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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef WEBKIT_GLUE_RESOURCE_REQUEST_BODY_H_ | |
6 #define WEBKIT_GLUE_RESOURCE_REQUEST_BODY_H_ | |
7 | |
8 #include <vector> | |
9 | |
10 #include "base/basictypes.h" | |
11 #include "base/memory/ref_counted.h" | |
12 #include "base/supports_user_data.h" | |
13 #include "webkit/base/data_element.h" | |
14 #include "webkit/glue/webkit_glue_export.h" | |
15 | |
16 namespace base { | |
17 class FilePath; | |
18 class TaskRunner; | |
19 } | |
20 | |
21 namespace fileapi { | |
22 class FileSystemContext; | |
23 } | |
24 | |
25 namespace net { | |
26 class UploadDataStream; | |
27 } | |
28 | |
29 namespace webkit_blob { | |
30 class BlobStorageController; | |
31 } | |
32 | |
33 namespace webkit_glue { | |
34 | |
35 // A struct used to represent upload data. The data field is populated by | |
36 // WebURLLoader from the data given as WebHTTPBody. | |
37 class WEBKIT_GLUE_EXPORT ResourceRequestBody | |
38 : public base::RefCounted<ResourceRequestBody>, | |
39 public base::SupportsUserData { | |
40 public: | |
41 typedef webkit_base::DataElement Element; | |
42 | |
43 ResourceRequestBody(); | |
44 | |
45 void AppendBytes(const char* bytes, int bytes_len); | |
46 void AppendFileRange(const base::FilePath& file_path, | |
47 uint64 offset, uint64 length, | |
48 const base::Time& expected_modification_time); | |
49 void AppendBlob(const GURL& blob_url); | |
50 void AppendFileSystemFileRange(const GURL& url, uint64 offset, uint64 length, | |
51 const base::Time& expected_modification_time); | |
52 | |
53 // Creates a new UploadDataStream from this request body. This also resolves | |
54 // any blob references using given |blob_controller|. |file_system_context| is | |
55 // used to create FileStreamReader for files with filesystem URLs. | |
56 // |file_task_runner| is used to perform file operations when the data gets | |
57 // uploaded. | |
58 net::UploadDataStream* ResolveElementsAndCreateUploadDataStream( | |
59 webkit_blob::BlobStorageController* blob_controller, | |
60 fileapi::FileSystemContext* file_system_context, | |
61 base::TaskRunner* file_task_runner); | |
62 | |
63 const std::vector<Element>* elements() const { return &elements_; } | |
64 std::vector<Element>* elements_mutable() { return &elements_; } | |
65 void swap_elements(std::vector<Element>* elements) { | |
66 elements_.swap(*elements); | |
67 } | |
68 | |
69 // Identifies a particular upload instance, which is used by the cache to | |
70 // formulate a cache key. This value should be unique across browser | |
71 // sessions. A value of 0 is used to indicate an unspecified identifier. | |
72 void set_identifier(int64 id) { identifier_ = id; } | |
73 int64 identifier() const { return identifier_; } | |
74 | |
75 private: | |
76 friend class base::RefCounted<ResourceRequestBody>; | |
77 virtual ~ResourceRequestBody(); | |
78 | |
79 // Resolves the |blob_url| using |blob_controller| and appends resolved | |
80 // items to |resolved_elements|. | |
81 void ResolveBlobReference(webkit_blob::BlobStorageController* blob_controller, | |
82 const GURL& blob_url, | |
83 std::vector<const Element*>* resolved_elements); | |
84 | |
85 std::vector<Element> elements_; | |
86 int64 identifier_; | |
87 | |
88 DISALLOW_COPY_AND_ASSIGN(ResourceRequestBody); | |
89 }; | |
90 | |
91 } // namespace webkit_glue | |
92 | |
93 #endif // WEBKIT_GLUE_RESOURCE_REQUEST_BODY_H_ | |
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