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Side by Side Diff: webkit/browser/fileapi/file_writer_delegate.h

Issue 539143002: Migrate webkit/browser/ to storage/browser/ (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: fix android build Created 6 years, 3 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright 2014 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 WEBKIT_BROWSER_FILEAPI_FILE_WRITER_DELEGATE_H_ 5 #include "storage/browser/fileapi/file_writer_delegate.h"
6 #define WEBKIT_BROWSER_FILEAPI_FILE_WRITER_DELEGATE_H_
7
8 #include "base/files/file.h"
9 #include "base/files/file_path.h"
10 #include "base/memory/scoped_ptr.h"
11 #include "base/memory/weak_ptr.h"
12 #include "base/time/time.h"
13 #include "net/base/file_stream.h"
14 #include "net/base/io_buffer.h"
15 #include "net/url_request/url_request.h"
16 #include "webkit/browser/storage_browser_export.h"
17
18 namespace storage {
19
20 class FileStreamWriter;
21
22 class STORAGE_EXPORT_PRIVATE FileWriterDelegate
23 : public net::URLRequest::Delegate {
24 public:
25 enum FlushPolicy {
26 FLUSH_ON_COMPLETION,
27 NO_FLUSH_ON_COMPLETION,
28 };
29
30 enum WriteProgressStatus {
31 SUCCESS_IO_PENDING,
32 SUCCESS_COMPLETED,
33 ERROR_WRITE_STARTED,
34 ERROR_WRITE_NOT_STARTED,
35 };
36
37 typedef base::Callback<void(base::File::Error result,
38 int64 bytes,
39 WriteProgressStatus write_status)>
40 DelegateWriteCallback;
41
42 FileWriterDelegate(scoped_ptr<FileStreamWriter> file_writer,
43 FlushPolicy flush_policy);
44 virtual ~FileWriterDelegate();
45
46 void Start(scoped_ptr<net::URLRequest> request,
47 const DelegateWriteCallback& write_callback);
48
49 // Cancels the current write operation. This will synchronously or
50 // asynchronously call the given write callback (which may result in
51 // deleting this).
52 void Cancel();
53
54 virtual void OnReceivedRedirect(net::URLRequest* request,
55 const net::RedirectInfo& redirect_info,
56 bool* defer_redirect) OVERRIDE;
57 virtual void OnAuthRequired(net::URLRequest* request,
58 net::AuthChallengeInfo* auth_info) OVERRIDE;
59 virtual void OnCertificateRequested(
60 net::URLRequest* request,
61 net::SSLCertRequestInfo* cert_request_info) OVERRIDE;
62 virtual void OnSSLCertificateError(net::URLRequest* request,
63 const net::SSLInfo& ssl_info,
64 bool fatal) OVERRIDE;
65 virtual void OnResponseStarted(net::URLRequest* request) OVERRIDE;
66 virtual void OnReadCompleted(net::URLRequest* request,
67 int bytes_read) OVERRIDE;
68
69 private:
70 void OnGetFileInfoAndStartRequest(
71 scoped_ptr<net::URLRequest> request,
72 base::File::Error error,
73 const base::File::Info& file_info);
74 void Read();
75 void OnDataReceived(int bytes_read);
76 void Write();
77 void OnDataWritten(int write_response);
78 void OnError(base::File::Error error);
79 void OnProgress(int bytes_read, bool done);
80 void OnWriteCancelled(int status);
81 void MaybeFlushForCompletion(base::File::Error error,
82 int bytes_written,
83 WriteProgressStatus progress_status);
84 void OnFlushed(base::File::Error error,
85 int bytes_written,
86 WriteProgressStatus progress_status,
87 int flush_error);
88
89 WriteProgressStatus GetCompletionStatusOnError() const;
90
91 DelegateWriteCallback write_callback_;
92 scoped_ptr<FileStreamWriter> file_stream_writer_;
93 base::Time last_progress_event_time_;
94 bool writing_started_;
95 FlushPolicy flush_policy_;
96 int bytes_written_backlog_;
97 int bytes_written_;
98 int bytes_read_;
99 scoped_refptr<net::IOBufferWithSize> io_buffer_;
100 scoped_refptr<net::DrainableIOBuffer> cursor_;
101 scoped_ptr<net::URLRequest> request_;
102
103 base::WeakPtrFactory<FileWriterDelegate> weak_factory_;
104
105 DISALLOW_COPY_AND_ASSIGN(FileWriterDelegate);
106 };
107
108 } // namespace storage
109
110 #endif // WEBKIT_BROWSER_FILEAPI_FILE_WRITER_DELEGATE_H_
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