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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 | 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 "storage/browser/blob/blob_data_snapshot.h" | 15 #include "storage/browser/blob/blob_data_snapshot.h" |
16 #include "storage/browser/storage_browser_export.h" | 16 #include "storage/browser/storage_browser_export.h" |
17 | 17 |
18 namespace base { | 18 namespace base { |
19 class MessageLoopProxy; | 19 class SingleThreadTaskRunner; |
20 } | 20 } |
21 | 21 |
22 namespace storage { | 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 storage { | 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 STORAGE_EXPORT BlobURLRequestJob | 36 class STORAGE_EXPORT BlobURLRequestJob |
37 : public net::URLRequestJob { | 37 : public net::URLRequestJob { |
38 public: | 38 public: |
39 BlobURLRequestJob(net::URLRequest* request, | 39 BlobURLRequestJob(net::URLRequest* request, |
40 net::NetworkDelegate* network_delegate, | 40 net::NetworkDelegate* network_delegate, |
41 scoped_ptr<BlobDataSnapshot> blob_data, | 41 scoped_ptr<BlobDataSnapshot> blob_data, |
42 storage::FileSystemContext* file_system_context, | 42 storage::FileSystemContext* file_system_context, |
43 base::MessageLoopProxy* resolving_message_loop_proxy); | 43 base::SingleThreadTaskRunner* resolving_thread_task_runner); |
44 | 44 |
45 // net::URLRequestJob methods. | 45 // net::URLRequestJob methods. |
46 void Start() override; | 46 void Start() override; |
47 void Kill() override; | 47 void Kill() override; |
48 bool ReadRawData(net::IOBuffer* buf, int buf_size, int* bytes_read) override; | 48 bool ReadRawData(net::IOBuffer* buf, int buf_size, int* bytes_read) override; |
49 bool GetMimeType(std::string* mime_type) const override; | 49 bool GetMimeType(std::string* mime_type) const override; |
50 void GetResponseInfo(net::HttpResponseInfo* info) override; | 50 void GetResponseInfo(net::HttpResponseInfo* info) override; |
51 int GetResponseCode() const override; | 51 int GetResponseCode() const override; |
52 void SetExtraRequestHeaders(const net::HttpRequestHeaders& headers) override; | 52 void SetExtraRequestHeaders(const net::HttpRequestHeaders& headers) override; |
53 | 53 |
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89 // If the item at |index| is not of file this returns NULL. | 89 // If the item at |index| is not of file this returns NULL. |
90 FileStreamReader* GetFileStreamReader(size_t index); | 90 FileStreamReader* GetFileStreamReader(size_t index); |
91 | 91 |
92 // Creates a FileStreamReader for the item at |index| with additional_offset. | 92 // Creates a FileStreamReader for the item at |index| with additional_offset. |
93 void CreateFileStreamReader(size_t index, int64 additional_offset); | 93 void CreateFileStreamReader(size_t index, int64 additional_offset); |
94 | 94 |
95 scoped_ptr<BlobDataSnapshot> blob_data_; | 95 scoped_ptr<BlobDataSnapshot> blob_data_; |
96 | 96 |
97 // Variables for controlling read from |blob_data_|. | 97 // Variables for controlling read from |blob_data_|. |
98 scoped_refptr<storage::FileSystemContext> file_system_context_; | 98 scoped_refptr<storage::FileSystemContext> file_system_context_; |
99 scoped_refptr<base::MessageLoopProxy> file_thread_proxy_; | 99 scoped_refptr<base::SingleThreadTaskRunner> file_task_runner_; |
100 std::vector<int64> item_length_list_; | 100 std::vector<int64> item_length_list_; |
101 int64 total_size_; | 101 int64 total_size_; |
102 int64 remaining_bytes_; | 102 int64 remaining_bytes_; |
103 int pending_get_file_info_count_; | 103 int pending_get_file_info_count_; |
104 IndexToReaderMap index_to_reader_; | 104 IndexToReaderMap index_to_reader_; |
105 size_t current_item_index_; | 105 size_t current_item_index_; |
106 int64 current_item_offset_; | 106 int64 current_item_offset_; |
107 | 107 |
108 // Holds the buffer for read data with the IOBuffer interface. | 108 // Holds the buffer for read data with the IOBuffer interface. |
109 scoped_refptr<net::DrainableIOBuffer> read_buf_; | 109 scoped_refptr<net::DrainableIOBuffer> read_buf_; |
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120 scoped_ptr<net::HttpResponseInfo> response_info_; | 120 scoped_ptr<net::HttpResponseInfo> response_info_; |
121 | 121 |
122 base::WeakPtrFactory<BlobURLRequestJob> weak_factory_; | 122 base::WeakPtrFactory<BlobURLRequestJob> weak_factory_; |
123 | 123 |
124 DISALLOW_COPY_AND_ASSIGN(BlobURLRequestJob); | 124 DISALLOW_COPY_AND_ASSIGN(BlobURLRequestJob); |
125 }; | 125 }; |
126 | 126 |
127 } // namespace storage | 127 } // namespace storage |
128 | 128 |
129 #endif // STORAGE_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_H_ | 129 #endif // STORAGE_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_H_ |
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