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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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_FACTORY_H_ | 5 #ifndef STORAGE_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_FACTORY_H_ |
6 #define STORAGE_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_FACTORY_H_ | 6 #define STORAGE_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_FACTORY_H_ |
7 | 7 |
8 #include "base/compiler_specific.h" | 8 #include "base/compiler_specific.h" |
9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
10 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
11 #include "net/url_request/url_request.h" | 11 #include "net/url_request/url_request.h" |
12 #include "net/url_request/url_request_job_factory.h" | 12 #include "net/url_request/url_request_job_factory.h" |
13 #include "storage/browser/storage_browser_export.h" | 13 #include "storage/browser/storage_browser_export.h" |
14 | 14 |
15 namespace base { | 15 namespace base { |
16 class SingleThreadTaskRunner; | 16 class SingleThreadTaskRunner; |
17 } // namespace base | 17 } // namespace base |
18 | 18 |
19 namespace storage { | 19 namespace storage { |
20 class FileSystemContext; | 20 class FileSystemContext; |
21 } // namespace storage | 21 } // namespace storage |
22 | 22 |
23 namespace net { | 23 namespace net { |
24 class URLRequestContext; | 24 class URLRequestContext; |
25 } // namespace net | 25 } // namespace net |
26 | 26 |
27 namespace storage { | 27 namespace storage { |
28 | 28 |
| 29 class BlobDataSnapshot; |
29 class BlobDataHandle; | 30 class BlobDataHandle; |
30 class BlobStorageContext; | 31 class BlobStorageContext; |
31 | 32 |
32 class STORAGE_EXPORT BlobProtocolHandler | 33 class STORAGE_EXPORT BlobProtocolHandler |
33 : public net::URLRequestJobFactory::ProtocolHandler { | 34 : public net::URLRequestJobFactory::ProtocolHandler { |
34 public: | 35 public: |
35 // A helper to manufacture an URLRequest to retrieve the given blob. | 36 // A helper to manufacture an URLRequest to retrieve the given blob. |
36 static scoped_ptr<net::URLRequest> CreateBlobRequest( | 37 static scoped_ptr<net::URLRequest> CreateBlobRequest( |
37 scoped_ptr<BlobDataHandle> blob_data_handle, | 38 scoped_ptr<BlobDataHandle> blob_data_handle, |
38 const net::URLRequestContext* request_context, | 39 const net::URLRequestContext* request_context, |
39 net::URLRequest::Delegate* request_delegate); | 40 net::URLRequest::Delegate* request_delegate); |
40 | 41 |
41 // This class ignores the request's URL and uses the value given | 42 // This class ignores the request's URL and uses the value given |
42 // to SetRequestedBlobDataHandle instead. | 43 // to SetRequestedBlobDataHandle instead. |
43 static void SetRequestedBlobDataHandle( | 44 static void SetRequestedBlobDataHandle( |
44 net::URLRequest* request, | 45 net::URLRequest* request, |
45 scoped_ptr<BlobDataHandle> blob_data_handle); | 46 scoped_ptr<BlobDataHandle> blob_data_handle); |
46 | 47 |
47 // This gets the handle on the request if it exists. | |
48 static BlobDataHandle* GetRequestBlobDataHandle(net::URLRequest* request); | |
49 | |
50 BlobProtocolHandler( | 48 BlobProtocolHandler( |
51 BlobStorageContext* context, | 49 BlobStorageContext* context, |
52 storage::FileSystemContext* file_system_context, | 50 storage::FileSystemContext* file_system_context, |
53 const scoped_refptr<base::SingleThreadTaskRunner>& file_task_runner); | 51 const scoped_refptr<base::SingleThreadTaskRunner>& file_task_runner); |
54 ~BlobProtocolHandler() override; | 52 ~BlobProtocolHandler() override; |
55 | 53 |
56 net::URLRequestJob* MaybeCreateJob( | 54 net::URLRequestJob* MaybeCreateJob( |
57 net::URLRequest* request, | 55 net::URLRequest* request, |
58 net::NetworkDelegate* network_delegate) const override; | 56 net::NetworkDelegate* network_delegate) const override; |
59 | 57 |
60 private: | 58 private: |
61 BlobDataHandle* LookupBlobHandle(net::URLRequest* request) const; | 59 scoped_ptr<BlobDataSnapshot> LookupBlobData(net::URLRequest* request) const; |
62 | 60 |
63 base::WeakPtr<BlobStorageContext> context_; | 61 base::WeakPtr<BlobStorageContext> context_; |
64 const scoped_refptr<storage::FileSystemContext> file_system_context_; | 62 const scoped_refptr<storage::FileSystemContext> file_system_context_; |
65 const scoped_refptr<base::SingleThreadTaskRunner> file_task_runner_; | 63 const scoped_refptr<base::SingleThreadTaskRunner> file_task_runner_; |
66 | 64 |
67 DISALLOW_COPY_AND_ASSIGN(BlobProtocolHandler); | 65 DISALLOW_COPY_AND_ASSIGN(BlobProtocolHandler); |
68 }; | 66 }; |
69 | 67 |
70 } // namespace storage | 68 } // namespace storage |
71 | 69 |
72 #endif // STORAGE_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_FACTORY_H_ | 70 #endif // STORAGE_BROWSER_BLOB_BLOB_URL_REQUEST_JOB_FACTORY_H_ |
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