remoting/host/setup/win/auth_code_getter.h

   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 #ifndef REMOTING_HOST_SETUP_WIN_AUTH_CODE_GETTER_H
   6 #define REMOTING_HOST_SETUP_WIN_AUTH_CODE_GETTER_H
   7
   8 #include <ole2.h>
   9 #include <exdisp.h>
  10
  11 #include <string>
  12
  13 #include "base/callback.h"
  14 #include "base/threading/non_thread_safe.h"
  15 #include "base/timer/timer.h"
  16 #include "base/win/scoped_comptr.h"
  17
  18 namespace remoting {
  19
  20 // A class for getting an OAuth authorization code.
  21 class AuthCodeGetter : public base::NonThreadSafe {
  22  public:
  23   AuthCodeGetter();
  24   ~AuthCodeGetter();
  25
  26   // Starts a browser and navigates it to a URL that starts an Installed
  27   // Application OAuth flow. |on_auth_code| will be called with an
  28   // authorization code, or an empty string on error.
  29   void GetAuthCode(base::Callback<void(const std::string&)> on_auth_code);
  30
  31  private:
  32   // Starts a timer used to poll the browser's URL.
  33   void StartTimer();
  34   // Called when that timer fires.
  35   void OnTimer();
  36   // Returns whether to stop polling the browser's URL. If true, then
  37   // |auth_code| is an authorization code, or the empty string on an error.
  38   bool TestBrowserUrl(std::string* auth_code);
  39   // Kills the browser.
  40   void KillBrowser();
  41
  42   // The authorization code callback.
  43   base::Callback<void(const std::string&)> on_auth_code_;
  44   // The browser through which the user requests an authorization code.
  45   base::win::ScopedComPtr<IWebBrowser2, &IID_IWebBrowser2> browser_;
  46   // A timer used to poll the browser's URL.
  47   base::OneShotTimer<AuthCodeGetter> timer_;
  48   // The interval at which the timer fires.
  49   base::TimeDelta timer_interval_;
  50
  51   DISALLOW_COPY_AND_ASSIGN(AuthCodeGetter);
  52 };
  53
  54 }  // namespace remoting
  55
  56 #endif  // REMOTING_HOST_SETUP_WIN_AUTH_CODE_GETTER_H