remoting/host/chromeos/message_box.h

   1 // Copyright 2014 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_CHROMEOS_MESSAGE_BOX_H_
   6 #define REMOTING_HOST_CHROMEOS_MESSAGE_BOX_H_
   7
   8 #include "base/callback_helpers.h"
   9 #include "base/strings/string16.h"
  10 #include "base/threading/thread_checker.h"
  11
  12 namespace remoting {
  13
  14 // Overview:
  15 // Shows a system modal message box with OK and cancel buttons. This class
  16 // is not thread-safe, it must be called on the UI thread of the browser
  17 // process.
  18 class MessageBox {
  19  public:
  20   enum Result {
  21     OK,
  22     CANCEL
  23   };
  24
  25   // ResultCallback will be invoked with Result::Cancel if the user closes the
  26   // MessageBox without clicking on any buttons.
  27   typedef base::Callback<void(Result)> ResultCallback;
  28
  29   MessageBox(const base::string16& title_label,
  30              const base::string16& message_label,
  31              const base::string16& ok_label,
  32              const base::string16& cancel_label,
  33              ResultCallback result_callback);
  34   ~MessageBox();
  35
  36   void Show();
  37   void Hide();
  38
  39  private:
  40   class Core;
  41   Core* core_;
  42   base::ThreadChecker thread_checker_;
  43
  44   DISALLOW_COPY_AND_ASSIGN(MessageBox);
  45 };
  46
  47 }  // namespace remoting
  48
  49 #endif  // REMOTING_HOST_CHROMEOS_MESSAGE_BOX_H_