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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 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_FILEAPI_DEVICE_MEDIA_ASYNC_FILE_UTIL_H_ | 5 #ifndef CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_DEVICE_MEDIA_ASYNC_FILE_UTIL_H_ |
6 #define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_DEVICE_MEDIA_ASYNC_FILE_UTIL_H_ | 6 #define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_DEVICE_MEDIA_ASYNC_FILE_UTIL_H_ |
7 | 7 |
| 8 #include "base/files/file.h" |
8 #include "base/files/file_path.h" | 9 #include "base/files/file_path.h" |
9 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
10 #include "base/memory/weak_ptr.h" | 11 #include "base/memory/weak_ptr.h" |
11 #include "base/platform_file.h" | |
12 #include "webkit/browser/fileapi/async_file_util.h" | 12 #include "webkit/browser/fileapi/async_file_util.h" |
13 #include "webkit/common/blob/shareable_file_reference.h" | 13 #include "webkit/common/blob/shareable_file_reference.h" |
14 | 14 |
15 namespace base { | 15 namespace base { |
16 class SequencedTaskRunner; | 16 class SequencedTaskRunner; |
17 class Time; | 17 class Time; |
18 } | 18 } |
19 | 19 |
20 namespace fileapi { | 20 namespace fileapi { |
21 class FileSystemOperationContext; | 21 class FileSystemOperationContext; |
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122 | 122 |
123 private: | 123 private: |
124 // Use Create() to get an instance of DeviceMediaAsyncFileUtil. | 124 // Use Create() to get an instance of DeviceMediaAsyncFileUtil. |
125 explicit DeviceMediaAsyncFileUtil(const base::FilePath& profile_path); | 125 explicit DeviceMediaAsyncFileUtil(const base::FilePath& profile_path); |
126 | 126 |
127 // Called when GetFileInfo method call succeeds. |file_info| contains the | 127 // Called when GetFileInfo method call succeeds. |file_info| contains the |
128 // file details of the requested url. |callback| is invoked to complete the | 128 // file details of the requested url. |callback| is invoked to complete the |
129 // GetFileInfo request. | 129 // GetFileInfo request. |
130 void OnDidGetFileInfo( | 130 void OnDidGetFileInfo( |
131 const AsyncFileUtil::GetFileInfoCallback& callback, | 131 const AsyncFileUtil::GetFileInfoCallback& callback, |
132 const base::PlatformFileInfo& file_info); | 132 const base::File::Info& file_info); |
133 | 133 |
134 // Called when GetFileInfo method call failed to get the details of file | 134 // Called when GetFileInfo method call failed to get the details of file |
135 // specified by the requested url. |callback| is invoked to notify the | 135 // specified by the requested url. |callback| is invoked to notify the |
136 // caller about the platform file |error|. | 136 // caller about the platform file |error|. |
137 void OnGetFileInfoError( | 137 void OnGetFileInfoError( |
138 const AsyncFileUtil::GetFileInfoCallback& callback, | 138 const AsyncFileUtil::GetFileInfoCallback& callback, |
139 base::PlatformFileError error); | 139 base::File::Error error); |
140 | 140 |
141 // Called when ReadDirectory method call succeeds. |callback| is invoked to | 141 // Called when ReadDirectory method call succeeds. |callback| is invoked to |
142 // complete the ReadDirectory request. | 142 // complete the ReadDirectory request. |
143 // | 143 // |
144 // If the contents of the given directory are reported in one batch, then | 144 // If the contents of the given directory are reported in one batch, then |
145 // |file_list| will have the list of all files/directories in the given | 145 // |file_list| will have the list of all files/directories in the given |
146 // directory and |has_more| will be false. | 146 // directory and |has_more| will be false. |
147 // | 147 // |
148 // If the contents of the given directory are reported in multiple chunks, | 148 // If the contents of the given directory are reported in multiple chunks, |
149 // |file_list| will have only a subset of all contents (the subsets reported | 149 // |file_list| will have only a subset of all contents (the subsets reported |
150 // in any two calls are disjoint), and |has_more| will be true, except for | 150 // in any two calls are disjoint), and |has_more| will be true, except for |
151 // the last chunk. | 151 // the last chunk. |
152 void OnDidReadDirectory( | 152 void OnDidReadDirectory( |
153 const AsyncFileUtil::ReadDirectoryCallback& callback, | 153 const AsyncFileUtil::ReadDirectoryCallback& callback, |
154 const AsyncFileUtil::EntryList& file_list, | 154 const AsyncFileUtil::EntryList& file_list, |
155 bool has_more); | 155 bool has_more); |
156 | 156 |
157 // Called when ReadDirectory method call failed to enumerate the directory | 157 // Called when ReadDirectory method call failed to enumerate the directory |
158 // objects. |callback| is invoked to notify the caller about the |error| | 158 // objects. |callback| is invoked to notify the caller about the |error| |
159 // that occured while reading the directory objects. | 159 // that occured while reading the directory objects. |
160 void OnReadDirectoryError( | 160 void OnReadDirectoryError( |
161 const AsyncFileUtil::ReadDirectoryCallback& callback, | 161 const AsyncFileUtil::ReadDirectoryCallback& callback, |
162 base::PlatformFileError error); | 162 base::File::Error error); |
163 | 163 |
164 // Called when the snapshot file specified by the |platform_path| is | 164 // Called when the snapshot file specified by the |platform_path| is |
165 // successfully created. |file_info| contains the device media file details | 165 // successfully created. |file_info| contains the device media file details |
166 // for which the snapshot file is created. | 166 // for which the snapshot file is created. |
167 void OnDidCreateSnapshotFile( | 167 void OnDidCreateSnapshotFile( |
168 const AsyncFileUtil::CreateSnapshotFileCallback& callback, | 168 const AsyncFileUtil::CreateSnapshotFileCallback& callback, |
169 base::SequencedTaskRunner* media_task_runner, | 169 base::SequencedTaskRunner* media_task_runner, |
170 const base::PlatformFileInfo& file_info, | 170 const base::File::Info& file_info, |
171 const base::FilePath& platform_path); | 171 const base::FilePath& platform_path); |
172 | 172 |
173 // Called after OnDidCreateSnapshotFile finishes media check. | 173 // Called after OnDidCreateSnapshotFile finishes media check. |
174 // |callback| is invoked to complete the CreateSnapshotFile request. | 174 // |callback| is invoked to complete the CreateSnapshotFile request. |
175 void OnDidCheckMedia( | 175 void OnDidCheckMedia( |
176 const AsyncFileUtil::CreateSnapshotFileCallback& callback, | 176 const AsyncFileUtil::CreateSnapshotFileCallback& callback, |
177 const base::PlatformFileInfo& file_info, | 177 const base::File::Info& file_info, |
178 scoped_refptr<webkit_blob::ShareableFileReference> platform_file, | 178 scoped_refptr<webkit_blob::ShareableFileReference> platform_file, |
179 base::PlatformFileError error); | 179 base::File::Error error); |
180 | 180 |
181 // The following three functions are called in sequence when we have a | 181 // The following three functions are called in sequence when we have a |
182 // streaming MTP implementation and don't need a local snapshot file to be | 182 // streaming MTP implementation and don't need a local snapshot file to be |
183 // created. | 183 // created. |
184 void GetHeaderBytesForMIMESniffing( | 184 void GetHeaderBytesForMIMESniffing( |
185 const fileapi::FileSystemURL& url, | 185 const fileapi::FileSystemURL& url, |
186 base::SequencedTaskRunner* media_task_runner, | 186 base::SequencedTaskRunner* media_task_runner, |
187 const AsyncFileUtil::CreateSnapshotFileCallback& callback, | 187 const AsyncFileUtil::CreateSnapshotFileCallback& callback, |
188 base::PlatformFileError error, | 188 base::File::Error error, |
189 const base::PlatformFileInfo& file_info); | 189 const base::File::Info& file_info); |
190 void FinishStreamingSnapshotFile( | 190 void FinishStreamingSnapshotFile( |
191 const fileapi::FileSystemURL& url, | 191 const fileapi::FileSystemURL& url, |
192 base::SequencedTaskRunner* media_task_runner, | 192 base::SequencedTaskRunner* media_task_runner, |
193 const AsyncFileUtil::CreateSnapshotFileCallback& callback, | 193 const AsyncFileUtil::CreateSnapshotFileCallback& callback, |
194 const base::PlatformFileInfo& file_info, | 194 const base::File::Info& file_info, |
195 net::IOBuffer* buffer, | 195 net::IOBuffer* buffer, |
196 int buffer_size); | 196 int buffer_size); |
197 | 197 |
198 // Called when CreateSnapshotFile method call fails. |callback| is invoked to | 198 // Called when CreateSnapshotFile method call fails. |callback| is invoked to |
199 // notify the caller about the |error|. | 199 // notify the caller about the |error|. |
200 void OnCreateSnapshotFileError( | 200 void OnCreateSnapshotFileError( |
201 const AsyncFileUtil::CreateSnapshotFileCallback& callback, | 201 const AsyncFileUtil::CreateSnapshotFileCallback& callback, |
202 base::PlatformFileError error); | 202 base::File::Error error); |
203 | 203 |
204 // Called when the snapshot file specified by the |snapshot_file_path| is | 204 // Called when the snapshot file specified by the |snapshot_file_path| is |
205 // created to hold the contents of the url.path(). If the snapshot | 205 // created to hold the contents of the url.path(). If the snapshot |
206 // file is successfully created, |snapshot_file_path| will be an non-empty | 206 // file is successfully created, |snapshot_file_path| will be an non-empty |
207 // file path. In case of failure, |snapshot_file_path| will be an empty file | 207 // file path. In case of failure, |snapshot_file_path| will be an empty file |
208 // path. Forwards the CreateSnapshot request to the delegate to copy the | 208 // path. Forwards the CreateSnapshot request to the delegate to copy the |
209 // contents of url.path() to |snapshot_file_path|. | 209 // contents of url.path() to |snapshot_file_path|. |
210 void OnSnapshotFileCreatedRunTask( | 210 void OnSnapshotFileCreatedRunTask( |
211 scoped_ptr<fileapi::FileSystemOperationContext> context, | 211 scoped_ptr<fileapi::FileSystemOperationContext> context, |
212 const AsyncFileUtil::CreateSnapshotFileCallback& callback, | 212 const AsyncFileUtil::CreateSnapshotFileCallback& callback, |
213 const fileapi::FileSystemURL& url, | 213 const fileapi::FileSystemURL& url, |
214 base::FilePath* snapshot_file_path); | 214 base::FilePath* snapshot_file_path); |
215 | 215 |
216 // Profile path. | 216 // Profile path. |
217 const base::FilePath profile_path_; | 217 const base::FilePath profile_path_; |
218 | 218 |
219 // For callbacks that may run after destruction. | 219 // For callbacks that may run after destruction. |
220 base::WeakPtrFactory<DeviceMediaAsyncFileUtil> weak_ptr_factory_; | 220 base::WeakPtrFactory<DeviceMediaAsyncFileUtil> weak_ptr_factory_; |
221 | 221 |
222 DISALLOW_COPY_AND_ASSIGN(DeviceMediaAsyncFileUtil); | 222 DISALLOW_COPY_AND_ASSIGN(DeviceMediaAsyncFileUtil); |
223 }; | 223 }; |
224 | 224 |
225 #endif // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_DEVICE_MEDIA_ASYNC_FILE_UTIL_H
_ | 225 #endif // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_DEVICE_MEDIA_ASYNC_FILE_UTIL_H
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