Move some classes out of webkit/glue/.

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_bytes_element_reader.h"
-#include "net/base/upload_data_stream.h"
-#include "net/base/upload_file_element_reader.h"
-#include "webkit/browser/blob/blob_storage_controller.h"
-#include "webkit/browser/fileapi/upload_file_system_file_element_reader.h"
-
-using webkit_blob::BlobData;
-using webkit_blob::BlobStorageController;
-
-namespace webkit_glue {
-
-namespace {
-
-// A subclass of net::UploadBytesElementReader which owns ResourceRequestBody.
-class BytesElementReader : public net::UploadBytesElementReader {
- public:
-  BytesElementReader(ResourceRequestBody* resource_request_body,
-                     const ResourceRequestBody::Element& element)
-      : net::UploadBytesElementReader(element.bytes(), element.length()),
-        resource_request_body_(resource_request_body) {
-    DCHECK_EQ(ResourceRequestBody::Element::TYPE_BYTES, element.type());
-  }
-
-  virtual ~BytesElementReader() {}
-
- private:
-  scoped_refptr<ResourceRequestBody> resource_request_body_;
-
-  DISALLOW_COPY_AND_ASSIGN(BytesElementReader);
-};
-
-// A subclass of net::UploadFileElementReader which owns ResourceRequestBody.
-// This class is necessary to ensure the BlobData and any attached shareable
-// files survive until upload completion.
-class FileElementReader : public net::UploadFileElementReader {
- public:
-  FileElementReader(ResourceRequestBody* resource_request_body,
-                    base::TaskRunner* task_runner,
-                    const ResourceRequestBody::Element& element)
-      : net::UploadFileElementReader(task_runner,
-                                     element.path(),
-                                     element.offset(),
-                                     element.length(),
-                                     element.expected_modification_time()),
-        resource_request_body_(resource_request_body) {
-    DCHECK_EQ(ResourceRequestBody::Element::TYPE_FILE, element.type());
-  }
-
-  virtual ~FileElementReader() {}
-
- private:
-  scoped_refptr<ResourceRequestBody> resource_request_body_;
-
-  DISALLOW_COPY_AND_ASSIGN(FileElementReader);
-};
-
-}  // namespace
-
-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 base::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);
-}
-
-void ResourceRequestBody::AppendFileSystemFileRange(
-    const GURL& url, uint64 offset, uint64 length,
-    const base::Time& expected_modification_time) {
-  elements_.push_back(Element());
-  elements_.back().SetToFileSystemUrlRange(url, offset, length,
-                                           expected_modification_time);
-}
-
-net::UploadDataStream*
-ResourceRequestBody::ResolveElementsAndCreateUploadDataStream(
-    BlobStorageController* blob_controller,
-    fileapi::FileSystemContext* file_system_context,
-    base::TaskRunner* file_task_runner) {
-  // Resolve all blob elements.
-  std::vector<const Element*> resolved_elements;
-  for (size_t i = 0; i < elements_.size(); ++i) {
-    const Element& element = elements_[i];
-    if (element.type() == Element::TYPE_BLOB) {
-      ResolveBlobReference(blob_controller, element.url(), &resolved_elements);
-    } else {
-      // No need to resolve, just append the element.
-      resolved_elements.push_back(&element);
-    }
-  }
-
-  ScopedVector<net::UploadElementReader> element_readers;
-  for (size_t i = 0; i < resolved_elements.size(); ++i) {
-    const Element& element = *resolved_elements[i];
-    switch (element.type()) {
-      case Element::TYPE_BYTES:
-        element_readers.push_back(new BytesElementReader(this, element));
-        break;
-      case Element::TYPE_FILE:
-        element_readers.push_back(
-            new FileElementReader(this, file_task_runner, element));
-        break;
-      case Element::TYPE_FILE_FILESYSTEM:
-        element_readers.push_back(
-            new fileapi::UploadFileSystemFileElementReader(
-                file_system_context,
-                element.url(),
-                element.offset(),
-                element.length(),
-                element.expected_modification_time()));
-        break;
-      case Element::TYPE_BLOB:
-        // Blob elements should be resolved beforehand.
-        NOTREACHED();
-        break;
-      case Element::TYPE_UNKNOWN:
-        NOTREACHED();
-        break;
-    }
-  }
-  return new net::UploadDataStream(&element_readers, identifier_);
-}
-
-ResourceRequestBody::~ResourceRequestBody() {}
-
-void ResourceRequestBody::ResolveBlobReference(
-    webkit_blob::BlobStorageController* blob_controller,
-    const GURL& blob_url,
-    std::vector<const Element*>* resolved_elements) {
-  DCHECK(blob_controller);
-  BlobData* blob_data = blob_controller->GetBlobDataFromUrl(blob_url);
-  DCHECK(blob_data);
-  if (!blob_data)
-    return;
-
-  // If there is no element in the referred blob data, just return.
-  if (blob_data->items().empty())
-    return;
-
-  // Ensure the blob and any attached shareable files survive until
-  // upload completion.
-  SetUserData(blob_data, new base::UserDataAdapter<BlobData>(blob_data));
-
-  // Append the elements in the referred blob data.
-  for (size_t i = 0; i < blob_data->items().size(); ++i) {
-    const BlobData::Item& item = blob_data->items().at(i);
-    DCHECK_NE(BlobData::Item::TYPE_BLOB, item.type());
-    resolved_elements->push_back(&item);
-  }
-}
-
-}  // namespace webkit_glue