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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 #include "webkit/fileapi/media/device_media_async_file_util.h" | 5 #include "webkit/fileapi/media/device_media_async_file_util.h" |
| 6 | 6 |
| 7 #include "base/callback.h" | 7 #include "base/callback.h" |
| 8 #include "base/file_util.h" | 8 #include "base/file_util.h" |
| 9 #include "base/single_thread_task_runner.h" | 9 #include "base/single_thread_task_runner.h" |
| 10 #include "webkit/fileapi/file_system_context.h" | 10 #include "webkit/fileapi/file_system_context.h" |
| 11 #include "webkit/fileapi/file_system_operation_context.h" | 11 #include "webkit/fileapi/file_system_operation_context.h" |
| 12 #include "webkit/fileapi/file_system_task_runners.h" | 12 #include "webkit/fileapi/file_system_task_runners.h" |
| 13 #include "webkit/fileapi/file_system_url.h" | 13 #include "webkit/fileapi/file_system_url.h" |
| 14 #include "webkit/fileapi/isolated_context.h" | 14 #include "webkit/fileapi/isolated_context.h" |
| 15 #include "webkit/fileapi/isolated_mount_point_provider.h" | |
| 16 #include "webkit/fileapi/media/filtering_file_enumerator.h" | 15 #include "webkit/fileapi/media/filtering_file_enumerator.h" |
| 16 #include "webkit/fileapi/media/media_file_system_mount_point_provider.h" |
| 17 #include "webkit/fileapi/media/media_path_filter.h" | 17 #include "webkit/fileapi/media/media_path_filter.h" |
| 18 #include "webkit/fileapi/media/mtp_device_async_delegate.h" | 18 #include "webkit/fileapi/media/mtp_device_async_delegate.h" |
| 19 #include "webkit/fileapi/media/mtp_device_map_service.h" | 19 #include "webkit/fileapi/media/mtp_device_map_service.h" |
| 20 | 20 |
| 21 namespace fileapi { | 21 namespace fileapi { |
| 22 | 22 |
| 23 namespace { | 23 namespace { |
| 24 | 24 |
| 25 const base::FilePath::CharType kDeviceMediaAsyncFileUtilTempDir[] = | 25 const base::FilePath::CharType kDeviceMediaAsyncFileUtilTempDir[] = |
| 26 FILE_PATH_LITERAL("DeviceMediaFileSystem"); | 26 FILE_PATH_LITERAL("DeviceMediaFileSystem"); |
| 27 | 27 |
| 28 // Returns true if the current thread is IO thread. | 28 // Returns true if the current thread is IO thread. |
| 29 bool IsOnIOThread(FileSystemOperationContext* context) { | 29 bool IsOnIOThread(FileSystemOperationContext* context) { |
| 30 return context->file_system_context()->task_runners()-> | 30 return context->file_system_context()->task_runners()-> |
| 31 io_task_runner()->RunsTasksOnCurrentThread(); | 31 io_task_runner()->RunsTasksOnCurrentThread(); |
| 32 } | 32 } |
| 33 | 33 |
| 34 // Called on the IO thread. | 34 // Called on the IO thread. |
| 35 MTPDeviceAsyncDelegate* GetMTPDeviceDelegate( | 35 MTPDeviceAsyncDelegate* GetMTPDeviceDelegate( |
| 36 FileSystemOperationContext* context) { | 36 FileSystemOperationContext* context) { |
| 37 DCHECK(IsOnIOThread(context)); | 37 DCHECK(IsOnIOThread(context)); |
| 38 return MTPDeviceMapService::GetInstance()->GetMTPDeviceAsyncDelegate( | 38 return MTPDeviceMapService::GetInstance()->GetMTPDeviceAsyncDelegate( |
| 39 context->GetUserValue<std::string>( | 39 context->GetUserValue<std::string>( |
| 40 IsolatedMountPointProvider::kMTPDeviceDelegateURLKey)); | 40 MediaFileSystemMountPointProvider::kMTPDeviceDelegateURLKey)); |
| 41 } | 41 } |
| 42 | 42 |
| 43 // Called on a blocking pool thread to create a snapshot file to hold the | 43 // Called on a blocking pool thread to create a snapshot file to hold the |
| 44 // contents of |device_file_path|. The snapshot file is created in | 44 // contents of |device_file_path|. The snapshot file is created in |
| 45 // "profile_path/kDeviceMediaAsyncFileUtilTempDir" directory. If the snapshot | 45 // "profile_path/kDeviceMediaAsyncFileUtilTempDir" directory. If the snapshot |
| 46 // file is created successfully, |snapshot_file_path| will be a non-empty file | 46 // file is created successfully, |snapshot_file_path| will be a non-empty file |
| 47 // path. In case of failure, the |snapshot_file_path| will be an empty file | 47 // path. In case of failure, the |snapshot_file_path| will be an empty file |
| 48 // path. | 48 // path. |
| 49 void CreateSnapshotFileOnBlockingPool( | 49 void CreateSnapshotFileOnBlockingPool( |
| 50 const base::FilePath& device_file_path, | 50 const base::FilePath& device_file_path, |
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| 341 *snapshot_file_path, | 341 *snapshot_file_path, |
| 342 base::Bind(&DeviceMediaAsyncFileUtil::OnDidCreateSnapshotFile, | 342 base::Bind(&DeviceMediaAsyncFileUtil::OnDidCreateSnapshotFile, |
| 343 weak_ptr_factory_.GetWeakPtr(), | 343 weak_ptr_factory_.GetWeakPtr(), |
| 344 callback), | 344 callback), |
| 345 base::Bind(&DeviceMediaAsyncFileUtil::OnCreateSnapshotFileError, | 345 base::Bind(&DeviceMediaAsyncFileUtil::OnCreateSnapshotFileError, |
| 346 weak_ptr_factory_.GetWeakPtr(), | 346 weak_ptr_factory_.GetWeakPtr(), |
| 347 callback)); | 347 callback)); |
| 348 } | 348 } |
| 349 | 349 |
| 350 } // namespace fileapi | 350 } // namespace fileapi |
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