chrome/browser/chromeos/drive/file_system_backend_delegate.cc - Issue 148913005: Create fileapi/ subdirectory under c/b/cros/drive.

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Issue 148913005: Create fileapi/ subdirectory under c/b/cros/drive. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: Created 6 years, 10 months ago

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1 // Copyright 2013 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.

4

5 #include "chrome/browser/chromeos/drive/file_system_backend_delegate.h"

6

7 #include "base/bind.h"

8 #include "base/files/file_path.h"

9 #include "base/memory/scoped_ptr.h"

10 #include "chrome/browser/chromeos/drive/async_file_util.h"

11 #include "chrome/browser/chromeos/drive/file_system_util.h"

12 #include "chrome/browser/chromeos/drive/webkit_file_stream_reader_impl.h"

13 #include "chrome/browser/chromeos/drive/webkit_file_stream_writer_impl.h"

14 #include "chrome/browser/profiles/profile.h"

15 #include "content/public/browser/browser_context.h"

16 #include "content/public/browser/browser_thread.h"

17 #include "webkit/browser/blob/file_stream_reader.h"

18 #include "webkit/browser/fileapi/async_file_util.h"

19 #include "webkit/browser/fileapi/file_system_context.h"

20 #include "webkit/browser/fileapi/file_system_url.h"

21

22 using content::BrowserThread;

23

24 namespace drive {

25

26 FileSystemBackendDelegate::FileSystemBackendDelegate(

27 content::BrowserContext* browser_context)

28 : profile_id_(Profile::FromBrowserContext(browser_context)),

29 async_file_util_(new internal::AsyncFileUtil(

30 base::Bind(&util::GetFileSystemByProfileId, profile_id_))) {

31 DCHECK(profile_id_);

32 }

33

34 FileSystemBackendDelegate::~FileSystemBackendDelegate() {

35 }

36

37 fileapi::AsyncFileUtil* FileSystemBackendDelegate::GetAsyncFileUtil(

38 fileapi::FileSystemType type) {

39 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));

40 DCHECK_EQ(fileapi::kFileSystemTypeDrive, type);

41 return async_file_util_.get();

42 }

43

44 scoped_ptr<webkit_blob::FileStreamReader>

45 FileSystemBackendDelegate::CreateFileStreamReader(

46 const fileapi::FileSystemURL& url,

47 int64 offset,

48 const base::Time& expected_modification_time,

49 fileapi::FileSystemContext* context) {

50 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));

51 DCHECK_EQ(fileapi::kFileSystemTypeDrive, url.type());

52

53 base::FilePath file_path = util::ExtractDrivePathFromFileSystemUrl(url);

54 if (file_path.empty())

55 return scoped_ptr<webkit_blob::FileStreamReader>();

56

57 return scoped_ptr<webkit_blob::FileStreamReader>(

58 new internal::WebkitFileStreamReaderImpl(

59 base::Bind(&util::GetFileSystemByProfileId, profile_id_),

60 context->default_file_task_runner(),

61 file_path, offset, expected_modification_time));

62 }

63

64 scoped_ptr<fileapi::FileStreamWriter>

65 FileSystemBackendDelegate::CreateFileStreamWriter(

66 const fileapi::FileSystemURL& url,

67 int64 offset,

68 fileapi::FileSystemContext* context) {

69 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));

70 DCHECK_EQ(fileapi::kFileSystemTypeDrive, url.type());

71

72 base::FilePath file_path = util::ExtractDrivePathFromFileSystemUrl(url);

73 // Hosted documents don't support stream writer.

74 if (file_path.empty() \|\| util::HasGDocFileExtension(file_path))

75 return scoped_ptr<fileapi::FileStreamWriter>();

76

77 return scoped_ptr<fileapi::FileStreamWriter>(

78 new internal::WebkitFileStreamWriterImpl(

79 base::Bind(&util::GetFileSystemByProfileId, profile_id_),

80 context->default_file_task_runner(),file_path, offset));

81 }

82

83 } // namespace drive

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