remoting/test/remote_host_info_fetcher.h

   1 // Copyright 2015 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 #ifndef REMOTING_TEST_REMOTE_HOST_INFO_FETCHER_H_
   6 #define REMOTING_TEST_REMOTE_HOST_INFO_FETCHER_H_
   7
   8 #include <string>
   9
  10 #include "base/callback.h"
  11 #include "base/memory/ref_counted.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "net/url_request/url_fetcher_delegate.h"
  14 #include "remoting/test/app_remoting_service_urls.h"
  15 #include "remoting/test/remote_host_info.h"
  16
  17 namespace net {
  18 class UrlFetcher;
  19 }
  20 namespace remoting {
  21 class URLRequestContextGetter;
  22 }
  23
  24 namespace remoting {
  25 namespace test {
  26
  27 // Supplied by the client for each remote host info request and returns a valid,
  28 // initialized RemoteHostInfo object on success.
  29 typedef base::Callback<void(const RemoteHostInfo& remote_host_info)>
  30     RemoteHostInfoCallback;
  31
  32 // Calls the App Remoting service API to request connection info for a remote
  33 // host.  Destroying the RemoteHostInfoFetcher while a request is outstanding
  34 // will cancel the request. It is safe to delete the fetcher from within a
  35 // completion callback.  Must be used from a thread running an IO message loop.
  36 // The public method is virtual to allow for mocking and fakes.
  37 class RemoteHostInfoFetcher : public net::URLFetcherDelegate {
  38  public:
  39   RemoteHostInfoFetcher();
  40   ~RemoteHostInfoFetcher() override;
  41
  42   // Makes a service call to retrieve the details for a remote host.  The
  43   // callback will be called once the HTTP request has completed.
  44   virtual bool RetrieveRemoteHostInfo(const std::string& application_id,
  45                                       const std::string& access_token,
  46                                       ServiceEnvironment service_environment,
  47                                       const RemoteHostInfoCallback& callback);
  48
  49  private:
  50   // net::URLFetcherDelegate interface.
  51   void OnURLFetchComplete(const net::URLFetcher* source) override;
  52
  53   // Holds the URLFetcher for the RemoteHostInfo request.
  54   scoped_ptr<net::URLFetcher> request_;
  55
  56   // Provides application-specific context for the network request.
  57   scoped_refptr<remoting::URLRequestContextGetter> request_context_getter_;
  58
  59   // Caller-supplied callback used to return remote host info on success.
  60   RemoteHostInfoCallback remote_host_info_callback_;
  61
  62   DISALLOW_COPY_AND_ASSIGN(RemoteHostInfoFetcher);
  63 };
  64
  65 }  // namespace test
  66 }  // namespace remoting
  67
  68 #endif  // REMOTING_TEST_REMOTE_HOST_INFO_FETCHER_H_