Check for specific PPB interface versions in C++ wrappers.

ppapi/cpp/url_loader.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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/cpp/url_loader.h"
 
 #include "ppapi/c/ppb_url_loader.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/cpp/completion_callback.h"
 #include "ppapi/cpp/file_ref.h"
 #include "ppapi/cpp/instance_handle.h"
 #include "ppapi/cpp/module.h"
 #include "ppapi/cpp/module_impl.h"
 #include "ppapi/cpp/url_request_info.h"
 #include "ppapi/cpp/url_response_info.h"
 
 namespace pp {
 
 namespace {
 
-template <> const char* interface_name<PPB_URLLoader>() {
-  return PPB_URLLOADER_INTERFACE;
+template <> const char* interface_name<PPB_URLLoader_1_0>() {
+  return PPB_URLLOADER_INTERFACE_1_0;
 }
 
 }  // namespace
 
 URLLoader::URLLoader(PP_Resource resource) : Resource(resource) {
 }
 
 URLLoader::URLLoader(const InstanceHandle& instance) {
-  if (!has_interface<PPB_URLLoader>())
+  if (!has_interface<PPB_URLLoader_1_0>())
     return;
-  PassRefFromConstructor(get_interface<PPB_URLLoader>()->Create(
+  PassRefFromConstructor(get_interface<PPB_URLLoader_1_0>()->Create(
       instance.pp_instance()));
 }
 
 URLLoader::URLLoader(const URLLoader& other) : Resource(other) {
 }
 
 int32_t URLLoader::Open(const URLRequestInfo& request_info,
                         const CompletionCallback& cc) {
-  if (!has_interface<PPB_URLLoader>())
+  if (!has_interface<PPB_URLLoader_1_0>())
     return cc.MayForce(PP_ERROR_NOINTERFACE);
-  return get_interface<PPB_URLLoader>()->Open(pp_resource(),
+  return get_interface<PPB_URLLoader_1_0>()->Open(pp_resource(),
                                               request_info.pp_resource(),
                                               cc.pp_completion_callback());
 }
 
 int32_t URLLoader::FollowRedirect(const CompletionCallback& cc) {
-  if (!has_interface<PPB_URLLoader>())
+  if (!has_interface<PPB_URLLoader_1_0>())
     return cc.MayForce(PP_ERROR_NOINTERFACE);
-  return get_interface<PPB_URLLoader>()->FollowRedirect(
+  return get_interface<PPB_URLLoader_1_0>()->FollowRedirect(
       pp_resource(), cc.pp_completion_callback());
 }
 
 bool URLLoader::GetUploadProgress(int64_t* bytes_sent,
                                   int64_t* total_bytes_to_be_sent) const {
-  if (!has_interface<PPB_URLLoader>())
+  if (!has_interface<PPB_URLLoader_1_0>())
     return false;
-  return PP_ToBool(get_interface<PPB_URLLoader>()->GetUploadProgress(
+  return PP_ToBool(get_interface<PPB_URLLoader_1_0>()->GetUploadProgress(
       pp_resource(), bytes_sent, total_bytes_to_be_sent));
 }
 
 bool URLLoader::GetDownloadProgress(
     int64_t* bytes_received,
     int64_t* total_bytes_to_be_received) const {
-  if (!has_interface<PPB_URLLoader>())
+  if (!has_interface<PPB_URLLoader_1_0>())
     return false;
-  return PP_ToBool(get_interface<PPB_URLLoader>()->GetDownloadProgress(
+  return PP_ToBool(get_interface<PPB_URLLoader_1_0>()->GetDownloadProgress(
       pp_resource(), bytes_received, total_bytes_to_be_received));
 }
 
 URLResponseInfo URLLoader::GetResponseInfo() const {
-  if (!has_interface<PPB_URLLoader>())
+  if (!has_interface<PPB_URLLoader_1_0>())
     return URLResponseInfo();
   return URLResponseInfo(PASS_REF,
-                         get_interface<PPB_URLLoader>()->GetResponseInfo(
+                         get_interface<PPB_URLLoader_1_0>()->GetResponseInfo(
                              pp_resource()));
 }
 
 int32_t URLLoader::ReadResponseBody(void* buffer,
                                     int32_t bytes_to_read,
                                     const CompletionCallback& cc) {
-  if (!has_interface<PPB_URLLoader>())
+  if (!has_interface<PPB_URLLoader_1_0>())
     return cc.MayForce(PP_ERROR_NOINTERFACE);
-  return get_interface<PPB_URLLoader>()->ReadResponseBody(
+  return get_interface<PPB_URLLoader_1_0>()->ReadResponseBody(
       pp_resource(), buffer, bytes_to_read, cc.pp_completion_callback());
 }
 
 int32_t URLLoader::FinishStreamingToFile(const CompletionCallback& cc) {
-  if (!has_interface<PPB_URLLoader>())
+  if (!has_interface<PPB_URLLoader_1_0>())
     return cc.MayForce(PP_ERROR_NOINTERFACE);
-  return get_interface<PPB_URLLoader>()->FinishStreamingToFile(
+  return get_interface<PPB_URLLoader_1_0>()->FinishStreamingToFile(
       pp_resource(), cc.pp_completion_callback());
 }
 
 void URLLoader::Close() {
-  if (!has_interface<PPB_URLLoader>())
+  if (!has_interface<PPB_URLLoader_1_0>())
     return;
-  get_interface<PPB_URLLoader>()->Close(pp_resource());
+  get_interface<PPB_URLLoader_1_0>()->Close(pp_resource());
 }
 
 }  // namespace pp