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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" |
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81 // If the device is uninitialized, store the |task_info| in a pending task | 81 // If the device is uninitialized, store the |task_info| in a pending task |
82 // list and runs all the pending tasks once the device is successfully | 82 // list and runs all the pending tasks once the device is successfully |
83 // initialized. | 83 // initialized. |
84 void EnsureInitAndRunTask(const PendingTaskInfo& task_info); | 84 void EnsureInitAndRunTask(const PendingTaskInfo& task_info); |
85 | 85 |
86 // Writes data from the device to the snapshot file path based on the | 86 // Writes data from the device to the snapshot file path based on the |
87 // parameters in |current_snapshot_request_info_| by doing a call-and-reply to | 87 // parameters in |current_snapshot_request_info_| by doing a call-and-reply to |
88 // the UI thread. | 88 // the UI thread. |
89 // | 89 // |
90 // |snapshot_file_info| specifies the metadata details of the snapshot file. | 90 // |snapshot_file_info| specifies the metadata details of the snapshot file. |
91 void WriteDataIntoSnapshotFile( | 91 void WriteDataIntoSnapshotFile(const base::File::Info& snapshot_file_info); |
92 const base::PlatformFileInfo& snapshot_file_info); | |
93 | 92 |
94 // Processes the next pending request. | 93 // Processes the next pending request. |
95 void ProcessNextPendingRequest(); | 94 void ProcessNextPendingRequest(); |
96 | 95 |
97 // Handles the device initialization event. |succeeded| indicates whether | 96 // Handles the device initialization event. |succeeded| indicates whether |
98 // device initialization succeeded. | 97 // device initialization succeeded. |
99 // | 98 // |
100 // If the device is successfully initialized, runs the next pending task. | 99 // If the device is successfully initialized, runs the next pending task. |
101 void OnInitCompleted(bool succeeded); | 100 void OnInitCompleted(bool succeeded); |
102 | 101 |
103 // Called when GetFileInfo() succeeds. |file_info| specifies the | 102 // Called when GetFileInfo() succeeds. |file_info| specifies the |
104 // requested file details. |success_callback| is invoked to notify the caller | 103 // requested file details. |success_callback| is invoked to notify the caller |
105 // about the requested file details. | 104 // about the requested file details. |
106 void OnDidGetFileInfo(const GetFileInfoSuccessCallback& success_callback, | 105 void OnDidGetFileInfo(const GetFileInfoSuccessCallback& success_callback, |
107 const base::PlatformFileInfo& file_info); | 106 const base::File::Info& file_info); |
108 | 107 |
109 // Called when GetFileInfo() succeeds. GetFileInfo() is invoked to | 108 // Called when GetFileInfo() succeeds. GetFileInfo() is invoked to |
110 // get the |root| directory metadata details. |file_info| specifies the |root| | 109 // get the |root| directory metadata details. |file_info| specifies the |root| |
111 // directory details. | 110 // directory details. |
112 // | 111 // |
113 // If |root| is a directory, post a task on the UI thread to read the |root| | 112 // If |root| is a directory, post a task on the UI thread to read the |root| |
114 // directory file entries. | 113 // directory file entries. |
115 // | 114 // |
116 // If |root| is not a directory, |error_callback| is invoked to notify the | 115 // If |root| is not a directory, |error_callback| is invoked to notify the |
117 // caller about the platform file error and process the next pending request. | 116 // caller about the platform file error and process the next pending request. |
118 void OnDidGetFileInfoToReadDirectory( | 117 void OnDidGetFileInfoToReadDirectory( |
119 const std::string& root, | 118 const std::string& root, |
120 const ReadDirectorySuccessCallback& success_callback, | 119 const ReadDirectorySuccessCallback& success_callback, |
121 const ErrorCallback& error_callback, | 120 const ErrorCallback& error_callback, |
122 const base::PlatformFileInfo& file_info); | 121 const base::File::Info& file_info); |
123 | 122 |
124 // Called when GetFileInfo() succeeds. GetFileInfo() is invoked to | 123 // Called when GetFileInfo() succeeds. GetFileInfo() is invoked to |
125 // create the snapshot file of |snapshot_request_info.device_file_path|. | 124 // create the snapshot file of |snapshot_request_info.device_file_path|. |
126 // |file_info| specifies the device file metadata details. | 125 // |file_info| specifies the device file metadata details. |
127 // | 126 // |
128 // Posts a task on the UI thread to copy the data contents of the device file | 127 // Posts a task on the UI thread to copy the data contents of the device file |
129 // to the snapshot file. | 128 // to the snapshot file. |
130 void OnDidGetFileInfoToCreateSnapshotFile( | 129 void OnDidGetFileInfoToCreateSnapshotFile( |
131 scoped_ptr<SnapshotRequestInfo> snapshot_request_info, | 130 scoped_ptr<SnapshotRequestInfo> snapshot_request_info, |
132 const base::PlatformFileInfo& file_info); | 131 const base::File::Info& file_info); |
133 | 132 |
134 // Called when ReadDirectory() succeeds. | 133 // Called when ReadDirectory() succeeds. |
135 // | 134 // |
136 // |file_list| contains the directory file entries. | 135 // |file_list| contains the directory file entries. |
137 // |success_callback| is invoked to notify the caller about the directory | 136 // |success_callback| is invoked to notify the caller about the directory |
138 // file entries. | 137 // file entries. |
139 void OnDidReadDirectory(const ReadDirectorySuccessCallback& success_callback, | 138 void OnDidReadDirectory(const ReadDirectorySuccessCallback& success_callback, |
140 const fileapi::AsyncFileUtil::EntryList& file_list); | 139 const fileapi::AsyncFileUtil::EntryList& file_list); |
141 | 140 |
142 // Called when WriteDataIntoSnapshotFile() succeeds. | 141 // Called when WriteDataIntoSnapshotFile() succeeds. |
143 // | 142 // |
144 // |snapshot_file_info| specifies the snapshot file metadata details. | 143 // |snapshot_file_info| specifies the snapshot file metadata details. |
145 // | 144 // |
146 // |current_snapshot_request_info_.success_callback| is invoked to notify the | 145 // |current_snapshot_request_info_.success_callback| is invoked to notify the |
147 // caller about |snapshot_file_info|. | 146 // caller about |snapshot_file_info|. |
148 void OnDidWriteDataIntoSnapshotFile( | 147 void OnDidWriteDataIntoSnapshotFile( |
149 const base::PlatformFileInfo& snapshot_file_info, | 148 const base::File::Info& snapshot_file_info, |
150 const base::FilePath& snapshot_file_path); | 149 const base::FilePath& snapshot_file_path); |
151 | 150 |
152 // Called when WriteDataIntoSnapshotFile() fails. | 151 // Called when WriteDataIntoSnapshotFile() fails. |
153 // | 152 // |
154 // |error| specifies the platform file error code. | 153 // |error| specifies the platform file error code. |
155 // | 154 // |
156 // |current_snapshot_request_info_.error_callback| is invoked to notify the | 155 // |current_snapshot_request_info_.error_callback| is invoked to notify the |
157 // caller about |error|. | 156 // caller about |error|. |
158 void OnWriteDataIntoSnapshotFileError(base::PlatformFileError error); | 157 void OnWriteDataIntoSnapshotFileError(base::File::Error error); |
159 | 158 |
160 // Handles the device file |error|. |error_callback| is invoked to notify the | 159 // Handles the device file |error|. |error_callback| is invoked to notify the |
161 // caller about the file error. | 160 // caller about the file error. |
162 void HandleDeviceFileError(const ErrorCallback& error_callback, | 161 void HandleDeviceFileError(const ErrorCallback& error_callback, |
163 base::PlatformFileError error); | 162 base::File::Error error); |
164 | 163 |
165 // MTP device initialization state. | 164 // MTP device initialization state. |
166 InitializationState init_state_; | 165 InitializationState init_state_; |
167 | 166 |
168 // Used to make sure only one task is in progress at any time. | 167 // Used to make sure only one task is in progress at any time. |
169 bool task_in_progress_; | 168 bool task_in_progress_; |
170 | 169 |
171 // Registered file system device path. This path does not | 170 // Registered file system device path. This path does not |
172 // correspond to a real device path (e.g. "/usb:2,2:81282"). | 171 // correspond to a real device path (e.g. "/usb:2,2:81282"). |
173 const base::FilePath device_path_; | 172 const base::FilePath device_path_; |
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186 // request at any time. | 185 // request at any time. |
187 scoped_ptr<SnapshotRequestInfo> current_snapshot_request_info_; | 186 scoped_ptr<SnapshotRequestInfo> current_snapshot_request_info_; |
188 | 187 |
189 // For callbacks that may run after destruction. | 188 // For callbacks that may run after destruction. |
190 base::WeakPtrFactory<MTPDeviceDelegateImplLinux> weak_ptr_factory_; | 189 base::WeakPtrFactory<MTPDeviceDelegateImplLinux> weak_ptr_factory_; |
191 | 190 |
192 DISALLOW_COPY_AND_ASSIGN(MTPDeviceDelegateImplLinux); | 191 DISALLOW_COPY_AND_ASSIGN(MTPDeviceDelegateImplLinux); |
193 }; | 192 }; |
194 | 193 |
195 #endif // CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_DEVICE_DELEGATE_IMPL_LINUX_H
_ | 194 #endif // CHROME_BROWSER_MEDIA_GALLERIES_LINUX_MTP_DEVICE_DELEGATE_IMPL_LINUX_H
_ |
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