Obliterate legacy cronet API. All of its users have been migrated.

components/cronet/android/url_request_adapter.h

-// Copyright 2014 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.
-
-#ifndef COMPONENTS_CRONET_ANDROID_URL_REQUEST_ADAPTER_H_
-#define COMPONENTS_CRONET_ANDROID_URL_REQUEST_ADAPTER_H_
-
-#include <jni.h>
-#include <stdint.h>
-
-#include <memory>
-#include <string>
-
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "net/base/chunked_upload_data_stream.h"
-#include "net/base/request_priority.h"
-#include "net/http/http_request_headers.h"
-#include "net/url_request/url_request.h"
-
-namespace net {
-class HttpResponseHeaders;
-class IOBufferWithSize;
-class UploadDataStream;
-struct RedirectInfo;
-}  // namespace net
-
-namespace cronet {
-
-class URLRequestContextAdapter;
-
-// An adapter from the JNI |UrlRequest| object and the Chromium |URLRequest|
-// object.
-class URLRequestAdapter : public net::URLRequest::Delegate {
- public:
-  // The delegate which is called when the request finishes.
-  class URLRequestAdapterDelegate
-      : public base::RefCountedThreadSafe<URLRequestAdapterDelegate> {
-   public:
-    virtual void OnResponseStarted(URLRequestAdapter* request) = 0;
-    virtual void OnBytesRead(URLRequestAdapter* request, int bytes_read) = 0;
-    virtual void OnRequestFinished(URLRequestAdapter* request) = 0;
-    virtual int ReadFromUploadChannel(net::IOBuffer* buf, int buf_length) = 0;
-
-   protected:
-    friend class base::RefCountedThreadSafe<URLRequestAdapterDelegate>;
-    virtual ~URLRequestAdapterDelegate() {}
-  };
-
-  URLRequestAdapter(URLRequestContextAdapter* context,
-                    URLRequestAdapterDelegate* delegate,
-                    GURL url,
-                    net::RequestPriority priority);
-  ~URLRequestAdapter() override;
-
-  // Sets the request method GET, POST etc
-  void SetMethod(const std::string& method);
-
-  // Adds a header to the request
-  void AddHeader(const std::string& name, const std::string& value);
-
-  // Sets the contents of the POST or PUT request
-  void SetUploadContent(const char* bytes, int bytes_len);
-
-  // Sets the request to streaming upload.
-  void SetUploadChannel(JNIEnv* env, int64_t content_length);
-
-  // Disables redirect. Note that redirect is enabled by default.
-  void DisableRedirects();
-
-  // Indicates that the request body will be streamed by calling AppendChunk()
-  // repeatedly. This must be called before Start().
-  void EnableChunkedUpload();
-
-  // Appends a chunk to the POST body.
-  // This must be called after EnableChunkedUpload() and Start().
-  void AppendChunk(const char* bytes, int bytes_len, bool is_last_chunk);
-
-  // Starts the request.
-  void Start();
-
-  // Cancels the request.
-  void Cancel();
-
-  // Releases all resources for the request and deletes the object itself.
-  void Destroy();
-
-  // Returns the URL of the request.
-  GURL url() const { return url_; }
-
-  // Returns the error code after the request is complete.
-  // Negative codes indicate system errors.
-  int error_code() const { return error_code_; }
-
-  // Returns the HTTP status code.
-  int http_status_code() const {
-    return http_status_code_;
-  };
-
-  // Returns the HTTP status text of the normalized status line.
-  const std::string& http_status_text() const {
-    return http_status_text_;
-  }
-
-  // Returns the value of the content-length response header.
-  int64_t content_length() const { return expected_size_; }
-
-  // Returns the value of the content-type response header.
-  std::string content_type() const { return content_type_; }
-
-  // Returns the value of the specified response header.
-  std::string GetHeader(const std::string& name) const;
-
-  // Get all response headers, as a HttpResponseHeaders object.
-  net::HttpResponseHeaders* GetResponseHeaders() const;
-
-  // Returns a pointer to the downloaded data.
-  unsigned char* Data() const;
-
-  // Get NPN or ALPN Negotiated Protocol (if any) from HttpResponseInfo.
-  std::string GetNegotiatedProtocol() const;
-
-  // Returns whether the response is serviced from cache.
-  bool GetWasCached() const;
-
-  // net::URLRequest::Delegate implementation:
-  void OnResponseStarted(net::URLRequest* request, int net_error) override;
-  void OnReadCompleted(net::URLRequest* request, int bytes_read) override;
-  void OnReceivedRedirect(net::URLRequest* request,
-                          const net::RedirectInfo& redirect_info,
-                          bool* defer_redirect) override;
-
-  bool OnNetworkThread() const;
-
- private:
-  static void OnDestroyRequest(URLRequestAdapter* self);
-
-  void OnInitiateConnection();
-  void OnCancelRequest();
-  void OnRequestSucceeded();
-  void OnRequestFailed(int net_error);
-  void OnRequestCompleted();
-  void OnAppendChunk(const std::unique_ptr<char[]> bytes,
-                     int bytes_len,
-                     bool is_last_chunk);
-
-  void Read();
-
-  // Handles synchronous or asynchronous read result, calls |delegate_| with
-  // bytes read and returns true unless request has succeeded or failed.
-  bool HandleReadResult(int result);
-
-  URLRequestContextAdapter* context_;
-  scoped_refptr<URLRequestAdapterDelegate> delegate_;
-  GURL url_;
-  net::RequestPriority priority_;
-  std::string method_;
-  net::HttpRequestHeaders headers_;
-  std::unique_ptr<net::URLRequest> url_request_;
-  std::unique_ptr<net::UploadDataStream> upload_data_stream_;
-  std::unique_ptr<net::ChunkedUploadDataStream::Writer> chunked_upload_writer_;
-  scoped_refptr<net::IOBufferWithSize> read_buffer_;
-  int total_bytes_read_;
-  int error_code_;
-  int http_status_code_;
-  std::string http_status_text_;
-  std::string content_type_;
-  bool canceled_;
-  int64_t expected_size_;
-  bool chunked_upload_;
-  // Indicates whether redirect has been disabled.
-  bool disable_redirect_;
-
-  DISALLOW_COPY_AND_ASSIGN(URLRequestAdapter);
-};
-
-}  // namespace cronet
-
-#endif  // COMPONENTS_CRONET_ANDROID_URL_REQUEST_ADAPTER_H_