Refactor the URLResponseInfo to use new design

webkit/plugins/ppapi/ppb_url_response_info_impl.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/plugins/ppapi/ppb_url_response_info_impl.h"
-
-#include "base/logging.h"
-#include "ppapi/c/pp_var.h"
-#include "ppapi/shared_impl/var.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebHTTPHeaderVisitor.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebURL.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebURLResponse.h"
-#include "webkit/base/file_path_string_conversions.h"
-#include "webkit/plugins/ppapi/common.h"
-#include "webkit/plugins/ppapi/ppapi_plugin_instance.h"
-#include "webkit/plugins/ppapi/ppb_file_ref_impl.h"
-#include "webkit/plugins/ppapi/resource_helper.h"
-
-using ppapi::StringVar;
-using ppapi::thunk::PPB_URLResponseInfo_API;
-using WebKit::WebHTTPHeaderVisitor;
-using WebKit::WebString;
-using WebKit::WebURLResponse;
-
-namespace webkit {
-namespace ppapi {
-
-namespace {
-
-class HeaderFlattener : public WebHTTPHeaderVisitor {
- public:
-  const std::string& buffer() const { return buffer_; }
-
-  virtual void visitHeader(const WebString& name, const WebString& value) {
-    if (!buffer_.empty())
-      buffer_.append("\n");
-    buffer_.append(name.utf8());
-    buffer_.append(": ");
-    buffer_.append(value.utf8());
-  }
-
- private:
-  std::string buffer_;
-};
-
-bool IsRedirect(int32_t status) {
-  return status >= 300 && status <= 399;
-}
-
-}  // namespace
-
-PPB_URLResponseInfo_Impl::PPB_URLResponseInfo_Impl(PP_Instance instance)
-    : Resource(::ppapi::OBJECT_IS_IMPL, instance),
-      status_code_(-1) {
-}
-
-PPB_URLResponseInfo_Impl::~PPB_URLResponseInfo_Impl() {
-}
-
-bool PPB_URLResponseInfo_Impl::Initialize(const WebURLResponse& response) {
-  url_ = response.url().spec();
-  status_code_ = response.httpStatusCode();
-  status_text_ = response.httpStatusText().utf8();
-  if (IsRedirect(status_code_)) {
-    redirect_url_ = response.httpHeaderField(
-        WebString::fromUTF8("Location")).utf8();
-  }
-
-  HeaderFlattener flattener;
-  response.visitHTTPHeaderFields(&flattener);
-  headers_ = flattener.buffer();
-
-  WebString file_path = response.downloadFilePath();
-  if (!file_path.isEmpty()) {
-    body_ = PPB_FileRef_Impl::CreateExternal(
-        pp_instance(),
-        webkit_base::WebStringToFilePath(file_path),
-        std::string());
-  }
-  return true;
-}
-
-PPB_URLResponseInfo_API* PPB_URLResponseInfo_Impl::AsPPB_URLResponseInfo_API() {
-  return this;
-}
-
-PP_Var PPB_URLResponseInfo_Impl::GetProperty(PP_URLResponseProperty property) {
-  switch (property) {
-    case PP_URLRESPONSEPROPERTY_URL:
-      return StringVar::StringToPPVar(url_);
-    case PP_URLRESPONSEPROPERTY_REDIRECTURL:
-      if (IsRedirect(status_code_))
-        return StringVar::StringToPPVar(redirect_url_);
-      break;
-    case PP_URLRESPONSEPROPERTY_REDIRECTMETHOD:
-      if (IsRedirect(status_code_))
-        return StringVar::StringToPPVar(status_text_);
-      break;
-    case PP_URLRESPONSEPROPERTY_STATUSCODE:
-      return PP_MakeInt32(status_code_);
-    case PP_URLRESPONSEPROPERTY_STATUSLINE:
-      return StringVar::StringToPPVar(status_text_);
-    case PP_URLRESPONSEPROPERTY_HEADERS:
-      return StringVar::StringToPPVar(headers_);
-  }
-  // The default is to return an undefined PP_Var.
-  return PP_MakeUndefined();
-}
-
-PP_Resource PPB_URLResponseInfo_Impl::GetBodyAsFileRef() {
-  if (!body_.get())
-    return 0;
-  return body_->GetReference();
-}
-
-}  // namespace ppapi
-}  // namespace webkit