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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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