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Unified Diff: net/base/directory_lister.h

Issue 992733002: Remove //net (except for Android test stuff) and sdch (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 9 months ago
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Index: net/base/directory_lister.h
diff --git a/net/base/directory_lister.h b/net/base/directory_lister.h
deleted file mode 100644
index 51387e806557f10d3f51462eefd17d86af456120..0000000000000000000000000000000000000000
--- a/net/base/directory_lister.h
+++ /dev/null
@@ -1,145 +0,0 @@
-// 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 NET_BASE_DIRECTORY_LISTER_H_
-#define NET_BASE_DIRECTORY_LISTER_H_
-
-#include <vector>
-
-#include "base/atomicops.h"
-#include "base/files/file_enumerator.h"
-#include "base/files/file_path.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/message_loop/message_loop_proxy.h"
-#include "net/base/net_export.h"
-
-namespace net {
-
-// This class provides an API for asynchronously listing the contents of a
-// directory on the filesystem. It runs a task on a background thread, and
-// enumerates all files in the specified directory on that thread. Destroying
-// the lister cancels the list operation. The DirectoryLister must only be
-// used on a thread with a MessageLoop.
-class NET_EXPORT DirectoryLister {
- public:
- // Represents one file found.
- struct DirectoryListerData {
- base::FileEnumerator::FileInfo info;
- base::FilePath path;
- };
-
- // Implement this class to receive directory entries.
- class DirectoryListerDelegate {
- public:
- // Called for each file found by the lister.
- virtual void OnListFile(const DirectoryListerData& data) = 0;
-
- // Called when the listing is complete.
- virtual void OnListDone(int error) = 0;
-
- protected:
- virtual ~DirectoryListerDelegate() {}
- };
-
- // Sort options
- // ALPHA_DIRS_FIRST is the default sort :
- // directories first in name order, then files by name order
- // FULL_PATH sorts by paths as strings, ignoring files v. directories
- // DATE sorts by last modified date
- // TODO(mmenke): Only NO_SORT and ALPHA_DIRS_FIRST appear to be used in
- // production code, and there's very little testing of some of these
- // options. Remove unused options, improve testing of the others.
- enum SortType {
- NO_SORT,
- DATE,
- ALPHA_DIRS_FIRST,
- FULL_PATH
- };
-
- DirectoryLister(const base::FilePath& dir,
- DirectoryListerDelegate* delegate);
-
- DirectoryLister(const base::FilePath& dir,
- bool recursive,
- SortType sort,
- DirectoryListerDelegate* delegate);
-
- // Will invoke Cancel().
- ~DirectoryLister();
-
- // Call this method to start the directory enumeration thread.
- bool Start();
-
- // Call this method to asynchronously stop directory enumeration. The
- // delegate will not be called back.
- void Cancel();
-
- private:
- typedef std::vector<DirectoryListerData> DirectoryList;
-
- // Class responsible for retrieving and sorting the actual directory list on
- // a worker pool thread. Created on the DirectoryLister's thread. As it's
- // refcounted, it's destroyed when the final reference is released, which may
- // happen on either thread.
- //
- // It's kept alive during the calls to Start() and DoneOnOriginThread() by the
- // reference owned by the callback itself.
- class Core : public base::RefCountedThreadSafe<Core> {
- public:
- Core(const base::FilePath& dir,
- bool recursive,
- SortType sort,
- DirectoryLister* lister);
-
- // May only be called on a worker pool thread.
- void Start();
-
- // Must be called on the origin thread.
- void CancelOnOriginThread();
-
- private:
- friend class base::RefCountedThreadSafe<Core>;
- class DataEvent;
-
- ~Core();
-
- // Called on both threads.
- bool IsCancelled() const;
-
- // Called on origin thread.
- void DoneOnOriginThread(scoped_ptr<DirectoryList> directory_list,
- int error) const;
-
- const base::FilePath dir_;
- const bool recursive_;
- const SortType sort_;
- const scoped_refptr<base::MessageLoopProxy> origin_loop_;
-
- // Only used on the origin thread.
- DirectoryLister* lister_;
-
- // Set to 1 on cancellation. Used both to abort listing files early on the
- // worker pool thread for performance reasons and to ensure |lister_| isn't
- // called after cancellation on the origin thread.
- base::subtle::Atomic32 cancelled_;
-
- DISALLOW_COPY_AND_ASSIGN(Core);
- };
-
- // Call into the corresponding DirectoryListerDelegate. Must not be called
- // after cancellation.
- void OnListFile(const DirectoryListerData& data);
- void OnListDone(int error);
-
- scoped_refptr<Core> core_;
- DirectoryListerDelegate* const delegate_;
-
- DISALLOW_COPY_AND_ASSIGN(DirectoryLister);
-};
-
-} // namespace net
-
-#endif // NET_BASE_DIRECTORY_LISTER_H_
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