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Side by Side Diff: chrome/browser/media_galleries/linux/mtp_device_delegate_impl_linux.h

Issue 145303002: Convert Media Galleries to use base::File (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Rebase Created 6 years, 11 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 CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_DEVICE_DELEGATE_IMPL_LINUX_H_ 5 #ifndef CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_DEVICE_DELEGATE_IMPL_LINUX_H_
6 #define CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_DEVICE_DELEGATE_IMPL_LINUX_H_ 6 #define CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_DEVICE_DELEGATE_IMPL_LINUX_H_
7 7
8 #include <queue> 8 #include <queue>
9 9
10 #include "base/callback.h" 10 #include "base/callback.h"
(...skipping 76 matching lines...) Expand 10 before | Expand all | Expand 10 after
87 // If the device is uninitialized, store the |task_info| in a pending task 87 // If the device is uninitialized, store the |task_info| in a pending task
88 // list and runs all the pending tasks once the device is successfully 88 // list and runs all the pending tasks once the device is successfully
89 // initialized. 89 // initialized.
90 void EnsureInitAndRunTask(const PendingTaskInfo& task_info); 90 void EnsureInitAndRunTask(const PendingTaskInfo& task_info);
91 91
92 // Writes data from the device to the snapshot file path based on the 92 // Writes data from the device to the snapshot file path based on the
93 // parameters in |current_snapshot_request_info_| by doing a call-and-reply to 93 // parameters in |current_snapshot_request_info_| by doing a call-and-reply to
94 // the UI thread. 94 // the UI thread.
95 // 95 //
96 // |snapshot_file_info| specifies the metadata details of the snapshot file. 96 // |snapshot_file_info| specifies the metadata details of the snapshot file.
97 void WriteDataIntoSnapshotFile( 97 void WriteDataIntoSnapshotFile(const base::File::Info& snapshot_file_info);
98 const base::PlatformFileInfo& snapshot_file_info);
99 98
100 // Processes the next pending request. 99 // Processes the next pending request.
101 void ProcessNextPendingRequest(); 100 void ProcessNextPendingRequest();
102 101
103 // Handles the device initialization event. |succeeded| indicates whether 102 // Handles the device initialization event. |succeeded| indicates whether
104 // device initialization succeeded. 103 // device initialization succeeded.
105 // 104 //
106 // If the device is successfully initialized, runs the next pending task. 105 // If the device is successfully initialized, runs the next pending task.
107 void OnInitCompleted(bool succeeded); 106 void OnInitCompleted(bool succeeded);
108 107
109 // Called when GetFileInfo() succeeds. |file_info| specifies the 108 // Called when GetFileInfo() succeeds. |file_info| specifies the
110 // requested file details. |success_callback| is invoked to notify the caller 109 // requested file details. |success_callback| is invoked to notify the caller
111 // about the requested file details. 110 // about the requested file details.
112 void OnDidGetFileInfo(const GetFileInfoSuccessCallback& success_callback, 111 void OnDidGetFileInfo(const GetFileInfoSuccessCallback& success_callback,
113 const base::PlatformFileInfo& file_info); 112 const base::File::Info& file_info);
114 113
115 // Called when GetFileInfo() succeeds. GetFileInfo() is invoked to 114 // Called when GetFileInfo() succeeds. GetFileInfo() is invoked to
116 // get the |root| directory metadata details. |file_info| specifies the |root| 115 // get the |root| directory metadata details. |file_info| specifies the |root|
117 // directory details. 116 // directory details.
118 // 117 //
119 // If |root| is a directory, post a task on the UI thread to read the |root| 118 // If |root| is a directory, post a task on the UI thread to read the |root|
120 // directory file entries. 119 // directory file entries.
121 // 120 //
122 // If |root| is not a directory, |error_callback| is invoked to notify the 121 // If |root| is not a directory, |error_callback| is invoked to notify the
123 // caller about the platform file error and process the next pending request. 122 // caller about the platform file error and process the next pending request.
124 void OnDidGetFileInfoToReadDirectory( 123 void OnDidGetFileInfoToReadDirectory(
125 const std::string& root, 124 const std::string& root,
126 const ReadDirectorySuccessCallback& success_callback, 125 const ReadDirectorySuccessCallback& success_callback,
127 const ErrorCallback& error_callback, 126 const ErrorCallback& error_callback,
128 const base::PlatformFileInfo& file_info); 127 const base::File::Info& file_info);
129 128
130 // Called when GetFileInfo() succeeds. GetFileInfo() is invoked to 129 // Called when GetFileInfo() succeeds. GetFileInfo() is invoked to
131 // create the snapshot file of |snapshot_request_info.device_file_path|. 130 // create the snapshot file of |snapshot_request_info.device_file_path|.
132 // |file_info| specifies the device file metadata details. 131 // |file_info| specifies the device file metadata details.
133 // 132 //
134 // Posts a task on the UI thread to copy the data contents of the device file 133 // Posts a task on the UI thread to copy the data contents of the device file
135 // to the snapshot file. 134 // to the snapshot file.
136 void OnDidGetFileInfoToCreateSnapshotFile( 135 void OnDidGetFileInfoToCreateSnapshotFile(
137 scoped_ptr<SnapshotRequestInfo> snapshot_request_info, 136 scoped_ptr<SnapshotRequestInfo> snapshot_request_info,
138 const base::PlatformFileInfo& file_info); 137 const base::File::Info& file_info);
139 138
140 // Called when GetFileInfo() succeeds to read a range of bytes. 139 // Called when GetFileInfo() succeeds to read a range of bytes.
141 void OnDidGetFileInfoToReadBytes(const ReadBytesRequest& request, 140 void OnDidGetFileInfoToReadBytes(const ReadBytesRequest& request,
142 const base::PlatformFileInfo& file_info); 141 const base::File::Info& file_info);
143 142
144 // Called when ReadDirectory() succeeds. 143 // Called when ReadDirectory() succeeds.
145 // 144 //
146 // |file_list| contains the directory file entries. 145 // |file_list| contains the directory file entries.
147 // |success_callback| is invoked to notify the caller about the directory 146 // |success_callback| is invoked to notify the caller about the directory
148 // file entries. 147 // file entries.
149 void OnDidReadDirectory(const ReadDirectorySuccessCallback& success_callback, 148 void OnDidReadDirectory(const ReadDirectorySuccessCallback& success_callback,
150 const fileapi::AsyncFileUtil::EntryList& file_list); 149 const fileapi::AsyncFileUtil::EntryList& file_list);
151 150
152 // Called when WriteDataIntoSnapshotFile() succeeds. 151 // Called when WriteDataIntoSnapshotFile() succeeds.
153 // 152 //
154 // |snapshot_file_info| specifies the snapshot file metadata details. 153 // |snapshot_file_info| specifies the snapshot file metadata details.
155 // 154 //
156 // |current_snapshot_request_info_.success_callback| is invoked to notify the 155 // |current_snapshot_request_info_.success_callback| is invoked to notify the
157 // caller about |snapshot_file_info|. 156 // caller about |snapshot_file_info|.
158 void OnDidWriteDataIntoSnapshotFile( 157 void OnDidWriteDataIntoSnapshotFile(
159 const base::PlatformFileInfo& snapshot_file_info, 158 const base::File::Info& snapshot_file_info,
160 const base::FilePath& snapshot_file_path); 159 const base::FilePath& snapshot_file_path);
161 160
162 // Called when WriteDataIntoSnapshotFile() fails. 161 // Called when WriteDataIntoSnapshotFile() fails.
163 // 162 //
164 // |error| specifies the platform file error code. 163 // |error| specifies the platform file error code.
165 // 164 //
166 // |current_snapshot_request_info_.error_callback| is invoked to notify the 165 // |current_snapshot_request_info_.error_callback| is invoked to notify the
167 // caller about |error|. 166 // caller about |error|.
168 void OnWriteDataIntoSnapshotFileError(base::PlatformFileError error); 167 void OnWriteDataIntoSnapshotFileError(base::File::Error error);
169 168
170 // Called when ReadBytes() succeeds. 169 // Called when ReadBytes() succeeds.
171 // 170 //
172 // |success_callback| is invoked to notify the caller about the read bytes. 171 // |success_callback| is invoked to notify the caller about the read bytes.
173 // |bytes_read| is the number of bytes read. 172 // |bytes_read| is the number of bytes read.
174 void OnDidReadBytes(const ReadBytesSuccessCallback& success_callback, 173 void OnDidReadBytes(const ReadBytesSuccessCallback& success_callback,
175 int bytes_read); 174 int bytes_read);
176 175
177 // Handles the device file |error|. |error_callback| is invoked to notify the 176 // Handles the device file |error|. |error_callback| is invoked to notify the
178 // caller about the file error. 177 // caller about the file error.
179 void HandleDeviceFileError(const ErrorCallback& error_callback, 178 void HandleDeviceFileError(const ErrorCallback& error_callback,
180 base::PlatformFileError error); 179 base::File::Error error);
181 180
182 // MTP device initialization state. 181 // MTP device initialization state.
183 InitializationState init_state_; 182 InitializationState init_state_;
184 183
185 // Used to make sure only one task is in progress at any time. 184 // Used to make sure only one task is in progress at any time.
186 bool task_in_progress_; 185 bool task_in_progress_;
187 186
188 // Registered file system device path. This path does not 187 // Registered file system device path. This path does not
189 // correspond to a real device path (e.g. "/usb:2,2:81282"). 188 // correspond to a real device path (e.g. "/usb:2,2:81282").
190 const base::FilePath device_path_; 189 const base::FilePath device_path_;
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203 // request at any time. 202 // request at any time.
204 scoped_ptr<SnapshotRequestInfo> current_snapshot_request_info_; 203 scoped_ptr<SnapshotRequestInfo> current_snapshot_request_info_;
205 204
206 // For callbacks that may run after destruction. 205 // For callbacks that may run after destruction.
207 base::WeakPtrFactory<MTPDeviceDelegateImplLinux> weak_ptr_factory_; 206 base::WeakPtrFactory<MTPDeviceDelegateImplLinux> weak_ptr_factory_;
208 207
209 DISALLOW_COPY_AND_ASSIGN(MTPDeviceDelegateImplLinux); 208 DISALLOW_COPY_AND_ASSIGN(MTPDeviceDelegateImplLinux);
210 }; 209 };
211 210
212 #endif // CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_DEVICE_DELEGATE_IMPL_LINUX_H _ 211 #endif // CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_DEVICE_DELEGATE_IMPL_LINUX_H _
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