FileChange class to be used with the extended version of notifications.
This class will be used to pass information about changed files to FileWatcher.
[email protected]
BUG=131198
TEST=Not used in production yet
Review URL: https://chromiumcodereview.appspot.com/11265003
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@163789 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/chromeos/drive/file_change.h b/chrome/browser/chromeos/drive/file_change.h
new file mode 100644
index 0000000..f24cdc9
--- /dev/null
+++ b/chrome/browser/chromeos/drive/file_change.h
@@ -0,0 +1,58 @@
+// 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_CHANGE_H_
+#define CHROME_BROWSER_CHROMEOS_DRIVE_FILE_CHANGE_H_
+
+#include <set>
+
+#include "base/file_path.h"
+
+namespace drive {
+
+class FileChange;
+
+// Set of changes.
+typedef std::set<FileChange> FileChangeSet;
+
+// Represents change in the filesystem. Rename is represented as two entries:
+// of type DELETED and ADDED. CHANGED type is for changed contents of
+// directories or for changed metadata and/or contents of files.
+class FileChange {
+ public:
+ enum Type {
+ DELETED,
+ ADDED,
+ CHANGED,
+ };
+
+ // Created an object representing a change of file or directory pointed by
+ // |change_path|. The change is of |change_type| type.
+ FileChange(const FilePath& path, Type type);
+ ~FileChange();
+
+ // Factory method to create a FileChangeSet object with only one element.
+ static FileChangeSet CreateSingleSet(const FilePath& path, Type type);
+
+ bool operator==(const FileChange &file_change) const {
+ return path_ == file_change.path() && type_ == file_change.type();
+ }
+
+ bool operator<(const FileChange &file_change) const {
+ return (path_ < file_change.path()) ||
+ (path_ == file_change.path() && type_ < file_change.type());
+ }
+
+ const FilePath& path() const { return path_; }
+
+ Type type() const { return type_; }
+
+ private:
+ const FilePath path_;
+ const Type type_;
+};
+
+} // namespace drive
+
+#endif // CHROME_BROWSER_CHROMEOS_DRIVE_FILE_CHANGE_H_
