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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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