components/about_handler/url_request_about_job.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 // Simple implementation of about: protocol handler that treats everything as
   6 // about:blank.  No other about: features should be available to web content,
   7 // so they're not implemented here.
   8
   9 #include "components/about_handler/url_request_about_job.h"
  10
  11 #include "base/bind.h"
  12 #include "base/compiler_specific.h"
  13 #include "base/location.h"
  14 #include "base/single_thread_task_runner.h"
  15 #include "base/thread_task_runner_handle.h"
  16
  17 namespace about_handler {
  18
  19 URLRequestAboutJob::URLRequestAboutJob(net::URLRequest* request,
  20                                        net::NetworkDelegate* network_delegate)
  21     : URLRequestJob(request, network_delegate),
  22       weak_factory_(this) {
  23 }
  24
  25 void URLRequestAboutJob::Start() {
  26   // Start reading asynchronously so that all error reporting and data
  27   // callbacks happen as they would for network requests.
  28   base::ThreadTaskRunnerHandle::Get()->PostTask(
  29       FROM_HERE,
  30       base::Bind(&URLRequestAboutJob::StartAsync, weak_factory_.GetWeakPtr()));
  31 }
  32
  33 bool URLRequestAboutJob::GetMimeType(std::string* mime_type) const {
  34   *mime_type = "text/html";
  35   return true;
  36 }
  37
  38 URLRequestAboutJob::~URLRequestAboutJob() {
  39 }
  40
  41 void URLRequestAboutJob::StartAsync() {
  42   NotifyHeadersComplete();
  43 }
  44
  45 }  // namespace about_handler