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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef NET_BASE_DIRECTORY_LISTER_H_ | 5 #ifndef NET_BASE_DIRECTORY_LISTER_H__ |
6 #define NET_BASE_DIRECTORY_LISTER_H_ | 6 #define NET_BASE_DIRECTORY_LISTER_H__ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/file_path.h" | 10 #include "base/file_path.h" |
11 #include "base/file_util.h" | 11 #include "base/file_util.h" |
12 #include "base/platform_thread.h" | 12 #include "base/platform_thread.h" |
13 #include "base/ref_counted.h" | 13 #include "base/ref_counted.h" |
14 | 14 |
15 class MessageLoop; | 15 class MessageLoop; |
16 | 16 |
17 namespace net { | 17 namespace net { |
18 | 18 |
19 // | 19 // |
20 // This class provides an API for listing the contents of a directory on the | 20 // This class provides an API for listing the contents of a directory on the |
21 // filesystem asynchronously. It spawns a background thread, and enumerates | 21 // filesystem asynchronously. It spawns a background thread, and enumerates |
22 // the specified directory on that thread. It marshalls WIN32_FIND_DATA | 22 // the specified directory on that thread. It marshalls WIN32_FIND_DATA |
23 // structs over to the main application thread. The consumer of this class | 23 // structs over to the main application thread. The consumer of this class |
24 // is insulated from any of the multi-threading details. | 24 // is insulated from any of the multi-threading details. |
25 // | 25 // |
26 class DirectoryLister : public base::RefCountedThreadSafe<DirectoryLister>, | 26 class DirectoryLister : public base::RefCountedThreadSafe<DirectoryLister>, |
27 public PlatformThread::Delegate { | 27 public PlatformThread::Delegate { |
28 public: | 28 public: |
29 // Implement this class to receive directory entries. | 29 // Implement this class to receive directory entries. |
30 class DirectoryListerDelegate { | 30 class DirectoryListerDelegate { |
31 public: | 31 public: |
32 virtual void OnListFile( | 32 virtual void OnListFile( |
33 const file_util::FileEnumerator::FindInfo& data) = 0; | 33 const file_util::FileEnumerator::FindInfo& data) = 0; |
34 virtual void OnListDone(int error) = 0; | 34 virtual void OnListDone(int error) = 0; |
35 | |
36 protected: | |
37 ~DirectoryListerDelegate() {} | |
38 }; | 35 }; |
39 | 36 |
40 DirectoryLister(const FilePath& dir, DirectoryListerDelegate* delegate); | 37 DirectoryLister(const FilePath& dir, DirectoryListerDelegate* delegate); |
41 ~DirectoryLister(); | 38 ~DirectoryLister(); |
42 | 39 |
43 // Call this method to start the directory enumeration thread. | 40 // Call this method to start the directory enumeration thread. |
44 bool Start(); | 41 bool Start(); |
45 | 42 |
46 // Call this method to asynchronously stop directory enumeration. The | 43 // Call this method to asynchronously stop directory enumeration. The |
47 // delegate will receive the OnListDone notification with an error code of | 44 // delegate will receive the OnListDone notification with an error code of |
(...skipping 16 matching lines...) Expand all Loading... |
64 | 61 |
65 FilePath dir_; | 62 FilePath dir_; |
66 DirectoryListerDelegate* delegate_; | 63 DirectoryListerDelegate* delegate_; |
67 MessageLoop* message_loop_; | 64 MessageLoop* message_loop_; |
68 PlatformThreadHandle thread_; | 65 PlatformThreadHandle thread_; |
69 bool canceled_; | 66 bool canceled_; |
70 }; | 67 }; |
71 | 68 |
72 } // namespace net | 69 } // namespace net |
73 | 70 |
74 #endif // NET_BASE_DIRECTORY_LISTER_H_ | 71 #endif // NET_BASE_DIRECTORY_LISTER_H__ |
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