileSystemFileUtil);
+
+ private:
+ // Given the filesystem's root URL and a virtual path, produces a real, full
+ // local path.
+ FilePath GetLocalPath(
+ FileSystemOperationContext* context,
+ const GURL& origin_url,
+ FileSystemType type,
+ const FilePath& virtual_path);
+
+};
+
+} // namespace fileapi
+
+#endif // WEBKIT_FILEAPI_LOCAL_FILE_SYSTEM_FILE_UTIL_H_
Property changes on: webkit\fileapi\local_file_system_file_util.h
___________________________________________________________________
Added: svn:eol-style
+ LF

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