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Side by Side Diff: webkit/fileapi/media/mtp_device_delegate.h

Issue 12163003: Add FilePath to base namespace. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 10 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 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 WEBKIT_FILEAPI_MEDIA_MTP_DEVICE_DELEGATE_H_ 5 #ifndef WEBKIT_FILEAPI_MEDIA_MTP_DEVICE_DELEGATE_H_
6 #define WEBKIT_FILEAPI_MEDIA_MTP_DEVICE_DELEGATE_H_ 6 #define WEBKIT_FILEAPI_MEDIA_MTP_DEVICE_DELEGATE_H_
7 7
8 #include "base/memory/scoped_ptr.h" 8 #include "base/memory/scoped_ptr.h"
9 #include "base/platform_file.h" 9 #include "base/platform_file.h"
10 #include "webkit/fileapi/file_system_file_util.h" 10 #include "webkit/fileapi/file_system_file_util.h"
11 11
12 namespace base {
12 class FilePath; 13 class FilePath;
13
14 namespace base {
15 class SequencedTaskRunner; 14 class SequencedTaskRunner;
16 class Time; 15 class Time;
17 } 16 }
18 17
19 namespace fileapi { 18 namespace fileapi {
20 19
21 // Delegate for media transfer protocol (MTP) device to perform media device 20 // Delegate for media transfer protocol (MTP) device to perform media device
22 // isolated file system operations. Class that implements this delegate does 21 // isolated file system operations. Class that implements this delegate does
23 // the actual communication with the MTP device. ScopedMTPDeviceMapEntry class 22 // the actual communication with the MTP device. ScopedMTPDeviceMapEntry class
24 // manages the lifetime of the delegate via MTPDeviceMapService class. 23 // manages the lifetime of the delegate via MTPDeviceMapService class.
25 class MTPDeviceDelegate { 24 class MTPDeviceDelegate {
26 public: 25 public:
27 // Returns information about the given file path. 26 // Returns information about the given file path.
28 virtual base::PlatformFileError GetFileInfo( 27 virtual base::PlatformFileError GetFileInfo(
29 const FilePath& file_path, 28 const base::FilePath& file_path,
30 base::PlatformFileInfo* file_info) = 0; 29 base::PlatformFileInfo* file_info) = 0;
31 30
32 // Returns a pointer to a new instance of AbstractFileEnumerator to enumerate 31 // Returns a pointer to a new instance of AbstractFileEnumerator to enumerate
33 // the file entries of |root| path. The instance needs to be freed by the 32 // the file entries of |root| path. The instance needs to be freed by the
34 // caller, and its lifetime should not extend past when the current call 33 // caller, and its lifetime should not extend past when the current call
35 // returns to the main media task runner thread. 34 // returns to the main media task runner thread.
36 virtual scoped_ptr<FileSystemFileUtil::AbstractFileEnumerator> 35 virtual scoped_ptr<FileSystemFileUtil::AbstractFileEnumerator>
37 CreateFileEnumerator(const FilePath& root, 36 CreateFileEnumerator(const base::FilePath& root,
38 bool recursive) = 0; 37 bool recursive) = 0;
39 38
40 // Updates the temporary snapshot file contents given by |local_path| with 39 // Updates the temporary snapshot file contents given by |local_path| with
41 // media file contents given by |device_file_path| and also returns the 40 // media file contents given by |device_file_path| and also returns the
42 // metadata of the temporary file. 41 // metadata of the temporary file.
43 virtual base::PlatformFileError CreateSnapshotFile( 42 virtual base::PlatformFileError CreateSnapshotFile(
44 const FilePath& device_file_path, 43 const base::FilePath& device_file_path,
45 const FilePath& local_path, 44 const base::FilePath& local_path,
46 base::PlatformFileInfo* file_info) = 0; 45 base::PlatformFileInfo* file_info) = 0;
47 46
48 // Called when the 47 // Called when the
49 // (1) Browser application is in shutdown mode (or) 48 // (1) Browser application is in shutdown mode (or)
50 // (2) Last extension using this MTP device is destroyed (or) 49 // (2) Last extension using this MTP device is destroyed (or)
51 // (3) Attached MTP device is removed (or) 50 // (3) Attached MTP device is removed (or)
52 // (4) User revoked the MTP device gallery permission. 51 // (4) User revoked the MTP device gallery permission.
53 // Ownership of |MTPDeviceDelegate| is handed off to the delegate 52 // Ownership of |MTPDeviceDelegate| is handed off to the delegate
54 // implementation class by this call. This function should take care of 53 // implementation class by this call. This function should take care of
55 // deleting itself on the right thread. This function should cancel all the 54 // deleting itself on the right thread. This function should cancel all the
56 // pending requests before posting any message to delete itself. 55 // pending requests before posting any message to delete itself.
57 // Called on the UI thread. 56 // Called on the UI thread.
58 virtual void CancelPendingTasksAndDeleteDelegate() = 0; 57 virtual void CancelPendingTasksAndDeleteDelegate() = 0;
59 58
60 protected: 59 protected:
61 // Always destruct this object via CancelPendingTasksAndDeleteDelegate(). 60 // Always destruct this object via CancelPendingTasksAndDeleteDelegate().
62 virtual ~MTPDeviceDelegate() {} 61 virtual ~MTPDeviceDelegate() {}
63 }; 62 };
64 63
65 } // namespace fileapi 64 } // namespace fileapi
66 65
67 #endif // WEBKIT_FILEAPI_MEDIA_MTP_DEVICE_DELEGATE_H_ 66 #endif // WEBKIT_FILEAPI_MEDIA_MTP_DEVICE_DELEGATE_H_
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