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// Copyright (c) 2017 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 <stddef.h>
#include <stdint.h>
#include <memory>
#include <string>
#include "base/macros.h"
#include "base/optional.h"
#include "content/browser/appcache/appcache_update_job.h"
#include "net/base/io_buffer.h"
#include "net/http/http_request_headers.h"
#include "net/http/http_response_headers.h"
#include "net/http/http_response_info.h"
#include "url/gurl.h"
#include "url/origin.h"
namespace content {
class AppCacheUpdateJob::UpdateRequestBase {
virtual ~UpdateRequestBase();
// Creates an instance of the AppCacheUpdateRequestBase subclass.
static std::unique_ptr<UpdateRequestBase> Create(
AppCacheServiceImpl* appcache_service,
const GURL& url,
int buffer_size,
URLFetcher* fetcher);
// This method is called to start the request.
virtual void Start() = 0;
// Sets all extra request headers. Any extra request headers set by other
// methods are overwritten by this method. This method may only be called
// before Start() is called. It is an error to call it later.
virtual void SetExtraRequestHeaders(
const net::HttpRequestHeaders& headers) = 0;
// Returns the request URL.
virtual GURL GetURL() const = 0;
// Sets flags which control the request load. e.g. if it can be loaded
// from cache, etc.
virtual void SetLoadFlags(int flags) = 0;
// Gets the load flags on the request.
virtual int GetLoadFlags() const = 0;
// Get the mime type. This method may only be called after the response was
// started.
virtual std::string GetMimeType() const = 0;
// Cookie policy.
virtual void SetSiteForCookies(const GURL& site_for_cookies) = 0;
// Sets the origin of the context which initiated the request.
virtual void SetInitiator(const base::Optional<url::Origin>& initiator) = 0;
// Get all response headers, as a HttpResponseHeaders object. See comments
// in HttpResponseHeaders class as to the format of the data.
virtual net::HttpResponseHeaders* GetResponseHeaders() const = 0;
// Returns the HTTP response code (e.g., 200, 404, and so on). This method
// may only be called once the delegate's OnResponseStarted method has been
// called. For non-HTTP requests, this method returns -1.
virtual int GetResponseCode() const = 0;
// Get the HTTP response info in its entirety.
virtual const net::HttpResponseInfo& GetResponseInfo() const = 0;
// Initiates an asynchronous read. Multiple concurrent reads are not
// supported.
virtual void Read() = 0;
// This method may be called at any time after Start() has been called to
// cancel the request.
// Returns net::ERR_ABORTED or any applicable net error.
virtual int Cancel() = 0;
// Returns the traffic annotation information to be used for the outgoing
// request.
static net::NetworkTrafficAnnotationTag GetTrafficAnnotation();
} // namespace content