Split net::UploadData into two: for IPC and for upload handling

webkit/glue/resource_request_body.cc

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "webkit/glue/resource_request_body.h"
+
+#include "base/logging.h"
+#include "net/base/upload_data.h"
+
+namespace webkit_glue {
+
+ResourceRequestBody::Element::Element()
+    : type_(TYPE_BYTES),
+      bytes_start_(NULL),
+      bytes_length_(0),
+      file_range_offset_(0),
+      file_range_length_(kuint64max) {
+}
+
+ResourceRequestBody::Element::~Element() {}
+
+ResourceRequestBody::ResourceRequestBody() : identifier_(0) {}
+
+void ResourceRequestBody::AppendBytes(const char* bytes, int bytes_len) {
+  if (bytes_len > 0) {
+    elements_.push_back(Element());
+    elements_.back().SetToBytes(bytes, bytes_len);
+  }
+}
+
+void ResourceRequestBody::AppendFileRange(
+    const FilePath& file_path,
+    uint64 offset, uint64 length,
+    const base::Time& expected_modification_time) {
+  elements_.push_back(Element());
+  elements_.back().SetToFilePathRange(file_path, offset, length,
+                                      expected_modification_time);
+}
+
+void ResourceRequestBody::AppendBlob(const GURL& blob_url) {
+  elements_.push_back(Element());
+  elements_.back().SetToBlobUrl(blob_url);
+}
+
+net::UploadData* ResourceRequestBody::CreateUploadData() {
+  net::UploadData* upload_data = new net::UploadData;
+  // We attach 'this' to UploadData so that we do not need to copy
+  // bytes for TYPE_BYTES.
+  upload_data->SetUserData(
+      this, new base::UserDataAdapter<ResourceRequestBody>(this));
+  std::vector<net::UploadData::Element>* uploads =
+      upload_data->elements_mutable();
+  for (size_t i = 0; i < elements_.size(); ++i) {
+    const Element& element = elements_[i];
+    if (element.type() == TYPE_BYTES) {
+      uploads->push_back(net::UploadData::Element());
+      uploads->back().SetToSharedBytes(element.bytes(),
+                                       element.bytes_length());
+      continue;
+    }
+
+    DCHECK(element.type() == TYPE_FILE);
+    uploads->push_back(net::UploadData::Element());
+    uploads->back().SetToFilePathRange(
+        element.file_path(),
+        element.file_range_offset(),
+        element.file_range_length(),
+        element.expected_file_modification_time());
+  }
+  upload_data->set_identifier(identifier_);
+  return upload_data;
+}
+
+ResourceRequestBody::~ResourceRequestBody() {}
+
+}  // namespace webkit_glue