Refactor the URLResponseInfo to use new design

ppapi/proxy/url_response_info_resource.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 "ppapi/proxy/url_response_info_resource.h"
+
+#include "ppapi/proxy/ppb_file_ref_proxy.h"
+#include "ppapi/shared_impl/var.h"
+#include "ppapi/thunk/enter.h"
+#include "ppapi/thunk/resource_creation_api.h"
+
+namespace ppapi {
+namespace proxy {
+
+namespace {
+
+bool IsRedirect(int32_t status) {
+  return status >= 300 && status <= 399;
+}
+
+}  // namespace
+
+URLResponseInfoResource::URLResponseInfoResource(
+    Connection connection,
+    PP_Instance instance,
+    const URLResponseInfoData& data,
+    PP_Resource file_ref_resource)
+    : PluginResource(connection, instance),
+      data_(data),
+      body_as_file_ref_(ScopedPPResource::PassRef(), file_ref_resource) {
+}
+
+URLResponseInfoResource::~URLResponseInfoResource() {
+}
+
+thunk::PPB_URLResponseInfo_API*
+URLResponseInfoResource::AsPPB_URLResponseInfo_API() {
+  return this;
+}
+
+PP_Var URLResponseInfoResource::GetProperty(PP_URLResponseProperty property) {
+  switch (property) {
+    case PP_URLRESPONSEPROPERTY_URL:
+      return StringVar::StringToPPVar(data_.url);
+    case PP_URLRESPONSEPROPERTY_REDIRECTURL:
+      if (IsRedirect(data_.status_code))
+        return StringVar::StringToPPVar(data_.redirect_url);
+      break;
+    case PP_URLRESPONSEPROPERTY_REDIRECTMETHOD:
+      if (IsRedirect(data_.status_code))
+        return StringVar::StringToPPVar(data_.status_text);
+      break;
+    case PP_URLRESPONSEPROPERTY_STATUSCODE:
+      return PP_MakeInt32(data_.status_code);
+    case PP_URLRESPONSEPROPERTY_STATUSLINE:
+      return StringVar::StringToPPVar(data_.status_text);
+    case PP_URLRESPONSEPROPERTY_HEADERS:
+      return StringVar::StringToPPVar(data_.headers);
+  }
+  // The default is to return an undefined PP_Var.
+  return PP_MakeUndefined();
+}
+
+PP_Resource URLResponseInfoResource::GetBodyAsFileRef() {
+  if (!body_as_file_ref_.get())
+    return 0;
+  PpapiGlobals::Get()->GetResourceTracker()->AddRefResource(
+      body_as_file_ref_.get());
+  return body_as_file_ref_.get();
+}
+
+URLResponseInfoData URLResponseInfoResource::GetData() {
+  // One ref is passed to the caller if there's a file ref.
+  if (body_as_file_ref_.get()) {
+    PpapiGlobals::Get()->GetResourceTracker()->AddRefResource(
+        body_as_file_ref_.get());
+  }
+  return data_;
+}
+
+}  // namespace proxy
+}  // namespace ppapi