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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 STORAGE_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_H_ | 5 #ifndef STORAGE_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_H_ |
6 #define STORAGE_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_H_ | 6 #define STORAGE_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
| 9 #include <vector> |
9 | 10 |
10 #include "base/memory/scoped_ptr.h" | 11 #include "base/memory/scoped_ptr.h" |
11 #include "base/memory/weak_ptr.h" | 12 #include "base/memory/weak_ptr.h" |
12 #include "net/http/http_byte_range.h" | 13 #include "net/http/http_byte_range.h" |
13 #include "net/http/http_status_code.h" | 14 #include "net/http/http_status_code.h" |
14 #include "net/url_request/url_request_job.h" | 15 #include "net/url_request/url_request_job.h" |
15 #include "storage/browser/blob/blob_data_snapshot.h" | 16 #include "storage/browser/blob/blob_data_snapshot.h" |
16 #include "storage/browser/storage_browser_export.h" | 17 #include "storage/browser/storage_browser_export.h" |
17 | 18 |
18 namespace base { | 19 namespace base { |
19 class SingleThreadTaskRunner; | 20 class SingleThreadTaskRunner; |
20 } | 21 } |
21 | 22 |
22 namespace storage { | |
23 class FileSystemContext; | |
24 } | |
25 | |
26 namespace net { | 23 namespace net { |
27 class DrainableIOBuffer; | 24 class DrainableIOBuffer; |
28 class IOBuffer; | 25 class IOBuffer; |
29 } | 26 } |
30 | 27 |
31 namespace storage { | 28 namespace storage { |
32 | 29 |
33 class FileStreamReader; | 30 class FileStreamReader; |
| 31 class FileSystemContext; |
34 | 32 |
35 // A request job that handles reading blob URLs. | 33 // A request job that handles reading blob URLs. |
36 class STORAGE_EXPORT BlobURLRequestJob | 34 class STORAGE_EXPORT BlobURLRequestJob |
37 : public net::URLRequestJob { | 35 : public net::URLRequestJob { |
38 public: | 36 public: |
39 BlobURLRequestJob(net::URLRequest* request, | 37 BlobURLRequestJob(net::URLRequest* request, |
40 net::NetworkDelegate* network_delegate, | 38 net::NetworkDelegate* network_delegate, |
41 scoped_ptr<BlobDataSnapshot> blob_data, | 39 scoped_ptr<BlobDataSnapshot> blob_data, |
42 storage::FileSystemContext* file_system_context, | 40 storage::FileSystemContext* file_system_context, |
43 base::SingleThreadTaskRunner* resolving_thread_task_runner); | 41 base::SingleThreadTaskRunner* resolving_thread_task_runner); |
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64 void DidCountSize(int error); | 62 void DidCountSize(int error); |
65 void DidGetFileItemLength(size_t index, int64 result); | 63 void DidGetFileItemLength(size_t index, int64 result); |
66 void Seek(int64 offset); | 64 void Seek(int64 offset); |
67 | 65 |
68 // For reading the blob. | 66 // For reading the blob. |
69 bool ReadLoop(int* bytes_read); | 67 bool ReadLoop(int* bytes_read); |
70 bool ReadItem(); | 68 bool ReadItem(); |
71 void AdvanceItem(); | 69 void AdvanceItem(); |
72 void AdvanceBytesRead(int result); | 70 void AdvanceBytesRead(int result); |
73 bool ReadBytesItem(const BlobDataItem& item, int bytes_to_read); | 71 bool ReadBytesItem(const BlobDataItem& item, int bytes_to_read); |
| 72 |
74 bool ReadFileItem(FileStreamReader* reader, int bytes_to_read); | 73 bool ReadFileItem(FileStreamReader* reader, int bytes_to_read); |
75 | |
76 void DidReadFile(int chunk_number, int result); | 74 void DidReadFile(int chunk_number, int result); |
77 void DeleteCurrentFileReader(); | 75 void DeleteCurrentFileReader(); |
78 | 76 |
| 77 bool ReadDiskCacheEntryItem(const BlobDataItem& item, int bytes_to_read); |
| 78 void DidReadDiskCacheEntry(int result); |
| 79 |
79 int ComputeBytesToRead() const; | 80 int ComputeBytesToRead() const; |
80 int BytesReadCompleted(); | 81 int BytesReadCompleted(); |
81 | 82 |
82 // These methods convert the result of blob data reading into response headers | 83 // These methods convert the result of blob data reading into response headers |
83 // and pass it to URLRequestJob's NotifyDone() or NotifyHeadersComplete(). | 84 // and pass it to URLRequestJob's NotifyDone() or NotifyHeadersComplete(). |
84 void NotifySuccess(); | 85 void NotifySuccess(); |
85 void NotifyFailure(int); | 86 void NotifyFailure(int); |
86 void HeadersCompleted(net::HttpStatusCode status_code); | 87 void HeadersCompleted(net::HttpStatusCode status_code); |
87 | 88 |
88 // Returns a FileStreamReader for a blob item at |index|. | 89 // Returns a FileStreamReader for a blob item at |index|. |
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121 scoped_ptr<net::HttpResponseInfo> response_info_; | 122 scoped_ptr<net::HttpResponseInfo> response_info_; |
122 | 123 |
123 base::WeakPtrFactory<BlobURLRequestJob> weak_factory_; | 124 base::WeakPtrFactory<BlobURLRequestJob> weak_factory_; |
124 | 125 |
125 DISALLOW_COPY_AND_ASSIGN(BlobURLRequestJob); | 126 DISALLOW_COPY_AND_ASSIGN(BlobURLRequestJob); |
126 }; | 127 }; |
127 | 128 |
128 } // namespace storage | 129 } // namespace storage |
129 | 130 |
130 #endif // STORAGE_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_H_ | 131 #endif // STORAGE_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_H_ |
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