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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 WEBKIT_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_H_ | 5 #ifndef WEBKIT_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_H_ |
6 #define WEBKIT_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_H_ | 6 #define WEBKIT_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 | 9 |
10 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
11 #include "base/memory/weak_ptr.h" | 11 #include "base/memory/weak_ptr.h" |
12 #include "net/http/http_byte_range.h" | 12 #include "net/http/http_byte_range.h" |
13 #include "net/http/http_status_code.h" | 13 #include "net/http/http_status_code.h" |
14 #include "net/url_request/url_request_job.h" | 14 #include "net/url_request/url_request_job.h" |
15 #include "webkit/browser/webkit_storage_browser_export.h" | 15 #include "storage/common/storage_export.h" |
16 #include "webkit/common/blob/blob_data.h" | 16 #include "storage/common/blob/blob_data.h" |
17 | 17 |
18 namespace base { | 18 namespace base { |
19 class MessageLoopProxy; | 19 class MessageLoopProxy; |
20 } | 20 } |
21 | 21 |
22 namespace fileapi { | 22 namespace storage { |
23 class FileSystemContext; | 23 class FileSystemContext; |
24 } | 24 } |
25 | 25 |
26 namespace net { | 26 namespace net { |
27 class DrainableIOBuffer; | 27 class DrainableIOBuffer; |
28 class IOBuffer; | 28 class IOBuffer; |
29 } | 29 } |
30 | 30 |
31 namespace webkit_blob { | 31 namespace storage { |
32 | 32 |
33 class FileStreamReader; | 33 class FileStreamReader; |
34 | 34 |
35 // A request job that handles reading blob URLs. | 35 // A request job that handles reading blob URLs. |
36 class WEBKIT_STORAGE_BROWSER_EXPORT BlobURLRequestJob | 36 class STORAGE_EXPORT BlobURLRequestJob : public net::URLRequestJob { |
37 : public net::URLRequestJob { | |
38 public: | 37 public: |
39 BlobURLRequestJob(net::URLRequest* request, | 38 BlobURLRequestJob(net::URLRequest* request, |
40 net::NetworkDelegate* network_delegate, | 39 net::NetworkDelegate* network_delegate, |
41 BlobData* blob_data, | 40 BlobData* blob_data, |
42 fileapi::FileSystemContext* file_system_context, | 41 storage::FileSystemContext* file_system_context, |
43 base::MessageLoopProxy* resolving_message_loop_proxy); | 42 base::MessageLoopProxy* resolving_message_loop_proxy); |
44 | 43 |
45 // net::URLRequestJob methods. | 44 // net::URLRequestJob methods. |
46 virtual void Start() OVERRIDE; | 45 virtual void Start() OVERRIDE; |
47 virtual void Kill() OVERRIDE; | 46 virtual void Kill() OVERRIDE; |
48 virtual bool ReadRawData(net::IOBuffer* buf, | 47 virtual bool ReadRawData(net::IOBuffer* buf, |
49 int buf_size, | 48 int buf_size, |
50 int* bytes_read) OVERRIDE; | 49 int* bytes_read) OVERRIDE; |
51 virtual bool GetMimeType(std::string* mime_type) const OVERRIDE; | 50 virtual bool GetMimeType(std::string* mime_type) const OVERRIDE; |
52 virtual void GetResponseInfo(net::HttpResponseInfo* info) OVERRIDE; | 51 virtual void GetResponseInfo(net::HttpResponseInfo* info) OVERRIDE; |
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91 // Returns a FileStreamReader for a blob item at |index|. | 90 // Returns a FileStreamReader for a blob item at |index|. |
92 // If the item at |index| is not of file this returns NULL. | 91 // If the item at |index| is not of file this returns NULL. |
93 FileStreamReader* GetFileStreamReader(size_t index); | 92 FileStreamReader* GetFileStreamReader(size_t index); |
94 | 93 |
95 // Creates a FileStreamReader for the item at |index| with additional_offset. | 94 // Creates a FileStreamReader for the item at |index| with additional_offset. |
96 void CreateFileStreamReader(size_t index, int64 additional_offset); | 95 void CreateFileStreamReader(size_t index, int64 additional_offset); |
97 | 96 |
98 scoped_refptr<BlobData> blob_data_; | 97 scoped_refptr<BlobData> blob_data_; |
99 | 98 |
100 // Variables for controlling read from |blob_data_|. | 99 // Variables for controlling read from |blob_data_|. |
101 scoped_refptr<fileapi::FileSystemContext> file_system_context_; | 100 scoped_refptr<storage::FileSystemContext> file_system_context_; |
102 scoped_refptr<base::MessageLoopProxy> file_thread_proxy_; | 101 scoped_refptr<base::MessageLoopProxy> file_thread_proxy_; |
103 std::vector<int64> item_length_list_; | 102 std::vector<int64> item_length_list_; |
104 int64 total_size_; | 103 int64 total_size_; |
105 int64 remaining_bytes_; | 104 int64 remaining_bytes_; |
106 int pending_get_file_info_count_; | 105 int pending_get_file_info_count_; |
107 IndexToReaderMap index_to_reader_; | 106 IndexToReaderMap index_to_reader_; |
108 size_t current_item_index_; | 107 size_t current_item_index_; |
109 int64 current_item_offset_; | 108 int64 current_item_offset_; |
110 | 109 |
111 // Holds the buffer for read data with the IOBuffer interface. | 110 // Holds the buffer for read data with the IOBuffer interface. |
112 scoped_refptr<net::DrainableIOBuffer> read_buf_; | 111 scoped_refptr<net::DrainableIOBuffer> read_buf_; |
113 | 112 |
114 // Is set when NotifyFailure() is called and reset when DidStart is called. | 113 // Is set when NotifyFailure() is called and reset when DidStart is called. |
115 bool error_; | 114 bool error_; |
116 | 115 |
117 bool byte_range_set_; | 116 bool byte_range_set_; |
118 net::HttpByteRange byte_range_; | 117 net::HttpByteRange byte_range_; |
119 | 118 |
120 scoped_ptr<net::HttpResponseInfo> response_info_; | 119 scoped_ptr<net::HttpResponseInfo> response_info_; |
121 | 120 |
122 base::WeakPtrFactory<BlobURLRequestJob> weak_factory_; | 121 base::WeakPtrFactory<BlobURLRequestJob> weak_factory_; |
123 | 122 |
124 DISALLOW_COPY_AND_ASSIGN(BlobURLRequestJob); | 123 DISALLOW_COPY_AND_ASSIGN(BlobURLRequestJob); |
125 }; | 124 }; |
126 | 125 |
127 } // namespace webkit_blob | 126 } // namespace storage |
128 | 127 |
129 #endif // WEBKIT_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_H_ | 128 #endif // WEBKIT_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_H_ |
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