Cloning a bunch of stuff from the native_client repository at r6528

ppapi/native_client/tests/ppapi_geturl/url_load_request.h

+// Copyright (c) 2011 The Native Client Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+#ifndef TESTS_PPAPI_GETURL_URL_LOAD_REQUEST_H_
+#define TESTS_PPAPI_GETURL_URL_LOAD_REQUEST_H_
+
+#include <string>
+#include <vector>
+
+#include "ppapi/c/ppb_file_io.h"
+#include "ppapi/c/ppb_file_ref.h"
+#include "ppapi/c/ppb_url_loader.h"
+#include "ppapi/c/ppb_url_request_info.h"
+#include "ppapi/c/ppb_url_response_info.h"
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/c/pp_resource.h"
+#include "ppapi/c/pp_stdint.h"
+#if __native_client__
+// TODO(polina): add file_io_nacl include
+#else
+#include "ppapi/c/trusted/ppb_file_io_trusted.h"
+#endif
+
+
+class UrlLoadRequest {
+ public:
+  explicit UrlLoadRequest(PP_Instance instance);
+  ~UrlLoadRequest();
+  bool Load(bool stream_as_file, std::string url);
+
+  void OpenCallback(int32_t pp_error);
+  // Loading/reading via response includes the following asynchronous steps:
+  // 1) URLLoader::Open
+  // 2) URLLoader::ReadResponseBody (in a loop until EOF)
+  void ReadResponseBodyCallback(int32_t pp_error_or_bytes);
+  // Loading/reading via file includes the following asynchronous steps:
+  // 1) URLLoader::Open
+  // 2) URLLoader::FinishStreamingToFile
+  // 3) FileIO::Open
+  // 4) FileIO::Read (in a loop until EOF)
+  void FinishStreamingToFileCallback(int32_t pp_error);
+  void OpenFileBodyCallback(int32_t pp_error);
+  void ReadFileBodyCallback(int32_t pp_error_or_bytes);
+
+  void set_delete_this_after_report() { delete_this_after_report = true; }
+
+ private:
+  bool GetRequiredInterfaces(std::string* error);
+  void Clear();
+
+  void ReadResponseBody();
+  void ReadFileBody();
+
+  bool ReportSuccess();
+  bool ReportFailure(const std::string& error);
+  bool ReportFailure(const std::string& message, int32_t pp_error);
+
+  bool delete_this_after_report;
+
+  std::string url_;
+  bool as_file_;
+
+  PP_Instance instance_;
+  PP_Resource request_;
+  PP_Resource loader_;
+  PP_Resource response_;
+  PP_Resource fileio_;
+
+  const PPB_URLRequestInfo* request_interface_;
+  const PPB_URLResponseInfo* response_interface_;
+  const PPB_URLLoader* loader_interface_;
+  const PPB_FileIO* fileio_interface_;
+
+  char buffer_[1024];
+  std::string url_body_;
+  int32_t read_offset_;
+};
+
+#endif  // TESTS_PPAPI_GETURL_URL_LOAD_REQUEST_H_